NO982258L - Roterende boresystem - Google Patents

Roterende boresystem

Info

Publication number
NO982258L
NO982258L NO982258A NO982258A NO982258L NO 982258 L NO982258 L NO 982258L NO 982258 A NO982258 A NO 982258A NO 982258 A NO982258 A NO 982258A NO 982258 L NO982258 L NO 982258L
Authority
NO
Norway
Prior art keywords
drilling system
rotary drilling
rotary
drilling
Prior art date
Application number
NO982258A
Other languages
English (en)
Other versions
NO982258D0 (no
NO307099B1 (no
Inventor
John Denzil Barr
Michael King Russel
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
Priority claimed from GB919113713A external-priority patent/GB9113713D0/en
Priority claimed from GB919118618A external-priority patent/GB9118618D0/en
Application filed by Camco Drilling Group Ltd filed Critical Camco Drilling Group Ltd
Publication of NO982258D0 publication Critical patent/NO982258D0/no
Publication of NO982258L publication Critical patent/NO982258L/no
Publication of NO307099B1 publication Critical patent/NO307099B1/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0085—Adaptations of electric power generating means for use in boreholes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
NO982258A 1991-06-25 1998-05-18 Roterende boresystem NO307099B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919113713A GB9113713D0 (en) 1991-06-25 1991-06-25 Improvements in or relating to steerable rotary drilling systems
GB919118618A GB9118618D0 (en) 1991-08-30 1991-08-30 A drilling system and method

Publications (3)

Publication Number Publication Date
NO982258D0 NO982258D0 (no) 1998-05-18
NO982258L true NO982258L (no) 1998-05-18
NO307099B1 NO307099B1 (no) 2000-02-07

Family

ID=26299127

Family Applications (2)

Application Number Title Priority Date Filing Date
NO920088A NO304802B1 (no) 1991-06-25 1992-06-23 Roterende boresystem
NO982258A NO307099B1 (no) 1991-06-25 1998-05-18 Roterende boresystem

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NO920088A NO304802B1 (no) 1991-06-25 1992-06-23 Roterende boresystem

Country Status (7)

Country Link
US (1) US5265682A (no)
EP (2) EP0677640B1 (no)
AU (1) AU666850B2 (no)
CA (1) CA2072228C (no)
DE (2) DE69229963T2 (no)
GB (2) GB2257182B (no)
NO (2) NO304802B1 (no)

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DE69229963D1 (de) 1999-10-14
EP0677640A1 (en) 1995-10-18
AU1851192A (en) 1993-01-07
DE69211229D1 (de) 1996-07-11
DE69229963T2 (de) 2000-04-20
AU666850B2 (en) 1996-02-29
NO982258D0 (no) 1998-05-18
GB2285651B (en) 1995-10-18
CA2072228C (en) 2002-08-13
US5265682A (en) 1993-11-30
NO922473D0 (no) 1992-06-23
GB9213253D0 (en) 1992-08-05
EP0520733A1 (en) 1992-12-30
DE69211229T2 (de) 1997-02-06
GB2257182A (en) 1993-01-06
NO304802B1 (no) 1999-02-15
EP0677640B1 (en) 1999-09-08
NO922473L (no) 1992-12-28
NO307099B1 (no) 2000-02-07
GB9506053D0 (en) 1995-05-10
EP0520733B1 (en) 1996-06-05
CA2072228A1 (en) 1992-12-26
GB2285651A (en) 1995-07-19
GB2257182B (en) 1995-10-18

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