NL6909624A - - Google Patents

Info

Publication number
NL6909624A
NL6909624A NL6909624A NL6909624A NL6909624A NL 6909624 A NL6909624 A NL 6909624A NL 6909624 A NL6909624 A NL 6909624A NL 6909624 A NL6909624 A NL 6909624A NL 6909624 A NL6909624 A NL 6909624A
Authority
NL
Netherlands
Application number
NL6909624A
Other versions
NL162990B (en
NL162990C (en
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 filed Critical
Publication of NL6909624A publication Critical patent/NL6909624A/xx
Publication of NL162990B publication Critical patent/NL162990B/en
Application granted granted Critical
Publication of NL162990C publication Critical patent/NL162990C/en

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
    • E21B47/024—Determining slope or direction of devices in the borehole
    • 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)
  • Earth Drilling (AREA)
NL6909624.A 1968-06-24 1969-06-24 DEVICE FOR INDICATING AN ANGLE OF A DRILL ROD IN A DRILL HOLE. NL162990C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73955068A 1968-06-24 1968-06-24

Publications (3)

Publication Number Publication Date
NL6909624A true NL6909624A (en) 1969-12-30
NL162990B NL162990B (en) 1980-02-15
NL162990C NL162990C (en) 1980-07-15

Family

ID=24972819

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6909624.A NL162990C (en) 1968-06-24 1969-06-24 DEVICE FOR INDICATING AN ANGLE OF A DRILL ROD IN A DRILL HOLE.

Country Status (8)

Country Link
US (1) US3584386A (en)
JP (1) JPS4931904B1 (en)
AT (1) AT292606B (en)
DE (1) DE1931636C3 (en)
FR (1) FR2014181A1 (en)
GB (1) GB1232517A (en)
NL (1) NL162990C (en)
NO (1) NO127022B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465065A1 (en) * 1979-09-10 1981-03-20 Dresser Ind Drilling tool angle inclination indicator - has drill collar device which is hollow for mud flow path which creates sensed output
DE3231397A1 (en) * 1982-08-24 1984-03-01 Bayer Ag, 5090 Leverkusen USE OF CARBONYL COMPOUNDS AND / OR HETEROANALOGIC CARBONYL COMPOUNDS AS A STABILIZING AGENT FOR SOLUTIONS CONTAINING PYROCARCOURED ACYLEDIUM CYLESTER AND POLYISUBYANITATE-ZONATE COMPOUNDS
CN108627140B (en) * 2018-06-15 2024-03-26 佛山科学技术学院 Inclinometer measurement auxiliary device

Also Published As

Publication number Publication date
DE1931636B2 (en) 1973-03-29
DE1931636A1 (en) 1970-01-02
NL162990B (en) 1980-02-15
US3584386A (en) 1971-06-15
AT292606B (en) 1971-09-10
GB1232517A (en) 1971-05-19
JPS4931904B1 (en) 1974-08-26
NL162990C (en) 1980-07-15
FR2014181A1 (en) 1970-04-17
NO127022B (en) 1973-04-24
DE1931636C3 (en) 1973-10-18

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Legal Events

Date Code Title Description
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: BJ-HUGHES, INC.

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