DE68915535D1 - Messung der Porosität mittels gepulster Neutronen. - Google Patents
Messung der Porosität mittels gepulster Neutronen.Info
- Publication number
- DE68915535D1 DE68915535D1 DE68915535T DE68915535T DE68915535D1 DE 68915535 D1 DE68915535 D1 DE 68915535D1 DE 68915535 T DE68915535 T DE 68915535T DE 68915535 T DE68915535 T DE 68915535T DE 68915535 D1 DE68915535 D1 DE 68915535D1
- Authority
- DE
- Germany
- Prior art keywords
- porosity measurement
- pulsed neutrons
- neutrons
- pulsed
- porosity
- 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 - Fee Related
Links
- 238000005259 measurement Methods 0.000 title 1
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
- G01V5/104—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 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/295,619 US4910397A (en) | 1989-01-10 | 1989-01-10 | Pulsed neutron porosity logging |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68915535D1 true DE68915535D1 (de) | 1994-06-30 |
DE68915535T2 DE68915535T2 (de) | 1994-09-01 |
Family
ID=23138502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68915535T Expired - Fee Related DE68915535T2 (de) | 1989-01-10 | 1989-12-14 | Messung der Porosität mittels gepulster Neutronen. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4910397A (de) |
EP (1) | EP0387449B1 (de) |
CA (1) | CA2006638C (de) |
DE (1) | DE68915535T2 (de) |
NO (1) | NO301738B1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5051581A (en) * | 1990-05-01 | 1991-09-24 | Schlumberger Technology Corporation | Method and apparatus for epithermal neutron porosity well logging |
US5252832A (en) * | 1992-03-06 | 1993-10-12 | Halliburton Company | Method of using thermal neutrons to evaluate gravel pack slurry |
US5349184A (en) * | 1993-01-21 | 1994-09-20 | Schlumberger Technology Corporation | Method and apparatus for reducing matrix density effects on porosity measurements during epithermal neutron porosity well logging |
EP0677754B1 (de) * | 1994-04-12 | 2004-12-15 | Schlumberger Limited | Bohrlochvorrichtung mit einer Beschleunigerneutronenquelle |
US5532481A (en) * | 1995-03-23 | 1996-07-02 | Western Atlas International, Inc. | System for measuring epithermal neutron porosity having reduced borehole effect |
US5767510A (en) * | 1996-04-15 | 1998-06-16 | Schlumberger Technology Corporation | Borehole invariant porosity measurement system |
US20030076914A1 (en) * | 2001-10-23 | 2003-04-24 | Tiller Donald E. | Method and apparatus for measuring radiation in a borehole |
US6894274B2 (en) * | 2002-12-11 | 2005-05-17 | Pathfinder Energy Services, Inc. | Estimation of formation porosity using water measurement |
US7112783B2 (en) * | 2003-09-08 | 2006-09-26 | Schlumberger Technology Corporation | Neutron measurement method for determining porosity of a formation surrounding a borehole |
US7461483B2 (en) * | 2006-09-11 | 2008-12-09 | Dana Innovations | Devices and methods for flangeless installations |
US9766368B2 (en) * | 2010-01-28 | 2017-09-19 | Baker Hughes Incorporated | Time dependent neutron-gamma spectroscopy |
US8891721B1 (en) | 2011-03-30 | 2014-11-18 | Sandia Corporation | Neutron generators with size scalability, ease of fabrication and multiple ion source functionalities |
RU2462736C1 (ru) * | 2011-04-27 | 2012-09-27 | Общество с Ограниченной Ответственностью "ТНГ-Групп" | Способ определения пористости пластов на основе регистрации надтепловых нейтронов и устройство для его осуществления |
RU2468393C1 (ru) * | 2011-07-06 | 2012-11-27 | Общество с Ограниченной Ответственностью "ТНГ-Групп" | Способ и устройство определения пористости и насыщенности пластов одновременно по тепловым и надтепловым нейтронам |
US9341737B2 (en) | 2014-02-11 | 2016-05-17 | Baker Hughes Incorporated | Measuring total, epithermal and thermal neutron formation porosities with one single set of neutron detectors and a pulsed neutron generator |
US10585209B2 (en) | 2017-09-18 | 2020-03-10 | Baker Hughes, A Ge Company, Llc | Gamma ray spectra contrast sharpening |
US11215732B2 (en) | 2017-09-25 | 2022-01-04 | Baker Hughes Holdings Llc | Geological constraint using probability functions in stochastic mineralogy modeling |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3800150A (en) * | 1972-05-09 | 1974-03-26 | Mobil Oil Corp | Method and apparatus for radioactive well logging employing partially overlapping time windows for detection of radiation |
US3906224A (en) * | 1972-05-17 | 1975-09-16 | Texaco Inc | Dual spaced epithermal neutron detector porosity logging with AcBe source |
US4097737A (en) * | 1976-11-01 | 1978-06-27 | Mobil Oil Corporation | Epithermal die-away porosity logging |
US4137450A (en) * | 1977-06-13 | 1979-01-30 | Dresser Industries, Inc. | Dual detector pulsed neutron logging for providing indication of formation porosity |
US4241253A (en) * | 1978-11-24 | 1980-12-23 | Mobil Oil Corporation | Epithermal neutron detector |
US4266126A (en) * | 1979-06-25 | 1981-05-05 | Mobil Oil Corporation | Pulsed radiation decay logging |
US4283624A (en) * | 1979-06-25 | 1981-08-11 | Mobil Oil Corporation | Epithermal neutron decay logging |
US4302669A (en) * | 1979-07-09 | 1981-11-24 | Mobil Oil Corporation | Neutron thermalization time logging |
US4506156A (en) * | 1981-07-31 | 1985-03-19 | Gearhart Industries, Inc. | Earth formation porosity determination with dual epithermal neutron detector system |
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 |
US4638161A (en) * | 1983-10-24 | 1987-01-20 | Halliburton Company | Epithermal neutron porosity measurement |
US4625110A (en) * | 1983-10-24 | 1986-11-25 | Halliburton Company | Epithermal neutron porosity measurement |
US4581532A (en) * | 1984-07-06 | 1986-04-08 | Mobil Oil Corporation | Directional epithermal neutron detector |
US4692617A (en) * | 1985-06-03 | 1987-09-08 | Mobil Oil Corporation | Method and system for neutron lifetime logging |
-
1989
- 1989-01-10 US US07/295,619 patent/US4910397A/en not_active Expired - Lifetime
- 1989-12-14 DE DE68915535T patent/DE68915535T2/de not_active Expired - Fee Related
- 1989-12-14 EP EP89313121A patent/EP0387449B1/de not_active Expired - Lifetime
- 1989-12-27 CA CA002006638A patent/CA2006638C/en not_active Expired - Lifetime
-
1990
- 1990-01-09 NO NO900095A patent/NO301738B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0387449A3 (de) | 1993-01-07 |
US4910397A (en) | 1990-03-20 |
NO301738B1 (no) | 1997-12-01 |
CA2006638C (en) | 1998-12-01 |
NO900095L (no) | 1990-07-11 |
CA2006638A1 (en) | 1990-07-10 |
DE68915535T2 (de) | 1994-09-01 |
EP0387449B1 (de) | 1994-05-25 |
EP0387449A2 (de) | 1990-09-19 |
NO900095D0 (no) | 1990-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |