NL7300923A - - Google Patents

Info

Publication number
NL7300923A
NL7300923A NL7300923A NL7300923A NL7300923A NL 7300923 A NL7300923 A NL 7300923A NL 7300923 A NL7300923 A NL 7300923A NL 7300923 A NL7300923 A NL 7300923A NL 7300923 A NL7300923 A NL 7300923A
Authority
NL
Netherlands
Application number
NL7300923A
Other versions
NL177253C (nl
NL177253B (nl
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 FR7202183A external-priority patent/FR2168850A1/fr
Application filed filed Critical
Publication of NL7300923A publication Critical patent/NL7300923A/xx
Publication of NL177253B publication Critical patent/NL177253B/xx
Application granted granted Critical
Publication of NL177253C publication Critical patent/NL177253C/xx

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
    • 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
    • G01V5/12—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
    • G01V5/125—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 and detecting the secondary gamma- or X-rays in different places along the bore hole

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)
  • Measurement Of Radiation (AREA)
  • Geophysics And Detection Of Objects (AREA)
NL7300923A 1972-01-24 1973-01-23 Werkwijze en inrichting voor het meten van de dichtheid van formaties. NL177253C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7202183A FR2168850A1 (en) 1972-01-24 1972-01-24 Borehole strata density measurement - with correction for ettors by baryta deposits from drilling mud
FR7243983A FR2209941B2 (en)) 1972-01-24 1972-12-11

Publications (3)

Publication Number Publication Date
NL7300923A true NL7300923A (en)) 1973-07-26
NL177253B NL177253B (nl) 1985-03-18
NL177253C NL177253C (nl) 1985-08-16

Family

ID=26216859

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7300923A NL177253C (nl) 1972-01-24 1973-01-23 Werkwijze en inrichting voor het meten van de dichtheid van formaties.

Country Status (6)

Country Link
JP (1) JPS5244842B2 (en))
CA (1) CA971681A (en))
DE (1) DE2302818C3 (en))
FR (1) FR2209941B2 (en))
GB (1) GB1424023A (en))
NL (1) NL177253C (en))

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2241906B1 (en) 2009-04-17 2015-04-01 Services Pétroliers Schlumberger Method of determining density of underground formations using neutron-gamma ray measurements
CN114284312B (zh) * 2021-12-24 2024-05-14 华中科技大学 一种ots选通管的操作方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2944148A (en) * 1954-07-02 1960-07-05 Schlumberger Well Surv Corp Apparatus for investigating earth formations

Also Published As

Publication number Publication date
NL177253C (nl) 1985-08-16
FR2209941B2 (en)) 1977-09-02
DE2302818C3 (de) 1975-11-20
GB1424023A (en) 1976-02-04
DE2302818B2 (de) 1975-04-03
FR2209941A2 (en)) 1974-07-05
JPS4885402A (en)) 1973-11-13
DE2302818A1 (de) 1973-08-02
NL177253B (nl) 1985-03-18
JPS5244842B2 (en)) 1977-11-11
CA971681A (en) 1975-07-22

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee