FR1085717A - Device for determining the gradient and direction of boreholes in the ground - Google Patents

Device for determining the gradient and direction of boreholes in the ground

Info

Publication number
FR1085717A
FR1085717A FR1085717DA FR1085717A FR 1085717 A FR1085717 A FR 1085717A FR 1085717D A FR1085717D A FR 1085717DA FR 1085717 A FR1085717 A FR 1085717A
Authority
FR
France
Prior art keywords
boreholes
gradient
ground
determining
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
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.)
SVENSKA DIAMANTBERGBORRNINGS AB
Original Assignee
SVENSKA DIAMANTBERGBORRNINGS AB
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 SVENSKA DIAMANTBERGBORRNINGS AB filed Critical SVENSKA DIAMANTBERGBORRNINGS AB
Application granted granted Critical
Publication of FR1085717A publication Critical patent/FR1085717A/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)
FR1085717D 1952-10-28 1953-10-28 Device for determining the gradient and direction of boreholes in the ground Expired FR1085717A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1085717X 1952-10-28

Publications (1)

Publication Number Publication Date
FR1085717A true FR1085717A (en) 1955-02-07

Family

ID=20419838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1085717D Expired FR1085717A (en) 1952-10-28 1953-10-28 Device for determining the gradient and direction of boreholes in the ground

Country Status (1)

Country Link
FR (1) FR1085717A (en)

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