GB8606518D0 - Drilling apparatus - Google Patents

Drilling apparatus

Info

Publication number
GB8606518D0
GB8606518D0 GB868606518A GB8606518A GB8606518D0 GB 8606518 D0 GB8606518 D0 GB 8606518D0 GB 868606518 A GB868606518 A GB 868606518A GB 8606518 A GB8606518 A GB 8606518A GB 8606518 D0 GB8606518 D0 GB 8606518D0
Authority
GB
United Kingdom
Prior art keywords
drilling apparatus
drilling
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
GB868606518A
Other versions
GB2172324B (en
GB2172324A (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.)
Cambridge Radiation Tech
Original Assignee
Cambridge Radiation Tech
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
Priority claimed from GB858506866A external-priority patent/GB8506866D0/en
Priority claimed from GB08517749A external-priority patent/GB2177738B/en
Application filed by Cambridge Radiation Tech filed Critical Cambridge Radiation Tech
Priority to GB08606518A priority Critical patent/GB2172324B/en
Publication of GB8606518D0 publication Critical patent/GB8606518D0/en
Publication of GB2172324A publication Critical patent/GB2172324A/en
Application granted granted Critical
Publication of GB2172324B publication Critical patent/GB2172324B/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • E21B7/062—Deflecting the direction of boreholes the tool shaft rotating inside a non-rotating guide travelling with the shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
GB08606518A 1985-03-16 1986-03-17 Drilling apparatus Expired GB2172324B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08606518A GB2172324B (en) 1985-03-16 1986-03-17 Drilling apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB858506866A GB8506866D0 (en) 1985-03-16 1985-03-16 Control of drilling courses
GB08517749A GB2177738B (en) 1985-07-13 1985-07-13 Control of drilling courses in the drilling of bore holes
GB08606518A GB2172324B (en) 1985-03-16 1986-03-17 Drilling apparatus

Publications (3)

Publication Number Publication Date
GB8606518D0 true GB8606518D0 (en) 1986-04-23
GB2172324A GB2172324A (en) 1986-09-17
GB2172324B GB2172324B (en) 1988-07-20

Family

ID=27262624

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08606518A Expired GB2172324B (en) 1985-03-16 1986-03-17 Drilling apparatus

Country Status (1)

Country Link
GB (1) GB2172324B (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1001450A3 (en) * 1988-02-12 1989-10-31 Smet Marc Jozef Maria Tunnelling machine with jet nozzle - has remote-controlled units on head selectively varying body shape
US5038872A (en) * 1990-06-11 1991-08-13 Shirley Kirk R Drill steering apparatus
US6607044B1 (en) * 1997-10-27 2003-08-19 Halliburton Energy Services, Inc. Three dimensional steerable system and method for steering bit to drill borehole
US7306058B2 (en) 1998-01-21 2007-12-11 Halliburton Energy Services, Inc. Anti-rotation device for a steerable rotary drilling device
US6340063B1 (en) 1998-01-21 2002-01-22 Halliburton Energy Services, Inc. Steerable rotary directional drilling method
US6092610A (en) * 1998-02-05 2000-07-25 Schlumberger Technology Corporation Actively controlled rotary steerable system and method for drilling wells
US6158529A (en) * 1998-12-11 2000-12-12 Schlumberger Technology Corporation Rotary steerable well drilling system utilizing sliding sleeve
US6269892B1 (en) 1998-12-21 2001-08-07 Dresser Industries, Inc. Steerable drilling system and method
US6109372A (en) * 1999-03-15 2000-08-29 Schlumberger Technology Corporation Rotary steerable well drilling system utilizing hydraulic servo-loop
US6948572B2 (en) 1999-07-12 2005-09-27 Halliburton Energy Services, Inc. Command method for a steerable rotary drilling device
CA2474223C (en) 1999-07-12 2008-04-01 Halliburton Energy Services, Inc. Fulcrum bearing assembly for a steerable rotary drilling device
EP1163419B1 (en) 1999-11-10 2004-06-16 Schlumberger Holdings Limited Control method for use with a steerable drilling system
EP1278976B1 (en) 2000-05-02 2009-06-17 Halliburton Energy Services, Inc. Seal assembly for limiting the movement of a seal within a seal housing
CA2307433C (en) 2000-05-02 2004-04-13 Halliburton Energy Services, Inc. Seal assembly for limiting the movement of a seal within a seal housing
US6840336B2 (en) 2001-06-05 2005-01-11 Schlumberger Technology Corporation Drilling tool with non-rotating sleeve
CA2494237C (en) 2001-06-28 2008-03-25 Halliburton Energy Services, Inc. Drill tool shaft-to-housing locking device
US7066284B2 (en) 2001-11-14 2006-06-27 Halliburton Energy Services, Inc. Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell
US7245229B2 (en) 2003-07-01 2007-07-17 Pathfinder Energy Services, Inc. Drill string rotation encoding
CA2448723C (en) 2003-11-07 2008-05-13 Halliburton Energy Services, Inc. Variable gauge drilling apparatus and method of assembly thereof
AT501933A1 (en) * 2004-07-26 2006-12-15 Albrecht Walter BORING DEVICE
US7222681B2 (en) 2005-02-18 2007-05-29 Pathfinder Energy Services, Inc. Programming method for controlling a downhole steering tool
US8590636B2 (en) 2006-04-28 2013-11-26 Schlumberger Technology Corporation Rotary steerable drilling system
US8065085B2 (en) 2007-10-02 2011-11-22 Gyrodata, Incorporated System and method for measuring depth and velocity of instrumentation within a wellbore using a bendable tool
US8185312B2 (en) 2008-10-22 2012-05-22 Gyrodata, Incorporated Downhole surveying utilizing multiple measurements
US8095317B2 (en) 2008-10-22 2012-01-10 Gyrodata, Incorporated Downhole surveying utilizing multiple measurements
US8065087B2 (en) 2009-01-30 2011-11-22 Gyrodata, Incorporated Reducing error contributions to gyroscopic measurements from a wellbore survey system
US8408331B2 (en) 2010-01-08 2013-04-02 Schlumberger Technology Corporation Downhole downlinking system employing a differential pressure transducer
WO2011126760A2 (en) 2010-03-30 2011-10-13 Gyrodata, Incorporated Bending of a shaft of a steerable borehole drilling tool
US8792304B2 (en) 2010-05-24 2014-07-29 Schlumberger Technology Corporation Downlinking communication system and method using signal transition detection
US8570833B2 (en) 2010-05-24 2013-10-29 Schlumberger Technology Corporation Downlinking communication system and method
US9038750B2 (en) 2011-06-08 2015-05-26 Gas Technology Institute Rotary joint for subterranean drilling

Also Published As

Publication number Publication date
GB2172324B (en) 1988-07-20
GB2172324A (en) 1986-09-17

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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)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
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

Effective date: 20060316