NO952235L - Anordning og fremgangsmåte for bruk ved avviksboring - Google Patents

Anordning og fremgangsmåte for bruk ved avviksboring

Info

Publication number
NO952235L
NO952235L NO952235A NO952235A NO952235L NO 952235 L NO952235 L NO 952235L NO 952235 A NO952235 A NO 952235A NO 952235 A NO952235 A NO 952235A NO 952235 L NO952235 L NO 952235L
Authority
NO
Norway
Prior art keywords
deviation drilling
drilling
deviation
Prior art date
Application number
NO952235A
Other languages
English (en)
Other versions
NO315433B1 (no
NO952235D0 (no
Inventor
David L Malone
Jacques J H Orban
Original Assignee
Anadrill Int Sa
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 Anadrill Int Sa filed Critical Anadrill Int Sa
Publication of NO952235D0 publication Critical patent/NO952235D0/no
Publication of NO952235L publication Critical patent/NO952235L/no
Publication of NO315433B1 publication Critical patent/NO315433B1/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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • 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
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • 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
    • E21B7/064—Deflecting the direction of boreholes specially adapted drill bits therefor

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)
  • Drilling And Boring (AREA)
NO19952235A 1994-06-07 1995-06-06 Anordning og fremgangsmåte for bruk ved avviksboring NO315433B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/255,135 US5421420A (en) 1994-06-07 1994-06-07 Downhole weight-on-bit control for directional drilling

Publications (3)

Publication Number Publication Date
NO952235D0 NO952235D0 (no) 1995-06-06
NO952235L true NO952235L (no) 1995-12-08
NO315433B1 NO315433B1 (no) 2003-09-01

Family

ID=22966990

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19952235A NO315433B1 (no) 1994-06-07 1995-06-06 Anordning og fremgangsmåte for bruk ved avviksboring

Country Status (4)

Country Link
US (1) US5421420A (no)
EP (1) EP0686752B1 (no)
DE (1) DE69516756D1 (no)
NO (1) NO315433B1 (no)

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Also Published As

Publication number Publication date
NO315433B1 (no) 2003-09-01
US5421420A (en) 1995-06-06
DE69516756D1 (de) 2000-06-15
EP0686752B1 (en) 2000-05-10
NO952235D0 (no) 1995-06-06
EP0686752A1 (en) 1995-12-13

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