ATE393868T1 - METHOD FOR DRILLING OIL AND GAS WELLS - Google Patents

METHOD FOR DRILLING OIL AND GAS WELLS

Info

Publication number
ATE393868T1
ATE393868T1 AT05769431T AT05769431T ATE393868T1 AT E393868 T1 ATE393868 T1 AT E393868T1 AT 05769431 T AT05769431 T AT 05769431T AT 05769431 T AT05769431 T AT 05769431T AT E393868 T1 ATE393868 T1 AT E393868T1
Authority
AT
Austria
Prior art keywords
diameter
well
pipe
radially expandable
curve
Prior art date
Application number
AT05769431T
Other languages
German (de)
Inventor
Philip Head
Paul Lurie
Original Assignee
Bp Exploration Operating
Xl Technology Ltd
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 Bp Exploration Operating, Xl Technology Ltd filed Critical Bp Exploration Operating
Application granted granted Critical
Publication of ATE393868T1 publication Critical patent/ATE393868T1/en

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like

Abstract

When drilling or completing an oil or gas well, it is often desirable to drill a borehole at an angle to the initial borehole. A process for deflecting a well tool towards the wall of a well bore comprises positioning within the well bore a radially expandable pipe designed to curve longitudinally when its diameter is expanded, expanding the diameter of the radially expandable pipe thereby causing the pipe to curve and passing the well tool through the curved pipe: The process is particularly suitable for through-tubing operations in which a lateral bore is initiated from a production well having within the well a smaller diameter production tubing ( 14 ) comprising (i) passing through the production tube ( 14 ) a radially expandable pipe ( 1 ) designed to curve longitudinally as its diameter is expanded, into a section of well bore ( 12 ) having a diameter greater than the diameter of the production tubing ( 14 ) (ii) expanding the diameter of the radially expandable pipe ( 1 ) thereby causing the pipe to curve, (iii) passing through the curved pipe a milling device or drill bit and (iv) milling the casing or drilling into the well bore wall.
AT05769431T 2004-09-09 2005-08-05 METHOD FOR DRILLING OIL AND GAS WELLS ATE393868T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0420002.8A GB0420002D0 (en) 2004-09-09 2004-09-09 Method for drilling oil and gas wells

Publications (1)

Publication Number Publication Date
ATE393868T1 true ATE393868T1 (en) 2008-05-15

Family

ID=33186716

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05769431T ATE393868T1 (en) 2004-09-09 2005-08-05 METHOD FOR DRILLING OIL AND GAS WELLS

Country Status (7)

Country Link
US (1) US20080190624A1 (en)
EP (1) EP1787006B1 (en)
AT (1) ATE393868T1 (en)
CA (1) CA2575603A1 (en)
DE (1) DE602005006426T2 (en)
GB (1) GB0420002D0 (en)
WO (1) WO2006027541A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704876B (en) * 2012-05-28 2014-11-26 中国石油天然气集团公司 Method and tool for putting well completion pipe down by utilizing drill rod
CN104251123B (en) * 2014-09-25 2016-05-25 中国海洋石油总公司 A kind of reusable anti-icing pillar
CN106907115A (en) * 2017-05-04 2017-06-30 西南石油大学 A kind of roller type antifriction pipe nipple

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508587A (en) * 1966-09-29 1970-04-28 Hans A Mauch Tubular structural member
US4258800A (en) * 1979-05-03 1981-03-31 Petro-Drive, Inc. Hinged conductor casing for deviated driving and method therefor
US4497381A (en) * 1983-03-02 1985-02-05 Bechtel National, Inc. Earth drilling apparatus and method
DE8626975U1 (en) * 1986-10-10 1987-03-26 Norsk Hydro A.S., Oslo, No
JPH09122764A (en) * 1995-10-27 1997-05-13 Aisin Seiki Co Ltd Method and device for manufacturing bent tube
US5944107A (en) * 1996-03-11 1999-08-31 Schlumberger Technology Corporation Method and apparatus for establishing branch wells at a node of a parent well
MY122241A (en) * 1997-08-01 2006-04-29 Shell Int Research Creating zonal isolation between the interior and exterior of a well system
US6138761A (en) * 1998-02-24 2000-10-31 Halliburton Energy Services, Inc. Apparatus and methods for completing a wellbore
US6578630B2 (en) * 1999-12-22 2003-06-17 Weatherford/Lamb, Inc. Apparatus and methods for expanding tubulars in a wellbore
BR0213048B1 (en) * 2001-10-05 2015-01-27 Shell Int Research TUBULAR SYSTEM ARRANGED IN A WELL HOLE
US7712522B2 (en) * 2003-09-05 2010-05-11 Enventure Global Technology, Llc Expansion cone and system

Also Published As

Publication number Publication date
DE602005006426D1 (en) 2008-06-12
GB0420002D0 (en) 2004-10-13
EP1787006B1 (en) 2008-04-30
US20080190624A1 (en) 2008-08-14
EP1787006A1 (en) 2007-05-23
CA2575603A1 (en) 2006-03-16
WO2006027541A1 (en) 2006-03-16
DE602005006426T2 (en) 2008-08-14

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Legal Events

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