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AU506516B2 - Well-logging with fast neutrons - Google Patents

Well-logging with fast neutrons

Info

Publication number
AU506516B2
AU506516B2 AU31595/77A AU3159577A AU506516B2 AU 506516 B2 AU506516 B2 AU 506516B2 AU 31595/77 A AU31595/77 A AU 31595/77A AU 3159577 A AU3159577 A AU 3159577A AU 506516 B2 AU506516 B2 AU 506516B2
Authority
AU
Australia
Prior art keywords
logging
well
fast neutrons
neutrons
fast
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
AU31595/77A
Other versions
AU3159577A (en
Inventor
H. D. Jr. Smith M. P. and Schultz WE Smith
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 US05/789,057 external-priority patent/US4122339A/en
Priority claimed from US05/789,058 external-priority patent/US4134011A/en
Priority claimed from US05/789,059 external-priority patent/US4122340A/en
Application filed by Texaco Development Corp filed Critical Texaco Development Corp
Publication of AU3159577A publication Critical patent/AU3159577A/en
Application granted granted Critical
Publication of AU506516B2 publication Critical patent/AU506516B2/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
    • G01V5/105—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 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)
AU31595/77A 1977-04-20 1977-12-15 Well-logging with fast neutrons Expired AU506516B2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
USUS789,057 1977-04-20
USUS789,058 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
US05/789,059 US4122340A (en) 1977-04-20 1977-04-20 Pulsed neutron porosity logging system
USUS789,059 1977-04-20

Publications (2)

Publication Number Publication Date
AU3159577A AU3159577A (en) 1979-07-05
AU506516B2 true AU506516B2 (en) 1980-01-10

Family

ID=27419865

Family Applications (1)

Application Number Title Priority Date Filing Date
AU31595/77A Expired AU506516B2 (en) 1977-04-20 1977-12-15 Well-logging with fast neutrons

Country Status (9)

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

Families Citing this family (5)

* 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
EP1579202B1 (en) 2002-12-10 2007-04-18 Commonwealth Scientific And Industrial Research Organisation Radiographic equipment
DE102005039702A1 (en) * 2005-08-23 2007-04-26 IUT Institut für Umwelttechnologien GmbH Identifying substances with water by neutron back scattering involves irradiating substance with neutron source, recording/measuring thermalised and fast back-scattered neutrons, forming quotient for independence from geometric factors
US12504556B2 (en) 2021-02-11 2025-12-23 China Petroleum & Chemical Corporation Method and apparatus for obtaining formation density
US11906692B2 (en) * 2021-02-11 2024-02-20 China Petroleum & Chemical Corporation Nuclear logging tools and applications thereof

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
BR7801603A (en) 1978-12-05
FR2388269B1 (en) 1984-03-16
DE2756328A1 (en) 1978-10-26
FR2388269A1 (en) 1978-11-17
GB1582589A (en) 1981-01-14
NO774306L (en) 1978-10-23
MX4924E (en) 1983-01-03
CA1103814A (en) 1981-06-23
NZ185984A (en) 1981-10-19
NO147009B (en) 1982-10-04
AU3159577A (en) 1979-07-05
NO147009C (en) 1983-01-12

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