NO960591D0 - Anordning ved boresystem - Google Patents

Anordning ved boresystem

Info

Publication number
NO960591D0
NO960591D0 NO960591A NO960591A NO960591D0 NO 960591 D0 NO960591 D0 NO 960591D0 NO 960591 A NO960591 A NO 960591A NO 960591 A NO960591 A NO 960591A NO 960591 D0 NO960591 D0 NO 960591D0
Authority
NO
Norway
Prior art keywords
drilling system
drilling
Prior art date
Application number
NO960591A
Other languages
English (en)
Other versions
NO960591L (no
NO309906B1 (no
Inventor
John Denzil Barr
Original Assignee
Camco Drilling Group 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 Drilling Group Ltd filed Critical Camco Drilling Group Ltd
Publication of NO960591D0 publication Critical patent/NO960591D0/no
Publication of NO960591L publication Critical patent/NO960591L/no
Publication of NO309906B1 publication Critical patent/NO309906B1/no

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
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes

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)
NO960591A 1995-02-25 1996-02-15 Retningsenhet for anvendelse i et styrbart rotasjonsboringssystem, og fremgangsmÕte for drift av retningsendrerenheten NO309906B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9503830.3A GB9503830D0 (en) 1995-02-25 1995-02-25 "Improvements in or relating to steerable rotary drilling systems"

Publications (3)

Publication Number Publication Date
NO960591D0 true NO960591D0 (no) 1996-02-15
NO960591L NO960591L (no) 1996-08-26
NO309906B1 NO309906B1 (no) 2001-04-17

Family

ID=10770259

Family Applications (1)

Application Number Title Priority Date Filing Date
NO960591A NO309906B1 (no) 1995-02-25 1996-02-15 Retningsenhet for anvendelse i et styrbart rotasjonsboringssystem, og fremgangsmÕte for drift av retningsendrerenheten

Country Status (7)

Country Link
US (1) US5706905A (no)
EP (1) EP0728907B1 (no)
AU (1) AU713499B2 (no)
CA (1) CA2170174C (no)
DE (1) DE69609743T2 (no)
GB (2) GB9503830D0 (no)
NO (1) NO309906B1 (no)

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NO960591L (no) 1996-08-26
GB2298215A (en) 1996-08-28
AU713499B2 (en) 1999-12-02
CA2170174A1 (en) 1996-08-26
EP0728907B1 (en) 2000-08-16
GB9503830D0 (en) 1995-04-19
AU4550196A (en) 1996-09-05
DE69609743T2 (de) 2001-04-12
EP0728907A3 (en) 1997-08-06
GB2298215B (en) 1998-06-17
GB9603105D0 (en) 1996-04-10
CA2170174C (en) 2006-09-12
DE69609743D1 (de) 2000-09-21
US5706905A (en) 1998-01-13
EP0728907A2 (en) 1996-08-28
NO309906B1 (no) 2001-04-17

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