CA962378A - 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
CA962378A
CA962378A CA140,963A CA140963A CA962378A CA 962378 A CA962378 A CA 962378A CA 140963 A CA140963 A CA 140963A CA 962378 A CA962378 A CA 962378A
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
CA140,963A
Other languages
English (en)
Other versions
CA140963S (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
Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc
Priority to CA200,081A priority Critical patent/CA965191A/en
Application granted granted Critical
Publication of CA962378A publication Critical patent/CA962378A/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 nuclear radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of nuclear 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 nuclear 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 nuclear 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of nuclear 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 nuclear 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 nuclear 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 nuclear 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of nuclear 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 nuclear 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of nuclear 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 nuclear 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
    • G01V5/145—Prospecting or detecting by the use of nuclear 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 using a neutron source combined with a gamma- or X-ray source
CA140,963A 1971-05-24 1972-05-01 Method and apparatus for logging well boreholes with gamma rays from the inelastic scattering of fast neutrons Expired CA962378A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA200,081A CA965191A (en) 1971-05-24 1974-05-16 Method and apparatus for logging well boreholes with gamma rays from the inelastic scattering of fast neutrons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14633271A 1971-05-24 1971-05-24

Publications (1)

Publication Number Publication Date
CA962378A true CA962378A (en) 1975-02-04

Family

ID=22516889

Family Applications (1)

Application Number Title Priority Date Filing Date
CA140,963A Expired CA962378A (en) 1971-05-24 1972-05-01 Method and apparatus for logging well boreholes with gamma rays from the inelastic scattering of fast neutrons

Country Status (5)

Country Link
US (1) US3787686A (es)
JP (1) JPS5544917B1 (es)
AR (1) AR194730A1 (es)
CA (1) CA962378A (es)
DE (1) DE2223403C3 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973131A (en) * 1974-12-26 1976-08-03 Texaco Inc. Pulsed neutron logging: multipurpose logging sonde for changing types of logs in the borehole without bringing the sonde to the surface
US20030188666A1 (en) * 2002-04-09 2003-10-09 Johnson Howard E. Grout for earth heat exchange systems
AU2003267553A1 (en) * 2002-08-30 2004-03-19 Sensor Highway Limited Method and apparatus for logging a well using fiber optics
CA2508169C (en) * 2002-12-10 2012-07-17 Brian David Sowerby Radiographic equipment
US20160187527A1 (en) * 2014-12-30 2016-06-30 Schlumberger Technology Corporation Collocated radiation sensing
EP3271550B1 (en) 2015-03-17 2020-12-02 Halliburton Energy Services, Inc. Gamma analysis of cement
EP3707535B1 (en) 2017-11-08 2023-06-14 Baker Hughes Holdings Llc Evaluation of formation composition using neutron induced gamma spectroscopy tools
US11143786B2 (en) 2018-07-05 2021-10-12 Halliburton Energy Services, Inc. Intrinsic geological formation carbon to oxygen ratio measurements

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215836A (en) * 1952-04-09 1965-11-02 Schlumberger Well Surv Corp Apparatus and methods relating to production of neutron radiation
US2996618A (en) * 1954-07-13 1961-08-15 Schlumberger Well Surv Corp Well logging methods and apparatus
US3462600A (en) * 1967-01-31 1969-08-19 Schlumberger Technology Corp Pulsed and continuous neutron well logging technique
US3654467A (en) * 1969-05-12 1972-04-04 Schlumberger Technology Corp Transplutonium neutron activation logging technique

Also Published As

Publication number Publication date
DE2223403C3 (de) 1980-02-28
DE2223403B2 (de) 1979-06-21
JPS5544917B1 (es) 1980-11-14
DE2223403A1 (de) 1972-12-07
AR194730A1 (es) 1973-08-14
US3787686A (en) 1974-01-22

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