CA1162659A - Method for simultaneous measurement of borehole and formation neutron lifetimes employing iterative fitting - Google Patents

Method for simultaneous measurement of borehole and formation neutron lifetimes employing iterative fitting

Info

Publication number
CA1162659A
CA1162659A CA000382132A CA382132A CA1162659A CA 1162659 A CA1162659 A CA 1162659A CA 000382132 A CA000382132 A CA 000382132A CA 382132 A CA382132 A CA 382132A CA 1162659 A CA1162659 A CA 1162659A
Authority
CA
Canada
Prior art keywords
borehole
neutron
time
thermal neutron
component
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
CA000382132A
Other languages
English (en)
French (fr)
Inventor
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.)
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 CA1162659A publication Critical patent/CA1162659A/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)
CA000382132A 1980-08-28 1981-07-21 Method for simultaneous measurement of borehole and formation neutron lifetimes employing iterative fitting Expired CA1162659A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18215180A 1980-08-28 1980-08-28
US182,151 1980-08-28

Publications (1)

Publication Number Publication Date
CA1162659A true CA1162659A (en) 1984-02-21

Family

ID=22667266

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000382132A Expired CA1162659A (en) 1980-08-28 1981-07-21 Method for simultaneous measurement of borehole and formation neutron lifetimes employing iterative fitting

Country Status (4)

Country Link
CA (1) CA1162659A (nl)
FR (1) FR2489534A1 (nl)
GB (1) GB2083212B (nl)
NL (1) NL191656C (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409481A (en) * 1980-08-28 1983-10-11 Halliburton Company Method for simultaneous measurement of thermal neutron decay components
RU2751586C2 (ru) * 2017-05-31 2021-07-15 Аахен Институт Фор Ньюклеар Трейнинг Гмбх Способ и устройство для многоэлементного анализа на основании нейтронной активации, а также применение
ES2831850T3 (es) * 2017-05-31 2021-06-09 Aachen Inst For Nuclear Training Gmbh Procedimiento y dispositivo para el análisis multielemento basado en la activación de neutrones y uso

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739171A (en) * 1971-07-19 1973-06-12 Texaco Inc Gamma ray spectroscopy with quantitative analysis
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
FR2489534A1 (fr) 1982-03-05
NL191656C (nl) 1995-12-02
GB2083212A (en) 1982-03-17
GB2083212B (en) 1984-04-18
NL8103822A (nl) 1982-03-16
FR2489534B1 (nl) 1984-12-21
NL191656B (nl) 1995-08-01

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Legal Events

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