NO960675D0 - Loggeverktöy samt fremgangsmåte for bruk av dette - Google Patents
Loggeverktöy samt fremgangsmåte for bruk av detteInfo
- Publication number
- NO960675D0 NO960675D0 NO960675A NO960675A NO960675D0 NO 960675 D0 NO960675 D0 NO 960675D0 NO 960675 A NO960675 A NO 960675A NO 960675 A NO960675 A NO 960675A NO 960675 D0 NO960675 D0 NO 960675D0
- Authority
- NO
- Norway
- Prior art keywords
- methods
- logging tools
- logging
- tools
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T3/00—Measuring neutron radiation
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/394,289 US5581079A (en) | 1995-02-24 | 1995-02-24 | Epithermal neutron detector having enhanced efficiency |
Publications (3)
Publication Number | Publication Date |
---|---|
NO960675D0 true NO960675D0 (no) | 1996-02-20 |
NO960675L NO960675L (no) | 1996-08-26 |
NO308816B1 NO308816B1 (no) | 2000-10-30 |
Family
ID=23558324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO960675A NO308816B1 (no) | 1995-02-24 | 1996-02-20 | Brønnlogging ved hjelp av et loggeverktøy med en epitermisk nøytrondetektor med reflektor som omslutter telleren |
Country Status (5)
Country | Link |
---|---|
US (1) | US5581079A (no) |
CA (1) | CA2168997C (no) |
GB (1) | GB2299443B (no) |
NL (1) | NL1002438C2 (no) |
NO (1) | NO308816B1 (no) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5789752A (en) * | 1996-05-22 | 1998-08-04 | Western Atlas International, Inc. | Thermal neutron porosity measurement apparatus and method using an accelerator type high-energy neutron source |
GB0110208D0 (en) * | 2001-04-26 | 2001-06-20 | British Nuclear Fuels Plc | Improvements in and relating to detectors |
KR100931827B1 (ko) * | 2007-02-02 | 2009-12-15 | 한국원자력연구원 | 환형 He―3 검출기를 장착한 우물형 중성자 계수기 |
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 |
WO2014070184A1 (en) * | 2012-11-01 | 2014-05-08 | Halliburton Energy Services, Inc. | Methods and systems for detecting epithermal and thermal neutrons |
AU2016403735A1 (en) * | 2016-04-19 | 2018-09-13 | Halliburton Energy Services, Inc. | Identification of annulus materials using formation porosity |
CN109893780B (zh) * | 2019-04-19 | 2021-07-23 | 兰州大学 | 一种bnct用超热中子通量探测器 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB862379A (en) * | 1957-11-22 | 1961-03-08 | Siemens Ag | Improvements in or relating to neutron detectors |
US3349243A (en) * | 1962-12-07 | 1967-10-24 | Siemens Ag | Device for measuring neutron current densities having a concave neutron reflector |
GB1019590A (en) * | 1965-01-01 | 1966-02-09 | Eberline Instr Corp | Fast and slow neutron counter |
GB1180450A (en) * | 1967-03-17 | 1970-02-04 | Rheinische Kalksteinwerke | Arrangements for Determining the Moisture Content of Solid Substances by means of Neutron Irradiation |
US3823319A (en) * | 1970-08-21 | 1974-07-09 | Schlumberger Technology Corp | Porosity determination with mudcake correction |
DE2447817C3 (de) * | 1974-10-08 | 1978-09-07 | Kernforschungsanlage Juelich Gmbh, 5170 Juelich | Gerät zur Bestimmung der Äquivalentdosis oder der Äquivalentdosisleistung von Neutronen |
US4152590A (en) * | 1977-05-19 | 1979-05-01 | Texaco Inc. | Simultaneous thermal neutron decay time and porosity logging system |
FR2620235B1 (fr) * | 1987-09-08 | 1989-11-17 | Commissariat Energie Atomique | Dispositif de controle de criticite et de mesure de concentration de matiere fissile |
US4556793A (en) * | 1983-04-07 | 1985-12-03 | Mobil Oil Corporation | Epithermal neutron lifetime logging |
US4590370A (en) * | 1983-04-22 | 1986-05-20 | Mobil Oil Corporation | Epithermal neutron die-away logging |
US4581532A (en) * | 1984-07-06 | 1986-04-08 | Mobil Oil Corporation | Directional epithermal neutron detector |
ATE67318T1 (de) * | 1986-06-05 | 1991-09-15 | Schlumberger Ltd | Bohrlochvorrichtung mit einer beschleunigerneutronenquelle. |
US4973839A (en) * | 1989-03-23 | 1990-11-27 | Schlumberger Technology Corporation | Method and apparatus for epithermal neutron decay 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 |
-
1995
- 1995-02-24 US US08/394,289 patent/US5581079A/en not_active Expired - Lifetime
-
1996
- 1996-02-07 CA CA002168997A patent/CA2168997C/en not_active Expired - Fee Related
- 1996-02-20 NO NO960675A patent/NO308816B1/no unknown
- 1996-02-23 NL NL1002438A patent/NL1002438C2/nl not_active IP Right Cessation
- 1996-02-23 GB GB9604616A patent/GB2299443B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NO960675L (no) | 1996-08-26 |
CA2168997A1 (en) | 1996-08-25 |
US5581079A (en) | 1996-12-03 |
NL1002438C2 (nl) | 1999-03-12 |
NL1002438A1 (nl) | 1996-08-28 |
CA2168997C (en) | 1999-11-16 |
GB2299443B (en) | 1999-07-21 |
GB2299443A (en) | 1996-10-02 |
GB9604616D0 (en) | 1996-05-01 |
NO308816B1 (no) | 2000-10-30 |
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