WO2003087525A1 - A one trip drilling and casing cementing method - Google Patents
A one trip drilling and casing cementing method Download PDFInfo
- Publication number
- WO2003087525A1 WO2003087525A1 PCT/US2003/010324 US0310324W WO03087525A1 WO 2003087525 A1 WO2003087525 A1 WO 2003087525A1 US 0310324 W US0310324 W US 0310324W WO 03087525 A1 WO03087525 A1 WO 03087525A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- casing
- drill string
- opening
- wall
- cement
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
- E21B33/14—Methods or devices for cementing, for plugging holes, crevices, or the like for cementing casings into boreholes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
- E21B7/208—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes using down-hole drives
Definitions
- the field of this invention is running in casing while drilling a well and cementing the casing in the same trip.
- the drill string would then be run through this length of casing with the lower end having an under-reamer on top of a bit extending below the suspended casing string.
- a mud motor was used to rotate the lower end of the drill string, while the upper end remained fixed.
- the fixed portion of the drill string was secured to the casing and both advanced together downhole. Drilling into the pay zone would continue until the casing got stuck due to formation collapse around it, once the pay zone was breached. Depending on the formation characteristics of the pay zone the casing could get stuck due to borehole collapse around it as soon as a few feet after drilling into the zone. At that point the casing string was secured to the next size of casing with an external casing packer.
- the drill string was removed and a production string and packer were run. The last run of casing was not cemented because it could't be due to hole collapse around it.
- a method and associated equipment are disclosed which allow drilling at least a portion of a well and subsequently cementing casing in a single trip.
- the method is particularly suited for deep-water offshore operations where the drill string can be run through a section of casing leaving a bit and an under-reamer extending out below.
- the casing is equipped with ports through which cement can be pumped as well as an external casing packer to prevent the uncured cement in the annulus from U-tubing.
- Several casing sections can be run in during drilling and cemented succession using the one trip method.
- Figure 1 is an offshore location showing the initial casing jetted into the seabed;
- Figure 2 shows the casing suspended from the drill ship;
- Figure 3 shows the drill string run through the suspended casing;
- Figure 4 the casing affixed to the stationary portion of the drill string;
- Figure 5 shows the application of pressure to extend the arms of the under- reamer and to start the bit turning;
- Figure 6 shows drilling in progress
- Figure 7 shows the end of drilling progress as the casing suspended on the drill string lands on the previous casing string;
- Figure 8 shows the drilling motor isolated and pressure buildup to open the cementing ports;
- Figure 9 shows the cementing ports open;
- Figure 10 shows cementing in progress;
- Figure 11 shows the cementing ports isolated and the external casing packer inflated
- Figure 12 shows the dump valves open and excess cement being circulated out
- Figure 13 shows the wellbore after the drill string is removed;
- Figures 14a- 14b are a sectional elevation showing the casing and the drill string adjacent to it rather than inside it for greater clarity.
- Figure 1 shows a drill ship or equivalent 10 sitting on the water 12.
- the seabed 14 has had initial casing 16 jetted into it leaving the beginning of a wellbore 18.
- a casing string 20 is put together and supported from the drill ship 10.
- the practical limit on its length is the approximate depth between the drill ship 10 and the seabed 14.
- the drill string 22 is run through the casing string 20 such that a bit 24 and an under-reamer 26 extend out below the lower end 28 of the casing string 20.
- the bit 24 should still clear the seabed 14 by a comfortable margin taking into account the expected wave action at the surface.
- a mud motor 30 drives the bit 24 and the under-reamer 26, leaving the upper end 32 of the drill string 22 stationary.
- Figure 4 illustrates that the casing string 20 is secured to the upper end 32 of the drill string 22 by a connector 34 and the assembly is lowered to get bit 24 into the wellbore 18.
- Figure 5 illustrates pressure being applied in the drill string 22, which gets the under-reamer blades 36 to extend and starts the bit 24 turning.
- Figure 6 shows drilling activity as the casing 20 descends with the advance of bit 24.
- Figure 7 shows the maximum possible drilling depth, which is defined as the casing 20 contacts the initial casing 16. In view of coupling 34 connecting the drill string 22 to the casing 20, the bit cannot advance further when casing 20 is landed on initial casing 16.
- Figure 8 shows a ball 38 dropped on a seat 40 to isolate the mud motor 30. Straddle seals 60 and 44 surround opening 46 in the drill string 22.
- Figure 9 is the view of Figure 8 with an internal sleeve that is connected to seat 40 shifted to open openings 46.
- Figure 10 shows cement 48 going through an opening or openings 50 after a debris plug 52 is pushed out.
- Figure 11 shows a plug 54 landing on a seat 56 to isolate openings 46.
- Pressure is now applied through openings 58 and between seals 60 and 42 into the external casing packer 62 to start it in its inflation cycle.
- Figure 12 shows external casing packer 62 fully inflated and dump valve 64 triggered open. Excess cement in the drill string 22 can now be circulated out as shown by arrows 66.
- Figure 13 shows the drill string 22 removed and the casing 20 fully cemented.
- the process can be repeated for subsequent runs of casing. It can also be employed with land rigs after the well is initially drilled to a given depth. The previously described assembly can be inserted into the initially drilled well. In essence, the initial wellbore substitutes for the water depth, which, in an offshore application allows the first string to be cemented 20 to be run and cemented in a single trip to the initial casing 16. In a land rig environment, the counterpart to casing 20 would have to be run and cemented in the known way, with further casing strings run on drill pipe and cemented in a single trip.
- the casing string 20 is illustrated. It has an external casing packer 62 as well as openings 50 through which cement is pumped after the optional debris plugs 52 are knocked out.
- the drill string 22 is illustrated along side for clarity but it is actually assembled within casing 20.
- the bit 24 has an under-reamer 26 above it. These two tools extend beyond the lower end 28 of the casing string 20.
- Above the stabilizer 68 are seal assemblies 44, 42, and 60 respectively. They are part of an inflation/cementing tool 72, which further includes openings 46 and 58 as well as dump valve 64.
- Ball catcher sub 74 includes seat 40 (see Figure 8), which is used to isolate the mud motor 30 when ball 38 is dropped on it. Going further uphole, there are drill collars 76 and the connector 34 (see Figure 4) followed by the rest of the drill string 22 to the drill ship 10.
- the individual components are not described in detail because they are known to those skilled in the art. Rather the invention relates to the assembly of the components and the one trip method they make possible for drilling and cementing or otherwise sealing casing in a single trip.
- the presence of the casing during drilling also provides protection against sticking the drill string in the event of a borehole collapse. This situation is more likely to occur when drilling from a zone of higher pressure to one of significantly lower pressure or an unstable formation.
- the method and equipment can be used on land rigs, but the significantly higher daily rates of offshore rigs and drill ships makes the application of the method and apparatus to offshore installations more financially compelling.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0422894A GB2403497B (en) | 2002-04-08 | 2003-04-04 | A one trip drilling and casing cementing method |
CA002481800A CA2481800C (en) | 2002-04-08 | 2003-04-04 | A one trip drilling and casing cementing method |
AU2003220664A AU2003220664B2 (en) | 2002-04-08 | 2003-04-04 | A one trip drilling and casing cementing method |
NO20044559A NO20044559L (en) | 2002-04-08 | 2004-10-22 | Procedure for single trip drilling and casing cementing |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37091002P | 2002-04-08 | 2002-04-08 | |
US60/370,910 | 2002-04-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003087525A1 true WO2003087525A1 (en) | 2003-10-23 |
Family
ID=29250604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2003/010324 WO2003087525A1 (en) | 2002-04-08 | 2003-04-04 | A one trip drilling and casing cementing method |
Country Status (6)
Country | Link |
---|---|
US (1) | US7234546B2 (en) |
AU (1) | AU2003220664B2 (en) |
CA (1) | CA2481800C (en) |
GB (1) | GB2403497B (en) |
NO (1) | NO20044559L (en) |
WO (1) | WO2003087525A1 (en) |
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WO2004072434A2 (en) * | 2003-02-07 | 2004-08-26 | Weatherford/Lamb, Inc. | Methods and apparatus for wellbore construction and completion |
WO2006012186A1 (en) * | 2004-06-24 | 2006-02-02 | Baker Hughes Incorporated | Drilling systems and methods utilizing independently deployable multiple tubular strings |
US7757784B2 (en) | 2003-11-17 | 2010-07-20 | Baker Hughes Incorporated | Drilling methods utilizing independently deployable multiple tubular strings |
US7900703B2 (en) | 2006-05-15 | 2011-03-08 | Baker Hughes Incorporated | Method of drilling out a reaming tool |
US7954571B2 (en) | 2007-10-02 | 2011-06-07 | Baker Hughes Incorporated | Cutting structures for casing component drillout and earth-boring drill bits including same |
US7954570B2 (en) | 2004-02-19 | 2011-06-07 | Baker Hughes Incorporated | Cutting elements configured for casing component drillout and earth boring drill bits including same |
US8006785B2 (en) | 2004-02-19 | 2011-08-30 | Baker Hughes Incorporated | Casing and liner drilling bits and reamers |
USRE42877E1 (en) | 2003-02-07 | 2011-11-01 | Weatherford/Lamb, Inc. | Methods and apparatus for wellbore construction and completion |
US8245797B2 (en) | 2007-10-02 | 2012-08-21 | Baker Hughes Incorporated | Cutting structures for casing component drillout and earth-boring drill bits including same |
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CA2538196C (en) | 2005-02-28 | 2011-10-11 | Weatherford/Lamb, Inc. | Deep water drilling with casing |
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WO2007009247A1 (en) * | 2005-07-19 | 2007-01-25 | Tesco Corporation | A method for drilling and cementing a well |
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US7857052B2 (en) | 2006-05-12 | 2010-12-28 | Weatherford/Lamb, Inc. | Stage cementing methods used in casing while drilling |
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US9004195B2 (en) | 2012-08-22 | 2015-04-14 | Baker Hughes Incorporated | Apparatus and method for drilling a wellbore, setting a liner and cementing the wellbore during a single trip |
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- 2003-04-02 US US10/405,405 patent/US7234546B2/en not_active Expired - Fee Related
- 2003-04-04 WO PCT/US2003/010324 patent/WO2003087525A1/en not_active Application Discontinuation
- 2003-04-04 CA CA002481800A patent/CA2481800C/en not_active Expired - Fee Related
- 2003-04-04 GB GB0422894A patent/GB2403497B/en not_active Expired - Fee Related
- 2003-04-04 AU AU2003220664A patent/AU2003220664B2/en not_active Ceased
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- 2004-10-22 NO NO20044559A patent/NO20044559L/en not_active Application Discontinuation
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Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004072434A3 (en) * | 2003-02-07 | 2004-12-29 | Weatherford Lamb | Methods and apparatus for wellbore construction and completion |
GB2415451A (en) * | 2003-02-07 | 2005-12-28 | Weatherford Lamb | Methods and apparatus for wellbore construction and completion |
WO2004072434A2 (en) * | 2003-02-07 | 2004-08-26 | Weatherford/Lamb, Inc. | Methods and apparatus for wellbore construction and completion |
GB2428722A (en) * | 2003-02-07 | 2007-02-07 | Weatherford Lamb | Method of cementing a borehole |
GB2415451B (en) * | 2003-02-07 | 2007-02-28 | Weatherford Lamb | Methods and apparatus for wellbore construction and completion |
USRE42877E1 (en) | 2003-02-07 | 2011-11-01 | Weatherford/Lamb, Inc. | Methods and apparatus for wellbore construction and completion |
GB2428722B (en) * | 2003-02-07 | 2007-09-26 | Weatherford Lamb | Methods and apparatus for wellbore construction and completion |
US7757784B2 (en) | 2003-11-17 | 2010-07-20 | Baker Hughes Incorporated | Drilling methods utilizing independently deployable multiple tubular strings |
US8205693B2 (en) | 2004-02-19 | 2012-06-26 | Baker Hughes Incorporated | Casing and liner drilling shoes having selected profile geometries, and related methods |
US8167059B2 (en) | 2004-02-19 | 2012-05-01 | Baker Hughes Incorporated | Casing and liner drilling shoes having spiral blade configurations, and related methods |
US8297380B2 (en) | 2004-02-19 | 2012-10-30 | Baker Hughes Incorporated | Casing and liner drilling shoes having integrated operational components, and related methods |
US8225887B2 (en) | 2004-02-19 | 2012-07-24 | Baker Hughes Incorporated | Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methods |
US7954570B2 (en) | 2004-02-19 | 2011-06-07 | Baker Hughes Incorporated | Cutting elements configured for casing component drillout and earth boring drill bits including same |
US8006785B2 (en) | 2004-02-19 | 2011-08-30 | Baker Hughes Incorporated | Casing and liner drilling bits and reamers |
US8225888B2 (en) | 2004-02-19 | 2012-07-24 | Baker Hughes Incorporated | Casing shoes having drillable and non-drillable cutting elements in different regions and related methods |
US8191654B2 (en) | 2004-02-19 | 2012-06-05 | Baker Hughes Incorporated | Methods of drilling using differing types of cutting elements |
GB2430960B (en) * | 2004-06-24 | 2009-01-21 | Baker Hughes Inc | Drilling systems and methods utilizing independently deployable multiple tubular strings |
WO2006012186A1 (en) * | 2004-06-24 | 2006-02-02 | Baker Hughes Incorporated | Drilling systems and methods utilizing independently deployable multiple tubular strings |
GB2430960A (en) * | 2004-06-24 | 2007-04-11 | Baker Hughes Inc | Drilling systems and methods utilizing independently deployable multiple tubular strings |
US7900703B2 (en) | 2006-05-15 | 2011-03-08 | Baker Hughes Incorporated | Method of drilling out a reaming tool |
US8177001B2 (en) | 2007-10-02 | 2012-05-15 | Baker Hughes Incorporated | Earth-boring tools including abrasive cutting structures and related methods |
US7954571B2 (en) | 2007-10-02 | 2011-06-07 | Baker Hughes Incorporated | Cutting structures for casing component drillout and earth-boring drill bits including same |
US8245797B2 (en) | 2007-10-02 | 2012-08-21 | Baker Hughes Incorporated | Cutting structures for casing component drillout and earth-boring drill bits including same |
WO2013167872A3 (en) * | 2012-05-10 | 2014-04-10 | Geoprober Drilling Limited | Drilling and lining subsea wellbores |
Also Published As
Publication number | Publication date |
---|---|
US20040003944A1 (en) | 2004-01-08 |
NO20044559L (en) | 2004-11-08 |
US7234546B2 (en) | 2007-06-26 |
CA2481800A1 (en) | 2003-10-23 |
AU2003220664B2 (en) | 2008-06-26 |
CA2481800C (en) | 2009-06-23 |
AU2003220664A1 (en) | 2003-10-27 |
GB0422894D0 (en) | 2004-11-17 |
GB2403497B (en) | 2005-08-17 |
GB2403497A (en) | 2005-01-05 |
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