GB1396456A - Pulsed neutron well logging techniques with background radiation removal - Google Patents

Pulsed neutron well logging techniques with background radiation removal

Info

Publication number
GB1396456A
GB1396456A GB2527773A GB2527773A GB1396456A GB 1396456 A GB1396456 A GB 1396456A GB 2527773 A GB2527773 A GB 2527773A GB 2527773 A GB2527773 A GB 2527773A GB 1396456 A GB1396456 A GB 1396456A
Authority
GB
United Kingdom
Prior art keywords
counts
output
gamma
gate
analyzer
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
GB2527773A
Other languages
English (en)
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 GB1396456A publication Critical patent/GB1396456A/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
    • G01V5/10—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)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Earth Drilling (AREA)
GB2527773A 1972-06-19 1973-05-25 Pulsed neutron well logging techniques with background radiation removal Expired GB1396456A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1396456A true GB1396456A (en) 1975-06-04

Family

ID=23004611

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2527773A Expired GB1396456A (en) 1972-06-19 1973-05-25 Pulsed neutron well logging techniques with background radiation removal

Country Status (11)

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

Family Cites Families (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
US3780303A (en) * 1971-09-20 1973-12-18 Texaco Inc Pulsed neutron logging with background compensation

Also Published As

Publication number Publication date
CA981810A (en) 1976-01-13
AU470788B2 (en) 1976-03-25
HU170521B (enrdf_load_stackoverflow) 1977-06-28
PL90076B1 (enrdf_load_stackoverflow) 1976-12-31
NO141067B (no) 1979-09-24
YU158473A (en) 1982-05-31
DE2330809A1 (de) 1974-01-17
ZA733607B (en) 1974-10-30
CS174209B2 (enrdf_load_stackoverflow) 1977-03-31
AU5684573A (en) 1974-12-12
FR2189759B1 (enrdf_load_stackoverflow) 1977-05-13
FR2189759A1 (enrdf_load_stackoverflow) 1974-01-25

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Legal Events

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