US3116792A - In situ combustion process - Google Patents

In situ combustion process Download PDF

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US3116792A
US3116792A US829925A US82992559A US3116792A US 3116792 A US3116792 A US 3116792A US 829925 A US829925 A US 829925A US 82992559 A US82992559 A US 82992559A US 3116792 A US3116792 A US 3116792A
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Purre Heino
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Phillips Petroleum Co
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/243Combustion in situ

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  • This invention relates to a process for producing hydrocarbons from a carbonaceous stratum by in situ combustion.
  • Frequently reservoirs or strata to be produced by in situ combustion consists of several layers of different permeability With relatively thin impermeable layers of shale separating the permeable layers.
  • individual layers of tar sand deposits vary considerably in permeability. ln some cases the permeability of a layer is so low that it is impractical to produce by conventional in situ combustion procedures.
  • This invention provides a method of producing layers of low permeability lying in a carbonaceous stratum adjacent a layer of relatively high permeability and separated therefrom by an impervious layer.
  • an object of the invention to provide an improved process for producing a carbonaceous stratum composed of a plurality of layers of different permeabilities by in situ combustion. Another object is to provide an in situ combustion process for producing a series of permeable layers of different permeabilities in a carbonaceous stratum in which the layers are separated by impervious strata whereby the layers are produced in succession. A further object is to provide an in situ combustion process which utilizes the heat produced in one layer of a stratum for partially producing an adjacent second layer and conditioning said second layer for in situ combustion.
  • a broad aspect of the invention comprises producing a layer of relatively high permeability in a carbonaceous stratum by in situ combustion so as to heat an adjacent carbonaceous layer of lower permeability and lower the viscosity of hydrocarbons in the latter; producing the thus heated layer by gas drive so as to flush fluid hydrocarbons therefrom; and thereafter producing the remaining hydrocarbon in said layer by in situ combustion.
  • the layer of high permeability is preferred to produce the layer of high permeability by inverse air injection to a combustion zone around a production borehole therein from one or more air injection boreholes, whereby a combustion front is caused to pass thru the layer countercurrently to the flow of air toward the production borehole.
  • the inverse injection in situ combustion process always leaves a carbonaceous residue in the stratum and this can be readily produced by continuing the injection of air thru the injection borehole, after arrival of the front, so that the combustion front is driven back thru the stratum by direct air drive.
  • the adjacent layer or layers are heated several hundred degrees by the in situ combustion of the highly permeable layer and hydrocarbons can be readily produced therefrom by gas drive such as pressuring with air thru an injection borehole and recovering hydrocarbons flushed out by the passage or air thru the stratum to a production borehole.
  • gas drive such as pressuring with air thru an injection borehole and recovering hydrocarbons flushed out by the passage or air thru the stratum to a production borehole.
  • the gas drive phase of the process may be initiated at any time after the first burn thru.
  • in situ combustion or the remaining hydrocarbons in the flushed layer is effected either by direct or inverse air drive, depending upon the character of the resulting layer as to permeability and hydrocarbon content. In most instances it will be preferable to produce this partially produced layer by inverse air injection followed by direct air drive to completely denude the layer. After producing the second layer, the next adjacent layer is ready for production by fluid drive and then by in situ combustion.
  • the flow of air may be reversed so as to move the combustion zone thru the hot stratum inversely to the flow of air.
  • ignition may be eliected by conventional methods, such as heating the stratum around an injection or production Well while passing combustion-supporting gas (air alone or admixed with a small concentration of fuel as) to the heated area.
  • FIGURE 1 is an elevation in partial section of an arrangement of apparatus in boreholes in a carbonaceous stratum for effecting one embodiment of the invention
  • FIGURE 2 is a plan of a 5-spot pattern
  • FIGURE 3 is a plan of an in-line Well pattern.
  • layers of a carbonaceous stratum lb, 12, 1d, and 16 are separated by impermeable shale layers l8, l9, and These layers are penetrated by borehole 21 which is provided with a casing 22.
  • Packers 24, 2-5, 26, and 2'7 pack off sections of easing opposite the different layers to be produced.
  • Well tubings 3h, 31, 32 and 33 communicate with the various packed off sections in order from top to bottom within the easing.
  • Casing 22 is perforated in the different packed off sections thru perforations 36.
  • Production tubing l2 extends thru the well head to a lower level of borehole
  • the arrangement of boreholes represents two different types of borehole spacing and production.
  • borehole 3a is a central well of a 5, 7, or 9-spot well pattern wherein it is surrounded by a ring of injection boreholes 21 in conventional manner.
  • the drawing also represents a line drive process wherein borehole 33 is one of a series of in-line ignition (and production) boreholes flanked on each side by a line of injection boreholes 21 parallel, or generally so, with respect to the line of production boreholes, so that a combustion zone established around each borehole 33 is advanced radially outwardly in opposite directions toward both lines of injection boreholes.
  • the latter arrangement is shown in FY URE 3.
  • a tire is initiated in a carbonaceous layer by conventional means around borehole 33 and air is passed thru the stratum from the injection borehole so as to feed the combustion zone and cause the same to move to the injection borehole.
  • air is passed thru the stratum from the injection borehole so as to feed the combustion zone and cause the same to move to the injection borehole.
  • direct air drive is utilized initially, the injection of air takes place thru borehole 3S and the other borehole serves as a production borehole.
  • combustion is initiated in layer 1 3 within borehole 33 by heating the stratum at layer It) adjacent the borehole to combustion supporting temperature by means of an electric heater, a gas fired heater, a mass of burning fuel in the borehole adjacent layer lltl, or by other means, and feedin" air or other (D -containing combustion-supporting gas, such as oxygen enriched air, pure oxygen, or diluted air so as to initiate the combustion of in-place hydrocarbons in layer it).
  • air or other (D -containing combustion-supporting gas such as oxygen enriched air, pure oxygen, or diluted air
  • layers 12 and M are heated several hundred degrees depending upon the thickness of layer it and the character of the hydrocarbon or other carbonaceous deposit therein.
  • This heating lluidizes and renders less viscous the hydrocarbon material within these layers so that it is feasible to drive fluidized hydrocarbons therefrom by injecting a gas such as air, natural gas, pro-- pane (or other natural gas constituents), or any other in-- crt gas under the conditions of operation thru tubing 31 and tubing 33, whereby fluid hydrocarbons are driven into borehole 38 from which they are recovered thru tubing 42 in conventional manner.
  • the driving out of fluid bydrocarbons from layers 12 and 14 increases the permeability thereof so that they are readily amenable to production by in situ combustion and are so produced either by direct or inverse drive, preferably the latter, as de-- scribed in connection with the production of layer it.
  • layer 16 is substantially heated and is ready for partial production by gas drive after which it is produced by in situ combustion in similar manner to the in situ combustion production of the other layers.
  • the permeable burned-out stratum first produced is plugged or packed off after production thereof is completed to avoid passing injected gases into this stratum during the production of adjacent strata.
  • a process for producing hydrocarbons from a plurality of readily combusti le underground oil-bearing layers ranging from relatively high to relatively low natural ermeability, wherein each pair of adjacent layers is separated by a relatively thin impermeable la er which comprises separately producing a layer of high permeability by igniting a section thereof around a well therein, feeding O -containing combustion-supporting gas to the ignited zone, and continuing the injection of said gas so as to move said zone to another well therein, whereby at least one adjacent less permeable layer is heated so as to reduce the viscosity of hydrocarbons therein; thereafter, while said adjacent layer is hot, producing same by gas drive including injecting a relatively inert non-hydrocarbon gas continuously through one of said wells into 3; id less permeable layer and producing gas and hydrocarbons through the other Well, thereby increasing the permeability thereof; and producing last said layer by in situ combustion including igniting last layer around one of said wells and injecting combustion-supporting gas into the
  • separately producing said layer of high permeability comprises additionally driving a combustion front back thru said layer from said injection well to said production well in a second burning phase before producing the adjacent layer by in situ combustion.
  • separately producing said layer of high permeability comprises passing a combustion front thru said layer of high permeability from a production well to an injection well by inverse drive and then back to said production well by direct drive, and production oat said adjacent layer by gas drive is initiated before the end of the in situ combustion in first said layer.
  • separately producing said layer of high permeability comprises igniting same around a production well therein and passing air thru said layer to the resulting combustion zone from a ring of injection wells around said production well so as to move said zone to the injection wells.
  • separately producing said layer of high permeability comprises igniting same around a series of in-line production wells therethru and passing air to the resulting combustion zones from two lines of injection wells, one on each side of the line of production wells, so as to move the combustion zones to said injection Wells.
  • a process for producing hydrocarbons from a plurality of readily combustible underground oil-bearing layers ranging from relatively high to relatively low natural permeability, wherein each pair of adjacent layers is separated by a relatively thin impermeable layer which comprises separately producing a layer of high permeability by igniting a section thereof around a first well therein, feeding o -containing combustion-supporting gas to the ignited zone, and continuing the injection of said gas so as to move said zone to a second Well therein, whereby at least one adjacent less permeable layer is heated to combustion supporting temperature so as to reduce the viscosity of hydrocarbons therein; thereafter, while said adjacent layer is at said temperature continuously injecting o -containing, combustion-supporting gas into same thru one of said wells at combustion supporting temperature within said adjacent layer so as to burn a portion of the hydrocarbons therein and produce a remaining portion thru the other well; and recovering the produced hydrocarbons.

Description

Jan. 7, 1964 H. PURRE IN SITU COMBUSTION PROCESS Filed July 27, 1959 FIG.|
HEINO PURRE INVENT OR.
OVERBURDEN 4A TTORNEYS United States Patent Ofifice 33%,?92 Patented Jan. 7, 11364 3,116,792 EN Sl'llU CQMBUESTHBN PRUCESS Heine Purre, Bmtlesville, Gilda, assignor to Phillips Petroleum Company, a corporation or Delaware Filed .luly 27, 1959, her. No. 829,925 Claims. (Cl. 166-11) This invention relates to a process for producing hydrocarbons from a carbonaceous stratum by in situ combustion.
In situ combustion in the recovery of hydrocarbons from underground strata containing carbonaceous material is becoming more prevalent in the petroleum in dustry. In this technique of production, combustion is initiated in the carbonaceous stratum and the resulting combustion zone is caused to move through the stratum by either inverse or direct air drive whereby the heat of combusion of a substantial proportion of the hydrocarbon in the stratum drives out and, in the inverse drive process, upgrades a substantial proportion of the unburned hydrocarbon material.
The ignition of carbonaceous material in a stratum around a borehole therein, followed by injection of air through the ignition borehole in the stratum, consitiutes a direct air drive process for eii'ecting in situ combustion and recovery of hydrocarbons from the stratum. In this type of operation the stratum frequently plugs in front of the combustion zone because a heavy viscous liquid bank of hydrocarbon collects in the stratum in advance of the combustion zone which prevents movement of air to the combustion process. To overcome this difficulty and to permit the cont nued progress of the combastion zone through the stratum, inverse air injection has been resorted to. By this technique, a combustion zone is established around an ignition borehole by any suitable means and air is fed thru the stratum to the combustion zone from one or more surrounding boreholes.
Frequently reservoirs or strata to be produced by in situ combustion consists of several layers of different permeability With relatively thin impermeable layers of shale separating the permeable layers. Thus, individual layers of tar sand deposits vary considerably in permeability. ln some cases the permeability of a layer is so low that it is impractical to produce by conventional in situ combustion procedures. This invention provides a method of producing layers of low permeability lying in a carbonaceous stratum adjacent a layer of relatively high permeability and separated therefrom by an impervious layer.
it is accordingly an object of the invention to provide an improved process for producing a carbonaceous stratum composed of a plurality of layers of different permeabilities by in situ combustion. Another object is to provide an in situ combustion process for producing a series of permeable layers of different permeabilities in a carbonaceous stratum in which the layers are separated by impervious strata whereby the layers are produced in succession. A further object is to provide an in situ combustion process which utilizes the heat produced in one layer of a stratum for partially producing an adjacent second layer and conditioning said second layer for in situ combustion. Other objects of the invention will become apparent upon consideration of the accompanying disclosure.
A broad aspect of the invention comprises producing a layer of relatively high permeability in a carbonaceous stratum by in situ combustion so as to heat an adjacent carbonaceous layer of lower permeability and lower the viscosity of hydrocarbons in the latter; producing the thus heated layer by gas drive so as to flush fluid hydrocarbons therefrom; and thereafter producing the remaining hydrocarbon in said layer by in situ combustion. It
2 is preferred to produce the layer of high permeability by inverse air injection to a combustion zone around a production borehole therein from one or more air injection boreholes, whereby a combustion front is caused to pass thru the layer countercurrently to the flow of air toward the production borehole. The inverse injection in situ combustion process always leaves a carbonaceous residue in the stratum and this can be readily produced by continuing the injection of air thru the injection borehole, after arrival of the front, so that the combustion front is driven back thru the stratum by direct air drive.
The adjacent layer or layers are heated several hundred degrees by the in situ combustion of the highly permeable layer and hydrocarbons can be readily produced therefrom by gas drive such as pressuring with air thru an injection borehole and recovering hydrocarbons flushed out by the passage or air thru the stratum to a production borehole. In most cases, it is desirable to commence the gas drive phase of the process thru the adjacent layer or layers after the combustion front has moved thru the highly permeable layer and back to the production borehole, since the adjacent layers will be at a higher temperature than after one burn thru. However, the gas drive phase of the process may be initiated at any time after the first burn thru. it is also feasible in a highly permeable layer to drive the combustion front thru the layer by direct drive, if this can be done without blocking the flow of gas as irequenly happens in strata of relatively low permeability and containing hydrocarbon of low gravity. At any rate, the flushing of hydrocarbons from the hot adjacent stratum or layer can be efiected any time after a single burn thru.
After the flushing phase of the process, in situ combustion or the remaining hydrocarbons in the flushed layer is effected either by direct or inverse air drive, depending upon the character of the resulting layer as to permeability and hydrocarbon content. In most instances it will be preferable to produce this partially produced layer by inverse air injection followed by direct air drive to completely denude the layer. After producing the second layer, the next adjacent layer is ready for production by fluid drive and then by in situ combustion.
When utilizing air as the injection and flushing gas in the adjacent hot stratum, ignition of the stratum is effected by many instances because this stratum is at combustion supporting temperatures. When ignition is etfected in this manner, the in situ combustion phase and the flushing phase occur simultaneously. The produced gases (including combustion gases) flush out liquified hydrocarbons from the hot stratum Without danger of plugging by congealing because of the high temperature of the stratum thru which they pass.
After combustion has been initiated around an injection well by injection of air (or other combustion-supporting gas), the flow of air may be reversed so as to move the combustion zone thru the hot stratum inversely to the flow of air.
in instances in which ignition does not automatically take place when injecting air into the heated stratum adjacent the burned-over stratum, ignition may be eliected by conventional methods, such as heating the stratum around an injection or production Well while passing combustion-supporting gas (air alone or admixed with a small concentration of fuel as) to the heated area.
A more complete understanding of the invention may be had by reference to the accompanying schematic drawing of which FIGURE 1 is an elevation in partial section of an arrangement of apparatus in boreholes in a carbonaceous stratum for effecting one embodiment of the invention; FIGURE 2 is a plan of a 5-spot pattern; and FIGURE 3 is a plan of an in-line Well pattern.
Referring to the drawing, layers of a carbonaceous stratum lb, 12, 1d, and 16 (numbered in their order of permeabilities) are separated by impermeable shale layers l8, l9, and These layers are penetrated by borehole 21 which is provided with a casing 22. Packers 24, 2-5, 26, and 2'7 pack off sections of easing opposite the different layers to be produced. Well tubings 3h, 31, 32 and 33 communicate with the various packed off sections in order from top to bottom within the easing. Casing 22 is perforated in the different packed off sections thru perforations 36. A production borehole 3S spaced apart from injection borehole 21 a suitable distance Within the range of or feet to several hundred feet, depending upon the permeability of the most permeable layer lid, is provided with a casing 4-9 extending to the top level of the upper layer 15. Production tubing l2 extends thru the well head to a lower level of borehole The arrangement of boreholes represents two different types of borehole spacing and production. In one type, illustrated in FlGURE 2, borehole 3a; is a central well of a 5, 7, or 9-spot well pattern wherein it is surrounded by a ring of injection boreholes 21 in conventional manner. The drawing also represents a line drive process wherein borehole 33 is one of a series of in-line ignition (and production) boreholes flanked on each side by a line of injection boreholes 21 parallel, or generally so, with respect to the line of production boreholes, so that a combustion zone established around each borehole 33 is advanced radially outwardly in opposite directions toward both lines of injection boreholes. The latter arrangement is shown in FY URE 3.
In either well pattern, a tire is initiated in a carbonaceous layer by conventional means around borehole 33 and air is passed thru the stratum from the injection borehole so as to feed the combustion zone and cause the same to move to the injection borehole. In instances where direct air drive is utilized initially, the injection of air takes place thru borehole 3S and the other borehole serves as a production borehole.
In utilizing the apparatus shown in the drawing, assuming that layer it) is the most highly permeable layer, combustion is initiated in layer 1 3 within borehole 33 by heating the stratum at layer It) adjacent the borehole to combustion supporting temperature by means of an electric heater, a gas fired heater, a mass of burning fuel in the borehole adjacent layer lltl, or by other means, and feedin" air or other (D -containing combustion-supporting gas, such as oxygen enriched air, pure oxygen, or diluted air so as to initiate the combustion of in-place hydrocarbons in layer it). In some instances it is desirable to inject air thru layer 16 from borehole 2]; thru tubing during ignition. It has been found effective to inject a premix of air containing from about 1 to about 3 volume percent of propane or other fuel gas. When in situ combustion is established in layer around borehole 33 injection of air thru tubing 32 (if not already commenced) and thru the layer feeds the combustion zone and causes the same to move thru the layer to the injection well.
When the combustion front arrives at the Wall of borehole 21, continued injection of air causes the combustion front to reverse itself and pass back thru the stratum feeding on the hydrocarbon residue remaining from the first burning phase. in actual field tests it has been found that approximately percent of the iii-place hydrocarbon material is produced during the first burning phase and substantially the same amount is produced during the second burning phase, so as to recover at least about 50 percent of the in-place hydrocarbons. While the description is directed to operation between the production borehole 38 and an injection borehole 21, in actual practice, with a 5, '7, or 9-spot well pattern the combustion zone moves outwardly laterally from borehole 38 to the sev- 4 eral injection boreholes; and, where a line drive process is being utilized, the combustion fronts move outwardly toward the line of injection Wells on either side of the line of production wells thereby burning thru a vast area of layer 1% depending upon the number of wells and the spacing thereof.
During the traversal of layer 19 by the combustion front in both burning phases, layers 12 and M are heated several hundred degrees depending upon the thickness of layer it and the character of the hydrocarbon or other carbonaceous deposit therein. This heating lluidizes and renders less viscous the hydrocarbon material within these layers so that it is feasible to drive fluidized hydrocarbons therefrom by injecting a gas such as air, natural gas, pro-- pane (or other natural gas constituents), or any other in-- crt gas under the conditions of operation thru tubing 31 and tubing 33, whereby fluid hydrocarbons are driven into borehole 38 from which they are recovered thru tubing 42 in conventional manner. The driving out of fluid bydrocarbons from layers 12 and 14 increases the permeability thereof so that they are readily amenable to production by in situ combustion and are so produced either by direct or inverse drive, preferably the latter, as de-- scribed in connection with the production of layer it. After producing layer 14 by in situ combustion, layer 16 is substantially heated and is ready for partial production by gas drive after which it is produced by in situ combustion in similar manner to the in situ combustion production of the other layers.
It is to be understood that the permeable burned-out stratum first produced is plugged or packed off after production thereof is completed to avoid passing injected gases into this stratum during the production of adjacent strata.
This application is a continuation-in-part of my copending application, S.N. 736,151, filed May 19, 1958, now abandoned.
Certain modifications of the invention will become apparent to those skilled in the art and the illustrative details disclosed are not to be construed as imposing unnecessary limitations on the invention.
I claim:
1. A process for producing hydrocarbons from a plurality of readily combusti le underground oil-bearing layers ranging from relatively high to relatively low natural ermeability, wherein each pair of adjacent layers is separated by a relatively thin impermeable la er, which comprises separately producing a layer of high permeability by igniting a section thereof around a well therein, feeding O -containing combustion-supporting gas to the ignited zone, and continuing the injection of said gas so as to move said zone to another well therein, whereby at least one adjacent less permeable layer is heated so as to reduce the viscosity of hydrocarbons therein; thereafter, while said adjacent layer is hot, producing same by gas drive including injecting a relatively inert non-hydrocarbon gas continuously through one of said wells into 3; id less permeable layer and producing gas and hydrocarbons through the other Well, thereby increasing the permeability thereof; and producing last said layer by in situ combustion including igniting last layer around one of said wells and injecting combustion-supporting gas into the ignited area. through one of said wells so as to produce hydrocarbons through the other Well.
2. The process of claim 1 wherein said layer of high permeability is separately produced by inverse air injection so as to drive a combustion front therethru from a production well toward an injection well.
3. The process of claim 2 wherein separately producing said layer of high permeability comprises additionally driving a combustion front back thru said layer from said injection well to said production well in a second burning phase before producing the adjacent layer by in situ combustion.
4. The process of claim 1 wherein separately producing said layer of high permeability comprises passing a combustion front thru said layer of high permeability from a production well to an injection well by inverse drive and then back to said production well by direct drive, and production oat said adjacent layer by gas drive is initiated before the end of the in situ combustion in first said layer.
5. The process of claim 1 wherein separately producing said layer of high permeability comprises igniting same around a production well therein and passing air thru said layer to the resulting combustion zone from a ring of injection wells around said production well so as to move said zone to the injection wells.
6. The process of claim 11 wherein separately producing said layer of high permeability comprises igniting same around a series of in-line production wells therethru and passing air to the resulting combustion zones from two lines of injection wells, one on each side of the line of production wells, so as to move the combustion zones to said injection Wells.
7. A process for producing hydrocarbons from a plurality of readily combustible underground oil-bearing layers ranging from relatively high to relatively low natural permeability, wherein each pair of adjacent layers is separated by a relatively thin impermeable layer, which comprises separately producing a layer of high permeability by igniting a section thereof around a first well therein, feeding o -containing combustion-supporting gas to the ignited zone, and continuing the injection of said gas so as to move said zone to a second Well therein, whereby at least one adjacent less permeable layer is heated to combustion supporting temperature so as to reduce the viscosity of hydrocarbons therein; thereafter, while said adjacent layer is at said temperature continuously injecting o -containing, combustion-supporting gas into same thru one of said wells at combustion supporting temperature within said adjacent layer so as to burn a portion of the hydrocarbons therein and produce a remaining portion thru the other well; and recovering the produced hydrocarbons.
8. The process of claim 7 wherein said adjacent layer at combustion-supporting temperature is ignited around a well therein by air injection thru one of the wells therein and production of hydrocarbons thru the other so as to drive a combustion front thru said adjacent layer.
9. The process of claim 8 wherein ignition of said adjacent layer is effected around a product-ion well and air is injected thru an offset injection well so that the resulting combustion front is advanced thru said hot layer inversely to air flow.
10. The process of claim 8 wherein ignition of said adjacent layer is effected around an injection well and air is injected thru said injection well so that the resulting combustion front is advanced thru sad layer by direct drive toward a production well therein.
References Cited in the file of this patent UNITED STATES PATENTS 2,382,471 Frey Aug. 14, 1945 2,584,605 Merriam et al. Feb. 5, 1952 2,734,579 Elkins Feb. 14, 1956 2,818,117 Koch Dec. 31, 1957 2,877,847 Pelzer et a1 Mar. 17, 1959 2,888,987 Parker June 2, 1959 2,917,112 'I ran-tham Dec. 15, 1959 21,917,296 Prentiss et a1. Dec. 15, 1959

Claims (1)

1. A PROCESS FOR PRODUCING HYDROCARBONS FROM A PLURALITY OF READILY COMBUSTIBLE UNDERGROUND OIL-BEARING LAYERS RANGING FROM RELATIVELY HIGH TO RELATIVELY LOW NATURAL PERMEABILITY, WHEREIN EACH PAIR OF ADJACENT LAYERS IS SEPARATED BY A RELATIVELY THIN IMPERMEABLE LAYER, WHICH COMPRISES SEPARATELY PRODUCING A LAYER OF HIGH PERMEABILITY BY IGNITING A SECTION THEREOF AROUND A WELL THEREIN, FEEDING O2-CONTAINING COMBUSTION-SUPPORTING GAS TO THE IGNITED ZONE, AND CONTINUING THE INJECTION OF SAID GAS SO AS TO MOVE SAID ZONE TO ANOTHER WELL THEREIN, WHEREBY AT LEAST ONE ADJACENT LESS PERMEABLE LAYER IS HEATED SO AS TO REDUCE THE VISCOSITY OF HYDROCARBONS THEREIN; THEREAFTER, WHILE SAID ADJACENT LAYER IS HOT, PRODUCING SAME BY GAS DRIVE INCLUDING INJECTING A RELATIVELY INERT NON-HYDROCARBON GAS CONTINUOUSLY THROUGH ONE OF SAID WELLS INTO SAID LESS PERMEABLE LAYER AND PRODUCING GAS AND HYDROCARBONS THROUGH THE OTHER WELL, THEREBY INCREASING THE PERMEABILITY THEREOF; AND PRODUCING LAST SAID LAYER BY IN SITU CONBUSTION INCLUDING IGNITING LAST LAYER AROUND ONE OF SAID WELLS AND INJECTING COMBUSTION-SUPPORTING GAS INTO THE IGNITED AREAA THROUGH ONE OF SAID WELLS SO AS TO PRODUCE HYDROCARBONS THROUGH THE OTHER WELL.
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Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3167120A (en) * 1961-06-15 1965-01-26 Phillips Petroleum Co Recovery of crude petroleum from plural strata by hot fluid drive
US4059151A (en) * 1975-07-14 1977-11-22 In Situ Technology, Inc. Methods of fluidized production of coal in situ
US4222437A (en) * 1978-05-15 1980-09-16 Karol Sabol Method for in situ gas production from coal seams
US4573531A (en) * 1980-02-21 1986-03-04 Vsesojuznoe Nauchno-Proizvod-Stvennoe Obiedinenie "Sojuzpromgaz" Method of underground gasification of coal seam
US4595057A (en) * 1984-05-18 1986-06-17 Chevron Research Company Parallel string method for multiple string, thermal fluid injection
US5014787A (en) * 1989-08-16 1991-05-14 Chevron Research Company Single well injection and production system
US5131471A (en) * 1989-08-16 1992-07-21 Chevron Research And Technology Company Single well injection and production system
WO2001081239A2 (en) * 2000-04-24 2001-11-01 Shell Internationale Research Maatschappij B.V. In situ recovery from a hydrocarbon containing formation
WO2002086018A2 (en) * 2001-04-24 2002-10-31 Shell Internationale Research Maatschappij B.V. In situ recovery from a oil shale formation
US20030066642A1 (en) * 2000-04-24 2003-04-10 Wellington Scott Lee In situ thermal processing of a coal formation producing a mixture with oxygenated hydrocarbons
US20030079877A1 (en) * 2001-04-24 2003-05-01 Wellington Scott Lee In situ thermal processing of a relatively impermeable formation in a reducing environment
US20030098149A1 (en) * 2001-04-24 2003-05-29 Wellington Scott Lee In situ thermal recovery from a relatively permeable formation using gas to increase mobility
US6588504B2 (en) 2000-04-24 2003-07-08 Shell Oil Company In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids
US20030173082A1 (en) * 2001-10-24 2003-09-18 Vinegar Harold J. In situ thermal processing of a heavy oil diatomite formation
US20030173072A1 (en) * 2001-10-24 2003-09-18 Vinegar Harold J. Forming openings in a hydrocarbon containing formation using magnetic tracking
US20030173081A1 (en) * 2001-10-24 2003-09-18 Vinegar Harold J. In situ thermal processing of an oil reservoir formation
US20030173085A1 (en) * 2001-10-24 2003-09-18 Vinegar Harold J. Upgrading and mining of coal
US20030178191A1 (en) * 2000-04-24 2003-09-25 Maher Kevin Albert In situ recovery from a kerogen and liquid hydrocarbon containing formation
US20030192693A1 (en) * 2001-10-24 2003-10-16 Wellington Scott Lee In situ thermal processing of a hydrocarbon containing formation to produce heated fluids
US20040020642A1 (en) * 2001-10-24 2004-02-05 Vinegar Harold J. In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden
US6698515B2 (en) 2000-04-24 2004-03-02 Shell Oil Company In situ thermal processing of a coal formation using a relatively slow heating rate
US6715546B2 (en) 2000-04-24 2004-04-06 Shell Oil Company In situ production of synthesis gas from a hydrocarbon containing formation through a heat source wellbore
US6715548B2 (en) 2000-04-24 2004-04-06 Shell Oil Company In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids
US20040140095A1 (en) * 2002-10-24 2004-07-22 Vinegar Harold J. Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation
US7066254B2 (en) 2001-04-24 2006-06-27 Shell Oil Company In situ thermal processing of a tar sands formation
US7096953B2 (en) 2000-04-24 2006-08-29 Shell Oil Company In situ thermal processing of a coal formation using a movable heating element
US7121342B2 (en) 2003-04-24 2006-10-17 Shell Oil Company Thermal processes for subsurface formations
US20070045265A1 (en) * 2005-04-22 2007-03-01 Mckinzie Billy J Ii Low temperature barriers with heat interceptor wells for in situ processes
US20070095536A1 (en) * 2005-10-24 2007-05-03 Vinegar Harold J Cogeneration systems and processes for treating hydrocarbon containing formations
US7320364B2 (en) 2004-04-23 2008-01-22 Shell Oil Company Inhibiting reflux in a heated well of an in situ conversion system
US20080017380A1 (en) * 2006-04-21 2008-01-24 Vinegar Harold J Non-ferromagnetic overburden casing
US20080128134A1 (en) * 2006-10-20 2008-06-05 Ramesh Raju Mudunuri Producing drive fluid in situ in tar sands formations
US20090071652A1 (en) * 2007-04-20 2009-03-19 Vinegar Harold J In situ heat treatment from multiple layers of a tar sands formation
US20090189617A1 (en) * 2007-10-19 2009-07-30 David Burns Continuous subsurface heater temperature measurement
US20090260823A1 (en) * 2008-04-18 2009-10-22 Robert George Prince-Wright Mines and tunnels for use in treating subsurface hydrocarbon containing formations
US20100089586A1 (en) * 2008-10-13 2010-04-15 John Andrew Stanecki Movable heaters for treating subsurface hydrocarbon containing formations
US20100108317A1 (en) * 2008-11-03 2010-05-06 Laricina Energy Ltd. Passive Heating Assisted Recovery Methods
US20100139915A1 (en) * 2008-12-04 2010-06-10 Conocophillips Company Producer well plugging for in situ combustion processes
US20100175872A1 (en) * 2009-01-15 2010-07-15 Conocophillips Company In situ combustion as adjacent formation heat source
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US7980312B1 (en) * 2005-06-20 2011-07-19 Hill Gilman A Integrated in situ retorting and refining of oil shale
US8327932B2 (en) 2009-04-10 2012-12-11 Shell Oil Company Recovering energy from a subsurface formation
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US8701768B2 (en) 2010-04-09 2014-04-22 Shell Oil Company Methods for treating hydrocarbon formations
US8820406B2 (en) 2010-04-09 2014-09-02 Shell Oil Company Electrodes for electrical current flow heating of subsurface formations with conductive material in wellbore
US9016370B2 (en) 2011-04-08 2015-04-28 Shell Oil Company Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment
US9033042B2 (en) 2010-04-09 2015-05-19 Shell Oil Company Forming bitumen barriers in subsurface hydrocarbon formations
US9309756B1 (en) 2011-10-25 2016-04-12 Joseph A Affholter In situ retorting of hydrocarbons
US9309755B2 (en) 2011-10-07 2016-04-12 Shell Oil Company Thermal expansion accommodation for circulated fluid systems used to heat subsurface formations
US9429004B2 (en) 2006-06-19 2016-08-30 Joseph A. Affholter In situ retorting and refining of hygrocarbons
US9784082B2 (en) 2012-06-14 2017-10-10 Conocophillips Company Lateral wellbore configurations with interbedded layer
US10047594B2 (en) 2012-01-23 2018-08-14 Genie Ip B.V. Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2382471A (en) * 1941-03-03 1945-08-14 Phillips Petroleum Co Method of recovering hydrocarbons
US2584605A (en) * 1948-04-14 1952-02-05 Edmund S Merriam Thermal drive method for recovery of oil
US2734579A (en) * 1956-02-14 Production from bituminous sands
US2818117A (en) * 1953-03-09 1957-12-31 Socony Mobil Oil Co Inc Initiation of combustion in a subterranean petroleum oil reservoir
US2877847A (en) * 1955-09-26 1959-03-17 Sinclair Oil & Gas Company Combustion in well with steel liner
US2888987A (en) * 1958-04-07 1959-06-02 Phillips Petroleum Co Recovery of hydrocarbons by in situ combustion
US2917296A (en) * 1957-03-08 1959-12-15 Phillips Petroleum Co Recovery of hydrocarbon from oil shale adjoining a permeable oilbearing stratum
US2917112A (en) * 1956-11-13 1959-12-15 Phillips Petroleum Co Inverse air injection technique

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734579A (en) * 1956-02-14 Production from bituminous sands
US2382471A (en) * 1941-03-03 1945-08-14 Phillips Petroleum Co Method of recovering hydrocarbons
US2584605A (en) * 1948-04-14 1952-02-05 Edmund S Merriam Thermal drive method for recovery of oil
US2818117A (en) * 1953-03-09 1957-12-31 Socony Mobil Oil Co Inc Initiation of combustion in a subterranean petroleum oil reservoir
US2877847A (en) * 1955-09-26 1959-03-17 Sinclair Oil & Gas Company Combustion in well with steel liner
US2917112A (en) * 1956-11-13 1959-12-15 Phillips Petroleum Co Inverse air injection technique
US2917296A (en) * 1957-03-08 1959-12-15 Phillips Petroleum Co Recovery of hydrocarbon from oil shale adjoining a permeable oilbearing stratum
US2888987A (en) * 1958-04-07 1959-06-02 Phillips Petroleum Co Recovery of hydrocarbons by in situ combustion

Cited By (388)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3167120A (en) * 1961-06-15 1965-01-26 Phillips Petroleum Co Recovery of crude petroleum from plural strata by hot fluid drive
US4059151A (en) * 1975-07-14 1977-11-22 In Situ Technology, Inc. Methods of fluidized production of coal in situ
US4222437A (en) * 1978-05-15 1980-09-16 Karol Sabol Method for in situ gas production from coal seams
US4573531A (en) * 1980-02-21 1986-03-04 Vsesojuznoe Nauchno-Proizvod-Stvennoe Obiedinenie "Sojuzpromgaz" Method of underground gasification of coal seam
US4595057A (en) * 1984-05-18 1986-06-17 Chevron Research Company Parallel string method for multiple string, thermal fluid injection
US5014787A (en) * 1989-08-16 1991-05-14 Chevron Research Company Single well injection and production system
US5131471A (en) * 1989-08-16 1992-07-21 Chevron Research And Technology Company Single well injection and production system
US6902003B2 (en) 2000-04-24 2005-06-07 Shell Oil Company In situ thermal processing of a hydrocarbon containing formation having a selected total organic carbon content
US6805195B2 (en) 2000-04-24 2004-10-19 Shell Oil Company In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbon fluids and synthesis gas
US20020040778A1 (en) * 2000-04-24 2002-04-11 Wellington Scott Lee In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content
US20020049360A1 (en) * 2000-04-24 2002-04-25 Wellington Scott Lee In situ thermal processing of a hydrocarbon containing formation to produce a mixture including ammonia
US20020053431A1 (en) * 2000-04-24 2002-05-09 Wellington Scott Lee In situ thermal processing of a hydrocarbon containing formation to produce a selected ratio of components in a gas
WO2001081239A3 (en) * 2000-04-24 2002-05-23 Shell Oil Co In situ recovery from a hydrocarbon containing formation
US20020076212A1 (en) * 2000-04-24 2002-06-20 Etuan Zhang In situ thermal processing of a hydrocarbon containing formation producing a mixture with oxygenated hydrocarbons
US20020132862A1 (en) * 2000-04-24 2002-09-19 Vinegar Harold J. Production of synthesis gas from a coal formation
US7798221B2 (en) 2000-04-24 2010-09-21 Shell Oil Company In situ recovery from a hydrocarbon containing formation
GB2379469A (en) * 2000-04-24 2003-03-12 Shell Int Research In situ recovery from a hydrocarbon containing formation
US20030066642A1 (en) * 2000-04-24 2003-04-10 Wellington Scott Lee In situ thermal processing of a coal formation producing a mixture with oxygenated hydrocarbons
US8225866B2 (en) 2000-04-24 2012-07-24 Shell Oil Company In situ recovery from a hydrocarbon containing formation
US8485252B2 (en) 2000-04-24 2013-07-16 Shell Oil Company In situ recovery from a hydrocarbon containing formation
US8789586B2 (en) 2000-04-24 2014-07-29 Shell Oil Company In situ recovery from a hydrocarbon containing formation
WO2001081239A2 (en) * 2000-04-24 2001-11-01 Shell Internationale Research Maatschappij B.V. In situ recovery from a hydrocarbon containing formation
US7096953B2 (en) 2000-04-24 2006-08-29 Shell Oil Company In situ thermal processing of a coal formation using a movable heating element
US6581684B2 (en) 2000-04-24 2003-06-24 Shell Oil Company In Situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids
US7096941B2 (en) 2000-04-24 2006-08-29 Shell Oil Company In situ thermal processing of a coal formation with heat sources located at an edge of a coal layer
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US6749021B2 (en) 2000-04-24 2004-06-15 Shell Oil Company In situ thermal processing of a coal formation using a controlled heating rate
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US20030098605A1 (en) * 2001-04-24 2003-05-29 Vinegar Harold J. In situ thermal recovery from a relatively permeable formation
US6880633B2 (en) 2001-04-24 2005-04-19 Shell Oil Company In situ thermal processing of an oil shale formation to produce a desired product
US20030102126A1 (en) * 2001-04-24 2003-06-05 Sumnu-Dindoruk Meliha Deniz In situ thermal recovery from a relatively permeable formation with controlled production rate
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WO2002086018A3 (en) * 2001-04-24 2004-01-15 Shell Int Research In situ recovery from a oil shale formation
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US20030111223A1 (en) * 2001-04-24 2003-06-19 Rouffignac Eric Pierre De In situ thermal processing of an oil shale formation using horizontal heat sources
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US20030131996A1 (en) * 2001-04-24 2003-07-17 Vinegar Harold J. In situ thermal processing of an oil shale formation having permeable and impermeable sections
US20040211554A1 (en) * 2001-04-24 2004-10-28 Vinegar Harold J. Heat sources with conductive material for in situ thermal processing of an oil shale formation
US6923257B2 (en) 2001-04-24 2005-08-02 Shell Oil Company In situ thermal processing of an oil shale formation to produce a condensate
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US20030164239A1 (en) * 2001-04-24 2003-09-04 Wellington Scott Lee In situ thermal processing of an oil shale formation in a reducing environment
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US20030146002A1 (en) * 2001-04-24 2003-08-07 Vinegar Harold J. Removable heat sources for in situ thermal processing of an oil shale formation
US6991032B2 (en) 2001-04-24 2006-01-31 Shell Oil Company In situ thermal processing of an oil shale formation using a pattern of heat sources
US20030142964A1 (en) * 2001-04-24 2003-07-31 Wellington Scott Lee In situ thermal processing of an oil shale formation using a controlled heating rate
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US20030141066A1 (en) * 2001-04-24 2003-07-31 Karanikas John Michael In situ thermal processing of an oil shale formation while inhibiting coking
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US20030136558A1 (en) * 2001-04-24 2003-07-24 Wellington Scott Lee In situ thermal processing of an oil shale formation to produce a desired product
US7013972B2 (en) 2001-04-24 2006-03-21 Shell Oil Company In situ thermal processing of an oil shale formation using a natural distributed combustor
US20030137181A1 (en) * 2001-04-24 2003-07-24 Wellington Scott Lee In situ thermal processing of an oil shale formation to produce hydrocarbons having a selected carbon number range
US7032660B2 (en) 2001-04-24 2006-04-25 Shell Oil Company In situ thermal processing and inhibiting migration of fluids into or out of an in situ oil shale formation
US20030131993A1 (en) * 2001-04-24 2003-07-17 Etuan Zhang In situ thermal processing of an oil shale formation with a selected property
US7077198B2 (en) 2001-10-24 2006-07-18 Shell Oil Company In situ recovery from a hydrocarbon containing formation using barriers
US20040020642A1 (en) * 2001-10-24 2004-02-05 Vinegar Harold J. In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden
US6969123B2 (en) 2001-10-24 2005-11-29 Shell Oil Company Upgrading and mining of coal
US20030173082A1 (en) * 2001-10-24 2003-09-18 Vinegar Harold J. In situ thermal processing of a heavy oil diatomite formation
US7051808B1 (en) 2001-10-24 2006-05-30 Shell Oil Company Seismic monitoring of in situ conversion in a hydrocarbon containing formation
US20030173072A1 (en) * 2001-10-24 2003-09-18 Vinegar Harold J. Forming openings in a hydrocarbon containing formation using magnetic tracking
US20030173081A1 (en) * 2001-10-24 2003-09-18 Vinegar Harold J. In situ thermal processing of an oil reservoir formation
US7063145B2 (en) 2001-10-24 2006-06-20 Shell Oil Company Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations
US7066257B2 (en) 2001-10-24 2006-06-27 Shell Oil Company In situ recovery from lean and rich zones in a hydrocarbon containing formation
US6932155B2 (en) 2001-10-24 2005-08-23 Shell Oil Company In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
US20040211569A1 (en) * 2001-10-24 2004-10-28 Vinegar Harold J. Installation and use of removable heaters in a hydrocarbon containing formation
US7077199B2 (en) 2001-10-24 2006-07-18 Shell Oil Company In situ thermal processing of an oil reservoir formation
US20030173085A1 (en) * 2001-10-24 2003-09-18 Vinegar Harold J. Upgrading and mining of coal
US7086465B2 (en) 2001-10-24 2006-08-08 Shell Oil Company In situ production of a blending agent from a hydrocarbon containing formation
US20030192693A1 (en) * 2001-10-24 2003-10-16 Wellington Scott Lee In situ thermal processing of a hydrocarbon containing formation to produce heated fluids
US7090013B2 (en) 2001-10-24 2006-08-15 Shell Oil Company In situ thermal processing of a hydrocarbon containing formation to produce heated fluids
US20030192691A1 (en) * 2001-10-24 2003-10-16 Vinegar Harold J. In situ recovery from a hydrocarbon containing formation using barriers
US20030196788A1 (en) * 2001-10-24 2003-10-23 Vinegar Harold J. Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation
US20030196789A1 (en) * 2001-10-24 2003-10-23 Wellington Scott Lee In situ thermal processing of a hydrocarbon containing formation and upgrading of produced fluids prior to further treatment
US7100994B2 (en) 2001-10-24 2006-09-05 Shell Oil Company Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation
US7104319B2 (en) 2001-10-24 2006-09-12 Shell Oil Company In situ thermal processing of a heavy oil diatomite formation
US8627887B2 (en) 2001-10-24 2014-01-14 Shell Oil Company In situ recovery from a hydrocarbon containing formation
US7114566B2 (en) 2001-10-24 2006-10-03 Shell Oil Company In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
US6991045B2 (en) 2001-10-24 2006-01-31 Shell Oil Company Forming openings in a hydrocarbon containing formation using magnetic tracking
US7128153B2 (en) 2001-10-24 2006-10-31 Shell Oil Company Treatment of a hydrocarbon containing formation after heating
US7156176B2 (en) 2001-10-24 2007-01-02 Shell Oil Company Installation and use of removable heaters in a hydrocarbon containing formation
US7165615B2 (en) 2001-10-24 2007-01-23 Shell Oil Company In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden
US20050092483A1 (en) * 2001-10-24 2005-05-05 Vinegar Harold J. In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
US20040140095A1 (en) * 2002-10-24 2004-07-22 Vinegar Harold J. Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation
US8224164B2 (en) 2002-10-24 2012-07-17 Shell Oil Company Insulated conductor temperature limited heaters
US7073578B2 (en) 2002-10-24 2006-07-11 Shell Oil Company Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation
US20040146288A1 (en) * 2002-10-24 2004-07-29 Vinegar Harold J. Temperature limited heaters for heating subsurface formations or wellbores
US8238730B2 (en) 2002-10-24 2012-08-07 Shell Oil Company High voltage temperature limited heaters
US20040145969A1 (en) * 2002-10-24 2004-07-29 Taixu Bai Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation
US20040144540A1 (en) * 2002-10-24 2004-07-29 Sandberg Chester Ledlie High voltage temperature limited heaters
US8224163B2 (en) 2002-10-24 2012-07-17 Shell Oil Company Variable frequency temperature limited heaters
US20040144541A1 (en) * 2002-10-24 2004-07-29 Picha Mark Gregory Forming wellbores using acoustic methods
US20050006097A1 (en) * 2002-10-24 2005-01-13 Sandberg Chester Ledlie Variable frequency temperature limited heaters
US7360588B2 (en) 2003-04-24 2008-04-22 Shell Oil Company Thermal processes for subsurface formations
US7121342B2 (en) 2003-04-24 2006-10-17 Shell Oil Company Thermal processes for subsurface formations
US8579031B2 (en) 2003-04-24 2013-11-12 Shell Oil Company Thermal processes for subsurface formations
US7942203B2 (en) 2003-04-24 2011-05-17 Shell Oil Company Thermal processes for subsurface formations
US7320364B2 (en) 2004-04-23 2008-01-22 Shell Oil Company Inhibiting reflux in a heated well of an in situ conversion system
US7357180B2 (en) 2004-04-23 2008-04-15 Shell Oil Company Inhibiting effects of sloughing in wellbores
US7353872B2 (en) 2004-04-23 2008-04-08 Shell Oil Company Start-up of temperature limited heaters using direct current (DC)
US7431076B2 (en) 2004-04-23 2008-10-07 Shell Oil Company Temperature limited heaters using modulated DC power
US7370704B2 (en) 2004-04-23 2008-05-13 Shell Oil Company Triaxial temperature limited heater
US7481274B2 (en) 2004-04-23 2009-01-27 Shell Oil Company Temperature limited heaters with relatively constant current
US7383877B2 (en) 2004-04-23 2008-06-10 Shell Oil Company Temperature limited heaters with thermally conductive fluid used to heat subsurface formations
US7424915B2 (en) 2004-04-23 2008-09-16 Shell Oil Company Vacuum pumping of conductor-in-conduit heaters
US7490665B2 (en) 2004-04-23 2009-02-17 Shell Oil Company Variable frequency temperature limited heaters
US8355623B2 (en) 2004-04-23 2013-01-15 Shell Oil Company Temperature limited heaters with high power factors
US7510000B2 (en) 2004-04-23 2009-03-31 Shell Oil Company Reducing viscosity of oil for production from a hydrocarbon containing formation
US8230927B2 (en) 2005-04-22 2012-07-31 Shell Oil Company Methods and systems for producing fluid from an in situ conversion process
US7500528B2 (en) 2005-04-22 2009-03-10 Shell Oil Company Low temperature barrier wellbores formed using water flushing
US8233782B2 (en) 2005-04-22 2012-07-31 Shell Oil Company Grouped exposed metal heaters
US20070045265A1 (en) * 2005-04-22 2007-03-01 Mckinzie Billy J Ii Low temperature barriers with heat interceptor wells for in situ processes
US7831134B2 (en) 2005-04-22 2010-11-09 Shell Oil Company Grouped exposed metal heaters
US8224165B2 (en) 2005-04-22 2012-07-17 Shell Oil Company Temperature limited heater utilizing non-ferromagnetic conductor
US7860377B2 (en) 2005-04-22 2010-12-28 Shell Oil Company Subsurface connection methods for subsurface heaters
US7942197B2 (en) 2005-04-22 2011-05-17 Shell Oil Company Methods and systems for producing fluid from an in situ conversion process
US8070840B2 (en) 2005-04-22 2011-12-06 Shell Oil Company Treatment of gas from an in situ conversion process
US8027571B2 (en) 2005-04-22 2011-09-27 Shell Oil Company In situ conversion process systems utilizing wellbores in at least two regions of a formation
US7575052B2 (en) 2005-04-22 2009-08-18 Shell Oil Company In situ conversion process utilizing a closed loop heating system
US7986869B2 (en) 2005-04-22 2011-07-26 Shell Oil Company Varying properties along lengths of temperature limited heaters
US7435037B2 (en) 2005-04-22 2008-10-14 Shell Oil Company Low temperature barriers with heat interceptor wells for in situ processes
US9085972B1 (en) 2005-06-20 2015-07-21 Gilman A. Hill Integrated in situ retorting and refining of heavy-oil and tar sand deposits
US7980312B1 (en) * 2005-06-20 2011-07-19 Hill Gilman A Integrated in situ retorting and refining of oil shale
US8235117B1 (en) * 2005-06-20 2012-08-07 Hill Gilman A Integrated in situ retorting and refining of heavy-oil and tar sand deposits
US8151880B2 (en) 2005-10-24 2012-04-10 Shell Oil Company Methods of making transportation fuel
US20070221377A1 (en) * 2005-10-24 2007-09-27 Vinegar Harold J Solution mining systems and methods for treating hydrocarbon containing formations
US20070131419A1 (en) * 2005-10-24 2007-06-14 Maria Roes Augustinus W Methods of producing alkylated hydrocarbons from an in situ heat treatment process liquid
US20070131420A1 (en) * 2005-10-24 2007-06-14 Weijian Mo Methods of cracking a crude product to produce additional crude products
US20070095537A1 (en) * 2005-10-24 2007-05-03 Vinegar Harold J Solution mining dawsonite from hydrocarbon containing formations with a chelating agent
US20080107577A1 (en) * 2005-10-24 2008-05-08 Vinegar Harold J Varying heating in dawsonite zones in hydrocarbon containing formations
US8606091B2 (en) 2005-10-24 2013-12-10 Shell Oil Company Subsurface heaters with low sulfidation rates
US20070127897A1 (en) * 2005-10-24 2007-06-07 John Randy C Subsurface heaters with low sulfidation rates
US20070125533A1 (en) * 2005-10-24 2007-06-07 Minderhoud Johannes K Methods of hydrotreating a liquid stream to remove clogging compounds
US20070095536A1 (en) * 2005-10-24 2007-05-03 Vinegar Harold J Cogeneration systems and processes for treating hydrocarbon containing formations
US20080017380A1 (en) * 2006-04-21 2008-01-24 Vinegar Harold J Non-ferromagnetic overburden casing
US7793722B2 (en) 2006-04-21 2010-09-14 Shell Oil Company Non-ferromagnetic overburden casing
US20080173442A1 (en) * 2006-04-21 2008-07-24 Vinegar Harold J Sulfur barrier for use with in situ processes for treating formations
US20080035346A1 (en) * 2006-04-21 2008-02-14 Vijay Nair Methods of producing transportation fuel
US8857506B2 (en) 2006-04-21 2014-10-14 Shell Oil Company Alternate energy source usage methods for in situ heat treatment processes
US20080038144A1 (en) * 2006-04-21 2008-02-14 Maziasz Phillip J High strength alloys
US20080035705A1 (en) * 2006-04-21 2008-02-14 Menotti James L Welding shield for coupling heaters
US20080035348A1 (en) * 2006-04-21 2008-02-14 Vitek John M Temperature limited heaters using phase transformation of ferromagnetic material
US7866385B2 (en) 2006-04-21 2011-01-11 Shell Oil Company Power systems utilizing the heat of produced formation fluid
US7673786B2 (en) 2006-04-21 2010-03-09 Shell Oil Company Welding shield for coupling heaters
US7785427B2 (en) 2006-04-21 2010-08-31 Shell Oil Company High strength alloys
US7912358B2 (en) 2006-04-21 2011-03-22 Shell Oil Company Alternate energy source usage for in situ heat treatment processes
US8083813B2 (en) 2006-04-21 2011-12-27 Shell Oil Company Methods of producing transportation fuel
US8192682B2 (en) 2006-04-21 2012-06-05 Shell Oil Company High strength alloys
US7683296B2 (en) 2006-04-21 2010-03-23 Shell Oil Company Adjusting alloy compositions for selected properties in temperature limited heaters
US20080174115A1 (en) * 2006-04-21 2008-07-24 Gene Richard Lambirth Power systems utilizing the heat of produced formation fluid
US20080173450A1 (en) * 2006-04-21 2008-07-24 Bernard Goldberg Time sequenced heating of multiple layers in a hydrocarbon containing formation
US20080173444A1 (en) * 2006-04-21 2008-07-24 Francis Marion Stone Alternate energy source usage for in situ heat treatment processes
US9429004B2 (en) 2006-06-19 2016-08-30 Joseph A. Affholter In situ retorting and refining of hygrocarbons
US7677310B2 (en) 2006-10-20 2010-03-16 Shell Oil Company Creating and maintaining a gas cap in tar sands formations
US20080217003A1 (en) * 2006-10-20 2008-09-11 Myron Ira Kuhlman Gas injection to inhibit migration during an in situ heat treatment process
US7644765B2 (en) 2006-10-20 2010-01-12 Shell Oil Company Heating tar sands formations while controlling pressure
US7677314B2 (en) 2006-10-20 2010-03-16 Shell Oil Company Method of condensing vaporized water in situ to treat tar sands formations
US7841401B2 (en) 2006-10-20 2010-11-30 Shell Oil Company Gas injection to inhibit migration during an in situ heat treatment process
US7681647B2 (en) 2006-10-20 2010-03-23 Shell Oil Company Method of producing drive fluid in situ in tar sands formations
US20080142216A1 (en) * 2006-10-20 2008-06-19 Vinegar Harold J Treating tar sands formations with dolomite
US20080185147A1 (en) * 2006-10-20 2008-08-07 Vinegar Harold J Wax barrier for use with in situ processes for treating formations
US20080217015A1 (en) * 2006-10-20 2008-09-11 Vinegar Harold J Heating hydrocarbon containing formations in a spiral startup staged sequence
US20080142217A1 (en) * 2006-10-20 2008-06-19 Roelof Pieterson Using geothermal energy to heat a portion of a formation for an in situ heat treatment process
US7703513B2 (en) 2006-10-20 2010-04-27 Shell Oil Company Wax barrier for use with in situ processes for treating formations
US8191630B2 (en) 2006-10-20 2012-06-05 Shell Oil Company Creating fluid injectivity in tar sands formations
US20080217004A1 (en) * 2006-10-20 2008-09-11 De Rouffignac Eric Pierre Heating hydrocarbon containing formations in a checkerboard pattern staged process
US20080135254A1 (en) * 2006-10-20 2008-06-12 Vinegar Harold J In situ heat treatment process utilizing a closed loop heating system
US20080217016A1 (en) * 2006-10-20 2008-09-11 George Leo Stegemeier Creating fluid injectivity in tar sands formations
US7673681B2 (en) 2006-10-20 2010-03-09 Shell Oil Company Treating tar sands formations with karsted zones
US7717171B2 (en) 2006-10-20 2010-05-18 Shell Oil Company Moving hydrocarbons through portions of tar sands formations with a fluid
US7730945B2 (en) 2006-10-20 2010-06-08 Shell Oil Company Using geothermal energy to heat a portion of a formation for an in situ heat treatment process
US7730947B2 (en) 2006-10-20 2010-06-08 Shell Oil Company Creating fluid injectivity in tar sands formations
US7730946B2 (en) 2006-10-20 2010-06-08 Shell Oil Company Treating tar sands formations with dolomite
US20080277113A1 (en) * 2006-10-20 2008-11-13 George Leo Stegemeier Heating tar sands formations while controlling pressure
US20080283246A1 (en) * 2006-10-20 2008-11-20 John Michael Karanikas Heating tar sands formations to visbreaking temperatures
US20090014180A1 (en) * 2006-10-20 2009-01-15 George Leo Stegemeier Moving hydrocarbons through portions of tar sands formations with a fluid
US20090014181A1 (en) * 2006-10-20 2009-01-15 Vinegar Harold J Creating and maintaining a gas cap in tar sands formations
US20080135253A1 (en) * 2006-10-20 2008-06-12 Vinegar Harold J Treating tar sands formations with karsted zones
US8555971B2 (en) 2006-10-20 2013-10-15 Shell Oil Company Treating tar sands formations with dolomite
US20080135244A1 (en) * 2006-10-20 2008-06-12 David Scott Miller Heating hydrocarbon containing formations in a line drive staged process
US20080128134A1 (en) * 2006-10-20 2008-06-05 Ramesh Raju Mudunuri Producing drive fluid in situ in tar sands formations
US7845411B2 (en) 2006-10-20 2010-12-07 Shell Oil Company In situ heat treatment process utilizing a closed loop heating system
US8459359B2 (en) 2007-04-20 2013-06-11 Shell Oil Company Treating nahcolite containing formations and saline zones
US8042610B2 (en) 2007-04-20 2011-10-25 Shell Oil Company Parallel heater system for subsurface formations
US7832484B2 (en) 2007-04-20 2010-11-16 Shell Oil Company Molten salt as a heat transfer fluid for heating a subsurface formation
US7841408B2 (en) 2007-04-20 2010-11-30 Shell Oil Company In situ heat treatment from multiple layers of a tar sands formation
US7841425B2 (en) 2007-04-20 2010-11-30 Shell Oil Company Drilling subsurface wellbores with cutting structures
US20090084547A1 (en) * 2007-04-20 2009-04-02 Walter Farman Farmayan Downhole burner systems and methods for heating subsurface formations
US7798220B2 (en) 2007-04-20 2010-09-21 Shell Oil Company In situ heat treatment of a tar sands formation after drive process treatment
US7849922B2 (en) 2007-04-20 2010-12-14 Shell Oil Company In situ recovery from residually heated sections in a hydrocarbon containing formation
US20090071652A1 (en) * 2007-04-20 2009-03-19 Vinegar Harold J In situ heat treatment from multiple layers of a tar sands formation
US8381815B2 (en) 2007-04-20 2013-02-26 Shell Oil Company Production from multiple zones of a tar sands formation
US20090095480A1 (en) * 2007-04-20 2009-04-16 Vinegar Harold J In situ heat treatment of a tar sands formation after drive process treatment
US20090078461A1 (en) * 2007-04-20 2009-03-26 Arthur James Mansure Drilling subsurface wellbores with cutting structures
US20090095477A1 (en) * 2007-04-20 2009-04-16 Scott Vinh Nguyen Heating systems for heating subsurface formations
US9181780B2 (en) 2007-04-20 2015-11-10 Shell Oil Company Controlling and assessing pressure conditions during treatment of tar sands formations
US7931086B2 (en) 2007-04-20 2011-04-26 Shell Oil Company Heating systems for heating subsurface formations
US20090095479A1 (en) * 2007-04-20 2009-04-16 John Michael Karanikas Production from multiple zones of a tar sands formation
US20090126929A1 (en) * 2007-04-20 2009-05-21 Vinegar Harold J Treating nahcolite containing formations and saline zones
US8791396B2 (en) 2007-04-20 2014-07-29 Shell Oil Company Floating insulated conductors for heating subsurface formations
US7950453B2 (en) 2007-04-20 2011-05-31 Shell Oil Company Downhole burner systems and methods for heating subsurface formations
US20090090509A1 (en) * 2007-04-20 2009-04-09 Vinegar Harold J In situ recovery from residually heated sections in a hydrocarbon containing formation
US20090095476A1 (en) * 2007-04-20 2009-04-16 Scott Vinh Nguyen Molten salt as a heat transfer fluid for heating a subsurface formation
US8327681B2 (en) 2007-04-20 2012-12-11 Shell Oil Company Wellbore manufacturing processes for in situ heat treatment processes
US8662175B2 (en) 2007-04-20 2014-03-04 Shell Oil Company Varying properties of in situ heat treatment of a tar sands formation based on assessed viscosities
US8146661B2 (en) 2007-10-19 2012-04-03 Shell Oil Company Cryogenic treatment of gas
US8272455B2 (en) 2007-10-19 2012-09-25 Shell Oil Company Methods for forming wellbores in heated formations
US20090200031A1 (en) * 2007-10-19 2009-08-13 David Scott Miller Irregular spacing of heat sources for treating hydrocarbon containing formations
US8113272B2 (en) 2007-10-19 2012-02-14 Shell Oil Company Three-phase heaters with common overburden sections for heating subsurface formations
US20090194329A1 (en) * 2007-10-19 2009-08-06 Rosalvina Ramona Guimerans Methods for forming wellbores in heated formations
US8146669B2 (en) 2007-10-19 2012-04-03 Shell Oil Company Multi-step heater deployment in a subsurface formation
US8011451B2 (en) 2007-10-19 2011-09-06 Shell Oil Company Ranging methods for developing wellbores in subsurface formations
US20090194269A1 (en) * 2007-10-19 2009-08-06 Vinegar Harold J Three-phase heaters with common overburden sections for heating subsurface formations
US8276661B2 (en) 2007-10-19 2012-10-02 Shell Oil Company Heating subsurface formations by oxidizing fuel on a fuel carrier
US20090189617A1 (en) * 2007-10-19 2009-07-30 David Burns Continuous subsurface heater temperature measurement
US8162059B2 (en) 2007-10-19 2012-04-24 Shell Oil Company Induction heaters used to heat subsurface formations
US7866386B2 (en) 2007-10-19 2011-01-11 Shell Oil Company In situ oxidation of subsurface formations
US7866388B2 (en) 2007-10-19 2011-01-11 Shell Oil Company High temperature methods for forming oxidizer fuel
US20090194282A1 (en) * 2007-10-19 2009-08-06 Gary Lee Beer In situ oxidation of subsurface formations
US20090194524A1 (en) * 2007-10-19 2009-08-06 Dong Sub Kim Methods for forming long subsurface heaters
US8196658B2 (en) 2007-10-19 2012-06-12 Shell Oil Company Irregular spacing of heat sources for treating hydrocarbon containing formations
US20090200854A1 (en) * 2007-10-19 2009-08-13 Vinegar Harold J Solution mining and in situ treatment of nahcolite beds
US8240774B2 (en) 2007-10-19 2012-08-14 Shell Oil Company Solution mining and in situ treatment of nahcolite beds
US8536497B2 (en) 2007-10-19 2013-09-17 Shell Oil Company Methods for forming long subsurface heaters
US20090200025A1 (en) * 2007-10-19 2009-08-13 Jose Luis Bravo High temperature methods for forming oxidizer fuel
US8162405B2 (en) 2008-04-18 2012-04-24 Shell Oil Company Using tunnels for treating subsurface hydrocarbon containing formations
US20090272578A1 (en) * 2008-04-18 2009-11-05 Macdonald Duncan Charles Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations
US20090260824A1 (en) * 2008-04-18 2009-10-22 David Booth Burns Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations
US20090260823A1 (en) * 2008-04-18 2009-10-22 Robert George Prince-Wright Mines and tunnels for use in treating subsurface hydrocarbon containing formations
US20090272533A1 (en) * 2008-04-18 2009-11-05 David Booth Burns Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations
US20090272535A1 (en) * 2008-04-18 2009-11-05 David Booth Burns Using tunnels for treating subsurface hydrocarbon containing formations
US20100071903A1 (en) * 2008-04-18 2010-03-25 Shell Oil Company Mines and tunnels for use in treating subsurface hydrocarbon containing formations
US8562078B2 (en) 2008-04-18 2013-10-22 Shell Oil Company Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations
US9528322B2 (en) 2008-04-18 2016-12-27 Shell Oil Company Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations
US8177305B2 (en) 2008-04-18 2012-05-15 Shell Oil Company Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations
US8172335B2 (en) 2008-04-18 2012-05-08 Shell Oil Company Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations
US8752904B2 (en) 2008-04-18 2014-06-17 Shell Oil Company Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations
US8151907B2 (en) 2008-04-18 2012-04-10 Shell Oil Company Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations
US8636323B2 (en) 2008-04-18 2014-01-28 Shell Oil Company Mines and tunnels for use in treating subsurface hydrocarbon containing formations
US8261832B2 (en) 2008-10-13 2012-09-11 Shell Oil Company Heating subsurface formations with fluids
US9051829B2 (en) 2008-10-13 2015-06-09 Shell Oil Company Perforated electrical conductors for treating subsurface formations
US8353347B2 (en) 2008-10-13 2013-01-15 Shell Oil Company Deployment of insulated conductors for treating subsurface formations
US8281861B2 (en) 2008-10-13 2012-10-09 Shell Oil Company Circulated heated transfer fluid heating of subsurface hydrocarbon formations
US8267170B2 (en) 2008-10-13 2012-09-18 Shell Oil Company Offset barrier wells in subsurface formations
US9129728B2 (en) 2008-10-13 2015-09-08 Shell Oil Company Systems and methods of forming subsurface wellbores
US9022118B2 (en) 2008-10-13 2015-05-05 Shell Oil Company Double insulated heaters for treating subsurface formations
US8267185B2 (en) 2008-10-13 2012-09-18 Shell Oil Company Circulated heated transfer fluid systems used to treat a subsurface formation
US8256512B2 (en) 2008-10-13 2012-09-04 Shell Oil Company Movable heaters for treating subsurface hydrocarbon containing formations
US8881806B2 (en) 2008-10-13 2014-11-11 Shell Oil Company Systems and methods for treating a subsurface formation with electrical conductors
US8220539B2 (en) 2008-10-13 2012-07-17 Shell Oil Company Controlling hydrogen pressure in self-regulating nuclear reactors used to treat a subsurface formation
US20100089586A1 (en) * 2008-10-13 2010-04-15 John Andrew Stanecki Movable heaters for treating subsurface hydrocarbon containing formations
US20100096137A1 (en) * 2008-10-13 2010-04-22 Scott Vinh Nguyen Circulated heated transfer fluid heating of subsurface hydrocarbon formations
US20100101784A1 (en) * 2008-10-13 2010-04-29 Vinegar Harold J Controlling hydrogen pressure in self-regulating nuclear reactors used to treat a subsurface formation
US20100101783A1 (en) * 2008-10-13 2010-04-29 Vinegar Harold J Using self-regulating nuclear reactors in treating a subsurface formation
US20100108379A1 (en) * 2008-10-13 2010-05-06 David Alston Edbury Systems and methods of forming subsurface wellbores
US20100108310A1 (en) * 2008-10-13 2010-05-06 Thomas David Fowler Offset barrier wells in subsurface formations
US7934549B2 (en) * 2008-11-03 2011-05-03 Laricina Energy Ltd. Passive heating assisted recovery methods
US20100108317A1 (en) * 2008-11-03 2010-05-06 Laricina Energy Ltd. Passive Heating Assisted Recovery Methods
US20100139915A1 (en) * 2008-12-04 2010-06-10 Conocophillips Company Producer well plugging for in situ combustion processes
US7793720B2 (en) 2008-12-04 2010-09-14 Conocophillips Company Producer well lugging for in situ combustion processes
US7909093B2 (en) 2009-01-15 2011-03-22 Conocophillips Company In situ combustion as adjacent formation heat source
US20100175872A1 (en) * 2009-01-15 2010-07-15 Conocophillips Company In situ combustion as adjacent formation heat source
US20100206555A1 (en) * 2009-02-19 2010-08-19 Conocophillips Company Draining a reservoir with an interbedded layer
US8118095B2 (en) 2009-02-19 2012-02-21 Conocophillips Company In situ combustion processes and configurations using injection and production wells
US20100206563A1 (en) * 2009-02-19 2010-08-19 Conocophillips Company In situ combustion processes and configurations using injection and production wells
US8240381B2 (en) 2009-02-19 2012-08-14 Conocophillips Company Draining a reservoir with an interbedded layer
US8448707B2 (en) 2009-04-10 2013-05-28 Shell Oil Company Non-conducting heater casings
US8434555B2 (en) 2009-04-10 2013-05-07 Shell Oil Company Irregular pattern treatment of a subsurface formation
US8851170B2 (en) 2009-04-10 2014-10-07 Shell Oil Company Heater assisted fluid treatment of a subsurface formation
US8327932B2 (en) 2009-04-10 2012-12-11 Shell Oil Company Recovering energy from a subsurface formation
US9022109B2 (en) 2010-04-09 2015-05-05 Shell Oil Company Leak detection in circulated fluid systems for heating subsurface formations
US9127523B2 (en) 2010-04-09 2015-09-08 Shell Oil Company Barrier methods for use in subsurface hydrocarbon formations
US9033042B2 (en) 2010-04-09 2015-05-19 Shell Oil Company Forming bitumen barriers in subsurface hydrocarbon formations
US8701768B2 (en) 2010-04-09 2014-04-22 Shell Oil Company Methods for treating hydrocarbon formations
US8833453B2 (en) 2010-04-09 2014-09-16 Shell Oil Company Electrodes for electrical current flow heating of subsurface formations with tapered copper thickness
US8820406B2 (en) 2010-04-09 2014-09-02 Shell Oil Company Electrodes for electrical current flow heating of subsurface formations with conductive material in wellbore
US9127538B2 (en) 2010-04-09 2015-09-08 Shell Oil Company Methodologies for treatment of hydrocarbon formations using staged pyrolyzation
US8631866B2 (en) 2010-04-09 2014-01-21 Shell Oil Company Leak detection in circulated fluid systems for heating subsurface formations
US8739874B2 (en) 2010-04-09 2014-06-03 Shell Oil Company Methods for heating with slots in hydrocarbon formations
US8701769B2 (en) 2010-04-09 2014-04-22 Shell Oil Company Methods for treating hydrocarbon formations based on geology
US9399905B2 (en) 2010-04-09 2016-07-26 Shell Oil Company Leak detection in circulated fluid systems for heating subsurface formations
US9016370B2 (en) 2011-04-08 2015-04-28 Shell Oil Company Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment
US9309755B2 (en) 2011-10-07 2016-04-12 Shell Oil Company Thermal expansion accommodation for circulated fluid systems used to heat subsurface formations
US9309756B1 (en) 2011-10-25 2016-04-12 Joseph A Affholter In situ retorting of hydrocarbons
US10047594B2 (en) 2012-01-23 2018-08-14 Genie Ip B.V. Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation
US9784082B2 (en) 2012-06-14 2017-10-10 Conocophillips Company Lateral wellbore configurations with interbedded layer

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