CA2462794A1 - Method and system for in situ heating a hydrocarbon containing formation by a u-shaped opening - Google Patents

Method and system for in situ heating a hydrocarbon containing formation by a u-shaped opening Download PDF

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Publication number
CA2462794A1
CA2462794A1 CA 2462794 CA2462794A CA2462794A1 CA 2462794 A1 CA2462794 A1 CA 2462794A1 CA 2462794 CA2462794 CA 2462794 CA 2462794 A CA2462794 A CA 2462794A CA 2462794 A1 CA2462794 A1 CA 2462794A1
Authority
CA
Canada
Prior art keywords
wellbore
oxidizer
heat
formation
conduit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2462794
Other languages
French (fr)
Other versions
CA2462794C (en
Inventor
Harold J. Vinegar
John Michael Karanikas
Peter Veenstra
Eric Pierre De Rouffignac
Scott Lee Wellington
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Canada Ltd
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2462794A1 publication Critical patent/CA2462794A1/en
Application granted granted Critical
Publication of CA2462794C publication Critical patent/CA2462794C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • E21B43/2401Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection by means of electricity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/02Extraction using liquids, e.g. washing, leaching, flotation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/06Reclamation of contaminated soil thermally
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G45/00Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G9/00Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G9/24Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by heating with electrical means
    • 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
    • E21B43/166Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
    • E21B43/168Injecting a gaseous medium
    • 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
    • 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
    • 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
    • E21B43/30Specific pattern of wells, e.g. optimizing the spacing of wells
    • E21B43/305Specific pattern of wells, e.g. optimizing the spacing of wells comprising at least one inclined or horizontal well
    • 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
    • E21B47/00Survey of boreholes or wells
    • E21B47/02Determining slope or direction
    • E21B47/022Determining slope or direction of the borehole, e.g. using geomagnetism
    • E21B47/0224Determining slope or direction of the borehole, e.g. using geomagnetism using seismic or acoustic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/26Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C2101/00In situ
    • 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
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/028Electrical or electro-magnetic connections
    • E21B17/0285Electrical or electro-magnetic connections characterised by electrically insulating elements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P30/00Technologies relating to oil refining and petrochemical industry
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P30/00Technologies relating to oil refining and petrochemical industry
    • Y02P30/40Ethylene production
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00Liquid purification or separation
    • Y10S210/901Specified land fill feature, e.g. prevention of ground water fouling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/0318Processes
    • Y10T137/0391Affecting flow by the addition of material or energy

Abstract

In an embodiment, a method for heating a hydrocarbon containing formation ma y include providing heat from one or more heaters to an opening in the formation. A first end of the opening may contact the earth's surface at a first location and a second end of the opening may contact the earth's surfa ce at a second location. The heat may be allowed to transfer from the opening t o at least a part of the formation. The transferred heat may pyrolyze at least some hydrocarbons in the formation. In certain embodiments, providing the he at to the opening may include providing heat, heated materials, and/or oxidatio n products from at least one heater to the opening.

Claims (45)

1. An in situ method for heating a hydrocarbon containing formation, comprising:
providing heat from one or more heaters to a wellbore in the formation, wherein a first end of the wellbore contacts the earth's surface at a first location, and wherein a second end of the wellbore contacts the earth's surface at a second location; and allowing the heat to transfer from the wellbore to at least a part of the formation to pyrolyze at least some hydrocarbons in the formation.
2. The method of claim 1, wherein providing heat to the wellbore comprises providing heat, heated materials, and/or oxidation products from at least one heater to the wellbore.
3. The method of any of claims 1-2, further comprising allowing the heat to transfer from heat, heated materials, and/or oxidation products in a conduit positioned in at least a portion of the wellbore.
4. The method of claim 3, further comprising allowing the heat to transfer from heat, heated materials, and/or oxidation products in the conduit and through an annulus formed between a wall of the wellbore and a wall of the conduit.
5. The method of any one of claims 1-4, wherein at least one heater comprises an oxidizer, the method further comprising:
providing fuel to the oxidizer;
oxidizing at least some of the fuel; and allowing heat, heated materials, and/or oxidation products to migrate through the wellbore, a conduit positioned in the wellbore, and/or an annulus between a wall of a conduit positioned in the wellbore and a wall of the wellbore, and thereby transfer heat to at least a part of the formation.
6. The method of any of claims 1-5, further comprising allowing heat, heated materials and/or oxidation products to migrate from the first end of the wellbore to the second end of the wellbore and/or from the second of the wellbore to the first end of the wellbore.
7. The method of any of claims 1-6, wherein at least one heater comprises a surface unit, the method further comprising:

heating a fluid or other material using the surface unit; and allowing the heated fluid or other material to migrate through the wellbore, a conduit positioned in the wellbore, and/or an annulus between a wall of a conduit positioned in the wellbore and a wall of the wellbore, and thereby transfer heat to at least a part of the formation.
8. The method of any of claims 1-7, comprising:
providing fuel to a conduit positioned in the wellbore;
providing an oxidizing fluid to the wellbore;
oxidizing fuel in at least one oxidizer positioned in, or coupled to, the conduit; and allowing the heat to transfer to at least a part of the formation.
9. The method of any of claims 1-8, further comprising providing oxidation products to the wellbore proximate the first location, and then allowing the oxidation products to exit the wellbore proximate the second location.
10. The method of any of claims 1-9, further comprising forming the wellbore by drilling from the first location towards the second location or by drilling from the second location towards the first location.
11. The method of any of claims 1-10, further comprising controlling a pressure and a temperature in at least a majority of the part of the formation, wherein the pressure is controlled as a function of temperature, and/or the temperature is controlled as a function of pressure.
12. The method of any of claims 1-11, further comprising producing a mixture from the formation, wherein the produced mixture comprises condensable hydrocarbons having an API
gravity of at least about 25°.
13. The method of any of claims 1-12, further comprising controlling a pressure in at least a majority of the part of the formation, wherein the controlled pressure is at least about 2.0 bars absolute.
14. The method of any of claims 1-13, further comprising controlling formation conditions such that a produced mixture comprises a partial pressure of H2 in the mixture greater than about 0.5 bars.
15. The method of any of claims 1-14, further comprising altering a pressure in the formation to inhibit production of hydrocarbons from the formation having carbon numbers greater than about 25.
16. The method of any of claims 1-15, wherein at least a portion of the part of the formation is heated to a minimum pyrolysis temperature of about 270 °C.
17. A system for performing the method in any of claims 1-16, comprising:
one or more heaters configured to provide heat to at least a part of the formation by transferring heat to the wellbore of the formation.
18. The system of claim 17, wherein the heaters are configured to transfer heat to the wellbore in the formation by providing heat, heated materials, and/or oxidation products to the wellbore.
19. The system of any of claims 17-18, further comprising a casing positioned in at least a portion of the wellbore.
20. The system of any of claims 17-19, wherein at least one heater is an oxidizer located in the wellbore, or coupled to the wellbore.
21. The system of any of claims 17-20, wherein the heaters comprise at least a first oxidizer and a second oxidizer.
22. The system of any of claims 17-21, wherein heat, heated materials, and/or oxidation products from the first oxidizer are configured to flow through the wellbore from the first end towards the second end and heat, heated materials, and/or oxidation products from the second oxidizer are configured to flow through the wellbore from the second end towards the first end.
23. The system of any of claims 17-22, further comprising a conduit positionable in at least a portion of the wellbore.
24. The system of claim 23, wherein the heaters are configured to transfer heat to the wellbore in the formation by providing heat, heated materials, and/or oxidation products to the conduit.
25. The system of any of claims 23-24, wherein the heaters comprise at least a first oxidizer and a second oxidizer.
26. The system of claim 25, wherein the second oxidizer is positioned in, or coupled to, the conduit, and wherein the second oxidizer is configured to provide heat to at least a part of the formation.
27. The system of any of claims 17-26, wherein at least one heater comprises an oxidizer configurable to oxidize fuel to generate heat, the system further comprising a recycle conduit configurable to recycle at least some of the fuel flowing with oxidation products from the oxidizer to at least one additional oxidizer.
28. The system of any of claims 23-27, further comprising an annulus formed between a wall of the conduit and a wall of the wellbore.
29. The system of claim 2$, wherein the heaters are configured to transfer heat to the wellbore in the formation by providing heat, heated materials, and/or oxidation products to the annulus.
30. The system of any of claims 28-29, wherein the heaters comprise one or more oxidizers positioned in the annulus and coupled to the conduit, and wherein a fuel is configured to flow through the conduit to the oxidizers.
31. The system of any of claims 28-29, wherein at least one oxidizer is positioned in, or coupled to, the annulus, and wherein at least one oxidizer is configured to provide heat to at least a part of the formation.
32. The system of claim 31, further comprising a first oxidizer positioned in or coupled to the annulus, and a second oxidizer positioned in or coupled to the conduit.
33. The system of claim 32, wherein heat, heated materials, and/or oxidation products from the first oxidizer are configured to flow to the annulus and countercurrent to heat, heated materials, and/or oxidation products configured to flow to the conduit from the second oxidizer.
34. The system of any of claims 32-33, further comprising:
a first recycle conduit configurable to recycle at least some fuel in the annulus to the second oxidizer; and a second recycle conduit configurable to recycle at least some fuel in the conduit to the first oxidizer.
35. The system of any of claims 23-34, further comprising a second conduit positionable in the wellbore, and one or more heaters configurable to provide heat through the second conduit to at least a part of the formation.
36. The system of claim 35, wherein the heaters comprise at least a first oxidizer configurable to provide heat to at least a part of the formation by providing heat, heated materials, and/or oxidation products to the conduit, and a second oxidizer configurable to provide heat to at least a part of the formation by providing heat, heated materials, and/or oxidation products to the second conduit.
37. The system of claim 36, wherein the first oxidizer is positioned in the conduit and the second oxidizer is positioned in the second conduit.
38. The system of any of claims 36-37, wherein oxidation products from the first oxidizer are configured to flow in a direction opposite to a flow of oxidation products from the second oxidizer.
39. The system of any of claims 17-38, wherein at least one heater comprises an oxidizer, and further comprising insulation positionable proximate the oxidizer.
40. The system of any of claims 17-39, wherein at least one heater comprises an oxidizer, and wherein at least one oxidizer comprises a ring burner or an inline burner.
41. The system of any of claims 17-40, wherein at least one of the heaters is a surface unit configurable to provide heat to the wellbore.
42. The system of claim 17-40, wherein the heaters comprise a first surface unit configured to provide heat, heated materials, or oxidation products to the wellbore or a conduit at the first location, and a second surface unit configured to provide heat, heated materials, or oxidation products to the wellbore or a conduit at the second location.
43. The system of any of claims 17-43, wherein the system is configured to provide heat to a selected section of the formation and pyrolyze at least a part of the hydrocarbons in the selected section.
44. The system of any of claims 17-44, wherein the system is configured to allow heat to transfer from the wellbore to at least a part of the formation to pyrolyze at least some hydrocarbons in the formation.
45. The method of any of claims 1-16, wherein the first end of the wellbore and/or the second end of the wellbore comprise an entry angle into the formation of between about 5°
and about 20°.
CA 2462794 2001-10-24 2002-10-24 Method and system for in situ heating a hydrocarbon containing formation by a u-shaped opening Expired - Fee Related CA2462794C (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US33456801P 2001-10-24 2001-10-24
US33713601P 2001-10-24 2001-10-24
US60/337,136 2001-10-24
US60/334,568 2001-10-24
US37497002P 2002-04-24 2002-04-24
US37499502P 2002-04-24 2002-04-24
US60/374,995 2002-04-24
US60/374,970 2002-04-24
PCT/US2002/034212 WO2003036024A2 (en) 2001-10-24 2002-10-24 Method and system for in situ heating a hydrocarbon containing formation by a u-shaped opening

Publications (2)

Publication Number Publication Date
CA2462794A1 true CA2462794A1 (en) 2003-05-01
CA2462794C CA2462794C (en) 2010-11-30

Family

ID=27502497

Family Applications (10)

Application Number Title Priority Date Filing Date
CA 2462957 Expired - Fee Related CA2462957C (en) 2001-10-24 2002-10-24 In situ thermal processing of a hydrocarbon containing formation and upgrading of produced fluids prior to further treatment
CA 2463109 Abandoned CA2463109A1 (en) 2001-10-24 2002-10-24 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
CA 2463112 Expired - Fee Related CA2463112C (en) 2001-10-24 2002-10-24 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
CA 2463104 Expired - Fee Related CA2463104C (en) 2001-10-24 2002-10-24 In situ production of a blending agent from a hydrocarbon containing formation
CA 2462794 Expired - Fee Related CA2462794C (en) 2001-10-24 2002-10-24 Method and system for in situ heating a hydrocarbon containing formation by a u-shaped opening
CA 2463103 Expired - Fee Related CA2463103C (en) 2001-10-24 2002-10-24 Seismic monitoring of in situ conversion in a hydrocarbon containing formation
CA 2462805 Expired - Lifetime CA2462805C (en) 2001-10-24 2002-10-24 Forming openings in a hydrocarbon containing formation using magnetic tracking
CA2462971A Expired - Fee Related CA2462971C (en) 2001-10-24 2002-10-24 Installation and use of removable heaters in a hydrocarbon containing formation
CA 2463110 Expired - Fee Related CA2463110C (en) 2001-10-24 2002-10-24 In situ recovery from a hydrocarbon containing formation using barriers
CA 2463423 Abandoned CA2463423A1 (en) 2001-10-24 2002-10-24 Upgrading and mining of coal

Family Applications Before (4)

Application Number Title Priority Date Filing Date
CA 2462957 Expired - Fee Related CA2462957C (en) 2001-10-24 2002-10-24 In situ thermal processing of a hydrocarbon containing formation and upgrading of produced fluids prior to further treatment
CA 2463109 Abandoned CA2463109A1 (en) 2001-10-24 2002-10-24 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
CA 2463112 Expired - Fee Related CA2463112C (en) 2001-10-24 2002-10-24 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
CA 2463104 Expired - Fee Related CA2463104C (en) 2001-10-24 2002-10-24 In situ production of a blending agent from a hydrocarbon containing formation

Family Applications After (5)

Application Number Title Priority Date Filing Date
CA 2463103 Expired - Fee Related CA2463103C (en) 2001-10-24 2002-10-24 Seismic monitoring of in situ conversion in a hydrocarbon containing formation
CA 2462805 Expired - Lifetime CA2462805C (en) 2001-10-24 2002-10-24 Forming openings in a hydrocarbon containing formation using magnetic tracking
CA2462971A Expired - Fee Related CA2462971C (en) 2001-10-24 2002-10-24 Installation and use of removable heaters in a hydrocarbon containing formation
CA 2463110 Expired - Fee Related CA2463110C (en) 2001-10-24 2002-10-24 In situ recovery from a hydrocarbon containing formation using barriers
CA 2463423 Abandoned CA2463423A1 (en) 2001-10-24 2002-10-24 Upgrading and mining of coal

Country Status (7)

Country Link
US (16) US20030201098A1 (en)
CN (9) CN1575373B (en)
AU (11) AU2002342139A1 (en)
CA (10) CA2462957C (en)
IL (4) IL161172A0 (en)
NZ (6) NZ532089A (en)
WO (17) WO2003036030A2 (en)

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