FR497488A - Electric device to detect, measure and indicate the deviation of boreholes - Google Patents

Electric device to detect, measure and indicate the deviation of boreholes

Info

Publication number
FR497488A
FR497488A FR497488A FR497488DA FR497488A FR 497488 A FR497488 A FR 497488A FR 497488 A FR497488 A FR 497488A FR 497488D A FR497488D A FR 497488DA FR 497488 A FR497488 A FR 497488A
Authority
FR
France
Prior art keywords
boreholes
deviation
measure
indicate
detect
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
FR497488A
Other languages
French (fr)
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.)
Simon Carves Ltd
Carves Simon Ltd
Original Assignee
Simon Carves Ltd
Carves Simon 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 Simon Carves Ltd, Carves Simon Ltd filed Critical Simon Carves Ltd
Application granted granted Critical
Publication of FR497488A publication Critical patent/FR497488A/en
Expired legal-status Critical Current

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
    • 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
    • E21B47/0236—Determining 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)
FR497488A 1917-05-04 1919-03-24 Electric device to detect, measure and indicate the deviation of boreholes Expired FR497488A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB497488X 1917-05-04

Publications (1)

Publication Number Publication Date
FR497488A true FR497488A (en) 1919-12-06

Family

ID=1532810

Family Applications (1)

Application Number Title Priority Date Filing Date
FR497488A Expired FR497488A (en) 1917-05-04 1919-03-24 Electric device to detect, measure and indicate the deviation of boreholes

Country Status (1)

Country Link
FR (1) FR497488A (en)

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