DE69727724D1 - Verfahren zur Messung der Porosität mittels Neutronen - Google Patents
Verfahren zur Messung der Porosität mittels NeutronenInfo
- Publication number
- DE69727724D1 DE69727724D1 DE69727724T DE69727724T DE69727724D1 DE 69727724 D1 DE69727724 D1 DE 69727724D1 DE 69727724 T DE69727724 T DE 69727724T DE 69727724 T DE69727724 T DE 69727724T DE 69727724 D1 DE69727724 D1 DE 69727724D1
- Authority
- DE
- Germany
- Prior art keywords
- neutrons
- measuring porosity
- porosity
- measuring
- 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 - Lifetime
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
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1599296P | 1996-04-15 | 1996-04-15 | |
US08/664,759 US5767510A (en) | 1996-04-15 | 1996-06-17 | Borehole invariant porosity measurement system |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69727724D1 true DE69727724D1 (de) | 2004-04-01 |
Family
ID=26688034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69727724T Expired - Lifetime DE69727724D1 (de) | 1996-04-15 | 1997-04-14 | Verfahren zur Messung der Porosität mittels Neutronen |
Country Status (8)
Country | Link |
---|---|
US (1) | US5767510A (de) |
EP (1) | EP0802429B1 (de) |
AU (1) | AU724756B2 (de) |
BR (1) | BR9701793B1 (de) |
CA (1) | CA2202310C (de) |
DE (1) | DE69727724D1 (de) |
GB (1) | GB2314927B (de) |
NO (1) | NO318128B1 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6577697B2 (en) | 1997-07-09 | 2003-06-10 | Southwest Research Institute | Field analysis of geological samples using delayed neutron activation analysis |
US6285026B1 (en) | 1999-03-30 | 2001-09-04 | Schlumberger Technology Corporation | Borehole caliper derived from neutron porosity measurements |
US6167348A (en) * | 1999-05-27 | 2000-12-26 | Schlumberger Technology Corporation | Method and apparatus for ascertaining a characteristic of a geological formation |
US6648083B2 (en) | 2000-11-02 | 2003-11-18 | Schlumberger Technology Corporation | Method and apparatus for measuring mud and formation properties downhole |
US6566657B2 (en) | 2001-03-14 | 2003-05-20 | Richard C. Odom | Geometrically optimized fast neutron detector |
US6639210B2 (en) * | 2001-03-14 | 2003-10-28 | Computalog U.S.A., Inc. | Geometrically optimized fast neutron detector |
US6495837B2 (en) | 2001-03-14 | 2002-12-17 | Computalog U.S.A, Inc. | Geometrically optimized fast neutron detector |
US6738720B2 (en) * | 2001-11-29 | 2004-05-18 | Computalog U.S.A. | Apparatus and methods for measurement of density of materials using a neutron source and two spectrometers |
US7129477B2 (en) * | 2002-04-03 | 2006-10-31 | Baker Hughes Incorporated | Method of processing data from a dual detector LWD density logging instrument coupled with an acoustic standoff measurement |
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 |
GB2414544C (en) * | 2004-05-28 | 2010-03-22 | Reeves Wireline Tech Ltd | A method of compensating a density log |
EP1686396B1 (de) * | 2005-01-31 | 2009-06-17 | Services Petroliers Schlumberger | Methode für eine bohrlochinvariante Porösitätsmessung |
US7361886B2 (en) * | 2005-02-28 | 2008-04-22 | Schlumberger Technology Corporation | Corrections of gamma-ray responses |
US7365307B2 (en) * | 2005-02-28 | 2008-04-29 | Schlumberger Technology Corporation | Sigma/porosity tools with neutron monitors |
US7642507B2 (en) * | 2005-02-28 | 2010-01-05 | Schlumberger Technology Corporation | Apparatus and methods for interlaced density and neutron measurements |
US7294829B2 (en) * | 2005-04-27 | 2007-11-13 | Baker Hughes Incorporated | Method and apparatus for an improved formation density indicator using pulsed neutron instruments |
DE602006021294D1 (de) * | 2006-07-24 | 2011-05-26 | Prad Res & Dev Nv | Verfahren und Vorrichtung für Mikrobildgebung |
US7667192B2 (en) * | 2007-08-16 | 2010-02-23 | Schlumberger Technology Corporation | Thermal neutron porosity from neutron slowing-down length, formation thermal neutron capture cross section, and bulk density |
BRPI1015206A2 (pt) * | 2009-04-07 | 2016-04-26 | Baker Hughes Inc | gerador de raios gama |
WO2010118120A2 (en) * | 2009-04-07 | 2010-10-14 | Baker Hughes Incorporated | Method for taking gamma-gamma density measurements |
US8310511B2 (en) * | 2009-05-08 | 2012-11-13 | Rohm Co., Ltd. | Thermal printhead |
US8853618B2 (en) * | 2010-01-28 | 2014-10-07 | Baker Hughes Incorporated | Time dependent measurement of formation properties using pulsed neutron generators |
US9031790B2 (en) * | 2010-03-23 | 2015-05-12 | Schlumberger Technology Corporation | System and method for correction of borehole effects in a neutron porosity measurement |
US9372277B2 (en) * | 2010-04-21 | 2016-06-21 | Schlumberger Technology Corporation | Neutron porosity downhole tool with improved precision and reduced lithology effects |
US8803078B2 (en) | 2010-05-04 | 2014-08-12 | Schlumberger Technology Corporation | Method and apparatus for neutron logging using a position sensitive neutron detector |
US9360585B2 (en) | 2011-05-23 | 2016-06-07 | Schlumberger Technology Corporation | Borehole independent neutron porosity measurement |
RU2624996C1 (ru) * | 2016-06-03 | 2017-07-11 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" (ФГУП "ВНИИА") | Скважинное устройство для измерения нейтронной пористости |
RU2690095C1 (ru) * | 2018-01-24 | 2019-05-30 | Федеральное Государственное Унитарное Предприятие "Всероссийский Научно-Исследовательский Институт Автоматики Им.Н.Л.Духова" (Фгуп "Внииа") | Устройство для измерения нейтронной пористости |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3483376A (en) * | 1966-08-03 | 1969-12-09 | Schlumberger Technology Corp | Two neutron detector earth formation porosity logging technique |
CA1017464A (en) * | 1973-05-01 | 1977-09-13 | Schlumberger Canada Limited | Two detector pulsed neutron porosity and water salinity apparatus and methods |
US3971935A (en) * | 1973-05-01 | 1976-07-27 | Schlumberger Technology Corporation | Two detector pulsed neutron porosity and water salinity apparatus and methods |
US3942004A (en) * | 1974-05-16 | 1976-03-02 | Applied Inventions Corporation | Dual spaced, borehole compensated neutron well logging instrument |
US4384205A (en) * | 1980-11-05 | 1983-05-17 | Schlumberger Technology Corporation | Neutron method and apparatus for determining total cross-section |
US4423323A (en) * | 1981-09-09 | 1983-12-27 | Schlumberger Technology Corporation | Neutron logging method and apparatus for determining a formation characteristic free of environmental effects |
US4791797A (en) * | 1986-03-24 | 1988-12-20 | Nl Industries, Inc. | Density neutron self-consistent caliper |
US4910397A (en) * | 1989-01-10 | 1990-03-20 | Mobil Oil Corporation | Pulsed neutron porosity logging |
US4947683A (en) * | 1989-08-03 | 1990-08-14 | Halliburton Logging Services, Inc. | Pulsed ultrasonic doppler borehole fluid measuring apparatus |
US5377105A (en) * | 1991-04-12 | 1994-12-27 | Halliburton Logging Services | Enhanced vertical resolution processing of dual-spaced neutron and density tools |
EP0519675A1 (de) * | 1991-06-18 | 1992-12-23 | Halliburton Company | Verfahren und Vorrichtung zum Korrigieren der Porösität bei einem Messen während des Bohrens(System) |
US5175429A (en) * | 1991-08-30 | 1992-12-29 | Baker Hughes Incorporated | Stand-off compensation for nuclear MWD measurement |
US5272629A (en) * | 1992-04-09 | 1993-12-21 | Baker Hughes Incorporated | Method for determining the slowing down length and the porosity of a formation surrounding a borehole |
-
1996
- 1996-06-17 US US08/664,759 patent/US5767510A/en not_active Expired - Lifetime
-
1997
- 1997-04-07 AU AU17752/97A patent/AU724756B2/en not_active Ceased
- 1997-04-09 NO NO19971628A patent/NO318128B1/no not_active IP Right Cessation
- 1997-04-10 CA CA002202310A patent/CA2202310C/en not_active Expired - Fee Related
- 1997-04-14 EP EP97302528A patent/EP0802429B1/de not_active Expired - Lifetime
- 1997-04-14 GB GB9707515A patent/GB2314927B/en not_active Expired - Fee Related
- 1997-04-14 BR BRPI9701793-0A patent/BR9701793B1/pt not_active IP Right Cessation
- 1997-04-14 DE DE69727724T patent/DE69727724D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU1775297A (en) | 1997-10-23 |
NO971628D0 (no) | 1997-04-09 |
GB2314927A (en) | 1998-01-14 |
US5767510A (en) | 1998-06-16 |
NO318128B1 (no) | 2005-02-07 |
GB9707515D0 (en) | 1997-06-04 |
CA2202310C (en) | 2002-07-02 |
BR9701793B1 (pt) | 2008-11-18 |
EP0802429B1 (de) | 2004-02-25 |
AU724756B2 (en) | 2000-09-28 |
EP0802429A2 (de) | 1997-10-22 |
CA2202310A1 (en) | 1997-10-15 |
BR9701793A (pt) | 1998-06-23 |
EP0802429A3 (de) | 2002-01-16 |
GB2314927B (en) | 1998-06-24 |
NO971628L (no) | 1997-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |