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CA1137299A - Instrument d'examen de forages - Google Patents

Instrument d'examen de forages

Info

Publication number
CA1137299A
CA1137299A CA000351995A CA351995A CA1137299A CA 1137299 A CA1137299 A CA 1137299A CA 000351995 A CA000351995 A CA 000351995A CA 351995 A CA351995 A CA 351995A CA 1137299 A CA1137299 A CA 1137299A
Authority
CA
Canada
Prior art keywords
instrument
inclinometers
drill hole
survey instrument
rigid member
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.)
Expired
Application number
CA000351995A
Other languages
English (en)
Inventor
Duncan G. Sands
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.)
TRENDOR Pty Ltd
Original Assignee
TRENDOR Pty 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 TRENDOR Pty Ltd filed Critical TRENDOR Pty Ltd
Application granted granted Critical
Publication of CA1137299A publication Critical patent/CA1137299A/fr
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/02Determining slope or direction
    • E21B47/022Determining slope or direction of the borehole, e.g. using geomagnetism
    • E21B47/0236Determining slope or direction of the borehole, e.g. using geomagnetism using a pendulum

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
CA000351995A 1979-06-01 1980-05-15 Instrument d'examen de forages Expired CA1137299A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPD9037 1979-06-01
AUPD903779 1979-06-01

Publications (1)

Publication Number Publication Date
CA1137299A true CA1137299A (fr) 1982-12-14

Family

ID=3768131

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000351995A Expired CA1137299A (fr) 1979-06-01 1980-05-15 Instrument d'examen de forages

Country Status (3)

Country Link
CA (1) CA1137299A (fr)
GB (1) GB2052757B (fr)
ZA (1) ZA802904B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19837546C2 (de) * 1998-08-19 2001-07-26 Bilfinger Berger Bau Meßvorrichtung zum Bestimmen der Ausrichtung und des Verlaufs eines Bohrgestänges

Also Published As

Publication number Publication date
GB2052757A (en) 1981-01-28
GB2052757B (en) 1983-08-10
ZA802904B (en) 1981-05-27

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Legal Events

Date Code Title Description
MKEX Expiry