DK535682A - Fremgangsmaade ved og anlaeg til broendlogging med neutroninducerede gammastraaler - Google Patents

Fremgangsmaade ved og anlaeg til broendlogging med neutroninducerede gammastraaler Download PDF

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Publication number
DK535682A
DK535682A DK535682A DK535682A DK535682A DK 535682 A DK535682 A DK 535682A DK 535682 A DK535682 A DK 535682A DK 535682 A DK535682 A DK 535682A DK 535682 A DK535682 A DK 535682A
Authority
DK
Denmark
Prior art keywords
brouglogging
gamm
neutron
rays
induced
Prior art date
Application number
DK535682A
Other languages
English (en)
Inventor
Lawrence David Koenn
David Butler Drude
Original Assignee
Dresser Ind
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 Ind filed Critical Dresser Ind
Publication of DK535682A publication Critical patent/DK535682A/da

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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
    • G01V5/101—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 the secondary Y-rays produced in the surrounding layers of the bore hole
    • G01V5/102—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 the secondary Y-rays produced in the surrounding layers of the bore hole the neutron source being of the pulsed type

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  • 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)
  • Geophysics And Detection Of Objects (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
DK535682A 1981-12-03 1982-12-02 Fremgangsmaade ved og anlaeg til broendlogging med neutroninducerede gammastraaler DK535682A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/326,862 US4446368A (en) 1981-12-03 1981-12-03 Method and apparatus for neutron induced gamma ray well logging

Publications (1)

Publication Number Publication Date
DK535682A true DK535682A (da) 1983-06-04

Family

ID=23274048

Family Applications (1)

Application Number Title Priority Date Filing Date
DK535682A DK535682A (da) 1981-12-03 1982-12-02 Fremgangsmaade ved og anlaeg til broendlogging med neutroninducerede gammastraaler

Country Status (4)

Country Link
US (1) US4446368A (da)
EP (1) EP0081075A1 (da)
DK (1) DK535682A (da)
NO (1) NO823635L (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4656354A (en) * 1985-04-10 1987-04-07 Dresser Industries, Inc. Method for induced gamma ray logging
US5539788A (en) * 1992-10-08 1996-07-23 Westinghouse Electric Corporation Prompt gamma neutron activation analysis system
US5412206A (en) * 1994-02-18 1995-05-02 Westinghouse Electric Company Method and apparatus for determining the depth of a gamma emitting element beneath the surface
US5781602A (en) * 1996-05-17 1998-07-14 Westinghouse Electric Corporation PGNAA system for non-invasively inspecting RPV weld metal in situ, to determine the presence and amount of trace embrittlement-enhancing element
DE19745669B4 (de) * 1997-10-17 2004-03-04 Bruker Daltonik Gmbh Analysensystem zur zerstörungsfreien Identifikation des Inhalts von Objekten, insbesondere von Sprengstoff und chemischen Kampfstoffen
US20030076914A1 (en) 2001-10-23 2003-04-24 Tiller Donald E. Method and apparatus for measuring radiation in a borehole
US7365307B2 (en) * 2005-02-28 2008-04-29 Schlumberger Technology Corporation Sigma/porosity tools with neutron monitors
US7642507B2 (en) * 2005-02-28 2010-01-05 Schlumberger Technology Corporation Apparatus and methods for interlaced density and neutron measurements
US7361886B2 (en) * 2005-02-28 2008-04-22 Schlumberger Technology Corporation Corrections of gamma-ray responses
EP1880393A2 (en) * 2005-04-29 2008-01-23 Lewis G. Larsen Apparatus and method for generation of ultra low momentum neutrons

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA775669A (en) * 1968-01-09 O. Seevers Delmar Modulated neutron logging method
US3492481A (en) * 1966-10-14 1970-01-27 Exxon Production Research Co System and method for remote control of a radioactivity logging tool
US3780301A (en) * 1971-09-20 1973-12-18 Texaco Inc Pulsed neutron logging systems for detecting gas zones
US3780302A (en) * 1971-09-20 1973-12-18 Texaco Inc Pulsed neutron logging system
US3780303A (en) * 1971-09-20 1973-12-18 Texaco Inc Pulsed neutron logging with background compensation
US4008392A (en) * 1973-09-19 1977-02-15 Exxon Production Research Company Method for determining fluid type and lithology of subterranean formations
US4136278A (en) * 1977-07-14 1979-01-23 Dresser Industries, Inc. Method and apparatus for pulsed neutron spectral analysis using spectral stripping
US4239965A (en) * 1979-03-05 1980-12-16 Dresser Industries, Inc. Method and apparatus for neutron induced gamma ray logging for direct porosity identification
US4284886A (en) * 1979-04-11 1981-08-18 Schlumberger Technology Corporation Random pulsing of neutron source for inelastic neutron scattering gamma ray spectroscopy

Also Published As

Publication number Publication date
EP0081075A1 (en) 1983-06-15
US4446368A (en) 1984-05-01
NO823635L (no) 1983-06-06

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