FR2189759A1 - - Google Patents

Info

Publication number
FR2189759A1
FR2189759A1 FR7322255A FR7322255A FR2189759A1 FR 2189759 A1 FR2189759 A1 FR 2189759A1 FR 7322255 A FR7322255 A FR 7322255A FR 7322255 A FR7322255 A FR 7322255A FR 2189759 A1 FR2189759 A1 FR 2189759A1
Authority
FR
France
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.)
Granted
Application number
FR7322255A
Other versions
FR2189759B1 (fr
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.)
Texaco Development Corp
Original Assignee
Texaco Development Corp
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 Texaco Development Corp filed Critical Texaco Development Corp
Publication of FR2189759A1 publication Critical patent/FR2189759A1/fr
Application granted granted Critical
Publication of FR2189759B1 publication Critical patent/FR2189759B1/fr
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
    • G01V5/10—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

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)
  • Earth Drilling (AREA)
FR7322255A 1972-06-19 1973-06-19 Expired FR2189759B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26410672A 1972-06-19 1972-06-19

Publications (2)

Publication Number Publication Date
FR2189759A1 true FR2189759A1 (fr) 1974-01-25
FR2189759B1 FR2189759B1 (fr) 1977-05-13

Family

ID=23004611

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7322255A Expired FR2189759B1 (fr) 1972-06-19 1973-06-19

Country Status (11)

Country Link
AU (1) AU470788B2 (fr)
CA (1) CA981810A (fr)
CS (1) CS174209B2 (fr)
DE (1) DE2330809A1 (fr)
FR (1) FR2189759B1 (fr)
GB (1) GB1396456A (fr)
HU (1) HU170521B (fr)
NO (1) NO141067B (fr)
PL (1) PL90076B1 (fr)
YU (1) YU158473A (fr)
ZA (1) ZA733607B (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2709754A (en) * 1954-04-14 1955-05-31 Nuclear Instr And Chemical Cor Method and apparatus for indicating radioactivity percentage ratios
FR1188557A (fr) * 1956-10-18 1959-09-23 Jersey Prod Res Co Procédé de sondage par radioactivité
FR2153321A1 (fr) * 1971-09-20 1973-05-04 Texaco Development Corp

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2709754A (en) * 1954-04-14 1955-05-31 Nuclear Instr And Chemical Cor Method and apparatus for indicating radioactivity percentage ratios
FR1188557A (fr) * 1956-10-18 1959-09-23 Jersey Prod Res Co Procédé de sondage par radioactivité
FR2153321A1 (fr) * 1971-09-20 1973-05-04 Texaco Development Corp

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"AUTOMATIC BACKGROUND SUBSTRACTION". *
JANVIER-FEVRIER 1969, NO 1, PAGES 68-70. ARTICLE DE E.I. PODOL'NY ET Y.E.SCLYANINOV *
REVUE US : "INSTRUMENTS AND EXPERIMENTAL TECHNIQUES" *

Also Published As

Publication number Publication date
PL90076B1 (fr) 1976-12-31
HU170521B (fr) 1977-06-28
YU158473A (en) 1982-05-31
AU470788B2 (en) 1976-03-25
NO141067B (no) 1979-09-24
FR2189759B1 (fr) 1977-05-13
DE2330809A1 (de) 1974-01-17
AU5684573A (en) 1974-12-12
ZA733607B (en) 1974-10-30
CA981810A (en) 1976-01-13
GB1396456A (en) 1975-06-04
CS174209B2 (fr) 1977-03-31

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Legal Events

Date Code Title Description
ST Notification of lapse