JPS62473B2 - - Google Patents

Info

Publication number
JPS62473B2
JPS62473B2 JP51035900A JP3590076A JPS62473B2 JP S62473 B2 JPS62473 B2 JP S62473B2 JP 51035900 A JP51035900 A JP 51035900A JP 3590076 A JP3590076 A JP 3590076A JP S62473 B2 JPS62473 B2 JP S62473B2
Authority
JP
Japan
Prior art keywords
neutron
time
pulse
formation
measured
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
JP51035900A
Other languages
English (en)
Japanese (ja)
Other versions
JPS51121401A (en
Inventor
Antokiu Suteiibun
Deii Maafuii Richaado
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 Overseas SA
Original Assignee
Schlumberger Overseas SA
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 US05/563,510 external-priority patent/US4031367A/en
Application filed by Schlumberger Overseas SA filed Critical Schlumberger Overseas SA
Publication of JPS51121401A publication Critical patent/JPS51121401A/ja
Publication of JPS62473B2 publication Critical patent/JPS62473B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08Prospecting 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
    • G01V5/10Prospecting 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
    • G01V5/101Prospecting 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
    • G01V5/102Prospecting 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

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)
  • Measurement Of Radiation (AREA)
  • Sampling And Sample Adjustment (AREA)
JP51035900A 1975-03-31 1976-03-31 Method of investigating strata wherf drilling passes through Granted JPS51121401A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56335975A 1975-03-31 1975-03-31
US05/563,510 US4031367A (en) 1975-03-31 1975-03-31 Methods and apparatus for pulse height analyzer offset control

Publications (2)

Publication Number Publication Date
JPS51121401A JPS51121401A (en) 1976-10-23
JPS62473B2 true JPS62473B2 (pt) 1987-01-08

Family

ID=27073260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51035900A Granted JPS51121401A (en) 1975-03-31 1976-03-31 Method of investigating strata wherf drilling passes through

Country Status (12)

Country Link
JP (1) JPS51121401A (pt)
AU (1) AU500341B2 (pt)
BR (1) BR7601955A (pt)
DE (1) DE2613259A1 (pt)
EG (1) EG13061A (pt)
FR (1) FR2308937A1 (pt)
IT (1) IT1067520B (pt)
MX (1) MX3468E (pt)
NL (1) NL7603328A (pt)
NO (1) NO144650C (pt)
OA (1) OA05294A (pt)
TR (1) TR19525A (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485752A1 (fr) * 1980-06-25 1981-12-31 Schlumberger Prospection Procede et dispositif de mesure de rayons gamma dans un sondage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264475A (en) * 1962-12-31 1966-08-02 Atlantic Refining Co Method for calibrating a radioactive logging system
US3534401A (en) * 1966-04-20 1970-10-13 Dresser Ind Computer for well logging system
US3566117A (en) * 1968-01-05 1971-02-23 Schlumberger Technology Corp Measuring technique
US3760281A (en) * 1970-10-27 1973-09-18 Coulter Electronics Axial trajectory sensor having gating means controlled by pulse duration measuring for electronic particle study apparatus
US3829686A (en) * 1971-09-20 1974-08-13 Texaco Inc Pulsed neutron logging system with gain compensation

Also Published As

Publication number Publication date
NO144650B (no) 1981-06-29
DE2613259A1 (de) 1976-12-16
FR2308937A1 (fr) 1976-11-19
EG13061A (en) 1980-10-31
BR7601955A (pt) 1976-10-05
IT1067520B (it) 1985-03-16
AU500341B2 (en) 1979-05-17
OA05294A (fr) 1981-02-28
MX3468E (es) 1980-12-09
NO144650C (no) 1981-10-07
JPS51121401A (en) 1976-10-23
NL7603328A (nl) 1976-10-04
FR2308937B1 (pt) 1979-04-06
NO761005L (pt) 1976-10-01
TR19525A (tr) 1979-06-27
DE2613259C2 (pt) 1989-06-22
AU1202976A (en) 1977-09-29

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