NO170955C - Fremgangsmaate og apparat for noeytronlevetids-logging - Google Patents

Fremgangsmaate og apparat for noeytronlevetids-logging

Info

Publication number: NO170955C
Authority: NO; Norway
Prior art keywords: noeytron; procedure; life logging; logging; life
Prior art date: 1985-04-24

Application number

NO861594A

Other languages

English (en)

Other versions

NO861594L (no

NO170955B (no

Inventor

Linus Scott Allen

Jr William Raymond Mills

David Charles Stromswold

Original Assignee

Mobil Oil 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.)

1985-04-24

Filing date

1986-04-23

Publication date

1992-12-30

1986-04-23 Application filed by Mobil Oil Corp filed Critical Mobil Oil Corp

1986-10-27 Publication of NO861594L publication Critical patent/NO861594L/no

1992-09-21 Publication of NO170955B publication Critical patent/NO170955B/no

1992-12-30 Publication of NO170955C publication Critical patent/NO170955C/no

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
- G01V5/107—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 reflected or back-scattered neutrons
- 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
- 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
- G01V5/104—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 secondary Y-rays as well as reflected or back-scattered neutrons

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)
Developing Agents For Electrophotography (AREA)
Magnetic Record Carriers (AREA)
Analysing Materials By The Use Of Radiation (AREA)

NO861594A 1985-04-24 1986-04-23 Fremgangsmaate og apparat for noeytronlevetids-logging NO170955C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US72673985A	1985-04-24	1985-04-24

Publications (3)

Publication Number	Publication Date
NO861594L NO861594L (no)	1986-10-27
NO170955B NO170955B (no)	1992-09-21
NO170955C true NO170955C (no)	1992-12-30

Family

ID=24919806

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO861594A NO170955C (no)	1985-04-24	1986-04-23	Fremgangsmaate og apparat for noeytronlevetids-logging

Country Status (4)

Country	Link
EP (1)	EP0203690B1 (no)
CA (1)	CA1262495A (no)
DE (1)	DE3672396D1 (no)
NO (1)	NO170955C (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4972082A (en) *	1989-03-16	1990-11-20	Schlumberger Technology Corporation	Methods and apparatus for epithermal neutron logging
US5068531A (en) *	1991-04-04	1991-11-26	Mobil Oil Corporation	Method and apparatus for producing a porosity log of a subsurface formation corrected for detector standoff
US5235185A (en) *	1992-01-09	1993-08-10	Schlumberger Technology Corporation	Formation sigma measurement from thermal neutron detection
DE4423780A1 (de) *	1994-06-30	1996-01-04	Klaus Dr Buckup	Fokussierhülle für Neutronendetektoren
DE102004024237B4 (de) *	2004-05-15	2010-11-04	Bohrlochmessung-Storkow Gmbh	Messsonde zur bohrlochgeophysikalischen Messung der Dichte nach dem Gamma-Gamma-Rückstreuprinzip
US8080781B2 (en) *	2009-03-13	2011-12-20	Baker Hughes Incorporated	Configuration design of detector shielding for wireline and MWD/LWD down-hole thermal neutron porosity tools

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2769918A (en) *	1952-10-02	1956-11-06	Gulf Research Development Co	Epithermal neutron logging method using collimation
US2879402A (en) *	1953-07-03	1959-03-24	Schlumberger Well Surv Corp	Directional neutron detector
US3032658A (en) *	1957-01-22	1962-05-01	Well Surveys Inc	Radiation detectors

1986
- 1986-04-04 CA CA000505891A patent/CA1262495A/en not_active Expired
- 1986-04-11 DE DE8686302702T patent/DE3672396D1/de not_active Expired - Fee Related
- 1986-04-11 EP EP19860302702 patent/EP0203690B1/en not_active Expired
- 1986-04-23 NO NO861594A patent/NO170955C/no not_active IP Right Cessation

Also Published As

Publication number	Publication date
CA1262495A (en)	1989-10-24
EP0203690A1 (en)	1986-12-03
NO861594L (no)	1986-10-27
EP0203690B1 (en)	1990-07-04
NO170955B (no)	1992-09-21
DE3672396D1 (de)	1990-08-09

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Legal Events

Date	Code	Title	Description
2002-12-09	MM1K	Lapsed by not paying the annual fees	Free format text: LAPSED IN OCTOBER 2002