NO901045D0 - Fremgangsmaate og apparat for epitermisk noeytron-desintegrasjonslogging. - Google Patents

Fremgangsmaate og apparat for epitermisk noeytron-desintegrasjonslogging.

Info

Publication number
NO901045D0
NO901045D0 NO901045A NO901045A NO901045D0 NO 901045 D0 NO901045 D0 NO 901045D0 NO 901045 A NO901045 A NO 901045A NO 901045 A NO901045 A NO 901045A NO 901045 D0 NO901045 D0 NO 901045D0
Authority
NO
Norway
Prior art keywords
noeytron
epitermic
disintegration
logging
procedure
Prior art date
Application number
NO901045A
Other languages
English (en)
Other versions
NO901045L (no
NO302448B1 (no
Inventor
William B Nelligan
Original Assignee
Schlumberger Technology Bv
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 Schlumberger Technology Bv filed Critical Schlumberger Technology Bv
Publication of NO901045D0 publication Critical patent/NO901045D0/no
Publication of NO901045L publication Critical patent/NO901045L/no
Publication of NO302448B1 publication Critical patent/NO302448B1/no

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
    • 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

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)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
NO901045A 1989-03-23 1990-03-06 Fremgangsmåte og apparat for epitermisk nöytron-desintegrasjonslogging NO302448B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/327,854 US4973839A (en) 1989-03-23 1989-03-23 Method and apparatus for epithermal neutron decay logging

Publications (3)

Publication Number Publication Date
NO901045D0 true NO901045D0 (no) 1990-03-06
NO901045L NO901045L (no) 1990-09-24
NO302448B1 NO302448B1 (no) 1998-03-02

Family

ID=23278365

Family Applications (1)

Application Number Title Priority Date Filing Date
NO901045A NO302448B1 (no) 1989-03-23 1990-03-06 Fremgangsmåte og apparat for epitermisk nöytron-desintegrasjonslogging

Country Status (5)

Country Link
US (1) US4973839A (no)
EP (1) EP0389371B1 (no)
AU (1) AU631621B2 (no)
DE (1) DE69014369T2 (no)
NO (1) NO302448B1 (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349184A (en) * 1993-01-21 1994-09-20 Schlumberger Technology Corporation Method and apparatus for reducing matrix density effects on porosity measurements during epithermal neutron porosity well logging
US5581079A (en) * 1995-02-24 1996-12-03 Western Atlas International, Inc. Epithermal neutron detector having enhanced efficiency
US6894274B2 (en) * 2002-12-11 2005-05-17 Pathfinder Energy Services, Inc. Estimation of formation porosity using water measurement
WO2006119080A2 (en) * 2005-04-29 2006-11-09 Larsen Lewis G Apparatus and method for generation of ultra low momentum neutrons
US9897719B2 (en) * 2009-05-22 2018-02-20 Schlumberger Technology Corporation Optimization of neutron-gamma tools for inelastic-gamma ray logging
US20110024613A1 (en) * 2009-06-29 2011-02-03 Baker Hughes Incorporated Materials for use as structural neutron moderators in well logging tools
WO2012027106A2 (en) * 2010-08-26 2012-03-01 Smith International, Inc. Method for measuring subterranean formation density using a neutron generator
CN112814667B (zh) * 2021-01-05 2023-07-14 中海石油(中国)有限公司 基于热中子测井计数率比值评价致密气层含水性的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2991364A (en) * 1954-07-08 1961-07-04 Schlumberger Well Surv Corp Well logging
US3497692A (en) * 1965-03-09 1970-02-24 Mobil Oil Corp Detection of chemical binding of hydrogen
US3546512A (en) * 1967-02-13 1970-12-08 Schlumberger Technology Corp Neutron generator including an ion source with a massive ferromagnetic probe electrode and a permanent magnet-electrode
US4283624A (en) * 1979-06-25 1981-08-11 Mobil Oil Corporation Epithermal neutron decay logging
US4266126A (en) * 1979-06-25 1981-05-05 Mobil Oil Corporation Pulsed radiation decay logging
US4302669A (en) * 1979-07-09 1981-11-24 Mobil Oil Corporation Neutron thermalization time logging
US4581532A (en) * 1984-07-06 1986-04-08 Mobil Oil Corporation Directional epithermal neutron detector
ATE67318T1 (de) * 1986-06-05 1991-09-15 Schlumberger Ltd Bohrlochvorrichtung mit einer beschleunigerneutronenquelle.

Also Published As

Publication number Publication date
EP0389371A3 (en) 1992-12-09
DE69014369D1 (de) 1995-01-12
AU631621B2 (en) 1992-12-03
NO901045L (no) 1990-09-24
DE69014369T2 (de) 1995-06-22
EP0389371B1 (en) 1994-11-30
US4973839A (en) 1990-11-27
EP0389371A2 (en) 1990-09-26
AU5210490A (en) 1990-09-27
NO302448B1 (no) 1998-03-02

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Legal Events

Date Code Title Description
MK1K Patent expired