FR1192125A - Methods and apparatus for borehole exploration - Google Patents

Methods and apparatus for borehole exploration

Info

Publication number
FR1192125A
FR1192125A FR1192125DA FR1192125A FR 1192125 A FR1192125 A FR 1192125A FR 1192125D A FR1192125D A FR 1192125DA FR 1192125 A FR1192125 A FR 1192125A
Authority
FR
France
Prior art keywords
methods
borehole exploration
borehole
exploration
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.)
Expired
Application number
Other languages
French (fr)
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.)
Schlumberger Well Surveying Corp
Original Assignee
Schlumberger Well Surveying 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 Schlumberger Well Surveying Corp filed Critical Schlumberger Well Surveying Corp
Application granted granted Critical
Publication of FR1192125A publication Critical patent/FR1192125A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
    • G01V5/10—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources
    • G01V5/104—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting secondary Y-rays as well as reflected or back-scattered neutrons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
    • G01V5/14—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using a combination of several sources, e.g. a neutron and a gamma source

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
FR1192125D 1956-03-29 1956-03-29 Methods and apparatus for borehole exploration Expired FR1192125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1192125T 1956-03-29

Publications (1)

Publication Number Publication Date
FR1192125A true FR1192125A (en) 1959-10-23

Family

ID=9667287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1192125D Expired FR1192125A (en) 1956-03-29 1956-03-29 Methods and apparatus for borehole exploration

Country Status (1)

Country Link
FR (1) FR1192125A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495776A1 (en) * 1980-12-08 1982-06-11 Atomic Energy Authority Uk Determining gold content of mined rock - by irradiation with neutrons and measurement of intensity of resultant gamma rays produced by gold reaction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495776A1 (en) * 1980-12-08 1982-06-11 Atomic Energy Authority Uk Determining gold content of mined rock - by irradiation with neutrons and measurement of intensity of resultant gamma rays produced by gold reaction

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