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FR2361671A1 - Procede et appareil de reperage de corps souterrains a partir d'un trou de forage - Google Patents

Procede et appareil de reperage de corps souterrains a partir d'un trou de forage

Info

Publication number
FR2361671A1
FR2361671A1 FR7715196A FR7715196A FR2361671A1 FR 2361671 A1 FR2361671 A1 FR 2361671A1 FR 7715196 A FR7715196 A FR 7715196A FR 7715196 A FR7715196 A FR 7715196A FR 2361671 A1 FR2361671 A1 FR 2361671A1
Authority
FR
France
Prior art keywords
borehole
intensity
locating underground
underground bodies
bodies
Prior art date
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.)
Granted
Application number
FR7715196A
Other languages
English (en)
Other versions
FR2361671B1 (fr
Inventor
Fred J Morris
George R Roberts
Robert L Waters
Thora Carlisle
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.)
Houston Oil and Minerals Corp
Original Assignee
Houston Oil and Minerals Corp
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 Houston Oil and Minerals Corp filed Critical Houston Oil and Minerals Corp
Publication of FR2361671A1 publication Critical patent/FR2361671A1/fr
Application granted granted Critical
Publication of FR2361671B1 publication Critical patent/FR2361671B1/fr
Granted legal-status Critical Current

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • 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
    • 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
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

L'invention se rapporte au repérage d'objets souterrains émettant un champ magnétique ou électrique. Elle se caractérise en ce qu'on mesure 124, 132, 134 l'intensité du champ reçu en au moins deux emplacements situés dans le trou de forage, en ce qu'on mesure le gradient de cette intensité et en ce qu'on en déduit la distance et la direction de l'objet. Une application importante est celle d'un trou de décharge décalé de la verticale, devant rencontrer un puits existant
FR7715196A 1976-05-12 1977-05-12 Procede et appareil de reperage de corps souterrains a partir d'un trou de forage Granted FR2361671A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/685,936 US4072200A (en) 1976-05-12 1976-05-12 Surveying of subterranean magnetic bodies from an adjacent off-vertical borehole

Publications (2)

Publication Number Publication Date
FR2361671A1 true FR2361671A1 (fr) 1978-03-10
FR2361671B1 FR2361671B1 (fr) 1982-07-23

Family

ID=24754268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7715196A Granted FR2361671A1 (fr) 1976-05-12 1977-05-12 Procede et appareil de reperage de corps souterrains a partir d'un trou de forage

Country Status (8)

Country Link
US (1) US4072200A (fr)
CA (1) CA1057354A (fr)
DK (1) DK166877A (fr)
FR (1) FR2361671A1 (fr)
GB (1) GB1585479A (fr)
HK (1) HK11882A (fr)
NL (1) NL187771C (fr)
NO (1) NO147693C (fr)

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DK166877A (da) 1977-11-13
US4072200A (en) 1978-02-07
NO771588L (no) 1977-11-15
NL187771B (nl) 1991-08-01
FR2361671B1 (fr) 1982-07-23
CA1057354A (fr) 1979-06-26
NO147693B (no) 1983-02-14
GB1585479A (en) 1981-03-04
HK11882A (en) 1982-03-19
NL7704513A (nl) 1977-11-15
NL187771C (nl) 1992-01-02
NO147693C (no) 1983-05-25

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