NL36238C - - Google Patents

Info

Publication number
NL36238C
NL36238C NL36238DA NL36238C NL 36238 C NL36238 C NL 36238C NL 36238D A NL36238D A NL 36238DA NL 36238 C NL36238 C NL 36238C
Authority
NL
Netherlands
Application number
Publication of NL36238C publication Critical patent/NL36238C/xx

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

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)
NL36238D NL36238C (en)

Publications (1)

Publication Number Publication Date
NL36238C true NL36238C (en)

Family

ID=1798967

Family Applications (1)

Application Number Title Priority Date Filing Date
NL36238D NL36238C (en)

Country Status (1)

Country Link
NL (1) NL36238C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2792637A (en) * 1952-01-15 1957-05-21 Newmont Mining Corp Apparatus for surveying drill holes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2792637A (en) * 1952-01-15 1957-05-21 Newmont Mining Corp Apparatus for surveying drill holes

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