CA2037394A1 - Determination de l'interference magnetique dans un puits de forage - Google Patents

Determination de l'interference magnetique dans un puits de forage

Info

Publication number
CA2037394A1
CA2037394A1 CA002037394A CA2037394A CA2037394A1 CA 2037394 A1 CA2037394 A1 CA 2037394A1 CA 002037394 A CA002037394 A CA 002037394A CA 2037394 A CA2037394 A CA 2037394A CA 2037394 A1 CA2037394 A1 CA 2037394A1
Authority
CA
Canada
Prior art keywords
magnetic
drill collar
detectors
axis
measurements
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002037394A
Other languages
English (en)
Inventor
David Morgan
Anne Holmes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baroid Technology Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2037394A1 publication Critical patent/CA2037394A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/022—Measuring gradient
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/28—Electromagnetic compasses
    • G01C17/30—Earth-inductor compasses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Geophysics And Detection Of Objects (AREA)
CA002037394A 1990-03-03 1991-03-01 Determination de l'interference magnetique dans un puits de forage Abandoned CA2037394A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9004812A GB2241583A (en) 1990-03-03 1990-03-03 Determination of magnetic interference in a borehole
GB9004812-5 1990-03-03

Publications (1)

Publication Number Publication Date
CA2037394A1 true CA2037394A1 (fr) 1991-09-04

Family

ID=10671962

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002037394A Abandoned CA2037394A1 (fr) 1990-03-03 1991-03-01 Determination de l'interference magnetique dans un puits de forage

Country Status (6)

Country Link
CA (1) CA2037394A1 (fr)
DE (1) DE4106849A1 (fr)
FR (1) FR2659145A1 (fr)
GB (1) GB2241583A (fr)
NL (1) NL9100343A (fr)
NO (1) NO910824L (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9409550D0 (en) * 1994-05-12 1994-06-29 Halliburton Co Location determination using vector measurements
GB2314163A (en) * 1996-06-14 1997-12-17 Western Atlas Int Inc Orientation measurement instruments

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE755895A (fr) * 1969-09-24 1971-02-15 Commissariat Energie Atomique Procede et dispositif de compensation de l'influence des champsmagnetiques parasites d'un helicoptere
GB1578053A (en) * 1977-02-25 1980-10-29 Russell Attitude Syst Ltd Surveying of boreholes
FR2542365B1 (fr) * 1983-03-11 1985-10-25 Commissariat Energie Atomique Dispositif de compensation automatique du magnetisme de garnitures de forage
GB8906233D0 (en) * 1989-03-17 1989-05-04 Russell Anthony W Surveying of boreholes

Also Published As

Publication number Publication date
NO910824D0 (no) 1991-03-01
NL9100343A (nl) 1991-10-01
DE4106849A1 (de) 1991-09-05
GB9004812D0 (en) 1990-04-25
FR2659145A1 (fr) 1991-09-06
GB2241583A (en) 1991-09-04
NO910824L (no) 1991-09-04

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Legal Events

Date Code Title Description
FZDE Discontinued