ITMI911219A0 - IMPROVEMENTS RELATING TO THE SYSTEM OF GUIDING A TOOL ALONG AN UNDERGROUND PATH - Google Patents

IMPROVEMENTS RELATING TO THE SYSTEM OF GUIDING A TOOL ALONG AN UNDERGROUND PATH

Info

Publication number
ITMI911219A0
ITMI911219A0 IT91MI1219A ITMI911219A ITMI911219A0 IT MI911219 A0 ITMI911219 A0 IT MI911219A0 IT 91MI1219 A IT91MI1219 A IT 91MI1219A IT MI911219 A ITMI911219 A IT MI911219A IT MI911219 A0 ITMI911219 A0 IT MI911219A0
Authority
IT
Italy
Prior art keywords
guiding
improvements relating
tool along
underground path
underground
Prior art date
Application number
IT91MI1219A
Other languages
Italian (it)
Inventor
Nicholas Peter Wallis
Anne Holmes
Original Assignee
Baroid Technology 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 Baroid Technology Inc filed Critical Baroid Technology Inc
Publication of ITMI911219A0 publication Critical patent/ITMI911219A0/en
Publication of ITMI911219A1 publication Critical patent/ITMI911219A1/en
Application granted granted Critical
Publication of IT1248782B publication Critical patent/IT1248782B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • 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
    • E21B47/0228—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor
    • E21B47/0232—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor at least one of the energy sources or one of the detectors being located on or above the ground surface
    • 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
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Earth Drilling (AREA)
ITMI911219A 1990-05-04 1991-05-03 IMPROVEMENTS RELATED TO THE GUIDE SYSTEM OF A TOOL ALONG AN UNDERGROUND ROUTE IT1248782B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909010096A GB9010096D0 (en) 1990-05-04 1990-05-04 Improvements in or relating to guiding of a tool along a subterranean path

Publications (3)

Publication Number Publication Date
ITMI911219A0 true ITMI911219A0 (en) 1991-05-03
ITMI911219A1 ITMI911219A1 (en) 1992-11-03
IT1248782B IT1248782B (en) 1995-01-28

Family

ID=10675506

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI911219A IT1248782B (en) 1990-05-04 1991-05-03 IMPROVEMENTS RELATED TO THE GUIDE SYSTEM OF A TOOL ALONG AN UNDERGROUND ROUTE

Country Status (7)

Country Link
CA (1) CA2041622A1 (en)
DE (1) DE4114784A1 (en)
FR (1) FR2661712A1 (en)
GB (2) GB9010096D0 (en)
IT (1) IT1248782B (en)
NL (1) NL9100772A (en)
NO (1) NO911740L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5515931A (en) * 1994-11-15 1996-05-14 Vector Magnetics, Inc. Single-wire guidance system for drilling boreholes
CN113464120B (en) * 2021-09-06 2021-12-03 中国石油集团川庆钻探工程有限公司 Tool face state prediction method and system, and sliding directional drilling method and system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529682A (en) * 1968-10-03 1970-09-22 Bell Telephone Labor Inc Location detection and guidance systems for burrowing device
US4710708A (en) * 1981-04-27 1987-12-01 Develco Method and apparatus employing received independent magnetic field components of a transmitted alternating magnetic field for determining location
GB2175096A (en) * 1985-05-07 1986-11-19 Radiodetection Ltd Electromagnetic transducer assemblies and means for determining relative speed and/or configuration using such assemblies
US4875014A (en) * 1988-07-20 1989-10-17 Tensor, Inc. System and method for locating an underground probe having orthogonally oriented magnetometers

Also Published As

Publication number Publication date
DE4114784A1 (en) 1991-11-07
NO911740D0 (en) 1991-05-03
CA2041622A1 (en) 1991-11-05
GB9010096D0 (en) 1990-06-27
GB2243693A (en) 1991-11-06
ITMI911219A1 (en) 1992-11-03
NO911740L (en) 1991-11-05
GB9109116D0 (en) 1991-06-12
NL9100772A (en) 1991-12-02
FR2661712A1 (en) 1991-11-08
IT1248782B (en) 1995-01-28

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Legal Events

Date Code Title Description
0001 Granted