ITMI911219A1 - IMPROVEMENTS RELATED TO THE GUIDE SYSTEM OF A TOOL ALONG AN UNDERGROUND ROUTE - Google Patents

IMPROVEMENTS RELATED TO THE GUIDE SYSTEM OF A TOOL ALONG AN UNDERGROUND ROUTE

Info

Publication number
ITMI911219A1
ITMI911219A1 IT001219A ITMI911219A ITMI911219A1 IT MI911219 A1 ITMI911219 A1 IT MI911219A1 IT 001219 A IT001219 A IT 001219A IT MI911219 A ITMI911219 A IT MI911219A IT MI911219 A1 ITMI911219 A1 IT MI911219A1
Authority
IT
Italy
Prior art keywords
guide system
tool along
improvements related
underground route
underground
Prior art date
Application number
IT001219A
Other languages
Italian (it)
Inventor
Anne Holmes
Nicholas Peter Wallis
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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
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 ITMI911219A0 (en) 1991-05-03
ITMI911219A1 true 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
NL9100772A (en) 1991-12-02
GB9010096D0 (en) 1990-06-27
GB9109116D0 (en) 1991-06-12
ITMI911219A0 (en) 1991-05-03
GB2243693A (en) 1991-11-06
IT1248782B (en) 1995-01-28
FR2661712A1 (en) 1991-11-08
NO911740L (en) 1991-11-05
NO911740D0 (en) 1991-05-03
CA2041622A1 (en) 1991-11-05

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Legal Events

Date Code Title Description
0001 Granted