GB9723105D0 - Improvements in subsurface drilling systems - Google Patents

Improvements in subsurface drilling systems

Info

Publication number
GB9723105D0
GB9723105D0 GBGB9723105.4A GB9723105A GB9723105D0 GB 9723105 D0 GB9723105 D0 GB 9723105D0 GB 9723105 A GB9723105 A GB 9723105A GB 9723105 D0 GB9723105 D0 GB 9723105D0
Authority
GB
United Kingdom
Prior art keywords
drilling systems
subsurface drilling
subsurface
systems
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.)
Withdrawn
Application number
GBGB9723105.4A
Other versions
GB2330848A (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.)
ReedHycalog UK Ltd
Original Assignee
Camco International UK 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 Camco International UK Ltd filed Critical Camco International UK Ltd
Priority to GB9723105A priority Critical patent/GB2330848A/en
Publication of GB9723105D0 publication Critical patent/GB9723105D0/en
Publication of GB2330848A publication Critical patent/GB2330848A/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Withdrawn legal-status Critical Current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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/005—Below-ground automatic control systems

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)
GB9723105A 1997-11-01 1997-11-01 Controlling subsurface drilling Withdrawn GB2330848A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9723105A GB2330848A (en) 1997-11-01 1997-11-01 Controlling subsurface drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9723105A GB2330848A (en) 1997-11-01 1997-11-01 Controlling subsurface drilling

Publications (2)

Publication Number Publication Date
GB9723105D0 true GB9723105D0 (en) 1998-01-07
GB2330848A GB2330848A (en) 1999-05-05

Family

ID=10821439

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9723105A Withdrawn GB2330848A (en) 1997-11-01 1997-11-01 Controlling subsurface drilling

Country Status (1)

Country Link
GB (1) GB2330848A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2398091B (en) * 2001-05-14 2005-06-29 Baker Hughes Inc Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
CN101600851A (en) 2007-01-08 2009-12-09 贝克休斯公司 Dynamically control is crept into the drilling assembly and the system of fault and is utilized this drilling assembly and method that system carries out drilling well
CN103388453B (en) * 2012-05-10 2015-11-18 中国石油天然气集团公司 Control two rotating speed method and the device of reaming-while-drillibit bit pressure distribution relation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4721172A (en) * 1985-11-22 1988-01-26 Amoco Corporation Apparatus for controlling the force applied to a drill bit while drilling

Also Published As

Publication number Publication date
GB2330848A (en) 1999-05-05

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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)