GB2378201B - Drill bit stabilizer - Google Patents

Drill bit stabilizer

Info

Publication number
GB2378201B
GB2378201B GB0222519A GB0222519A GB2378201B GB 2378201 B GB2378201 B GB 2378201B GB 0222519 A GB0222519 A GB 0222519A GB 0222519 A GB0222519 A GB 0222519A GB 2378201 B GB2378201 B GB 2378201B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
drill bit
bit stabilizer
stabilizer
drill
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.)
Expired - Fee Related
Application number
GB0222519A
Other versions
GB2378201A (en )
GB0222519D0 (en )
Inventor
Peter R Harvey
Michael J Woods
Steven J Krase
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.)
Rotary Drilling Tech LLC
Original Assignee
Rotary Drilling Tech LLC
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
Grant date

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
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods ; Cables; Casings; Tubings
    • E21B17/10Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014Flexible or expansible centering means, e.g. with pistons pressing against the wall of the 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
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods ; Cables; Casings; Tubings
    • E21B17/10Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1057Centralising devices with rollers or with a relatively rotating sleeve
    • E21B17/1064Pipes or rods with a relatively rotating sleeve
    • 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
    • E21B23/00Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
    • E21B23/04Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells operated by fluid means, e.g. actuated by explosion
    • 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
    • E21B47/01Devices for supporting measuring instruments on a drill pipe, rod or wireline ; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
GB0222519A 2000-03-22 2001-03-19 Drill bit stabilizer Expired - Fee Related GB2378201B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US53272500 true 2000-03-22 2000-03-22
PCT/US2001/008703 WO2001071149A3 (en) 2000-03-22 2001-03-19 Drill bit stabilizer and method of use

Publications (3)

Publication Number Publication Date
GB0222519D0 true GB0222519D0 (en) 2002-11-06
GB2378201A true GB2378201A (en) 2003-02-05
GB2378201B true GB2378201B (en) 2004-08-04

Family

ID=24122896

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0222519A Expired - Fee Related GB2378201B (en) 2000-03-22 2001-03-19 Drill bit stabilizer

Country Status (5)

Country Link
US (1) US20030111270A1 (en)
CA (1) CA2403727A1 (en)
DE (1) DE10195959T1 (en)
GB (1) GB2378201B (en)
WO (1) WO2001071149A3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2517310C (en) * 2003-02-28 2015-11-24 Chugai Seiyaku Kabushiki Kaisha Stabilized protein-containing formulations comprising a poloxamer
US6896050B2 (en) 2003-05-15 2005-05-24 Ps Technology, Inc. Latching system for maintaining position of component within a downhole drill string section
WO2013082376A1 (en) * 2011-12-02 2013-06-06 Schlumberger Canada Limited Pressure actuated centralizer

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071101A (en) * 1976-03-08 1978-01-31 Walker-Neer Mfg. Co., Inc. Stabilizer for single or dual tube drilling
US4071285A (en) * 1976-09-07 1978-01-31 Smith International, Inc. Stabilizer
US4080010A (en) * 1976-09-07 1978-03-21 Smith International, Inc. Tandem roller stabilizer for earth boring apparatus
US4606417A (en) * 1985-04-08 1986-08-19 Webb Derrel D Pressure equalized stabilizer apparatus for drill string
US4635736A (en) * 1985-11-22 1987-01-13 Shirley Kirk R Drill steering apparatus
US4683956A (en) * 1984-10-15 1987-08-04 Russell Larry R Method and apparatus for operating multiple tools in a well
US4989679A (en) * 1987-12-23 1991-02-05 Institut Francais Du Petrol Centering device that can be engaged or disengaged, specifically for a drilling assembly
US5038872A (en) * 1990-06-11 1991-08-13 Shirley Kirk R Drill steering apparatus
WO1993011334A1 (en) * 1991-12-04 1993-06-10 Charles Abernethy Anderson Downhole stabiliser
US5265684A (en) * 1991-11-27 1993-11-30 Baroid Technology, Inc. Downhole adjustable stabilizer and method
US5603386A (en) * 1992-03-05 1997-02-18 Ledge 101 Limited Downhole tool for controlling the drilling course of a borehole
US5957223A (en) * 1997-03-05 1999-09-28 Baker Hughes Incorporated Bi-center drill bit with enhanced stabilizing features
US6227312B1 (en) * 1997-12-04 2001-05-08 Halliburton Energy Services, Inc. Drilling system and method

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071101A (en) * 1976-03-08 1978-01-31 Walker-Neer Mfg. Co., Inc. Stabilizer for single or dual tube drilling
US4071285A (en) * 1976-09-07 1978-01-31 Smith International, Inc. Stabilizer
US4080010A (en) * 1976-09-07 1978-03-21 Smith International, Inc. Tandem roller stabilizer for earth boring apparatus
US4683956A (en) * 1984-10-15 1987-08-04 Russell Larry R Method and apparatus for operating multiple tools in a well
US4606417A (en) * 1985-04-08 1986-08-19 Webb Derrel D Pressure equalized stabilizer apparatus for drill string
US4635736A (en) * 1985-11-22 1987-01-13 Shirley Kirk R Drill steering apparatus
US4989679A (en) * 1987-12-23 1991-02-05 Institut Francais Du Petrol Centering device that can be engaged or disengaged, specifically for a drilling assembly
US5038872A (en) * 1990-06-11 1991-08-13 Shirley Kirk R Drill steering apparatus
US5265684A (en) * 1991-11-27 1993-11-30 Baroid Technology, Inc. Downhole adjustable stabilizer and method
US5293945A (en) * 1991-11-27 1994-03-15 Baroid Technology, Inc. Downhole adjustable stabilizer
WO1993011334A1 (en) * 1991-12-04 1993-06-10 Charles Abernethy Anderson Downhole stabiliser
US5511627A (en) * 1991-12-04 1996-04-30 Anderson; Charles A. Downhole stabiliser
US5603386A (en) * 1992-03-05 1997-02-18 Ledge 101 Limited Downhole tool for controlling the drilling course of a borehole
US5957223A (en) * 1997-03-05 1999-09-28 Baker Hughes Incorporated Bi-center drill bit with enhanced stabilizing features
US6227312B1 (en) * 1997-12-04 2001-05-08 Halliburton Energy Services, Inc. Drilling system and method

Also Published As

Publication number Publication date Type
CA2403727A1 (en) 2001-09-27 application
WO2001071149A2 (en) 2001-09-27 application
WO2001071149A3 (en) 2002-03-14 application
GB2378201A (en) 2003-02-05 application
GB0222519D0 (en) 2002-11-06 application
DE10195959T1 (en) 2003-10-30 grant
DE10195959T0 (en) grant
US20030111270A1 (en) 2003-06-19 application

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070319