CA1162660A - Method for simultaneous measurement of borehole and formation neutron lifetimes - Google Patents

Method for simultaneous measurement of borehole and formation neutron lifetimes

Info

Publication number
CA1162660A
CA1162660A CA000382171A CA382171A CA1162660A CA 1162660 A CA1162660 A CA 1162660A CA 000382171 A CA000382171 A CA 000382171A CA 382171 A CA382171 A CA 382171A CA 1162660 A CA1162660 A CA 1162660A
Authority
CA
Canada
Prior art keywords
borehole
neutron
time
detecting
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
CA000382171A
Other languages
English (en)
French (fr)
Inventor
Harry D. Smith
Dan M. Arnold
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.)
Halliburton Co
Original Assignee
Halliburton Co
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 Halliburton Co filed Critical Halliburton Co
Application granted granted Critical
Publication of CA1162660A publication Critical patent/CA1162660A/en
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
    • G01V5/101Prospecting 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
    • G01V5/102Prospecting 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/221Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by activation analysis
    • G01N23/222Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by activation analysis using neutron activation analysis [NAA]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/07Investigating materials by wave or particle radiation secondary emission
    • G01N2223/074Investigating materials by wave or particle radiation secondary emission activation analysis
    • G01N2223/0745Investigating materials by wave or particle radiation secondary emission activation analysis neutron-gamma activation analysis
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/60Specific applications or type of materials
    • G01N2223/616Specific applications or type of materials earth materials

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)
CA000382171A 1980-08-28 1981-07-21 Method for simultaneous measurement of borehole and formation neutron lifetimes Expired CA1162660A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18217180A 1980-08-28 1980-08-28
US182,171 1980-08-28

Publications (1)

Publication Number Publication Date
CA1162660A true CA1162660A (en) 1984-02-21

Family

ID=22667332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000382171A Expired CA1162660A (en) 1980-08-28 1981-07-21 Method for simultaneous measurement of borehole and formation neutron lifetimes

Country Status (3)

Country Link
CA (1) CA1162660A (enrdf_load_stackoverflow)
FR (1) FR2489533A1 (enrdf_load_stackoverflow)
GB (1) GB2083211B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1225469A (en) * 1983-06-22 1987-08-11 Mobil Oil Corporation Accelerator-type neutron source and a method of controlling the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3133195A (en) * 1958-12-05 1964-05-12 California Research Corp Neutron slowing down and absorption logging method
US3705304A (en) * 1967-05-31 1972-12-05 Dresser Ind Pulsed neutron well logging apparatus having means to vary the neutron generator pulse repetition rate
US4152590A (en) * 1977-05-19 1979-05-01 Texaco Inc. Simultaneous thermal neutron decay time and porosity logging system
IE49620B1 (en) * 1978-10-26 1985-11-13 Schlumberger Ltd Method and apparatus for measuring thermal neutron characteristics

Also Published As

Publication number Publication date
GB2083211B (en) 1984-04-11
FR2489533B1 (enrdf_load_stackoverflow) 1984-12-21
GB2083211A (en) 1982-03-17
FR2489533A1 (fr) 1982-03-05

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Legal Events

Date Code Title Description
MKEX Expiry