GB9114885D0 - Stabilizer for a drill string - Google Patents

Stabilizer for a drill string

Info

Publication number
GB9114885D0
GB9114885D0 GB919114885A GB9114885A GB9114885D0 GB 9114885 D0 GB9114885 D0 GB 9114885D0 GB 919114885 A GB919114885 A GB 919114885A GB 9114885 A GB9114885 A GB 9114885A GB 9114885 D0 GB9114885 D0 GB 9114885D0
Authority
GB
United Kingdom
Prior art keywords
stabilizer
drill string
drill
string
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.)
Withdrawn
Application number
GB919114885A
Other versions
GB2257447A (en
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.)
STEELE GEOFFREY
YOUNG GARRIGH J
Original Assignee
STEELE GEOFFREY
YOUNG GARRIGH J
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 STEELE GEOFFREY, YOUNG GARRIGH J filed Critical STEELE GEOFFREY
Priority to GB9114885A priority Critical patent/GB2257447A/en
Publication of GB9114885D0 publication Critical patent/GB9114885D0/en
Publication of GB2257447A publication Critical patent/GB2257447A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
    • E21B17/1064—Pipes or rods with a relatively rotating sleeve

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling And Boring (AREA)
GB9114885A 1991-07-10 1991-07-10 Stabiliser for a drill string Withdrawn GB2257447A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9114885A GB2257447A (en) 1991-07-10 1991-07-10 Stabiliser for a drill string

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9114885A GB2257447A (en) 1991-07-10 1991-07-10 Stabiliser for a drill string

Publications (2)

Publication Number Publication Date
GB9114885D0 true GB9114885D0 (en) 1991-08-28
GB2257447A GB2257447A (en) 1993-01-13

Family

ID=10698125

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9114885A Withdrawn GB2257447A (en) 1991-07-10 1991-07-10 Stabiliser for a drill string

Country Status (1)

Country Link
GB (1) GB2257447A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9317128D0 (en) * 1993-08-17 1993-09-29 Swietlik George Equipment to reduce torque on a drill string
EP0968352B1 (en) 1997-03-11 2005-12-28 Weatherford/Lamb, Inc. Friction reducing tool
GB2331534B (en) 1998-02-23 2000-01-19 Weatherford Lamb Centralizer
US6494274B1 (en) 1998-03-05 2002-12-17 Weatherford/Lamb, Inc. Axle, a friction reducing fitting and an axle installation method
GB9814230D0 (en) * 1998-07-02 1998-09-02 Appleton Robert P Torque reducing substitute
CA2358997C (en) 1999-01-22 2006-10-03 Weatherford/Lamb, Inc. Friction reducing tool and method for its use in a wellbore
GB0002995D0 (en) * 2000-02-10 2000-03-29 Specialised Petroleum Serv Ltd Downhole cleaning tool with shear clutch
US6374914B1 (en) * 2000-05-17 2002-04-23 Fmc Corporation Duel completion bop centralizer
GB0031010D0 (en) * 2000-12-19 2001-01-31 Rastegar Gholam H Torque reducing drillpipe
CA2351978C (en) 2001-06-28 2006-03-14 Halliburton Energy Services, Inc. Drilling direction control device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916998A (en) * 1974-11-05 1975-11-04 Jr Samuel L Bass Drilling stabilizer and method
US4606417A (en) * 1985-04-08 1986-08-19 Webb Derrel D Pressure equalized stabilizer apparatus for drill string
GB2204895B (en) * 1987-05-21 1991-11-27 Stephen Francis Lloyd Drill pipe tubing and casing protectors

Also Published As

Publication number Publication date
GB2257447A (en) 1993-01-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)