DK0628127T3 - Borehulsværktøj til styring af boreretningen af et borehul - Google Patents

Borehulsværktøj til styring af boreretningen af et borehul

Info

Publication number
DK0628127T3
DK0628127T3 DK93905522.4T DK93905522T DK0628127T3 DK 0628127 T3 DK0628127 T3 DK 0628127T3 DK 93905522 T DK93905522 T DK 93905522T DK 0628127 T3 DK0628127 T3 DK 0628127T3
Authority
DK
Denmark
Prior art keywords
borehole
controlling
drilling direction
tool
borehole tool
Prior art date
Application number
DK93905522.4T
Other languages
Danish (da)
English (en)
Inventor
David Webster
Original Assignee
Ledge 101 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 Ledge 101 Ltd filed Critical Ledge 101 Ltd
Application granted granted Critical
Publication of DK0628127T3 publication Critical patent/DK0628127T3/da

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
    • 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
    • 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
    • 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 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
    • E21B7/062—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)
DK93905522.4T 1992-03-05 1993-03-05 Borehulsværktøj til styring af boreretningen af et borehul DK0628127T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929204910A GB9204910D0 (en) 1992-03-05 1992-03-05 Downhole tool

Publications (1)

Publication Number Publication Date
DK0628127T3 true DK0628127T3 (da) 1997-10-27

Family

ID=10711632

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93905522.4T DK0628127T3 (da) 1992-03-05 1993-03-05 Borehulsværktøj til styring af boreretningen af et borehul

Country Status (10)

Country Link
US (1) US5603386A (fr)
EP (1) EP0628127B1 (fr)
AU (1) AU673996B2 (fr)
BR (1) BR9306019A (fr)
CA (1) CA2131456C (fr)
DE (1) DE69314327T2 (fr)
DK (1) DK0628127T3 (fr)
GB (1) GB9204910D0 (fr)
NO (1) NO306632B1 (fr)
WO (1) WO1993018273A1 (fr)

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Also Published As

Publication number Publication date
US5603386A (en) 1997-02-18
DE69314327D1 (de) 1997-11-06
EP0628127A1 (fr) 1994-12-14
GB9204910D0 (en) 1992-04-22
NO943265L (no) 1994-11-03
NO943265D0 (no) 1994-09-02
EP0628127B1 (fr) 1997-10-01
DE69314327T2 (de) 1998-01-29
AU3642293A (en) 1993-10-05
AU673996B2 (en) 1996-12-05
WO1993018273A1 (fr) 1993-09-16
CA2131456A1 (fr) 1993-09-16
BR9306019A (pt) 1997-11-18
CA2131456C (fr) 2002-01-22
NO306632B1 (no) 1999-11-29

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