FR535304A - - Google Patents

Info

Publication number
FR535304A
FR535304A FR535304DA FR535304A FR 535304 A FR535304 A FR 535304A FR 535304D A FR535304D A FR 535304DA FR 535304 A FR535304 A FR 535304A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR535304A publication Critical patent/FR535304A/fr
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)
FR535304D Expired FR535304A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
FR535304A true FR535304A (enrdf_load_stackoverflow) 1922-04-13

Family

ID=1537214

Family Applications (1)

Application Number Title Priority Date Filing Date
FR535304D Expired FR535304A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
FR (1) FR535304A (enrdf_load_stackoverflow)

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