NL7907391A - Werkwijzen en inrichtingen voor het meten van ther- mische neutronenkarakteristieken.. - Google Patents

Werkwijzen en inrichtingen voor het meten van ther- mische neutronenkarakteristieken.. Download PDF

Info

Publication number
NL7907391A
NL7907391A NL7907391A NL7907391A NL7907391A NL 7907391 A NL7907391 A NL 7907391A NL 7907391 A NL7907391 A NL 7907391A NL 7907391 A NL7907391 A NL 7907391A NL 7907391 A NL7907391 A NL 7907391A
Authority
NL
Netherlands
Prior art keywords
gate
duration
value
neutron
gates
Prior art date
Application number
NL7907391A
Other languages
English (en)
Dutch (nl)
Original Assignee
Schlumberger Prospection
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 US05/955,175 external-priority patent/US4223218A/en
Priority claimed from US05/955,176 external-priority patent/US4224516A/en
Application filed by Schlumberger Prospection filed Critical Schlumberger Prospection
Publication of NL7907391A publication Critical patent/NL7907391A/nl

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
    • G01V5/107Prospecting 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 reflected or back-scattered neutrons
    • G01V5/108Prospecting 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 reflected or back-scattered neutrons 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)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
NL7907391A 1978-10-26 1979-10-05 Werkwijzen en inrichtingen voor het meten van ther- mische neutronenkarakteristieken.. NL7907391A (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US95517678 1978-10-26
US05/955,175 US4223218A (en) 1978-10-26 1978-10-26 Methods and apparatus for optimizing measurements of thermal neutron decay characteristics
US95517578 1978-10-26
US05/955,176 US4224516A (en) 1978-10-26 1978-10-26 Methods and apparatus for measuring thermal neutron decay characteristics of earth formations

Publications (1)

Publication Number Publication Date
NL7907391A true NL7907391A (nl) 1980-04-29

Family

ID=27130364

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7907391A NL7907391A (nl) 1978-10-26 1979-10-05 Werkwijzen en inrichtingen voor het meten van ther- mische neutronenkarakteristieken..

Country Status (11)

Country Link
AU (1) AU532895B2 (it)
DE (1) DE2941535A1 (it)
EG (1) EG14646A (it)
ES (1) ES8103385A1 (it)
FR (1) FR2440004A1 (it)
GB (4) GB2036303B (it)
IE (1) IE49620B1 (it)
IT (1) IT1125588B (it)
MY (1) MY8500178A (it)
NL (1) NL7907391A (it)
NO (1) NO793185L (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1165017A (en) * 1980-08-28 1984-04-03 Harold E. Peelman System for simultaneous measurement of borehole and formation neutron lifetimes
CA1162659A (en) * 1980-08-28 1984-02-21 Ward E. Schultz Method for simultaneous measurement of borehole and formation neutron lifetimes employing iterative fitting
CA1162660A (en) * 1980-08-28 1984-02-21 Harry D. Smith Method for simultaneous measurement of borehole and formation neutron lifetimes
US4445033A (en) * 1981-09-14 1984-04-24 Schlumberger Technology Corporation Methods and apparatus for environmental correction of thermal neutron logs
GB8331914D0 (en) * 1983-11-30 1984-01-04 Atomic Energy Authority Uk Inspection of buried pipelines
US4712007A (en) * 1985-04-01 1987-12-08 S.I.E., Inc. Pulsed neutron logging method using cumulative count curves
CN115788421B (zh) * 2023-02-14 2023-05-09 山东交通学院 一种集成式自然γ能谱测井仪

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL70135C (it) * 1946-12-04 1952-01-15 Philips Nv
US3566116A (en) * 1966-11-08 1971-02-23 Schlumberger Technology Corp Method and apparatus for measuring neutron characteristics of a material surrounding a well bore
US3379882A (en) * 1967-03-16 1968-04-23 Dresser Ind Method and apparatus for neutron well logging based on the lifetime of neutrons in the formations
US3890501A (en) * 1973-05-01 1975-06-17 Schlumberger Technology Corp Neutron logging reliability techniques and apparatus

Also Published As

Publication number Publication date
GB2113387A (en) 1983-08-03
GB2113386B (en) 1983-12-21
AU5155579A (en) 1980-05-01
GB2113386A (en) 1983-08-03
GB2036303B (en) 1983-08-17
IT1125588B (it) 1986-05-14
ES485366A0 (es) 1981-02-16
NO793185L (no) 1980-04-29
IE791847L (en) 1980-04-26
GB2036303A (en) 1980-06-25
MY8500178A (en) 1985-12-31
GB2113387B (en) 1983-12-21
GB2113385A (en) 1983-08-03
FR2440004B1 (it) 1984-12-21
EG14646A (en) 1985-03-31
DE2941535A1 (de) 1980-05-08
IT7926758A0 (it) 1979-10-24
GB2113385B (en) 1983-12-21
ES8103385A1 (es) 1981-02-16
IE49620B1 (en) 1985-11-13
AU532895B2 (en) 1983-10-20
FR2440004A1 (fr) 1980-05-23

Similar Documents

Publication Publication Date Title
NL7907391A (nl) Werkwijzen en inrichtingen voor het meten van ther- mische neutronenkarakteristieken..
CA1204225A (en) Methods for simultaneous measurement of thermal neutron decay components
CA1060114A (en) System for telemetering well logging data
NO822497L (no) Apparat for innsamling av borehulls-loggedata.
GB2118723A (en) Method and apparatus for determining characteristics of a multi-phase flow regime
EP0173605A2 (en) Methods and apparatus for measuring thermal neutron decay characteristics of earth formations
US4223218A (en) Methods and apparatus for optimizing measurements of thermal neutron decay characteristics
US3609366A (en) Systems for neutron decay time well logging
NO306185B1 (no) Forskyvningskompensering ved kjernefysisk mÕling under en boreoperasjon
US3707700A (en) Telemetry system incorporating synchromization of receiver with transmitter
US4292518A (en) Methods and apparatus for measuring thermal neutron decay characteristics of earth formations
US3566116A (en) Method and apparatus for measuring neutron characteristics of a material surrounding a well bore
NO142370B (no) Fremgangsmaate og apparat til frembringelse av en virkelig noeytronkarakteristikk for en jordformasjon
CA1099033A (en) Method of measuring horizontal fluid flow behind casing with sequential logging
US4122338A (en) Thermal neutron die away logging system with optimized gating
US3139528A (en) Neutron-gamma ray well logging device for distinguishing between shale and sandstone
US6124590A (en) Method for determining thermal neutron capture cross-section of earth formations using measurements from multiple capture gamma ray detectors
US3696884A (en) Methods and apparatus for acoustic logging in cased well bores
US4266126A (en) Pulsed radiation decay logging
US4224516A (en) Methods and apparatus for measuring thermal neutron decay characteristics of earth formations
JP2694200B2 (ja) マルチチャンネル蛍光減衰波形測定装置
US3988581A (en) Radioactive well logging system with shale (boron) compensation by gamma ray build-up
US4267447A (en) Methods and apparatus for measuring thermal neutron decay characteristics of earth formations
NO751595L (it)
CA1155559A (en) Method and apparatus for measuring thermal neutron decay characteristics

Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
BV The patent application has lapsed