CA997872A - Method and apparatus for logging well boreholes with gamma rays from the inelastic scattering of fast neutrons - Google Patents

Method and apparatus for logging well boreholes with gamma rays from the inelastic scattering of fast neutrons

Info

Publication number
CA997872A
CA997872A CA179,862A CA179862A CA997872A CA 997872 A CA997872 A CA 997872A CA 179862 A CA179862 A CA 179862A CA 997872 A CA997872 A CA 997872A
Authority
CA
Canada
Prior art keywords
gamma rays
fast neutrons
inelastic scattering
logging well
well boreholes
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
CA179,862A
Other versions
CA179862S (en
Inventor
Richard B. Culver
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries 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
Priority claimed from US294715A external-priority patent/US3886355A/en
Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc
Application granted granted Critical
Publication of CA997872A publication Critical patent/CA997872A/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
    • G01V5/101—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 the secondary Y-rays produced in the surrounding layers of the bore hole
    • G01V5/102—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 the secondary Y-rays produced in the surrounding layers of the bore hole the neutron source being of the pulsed type

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)
  • Geophysics And Detection Of Objects (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
CA179,862A 1972-10-03 1973-08-28 Method and apparatus for logging well boreholes with gamma rays from the inelastic scattering of fast neutrons Expired CA997872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US294715A US3886355A (en) 1971-05-24 1972-10-03 Method and apparatus for logging well boreholes with gamma rays from the inelastic scattering of fast neutrons

Publications (1)

Publication Number Publication Date
CA997872A true CA997872A (en) 1976-09-28

Family

ID=23134617

Family Applications (1)

Application Number Title Priority Date Filing Date
CA179,862A Expired CA997872A (en) 1972-10-03 1973-08-28 Method and apparatus for logging well boreholes with gamma rays from the inelastic scattering of fast neutrons

Country Status (3)

Country Link
JP (1) JPS4972101A (en)
CA (1) CA997872A (en)
DE (1) DE2350243A1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3780301A (en) * 1971-09-20 1973-12-18 Texaco Inc Pulsed neutron logging systems for detecting gas zones

Also Published As

Publication number Publication date
DE2350243A1 (en) 1974-04-25
JPS4972101A (en) 1974-07-12

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