FR2126981B1 - - Google Patents

Info

Publication number
FR2126981B1
FR2126981B1 FR7140421A FR7140421A FR2126981B1 FR 2126981 B1 FR2126981 B1 FR 2126981B1 FR 7140421 A FR7140421 A FR 7140421A FR 7140421 A FR7140421 A FR 7140421A FR 2126981 B1 FR2126981 B1 FR 2126981B1
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
FR7140421A
Other languages
French (fr)
Other versions
FR2126981A1 (en
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.)
RUSSELL ANTHONY GB
Original Assignee
RUSSELL ANTHONY GB
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 RUSSELL ANTHONY GB filed Critical RUSSELL ANTHONY GB
Publication of FR2126981A1 publication Critical patent/FR2126981A1/fr
Application granted granted Critical
Publication of FR2126981B1 publication Critical patent/FR2126981B1/fr
Expired legal-status Critical Current

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
    • 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
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
FR7140421A 1970-11-11 1971-11-10 Expired FR2126981B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5355270 1970-11-11

Publications (2)

Publication Number Publication Date
FR2126981A1 FR2126981A1 (en) 1972-10-13
FR2126981B1 true FR2126981B1 (en) 1975-02-07

Family

ID=10468209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7140421A Expired FR2126981B1 (en) 1970-11-11 1971-11-10

Country Status (6)

Country Link
JP (1) JPS4710293A (en)
CA (1) CA971357A (en)
DE (1) DE2156110C3 (en)
FR (1) FR2126981B1 (en)
GB (1) GB1342475A (en)
NL (1) NL174078C (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717509Y2 (en) * 1972-07-05 1982-04-12
JPS5611354Y2 (en) * 1972-08-17 1981-03-13
JPS4959093U (en) * 1972-08-31 1974-05-24
JPS5432218Y2 (en) * 1973-03-22 1979-10-06
JPS558211Y2 (en) * 1974-06-03 1980-02-23
JPS52134756U (en) * 1976-04-09 1977-10-13
JPS575830Y2 (en) * 1977-08-11 1982-02-03
JPS5464283U (en) * 1977-10-14 1979-05-07
FR2451063A1 (en) * 1979-03-09 1980-10-03 Crouzet Sa DEVICE FOR DETERMINING THE DIRECTION OF A SIGHTLINE
JPS55161375U (en) * 1979-05-08 1980-11-19
FR2466607B1 (en) * 1979-09-27 1985-07-19 Schlumberger Prospection METHOD FOR DETERMINING STEERING PARAMETERS OF A CONTINUOUS WELL
DE3116947A1 (en) * 1981-04-29 1982-11-18 Teldix Gmbh, 6900 Heidelberg Digital measuring arrangement for the angular position of an alternating rotatable magnetic field
FR2542365B1 (en) * 1983-03-11 1985-10-25 Commissariat Energie Atomique DEVICE FOR AUTOMATICALLY COMPENSATING FOR MAGNETISM OF WELL LINES
US4674579A (en) * 1985-03-07 1987-06-23 Flowmole Corporation Method and apparatus for installment of underground utilities
DE68909355T2 (en) * 1988-09-02 1994-03-31 British Gas Plc Device for controlling the position of a self-propelled drilling tool.
GB2409900B (en) 2004-01-09 2006-05-24 Statoil Asa Processing seismic data representing a physical system
GB2435693A (en) 2006-02-09 2007-09-05 Electromagnetic Geoservices As Seabed electromagnetic surveying
GB2439378B (en) 2006-06-09 2011-03-16 Electromagnetic Geoservices As Instrument for measuring electromagnetic signals
GB2441787A (en) * 2006-09-15 2008-03-19 Electromagnetic Geoservices As Method of determining the orientation of an electric and magnetic receiver deployed remotely
GB2442749B (en) 2006-10-12 2010-05-19 Electromagnetic Geoservices As Positioning system
GB2445582A (en) 2007-01-09 2008-07-16 Statoil Asa Method for analysing data from an electromagnetic survey

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1240830A (en) * 1967-10-05 1971-07-28 Scient Driving Controls Improvements in or relating to indicating instruments

Also Published As

Publication number Publication date
NL7115536A (en) 1972-05-15
DE2156110B2 (en) 1975-04-10
CA971357A (en) 1975-07-22
DE2156110A1 (en) 1972-05-18
JPS4710293A (en) 1972-05-24
DE2156110C3 (en) 1975-11-27
GB1342475A (en) 1974-01-03
NL174078B (en) 1983-11-16
NL174078C (en) 1984-04-16
FR2126981A1 (en) 1972-10-13

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name
TP Transmission of property
TP Transmission of property
TP Transmission of property