GB9214322D0 - Drill bit steering - Google Patents

Drill bit steering

Info

Publication number
GB9214322D0
GB9214322D0 GB929214322A GB9214322A GB9214322D0 GB 9214322 D0 GB9214322 D0 GB 9214322D0 GB 929214322 A GB929214322 A GB 929214322A GB 9214322 A GB9214322 A GB 9214322A GB 9214322 D0 GB9214322 D0 GB 9214322D0
Authority
GB
United Kingdom
Prior art keywords
drill bit
bit steering
steering
drill
bit
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
GB929214322A
Other versions
GB2258875A (en
GB2258875B (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.)
Baroid Technology Inc
Original Assignee
Baroid Technology Inc
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 Baroid Technology Inc filed Critical Baroid Technology Inc
Publication of GB9214322D0 publication Critical patent/GB9214322D0/en
Publication of GB2258875A publication Critical patent/GB2258875A/en
Application granted granted Critical
Publication of GB2258875B publication Critical patent/GB2258875B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/067—Deflecting the direction of boreholes with means for locking sections of a pipe or of a guide for a shaft in angular relation, e.g. adjustable bent sub

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB9214322A 1991-08-17 1992-07-06 Drill bit steering Expired - Lifetime GB2258875B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919117810A GB9117810D0 (en) 1991-08-17 1991-08-17 Drill bit steering

Publications (3)

Publication Number Publication Date
GB9214322D0 true GB9214322D0 (en) 1992-08-19
GB2258875A GB2258875A (en) 1993-02-24
GB2258875B GB2258875B (en) 1995-05-10

Family

ID=10700159

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919117810A Pending GB9117810D0 (en) 1991-08-17 1991-08-17 Drill bit steering
GB9214322A Expired - Lifetime GB2258875B (en) 1991-08-17 1992-07-06 Drill bit steering

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919117810A Pending GB9117810D0 (en) 1991-08-17 1991-08-17 Drill bit steering

Country Status (2)

Country Link
GB (2) GB9117810D0 (en)
NO (1) NO923193L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9210846D0 (en) * 1992-05-21 1992-07-08 Baroid Technology Inc Drill bit steering
GB2369136A (en) * 2000-11-20 2002-05-22 Toolbox Drilling Solutions Ltd A down-hole tool
US7128170B1 (en) 2001-11-15 2006-10-31 Mark Alexander Russell Adjustable stabiliser for directional drilling
GB0618880D0 (en) * 2006-09-26 2006-11-01 Geolink Uk Ltd Direction adjustment tool for downhole drilling apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2641316B1 (en) * 1988-12-30 1995-09-08 Inst Francais Du Petrole LINING FOR BOREHOLE WITH CONTROLLED TRAJECTORY COMPRISING A BENDED ELEMENT WITH VARIABLE ANGLE AND USE OF THIS LINING

Also Published As

Publication number Publication date
GB9117810D0 (en) 1991-10-09
NO923193L (en) 1993-02-18
GB2258875A (en) 1993-02-24
GB2258875B (en) 1995-05-10
NO923193D0 (en) 1992-08-14

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20120705