GB2113386B - Method and apparatus for measuring thermal neutron characteristics - Google Patents

Method and apparatus for measuring thermal neutron characteristics

Info

Publication number
GB2113386B
GB2113386B GB08228889A GB8228889A GB2113386B GB 2113386 B GB2113386 B GB 2113386B GB 08228889 A GB08228889 A GB 08228889A GB 8228889 A GB8228889 A GB 8228889A GB 2113386 B GB2113386 B GB 2113386B
Authority
GB
United Kingdom
Prior art keywords
thermal neutron
measuring thermal
neutron characteristics
measuring
thermal
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
GB08228889A
Other versions
GB2113386A (en
Inventor
Charles W Johnstone
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 NV
Schlumberger Ltd USA
Original Assignee
Schlumberger NV
Schlumberger Ltd USA
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 US05/955,175 external-priority patent/US4223218A/en
Priority claimed from US05/955,176 external-priority patent/US4224516A/en
Application filed by Schlumberger NV, Schlumberger Ltd USA filed Critical Schlumberger NV
Publication of GB2113386A publication Critical patent/GB2113386A/en
Application granted granted Critical
Publication of GB2113386B publication Critical patent/GB2113386B/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
    • G01V5/107—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 reflected or back-scattered neutrons
    • G01V5/108—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 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)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
GB08228889A 1978-10-26 1982-10-08 Method and apparatus for measuring thermal neutron characteristics Expired GB2113386B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/955,175 US4223218A (en) 1978-10-26 1978-10-26 Methods and apparatus for optimizing measurements of thermal neutron decay characteristics
US05/955,176 US4224516A (en) 1978-10-26 1978-10-26 Methods and apparatus for measuring thermal neutron decay characteristics of earth formations

Publications (2)

Publication Number Publication Date
GB2113386A GB2113386A (en) 1983-08-03
GB2113386B true GB2113386B (en) 1983-12-21

Family

ID=27130364

Family Applications (4)

Application Number Title Priority Date Filing Date
GB7935429A Expired GB2036303B (en) 1978-10-26 1979-10-12 Method and apparatus for measuring thermal neutron characteristics
GB08228823A Expired GB2113385B (en) 1978-10-26 1982-10-08 Method and apparatus for measuring thermal neutron characteristics
GB08228889A Expired GB2113386B (en) 1978-10-26 1982-10-08 Method and apparatus for measuring thermal neutron characteristics
GB08228890A Expired GB2113387B (en) 1978-10-26 1982-10-08 Method of measuring thermal neutron characteristics

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB7935429A Expired GB2036303B (en) 1978-10-26 1979-10-12 Method and apparatus for measuring thermal neutron characteristics
GB08228823A Expired GB2113385B (en) 1978-10-26 1982-10-08 Method and apparatus for measuring thermal neutron characteristics

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08228890A Expired GB2113387B (en) 1978-10-26 1982-10-08 Method of measuring thermal neutron characteristics

Country Status (11)

Country Link
AU (1) AU532895B2 (en)
DE (1) DE2941535A1 (en)
EG (1) EG14646A (en)
ES (1) ES485366A0 (en)
FR (1) FR2440004A1 (en)
GB (4) GB2036303B (en)
IE (1) IE49620B1 (en)
IT (1) IT1125588B (en)
MY (1) MY8500178A (en)
NL (1) NL7907391A (en)
NO (1) NO793185L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1162660A (en) * 1980-08-28 1984-02-21 Harry D. Smith Method for simultaneous measurement of borehole and formation neutron lifetimes
CA1162659A (en) * 1980-08-28 1984-02-21 Ward E. Schultz Method for simultaneous measurement of borehole and formation neutron lifetimes employing iterative fitting
CA1165017A (en) * 1980-08-28 1984-04-03 Harold E. Peelman System for simultaneous measurement of borehole and formation neutron lifetimes
US4445033A (en) * 1981-09-14 1984-04-24 Schlumberger Technology Corporation Methods and apparatus for environmental correction of thermal neutron logs
GB8331914D0 (en) * 1983-11-30 1984-01-04 Atomic Energy Authority Uk Inspection of buried pipelines
US4712007A (en) * 1985-04-01 1987-12-08 S.I.E., Inc. Pulsed neutron logging method using cumulative count curves
CN115788421B (en) * 2023-02-14 2023-05-09 山东交通学院 Integrated natural gamma energy spectrum logging instrument

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL70135C (en) * 1946-12-04 1952-01-15 Philips Nv
US3566116A (en) * 1966-11-08 1971-02-23 Schlumberger Technology Corp Method and apparatus for measuring neutron characteristics of a material surrounding a well bore
US3379882A (en) * 1967-03-16 1968-04-23 Dresser Ind Method and apparatus for neutron well logging based on the lifetime of neutrons in the formations
US3890501A (en) * 1973-05-01 1975-06-17 Schlumberger Technology Corp Neutron logging reliability techniques and apparatus

Also Published As

Publication number Publication date
IE49620B1 (en) 1985-11-13
NL7907391A (en) 1980-04-29
FR2440004A1 (en) 1980-05-23
GB2113387A (en) 1983-08-03
GB2113385A (en) 1983-08-03
MY8500178A (en) 1985-12-31
GB2113387B (en) 1983-12-21
FR2440004B1 (en) 1984-12-21
IE791847L (en) 1980-04-26
ES8103385A1 (en) 1981-02-16
DE2941535A1 (en) 1980-05-08
GB2113385B (en) 1983-12-21
AU5155579A (en) 1980-05-01
EG14646A (en) 1985-03-31
GB2036303B (en) 1983-08-17
GB2113386A (en) 1983-08-03
AU532895B2 (en) 1983-10-20
IT7926758A0 (en) 1979-10-24
GB2036303A (en) 1980-06-25
IT1125588B (en) 1986-05-14
ES485366A0 (en) 1981-02-16
NO793185L (en) 1980-04-29

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19991011