DE69020967T2 - Bohrlochmessung mittels pulsierender Neutronenemissionen. - Google Patents

Bohrlochmessung mittels pulsierender Neutronenemissionen.

Info

Publication number
DE69020967T2
DE69020967T2 DE69020967T DE69020967T DE69020967T2 DE 69020967 T2 DE69020967 T2 DE 69020967T2 DE 69020967 T DE69020967 T DE 69020967T DE 69020967 T DE69020967 T DE 69020967T DE 69020967 T2 DE69020967 T2 DE 69020967T2
Authority
DE
Germany
Prior art keywords
pulsating
borehole measurement
neutron emissions
neutron
emissions
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 - Fee Related
Application number
DE69020967T
Other languages
English (en)
Other versions
DE69020967D1 (de
Inventor
Harry D Smith
Dennis F Wyatt
Michael P Smith
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 DE69020967D1 publication Critical patent/DE69020967D1/de
Publication of DE69020967T2 publication Critical patent/DE69020967T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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 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)
  • Geophysics And Detection Of Objects (AREA)
DE69020967T 1989-06-08 1990-05-22 Bohrlochmessung mittels pulsierender Neutronenemissionen. Expired - Fee Related DE69020967T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/363,009 US4990774A (en) 1989-06-08 1989-06-08 Technique for obtaining high vertical resolution formation capture cross sections from pulsed neutron logs

Publications (2)

Publication Number Publication Date
DE69020967D1 DE69020967D1 (de) 1995-08-24
DE69020967T2 true DE69020967T2 (de) 1995-11-30

Family

ID=23428410

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69020967T Expired - Fee Related DE69020967T2 (de) 1989-06-08 1990-05-22 Bohrlochmessung mittels pulsierender Neutronenemissionen.

Country Status (3)

Country Link
US (1) US4990774A (de)
EP (1) EP0405746B1 (de)
DE (1) DE69020967T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5600135A (en) * 1995-06-06 1997-02-04 Halliburton Company Spectral gain stabilization using gross shape features of largely invariant spectra
US6124590A (en) * 1997-11-06 2000-09-26 Western Atlas International, Inc. Method for determining thermal neutron capture cross-section of earth formations using measurements from multiple capture gamma ray detectors
US5908573A (en) * 1997-12-30 1999-06-01 Bask Technologies Llc Electric floor heating system
US6303905B1 (en) 2000-08-25 2001-10-16 Bask Technologies Llc Heating element construction for floor warming systems
US7649169B2 (en) * 2005-03-21 2010-01-19 Baker Hughes Incorporated Method for determining shale bed boundaries and gamma ray activity with gamma ray instrument
US9001956B2 (en) 2007-11-28 2015-04-07 Schlumberger Technology Corporation Neutron generator
CH701267B1 (fr) * 2009-06-02 2014-08-29 Clean Cooling Systems Sa Générateur de champ magnétique et dispositif magnétocalorique comportant ledit générateur de champ magnétique.
US8964504B2 (en) * 2010-04-07 2015-02-24 Baker Hughes Incorporated Method and apparatus for evaluating a cemented borehole casing
EP3186481A4 (de) * 2014-10-28 2018-06-13 Halliburton Energy Services, Inc. Bestimmung des gehäusefluideinfangquerschnitts mithilfe des verhältnisses der gamma-zählrate
CN113685167B (zh) * 2021-08-04 2023-06-02 中国石油大学(北京) 核测井方法、核测井装置和计算机可读存储介质

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267447A (en) * 1978-10-26 1981-05-12 Schlumberger Technology Corp. Methods and apparatus for measuring thermal neutron decay characteristics of earth formations
US4394574A (en) * 1979-08-09 1983-07-19 Schlumberger Technology Corporation Methods and apparatus for constituent analysis of earth formations
US4409481A (en) * 1980-08-28 1983-10-11 Halliburton Company Method for simultaneous measurement of thermal neutron decay components
US4388529A (en) * 1980-08-28 1983-06-14 Halliburton Company System for simultaneous measurement of borehole and formation neutron lifetimes
US4424444A (en) * 1980-08-28 1984-01-03 Halliburton Company Method for simultaneous measurement of borehole and formation neutron lifetimes
US4350888A (en) * 1980-09-02 1982-09-21 Halliburton Company Method and system for determining thermal neutron lifetime of earth formations
US4600838A (en) * 1984-07-20 1986-07-15 Schlumberger Technology Corporation Methods and apparatus for measuring thermal neutron decay characteristics of earth formations
US4625111A (en) * 1985-02-04 1986-11-25 Halliburton Company Method and apparatus for pulsed neutron capture measurement of borehole conditions and formation hydrogen index
US4712007A (en) * 1985-04-01 1987-12-08 S.I.E., Inc. Pulsed neutron logging method using cumulative count curves
US4786796A (en) * 1986-10-06 1988-11-22 Schlumberger Technology Corporation Method for determining formation characteristics with enhanced vertical resolution

Also Published As

Publication number Publication date
EP0405746A2 (de) 1991-01-02
US4990774A (en) 1991-02-05
DE69020967D1 (de) 1995-08-24
EP0405746A3 (en) 1992-12-23
EP0405746B1 (de) 1995-07-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee