DK538489D0 - Vaerktoej til brug i borehuller - Google Patents

Vaerktoej til brug i borehuller

Info

Publication number
DK538489D0
DK538489D0 DK538489A DK538489A DK538489D0 DK 538489 D0 DK538489 D0 DK 538489D0 DK 538489 A DK538489 A DK 538489A DK 538489 A DK538489 A DK 538489A DK 538489 D0 DK538489 D0 DK 538489D0
Authority
DK
Denmark
Prior art keywords
drills
tools
Prior art date
Application number
DK538489A
Other languages
English (en)
Other versions
DK174567B1 (da
DK538489A (da
Inventor
Robert L Waters
Ii Otis V Stelly
George F Roberts
Philip H Walters
Howard Charles Clark
Don D Fitzgerald
Original Assignee
Magrange Inc
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 Magrange Inc filed Critical Magrange Inc
Publication of DK538489D0 publication Critical patent/DK538489D0/da
Publication of DK538489A publication Critical patent/DK538489A/da
Application granted granted Critical
Publication of DK174567B1 publication Critical patent/DK174567B1/da

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
    • E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
    • E21B47/092—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting magnetic anomalies
    • 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
    • E21B47/0228—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor
    • 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
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
DK198905384A 1988-10-28 1989-10-27 Anlæg til brug i borehuller DK174567B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26444588 1988-10-28
US07/264,445 US5064006A (en) 1988-10-28 1988-10-28 Downhole combination tool

Publications (3)

Publication Number Publication Date
DK538489D0 true DK538489D0 (da) 1989-10-27
DK538489A DK538489A (da) 1990-04-29
DK174567B1 DK174567B1 (da) 2003-06-10

Family

ID=23006104

Family Applications (1)

Application Number Title Priority Date Filing Date
DK198905384A DK174567B1 (da) 1988-10-28 1989-10-27 Anlæg til brug i borehuller

Country Status (9)

Country Link
US (1) US5064006A (da)
EP (1) EP0366567A3 (da)
BR (1) BR8907132A (da)
CA (1) CA2001745C (da)
DK (1) DK174567B1 (da)
MX (1) MX171679B (da)
MY (1) MY106320A (da)
NO (1) NO301184B1 (da)
WO (1) WO1990004697A1 (da)

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Also Published As

Publication number Publication date
CA2001745C (en) 2004-04-27
MX171679B (es) 1993-11-10
WO1990004697A1 (en) 1990-05-03
EP0366567A2 (en) 1990-05-02
DK174567B1 (da) 2003-06-10
BR8907132A (pt) 1991-02-13
CA2001745A1 (en) 1990-04-28
NO301184B1 (no) 1997-09-22
EP0366567A3 (en) 1992-08-19
NO894316L (no) 1990-04-30
DK538489A (da) 1990-04-29
MY106320A (en) 1995-05-30
US5064006A (en) 1991-11-12
NO894316D0 (no) 1989-10-30

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