GB9201508D0 - Improvements in remote sensing - Google Patents

Improvements in remote sensing

Info

Publication number
GB9201508D0
GB9201508D0 GB929201508A GB9201508A GB9201508D0 GB 9201508 D0 GB9201508 D0 GB 9201508D0 GB 929201508 A GB929201508 A GB 929201508A GB 9201508 A GB9201508 A GB 9201508A GB 9201508 D0 GB9201508 D0 GB 9201508D0
Authority
GB
United Kingdom
Prior art keywords
remote sensing
sensing
remote
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Withdrawn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
GB929201508A
Other versions
GB2252169A (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.)
CHARDEC CONSULTANTS Ltd
Original Assignee
CHARDEC CONSULTANTS 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 CHARDEC CONSULTANTS Ltd filed Critical CHARDEC CONSULTANTS Ltd
Publication of GB9201508D0 publication Critical patent/GB9201508D0/en
Publication of GB2252169A publication Critical patent/GB2252169A/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Withdrawn legal-status Critical Current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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/024—Determining slope or direction of devices in the borehole

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB9201508A 1991-01-25 1992-01-24 Detecting roll angle of a borehole tool Withdrawn GB2252169A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919101631A GB9101631D0 (en) 1991-01-25 1991-01-25 Improvements in remote sensing

Publications (2)

Publication Number Publication Date
GB9201508D0 true GB9201508D0 (en) 1992-03-11
GB2252169A GB2252169A (en) 1992-07-29

Family

ID=10688993

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919101631A Pending GB9101631D0 (en) 1991-01-25 1991-01-25 Improvements in remote sensing
GB9201508A Withdrawn GB2252169A (en) 1991-01-25 1992-01-24 Detecting roll angle of a borehole tool

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919101631A Pending GB9101631D0 (en) 1991-01-25 1991-01-25 Improvements in remote sensing

Country Status (3)

Country Link
AU (1) AU1171592A (en)
GB (2) GB9101631D0 (en)
WO (1) WO1992013174A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6588542B2 (en) * 2000-03-14 2003-07-08 Schlumberger Technology Corporation Borehole tool actuating mechanism
US6882937B2 (en) * 2003-02-18 2005-04-19 Pathfinder Energy Services, Inc. Downhole referencing techniques in borehole surveying
GB2401434A (en) * 2003-05-07 2004-11-10 Jhl Concepts Ltd Inertial positioning system for both up-hole and down-hole measurement
EP2317071A1 (en) * 2009-10-30 2011-05-04 Welltec A/S Positioning tool
EP2317070A1 (en) * 2009-10-30 2011-05-04 Welltec A/S Downhole system
EP2546456A1 (en) * 2011-07-11 2013-01-16 Welltec A/S Positioning method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE259567C (en) *
DE269991C (en) *
GB1552863A (en) * 1975-05-12 1979-09-19 Teleco Inc Directional sensing means for borehole drilling devices
US4351116A (en) * 1980-09-12 1982-09-28 Bj-Hughes Inc. Apparatus for making multiple orientation measurements in a drill string
US5064006A (en) * 1988-10-28 1991-11-12 Magrange, Inc Downhole combination tool

Also Published As

Publication number Publication date
GB9101631D0 (en) 1991-03-06
WO1992013174A1 (en) 1992-08-06
GB2252169A (en) 1992-07-29
AU1171592A (en) 1992-08-27

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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)