NL174078C - Inrichting ter bepaling van de orientatierichting van de kop van een boorgereedschap in een boorgat. - Google Patents

Inrichting ter bepaling van de orientatierichting van de kop van een boorgereedschap in een boorgat.

Info

Publication number
NL174078C
NL174078C NLAANVRAGE7115536,A NL7115536A NL174078C NL 174078 C NL174078 C NL 174078C NL 7115536 A NL7115536 A NL 7115536A NL 174078 C NL174078 C NL 174078C
Authority
NL
Netherlands
Prior art keywords
drill
determining
tool head
orientation direction
drill hole
Prior art date
Application number
NLAANVRAGE7115536,A
Other languages
English (en)
Other versions
NL7115536A (nl
NL174078B (nl
Original Assignee
Sperry Sun Inc
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 Sperry Sun Inc filed Critical Sperry Sun Inc
Publication of NL7115536A publication Critical patent/NL7115536A/xx
Publication of NL174078B publication Critical patent/NL174078B/nl
Application granted granted Critical
Publication of NL174078C publication Critical patent/NL174078C/nl

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
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional 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)
NLAANVRAGE7115536,A 1970-11-11 1971-11-11 Inrichting ter bepaling van de orientatierichting van de kop van een boorgereedschap in een boorgat. NL174078C (nl)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NL7115536A NL7115536A (nl) 1972-05-15
NL174078B NL174078B (nl) 1983-11-16
NL174078C true NL174078C (nl) 1984-04-16

Family

ID=10468209

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7115536,A NL174078C (nl) 1970-11-11 1971-11-11 Inrichting ter bepaling van de orientatierichting van de kop van een boorgereedschap in een boorgat.

Country Status (6)

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

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717509Y2 (nl) * 1972-07-05 1982-04-12
JPS5611354Y2 (nl) * 1972-08-17 1981-03-13
JPS4959093U (nl) * 1972-08-31 1974-05-24
JPS5432218Y2 (nl) * 1973-03-22 1979-10-06
JPS558211Y2 (nl) * 1974-06-03 1980-02-23
JPS52134756U (nl) * 1976-04-09 1977-10-13
JPS575830Y2 (nl) * 1977-08-11 1982-02-03
JPS5464283U (nl) * 1977-10-14 1979-05-07
FR2451063A1 (fr) * 1979-03-09 1980-10-03 Crouzet Sa Dispositif de determination de la direction d'une ligne de visee
JPS55161375U (nl) * 1979-05-08 1980-11-19
FR2466607B1 (fr) * 1979-09-27 1985-07-19 Schlumberger Prospection Procede de determination de parametres de direction d'un puits en continu
DE3116947A1 (de) * 1981-04-29 1982-11-18 Teldix Gmbh, 6900 Heidelberg Digitale messanordnung fuer die winkelstellung eines drehbaren magnetischen wechselfelds
FR2542365B1 (fr) * 1983-03-11 1985-10-25 Commissariat Energie Atomique Dispositif de compensation automatique du magnetisme de garnitures de forage
US4674579A (en) * 1985-03-07 1987-06-23 Flowmole Corporation Method and apparatus for installment of underground utilities
EP0357314B1 (en) * 1988-09-02 1993-09-22 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 (nl) 1972-05-15
FR2126981A1 (nl) 1972-10-13
DE2156110A1 (de) 1972-05-18
GB1342475A (en) 1974-01-03
FR2126981B1 (nl) 1975-02-07
CA971357A (en) 1975-07-22
DE2156110C3 (de) 1975-11-27
NL174078B (nl) 1983-11-16
JPS4710293A (nl) 1972-05-24
DE2156110B2 (nl) 1975-04-10

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Legal Events

Date Code Title Description
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: RUSSELL ATTITUDE SYSTEMS LIMITED

DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: CHELTENHAM ATTITUDE SYSTEMS LIMITED

CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: RUSSELL ATTITUDE SYSTEMS LIMITED

CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: NL SPERRY-SUN, INC.

SNR Assignments of patents or rights arising from examined patent applications

Owner name: BAROID TECHNOLOGY, INC.

TNT Modifications of names of proprietors of patents or applicants of examined patent applications

Owner name: SPERRY-SUN DRILLING SERVICES, INC.

V4 Lapsed because of reaching the maximum lifetime of a patent