GB1555153A - Well logging method and apparatus - Google Patents

Well logging method and apparatus

Info

Publication number
GB1555153A
GB1555153A GB21348/76A GB2134876A GB1555153A GB 1555153 A GB1555153 A GB 1555153A GB 21348/76 A GB21348/76 A GB 21348/76A GB 2134876 A GB2134876 A GB 2134876A GB 1555153 A GB1555153 A GB 1555153A
Authority
GB
United Kingdom
Prior art keywords
well logging
logging method
well
logging
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
GB21348/76A
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.)
Schlumberger NV
Original Assignee
Schlumberger NV
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
Priority claimed from US05/580,398 external-priority patent/US3976879A/en
Application filed by Schlumberger NV filed Critical Schlumberger NV
Publication of GB1555153A publication Critical patent/GB1555153A/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
    • G01V5/12—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 gamma or X-ray sources
    • 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
    • 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
    • G01V5/108—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 the neutron source being of the pulsed type

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)
  • Particle Accelerators (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
GB21348/76A 1975-05-22 1976-05-24 Well logging method and apparatus Expired GB1555153A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58007175A 1975-05-22 1975-05-22
US05/580,398 US3976879A (en) 1975-05-22 1975-05-22 Well logging method and apparatus using a continuous energy spectrum photon source

Publications (1)

Publication Number Publication Date
GB1555153A true GB1555153A (en) 1979-11-07

Family

ID=27077940

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21348/76A Expired GB1555153A (en) 1975-05-22 1976-05-24 Well logging method and apparatus

Country Status (8)

Country Link
AR (1) AR221817A1 (en)
AU (1) AU506713B2 (en)
DE (1) DE2622871A1 (en)
FR (1) FR2334119A1 (en)
GB (1) GB1555153A (en)
MX (1) MX3339E (en)
NL (1) NL7605437A (en)
OA (1) OA05330A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19524119A1 (en) * 1995-07-03 1997-01-09 Brunnen Und Bohrlochinspektion Probe for determining the density of rock in boreholes using radiation technology

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1911701B1 (en) * 1968-03-22 1970-12-17 Dresser Ind Downhole tool and method for determining the inflow profiles of the strata intersected by a borehole
US3864569A (en) * 1970-04-14 1975-02-04 Schlumberger Technology Corp Well logging processing method and apparatus
US3846631A (en) * 1972-03-13 1974-11-05 Applied Invention Corp Gamma ray differential density probe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19524119A1 (en) * 1995-07-03 1997-01-09 Brunnen Und Bohrlochinspektion Probe for determining the density of rock in boreholes using radiation technology
DE19524119C2 (en) * 1995-07-03 1999-04-29 Brunnen Und Bohrlochinspektion Probe for determining the density of the wall material of boreholes using radiation technology

Also Published As

Publication number Publication date
OA05330A (en) 1981-02-28
MX3339E (en) 1980-09-29
NL7605437A (en) 1976-11-24
FR2334119A1 (en) 1977-07-01
AR221817A1 (en) 1981-03-31
AU506713B2 (en) 1980-01-24
DE2622871A1 (en) 1977-02-10
AU1393976A (en) 1977-11-17
FR2334119B1 (en) 1979-09-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee