CA1103814A - Feuille de porosite de formations terrestres, avec mesure du spectre energetique des neutrons rapides - Google Patents

Feuille de porosite de formations terrestres, avec mesure du spectre energetique des neutrons rapides

Info

Publication number
CA1103814A
CA1103814A CA300,725A CA300725A CA1103814A CA 1103814 A CA1103814 A CA 1103814A CA 300725 A CA300725 A CA 300725A CA 1103814 A CA1103814 A CA 1103814A
Authority
CA
Canada
Prior art keywords
neutron
fast
source
borehole
detector
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
CA300,725A
Other languages
English (en)
Inventor
Harry D. Smith, Jr.
Michael P. Smith
Ward E. Schultz
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.)
Texaco Development Corp
Original Assignee
Texaco Development 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
Priority claimed from US05/789,059 external-priority patent/US4122340A/en
Priority claimed from US05/789,057 external-priority patent/US4122339A/en
Priority claimed from US05/789,058 external-priority patent/US4134011A/en
Application filed by Texaco Development Corp filed Critical Texaco Development Corp
Application granted granted Critical
Publication of CA1103814A publication Critical patent/CA1103814A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08Prospecting 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
    • G01V5/10Prospecting 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
    • G01V5/104Prospecting 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
    • G01V5/105Prospecting 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 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)
  • Sampling And Sample Adjustment (AREA)
CA300,725A 1977-04-20 1978-04-10 Feuille de porosite de formations terrestres, avec mesure du spectre energetique des neutrons rapides Expired CA1103814A (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US789,058 1977-04-20
US05/789,059 US4122340A (en) 1977-04-20 1977-04-20 Pulsed neutron porosity logging system
US789,059 1977-04-20
US05/789,057 US4122339A (en) 1977-04-20 1977-04-20 Earth formation pulsed neutron porosity logging system utilizing epithermal neutron and inelastic scattering gamma ray detectors
US05/789,058 US4134011A (en) 1977-04-20 1977-04-20 Earth formation porosity log using measurement of fast neutron energy spectrum
US789,057 1977-04-20

Publications (1)

Publication Number Publication Date
CA1103814A true CA1103814A (fr) 1981-06-23

Family

ID=27419865

Family Applications (1)

Application Number Title Priority Date Filing Date
CA300,725A Expired CA1103814A (fr) 1977-04-20 1978-04-10 Feuille de porosite de formations terrestres, avec mesure du spectre energetique des neutrons rapides

Country Status (9)

Country Link
AU (1) AU506516B2 (fr)
BR (1) BR7801603A (fr)
CA (1) CA1103814A (fr)
DE (1) DE2756328A1 (fr)
FR (1) FR2388269A1 (fr)
GB (1) GB1582589A (fr)
MX (1) MX4924E (fr)
NO (1) NO147009C (fr)
NZ (1) NZ185984A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631405A (en) * 1984-12-05 1986-12-23 Halliburton Company Method and apparatus for dual-spaced fast/epithermal neutron porosity measurements
CA2508169C (fr) 2002-12-10 2012-07-17 Brian David Sowerby Materiel radiographique
DE102005039702A1 (de) * 2005-08-23 2007-04-26 IUT Institut für Umwelttechnologien GmbH Verfahren zur Identifizierung von Substanzen mittels Neutronenrückstreuung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971094A (en) * 1956-12-27 1961-02-07 Gulf Research Development Co Well logging
US3214587A (en) * 1961-05-12 1965-10-26 Dresser Ind Radioactivity well logging apparatus utilizing a scintillation detector
GB1065784A (en) * 1964-04-07 1967-04-19 Dresser Ind Improvements in or relating to method and apparatus for pulsed well logging
US3491238A (en) * 1966-08-16 1970-01-20 Mobil Oil Corp Porosity logging employing two thermal neutron detectors spaced relatively far from neutron source
US3691378A (en) * 1970-06-26 1972-09-12 Dresser Ind Simultaneous pulsed neutron well logging
US3774033A (en) * 1972-05-17 1973-11-20 Texaco Inc Dual spaced epithermal neutron detector porosity logging

Also Published As

Publication number Publication date
NZ185984A (en) 1981-10-19
AU506516B2 (en) 1980-01-10
GB1582589A (en) 1981-01-14
MX4924E (es) 1983-01-03
NO774306L (no) 1978-10-23
BR7801603A (pt) 1978-12-05
NO147009C (no) 1983-01-12
NO147009B (no) 1982-10-04
DE2756328A1 (de) 1978-10-26
AU3159577A (en) 1979-07-05
FR2388269A1 (fr) 1978-11-17
FR2388269B1 (fr) 1984-03-16

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Legal Events

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