EG13061A - Method and apparatus of investigating an earth formation - Google Patents

Method and apparatus of investigating an earth formation

Info

Publication number
EG13061A
EG13061A EG183/76A EG18376A EG13061A EG 13061 A EG13061 A EG 13061A EG 183/76 A EG183/76 A EG 183/76A EG 18376 A EG18376 A EG 18376A EG 13061 A EG13061 A EG 13061A
Authority
EG
Egypt
Prior art keywords
investigating
earth formation
earth
formation
Prior art date
Application number
EG183/76A
Inventor
R Murphy
S Antkiw
Original Assignee
Schlumberger Overseas
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 filed Critical Schlumberger Overseas
Application granted granted Critical
Publication of EG13061A publication Critical patent/EG13061A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity
    • G01V5/04Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08Prospecting or detecting by the use of nuclear 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 nuclear 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 nuclear 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 nuclear 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
EG183/76A 1975-03-31 1976-03-27 Method and apparatus of investigating an earth formation EG13061A (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 (1)

Publication Number Publication Date
EG13061A true EG13061A (en) 1980-10-31

Family

ID=27073260

Family Applications (1)

Application Number Title Priority Date Filing Date
EG183/76A EG13061A (en) 1975-03-31 1976-03-27 Method and apparatus of investigating an earth formation

Country Status (12)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485752A1 (en) * 1980-06-25 1981-12-31 Schlumberger Prospection METHOD AND DEVICE FOR MEASURING GAMMA RAYS IN A SURVEY

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
OA05294A (en) 1981-02-28
NO144650C (en) 1981-10-07
MX3468E (en) 1980-12-09
DE2613259C2 (en) 1989-06-22
IT1067520B (en) 1985-03-16
FR2308937B1 (en) 1979-04-06
TR19525A (en) 1979-06-27
FR2308937A1 (en) 1976-11-19
JPS62473B2 (en) 1987-01-08
JPS51121401A (en) 1976-10-23
DE2613259A1 (en) 1976-12-16
NO144650B (en) 1981-06-29
NO761005L (en) 1976-10-01
AU500341B2 (en) 1979-05-17
NL7603328A (en) 1976-10-04
AU1202976A (en) 1977-09-29
BR7601955A (en) 1976-10-05

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