CA977075A - Mud cake compensated neutron logging system - Google Patents

Mud cake compensated neutron logging system

Info

Publication number
CA977075A
CA977075A CA165,691A CA165691A CA977075A CA 977075 A CA977075 A CA 977075A CA 165691 A CA165691 A CA 165691A CA 977075 A CA977075 A CA 977075A
Authority
CA
Canada
Prior art keywords
mud cake
logging system
neutron logging
compensated neutron
compensated
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
CA165,691A
Other languages
English (en)
Inventor
Billy F. Wilson
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Industries Inc filed Critical Dresser Industries Inc
Application granted granted Critical
Publication of CA977075A publication Critical patent/CA977075A/en
Expired 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
    • G01V5/14—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 a combination of several sources, e.g. a neutron and a gamma source
    • G01V5/145—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 a combination of several sources, e.g. a neutron and a gamma source using a neutron source combined with a gamma- or X-ray source

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)
  • Analysing Materials By The Use Of Radiation (AREA)
CA165,691A 1972-04-24 1973-03-09 Mud cake compensated neutron logging system Expired CA977075A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24712872A 1972-04-24 1972-04-24

Publications (1)

Publication Number Publication Date
CA977075A true CA977075A (en) 1975-10-28

Family

ID=22933678

Family Applications (1)

Application Number Title Priority Date Filing Date
CA165,691A Expired CA977075A (en) 1972-04-24 1973-03-09 Mud cake compensated neutron logging system

Country Status (5)

Country Link
US (1) US3789219A (es)
AR (1) AR200728A1 (es)
CA (1) CA977075A (es)
DE (1) DE2317335A1 (es)
GB (1) GB1412851A (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298680A1 (fr) * 1975-01-24 1976-08-20 Schlumberger Prospection Procede et dispositif pour mesurer la densite des formations traversees par un forage
US4047027A (en) * 1975-06-10 1977-09-06 Schlumberger Technology Corporation Neutron well logging technique for gas detection
US4035639A (en) * 1975-06-10 1977-07-12 Schlumberger Technology Corporation Neutron logging of formation porosity
US4423323A (en) * 1981-09-09 1983-12-27 Schlumberger Technology Corporation Neutron logging method and apparatus for determining a formation characteristic free of environmental effects
US4439675A (en) * 1981-09-21 1984-03-27 Campbell Patrick J Moisture and density gauge
US4691772A (en) * 1985-04-22 1987-09-08 Union Oil Company Of California Process for obtaining permeability logs using radioactive drilling mud additives
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
US7365307B2 (en) * 2005-02-28 2008-04-29 Schlumberger Technology Corporation Sigma/porosity tools with neutron monitors
EP2275840B1 (en) * 2009-07-16 2013-09-25 Services Pétroliers Schlumberger Apparatus and methods for measuring formation characteristics
CN106223943A (zh) * 2016-08-27 2016-12-14 吉艾（天津）石油工程技术服务有限公司 一种自吸热式小井补偿中子测井仪

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3453433A (en) * 1966-12-08 1969-07-01 Schlumberger Technology Corp Combined sidewall neutron porosity gamma-gamma tool
US3566117A (en) * 1968-01-05 1971-02-23 Schlumberger Technology Corp Measuring technique

Also Published As

Publication number Publication date
AR200728A1 (es) 1974-12-13
DE2317335A1 (de) 1973-11-15
US3789219A (en) 1974-01-29
GB1412851A (en) 1975-11-05

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