GB2373272B - Tool for variable directional actuation - Google Patents

Tool for variable directional actuation

Info

Publication number
GB2373272B
GB2373272B GB0206229A GB0206229A GB2373272B GB 2373272 B GB2373272 B GB 2373272B GB 0206229 A GB0206229 A GB 0206229A GB 0206229 A GB0206229 A GB 0206229A GB 2373272 B GB2373272 B GB 2373272B
Authority
GB
United Kingdom
Prior art keywords
tool
variable directional
directional actuation
actuation
variable
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
GB0206229A
Other versions
GB0206229D0 (en
GB2373272A (en
Inventor
Philip Head
Mike Yuratich
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.)
TSL Technology Ltd
XL Technology Ltd
Original Assignee
TSL Technology Ltd
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 TSL Technology Ltd, XL Technology Ltd filed Critical TSL Technology Ltd
Publication of GB0206229D0 publication Critical patent/GB0206229D0/en
Publication of GB2373272A publication Critical patent/GB2373272A/en
Application granted granted Critical
Publication of GB2373272B publication Critical patent/GB2373272B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
GB0206229A 2001-03-15 2002-03-15 Tool for variable directional actuation Expired - Fee Related GB2373272B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0106368A GB0106368D0 (en) 2001-03-15 2001-03-15 Method and apparatus for directional actuation

Publications (3)

Publication Number Publication Date
GB0206229D0 GB0206229D0 (en) 2002-05-01
GB2373272A GB2373272A (en) 2002-09-18
GB2373272B true GB2373272B (en) 2003-07-23

Family

ID=9910720

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0106368A Ceased GB0106368D0 (en) 2000-06-16 2001-03-15 Method and apparatus for directional actuation
GB0206229A Expired - Fee Related GB2373272B (en) 2001-03-15 2002-03-15 Tool for variable directional actuation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0106368A Ceased GB0106368D0 (en) 2000-06-16 2001-03-15 Method and apparatus for directional actuation

Country Status (1)

Country Link
GB (2) GB0106368D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009148323A1 (en) * 2008-06-05 2009-12-10 Norwegian Hard Rock Drilling As Rock drilling machine

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0524998D0 (en) * 2005-12-08 2006-01-18 Schlumberger Holdings Steerable drilling system
GB0904055D0 (en) 2009-03-10 2009-04-22 Russell Michael K Hydraulic torque control system
CN101713279B (en) * 2009-11-04 2013-01-02 中国石油大学(北京) Deviation prevention and fast drilling technology of eccentric drilling tool assembly
CA2922546C (en) 2013-10-16 2017-11-28 Halliburton Energy Services, Inc. Downhole mud motor with adjustable bend angle
WO2015099652A1 (en) 2013-12-23 2015-07-02 Halliburton Energy Services Inc. Surface actuated downhole adjustable mud motor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743034A (en) * 1971-05-03 1973-07-03 Shell Oil Co Steerable drill string
GB2347951A (en) * 1999-03-15 2000-09-20 Schlumberger Holdings Rotary steerable well-drilling system utilizing hydraulic servo-loop
WO2001046549A1 (en) * 1999-12-20 2001-06-28 Halliburton Energy Services, Inc. Three dimensional steerable system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743034A (en) * 1971-05-03 1973-07-03 Shell Oil Co Steerable drill string
GB2347951A (en) * 1999-03-15 2000-09-20 Schlumberger Holdings Rotary steerable well-drilling system utilizing hydraulic servo-loop
WO2001046549A1 (en) * 1999-12-20 2001-06-28 Halliburton Energy Services, Inc. Three dimensional steerable system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009148323A1 (en) * 2008-06-05 2009-12-10 Norwegian Hard Rock Drilling As Rock drilling machine

Also Published As

Publication number Publication date
GB0206229D0 (en) 2002-05-01
GB2373272A (en) 2002-09-18
GB0106368D0 (en) 2001-05-02

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Legal Events

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

Effective date: 20110315