NO318128B1 - Fremgangsmate og anordning for bestemmelse av formasjonsporositet ved hjelp av borehullsinvariant logging - Google Patents
Fremgangsmate og anordning for bestemmelse av formasjonsporositet ved hjelp av borehullsinvariant logging Download PDFInfo
- Publication number
- NO318128B1 NO318128B1 NO19971628A NO971628A NO318128B1 NO 318128 B1 NO318128 B1 NO 318128B1 NO 19971628 A NO19971628 A NO 19971628A NO 971628 A NO971628 A NO 971628A NO 318128 B1 NO318128 B1 NO 318128B1
- Authority
- NO
- Norway
- Prior art keywords
- borehole
- detector
- detector response
- porosity
- far
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 title claims 10
- 238000000034 method Methods 0.000 title claims 7
- 238000005755 formation reaction Methods 0.000 claims 9
- 239000012530 fluid Substances 0.000 claims 3
- 230000005855 radiation Effects 0.000 claims 3
- 239000000523 sample Substances 0.000 claims 3
- 230000035945 sensitivity Effects 0.000 claims 2
- 230000009466 transformation Effects 0.000 claims 2
- 238000005553 drilling Methods 0.000 claims 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
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 (3)
Publication Number | Publication Date |
---|---|
NO971628D0 NO971628D0 (no) | 1997-04-09 |
NO971628L NO971628L (no) | 1997-10-16 |
NO318128B1 true NO318128B1 (no) | 2005-02-07 |
Family
ID=26688034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO19971628A NO318128B1 (no) | 1996-04-15 | 1997-04-09 | Fremgangsmate og anordning for bestemmelse av formasjonsporositet ved hjelp av borehullsinvariant logging |
Country Status (8)
Country | Link |
---|---|
US (1) | US5767510A (pt) |
EP (1) | EP0802429B1 (pt) |
AU (1) | AU724756B2 (pt) |
BR (1) | BR9701793B1 (pt) |
CA (1) | CA2202310C (pt) |
DE (1) | DE69727724D1 (pt) |
GB (1) | GB2314927B (pt) |
NO (1) | NO318128B1 (pt) |
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 |
US6495837B2 (en) | 2001-03-14 | 2002-12-17 | Computalog U.S.A, Inc. | Geometrically optimized fast neutron detector |
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 |
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 |
ATE434197T1 (de) * | 2005-01-31 | 2009-07-15 | Prad Res & Dev Nv | Methode für eine bohrlochinvariante porösitätsmessung |
US7642507B2 (en) * | 2005-02-28 | 2010-01-05 | Schlumberger Technology Corporation | Apparatus and methods for interlaced density and neutron measurements |
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 |
US7294829B2 (en) * | 2005-04-27 | 2007-11-13 | Baker Hughes Incorporated | Method and apparatus for an improved formation density indicator using pulsed neutron instruments |
ATE505623T1 (de) * | 2006-07-24 | 2011-04-15 | 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 |
BRPI1015208A8 (pt) * | 2009-04-07 | 2018-03-27 | Baker Hughes Inc | método para tirar medições de densidade gama-gama |
GB2481159B (en) * | 2009-04-07 | 2013-06-19 | Baker Hughes Inc | Gamma ray generator |
JP2010280214A (ja) * | 2009-05-08 | 2010-12-16 | Rohm Co Ltd | サーマルプリントヘッド |
US9766368B2 (en) * | 2010-01-28 | 2017-09-19 | Baker Hughes Incorporated | Time dependent neutron-gamma spectroscopy |
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 |
WO2011140214A2 (en) | 2010-05-04 | 2011-11-10 | Smith International, Inc. | 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 |
US3971935A (en) * | 1973-05-01 | 1976-07-27 | Schlumberger Technology Corporation | Two detector pulsed neutron porosity and water salinity apparatus and methods |
CA1017464A (en) * | 1973-05-01 | 1977-09-13 | Schlumberger Canada Limited | 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 (en) * | 1991-06-18 | 1992-12-23 | Halliburton Company | Method and apparatus for correcting measurement-while-drilling porosity |
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 BR BRPI9701793-0A patent/BR9701793B1/pt not_active IP Right Cessation
- 1997-04-14 DE DE69727724T patent/DE69727724D1/de not_active Expired - Lifetime
- 1997-04-14 EP EP97302528A patent/EP0802429B1/en not_active Expired - Lifetime
- 1997-04-14 GB GB9707515A patent/GB2314927B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0802429B1 (en) | 2004-02-25 |
GB2314927A (en) | 1998-01-14 |
BR9701793A (pt) | 1998-06-23 |
GB9707515D0 (en) | 1997-06-04 |
EP0802429A2 (en) | 1997-10-22 |
BR9701793B1 (pt) | 2008-11-18 |
US5767510A (en) | 1998-06-16 |
EP0802429A3 (en) | 2002-01-16 |
GB2314927B (en) | 1998-06-24 |
AU724756B2 (en) | 2000-09-28 |
NO971628L (no) | 1997-10-16 |
DE69727724D1 (de) | 2004-04-01 |
CA2202310C (en) | 2002-07-02 |
NO971628D0 (no) | 1997-04-09 |
AU1775297A (en) | 1997-10-23 |
CA2202310A1 (en) | 1997-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO318128B1 (no) | Fremgangsmate og anordning for bestemmelse av formasjonsporositet ved hjelp av borehullsinvariant logging | |
US7253402B2 (en) | Apparatus and method for determining thermal neutron capture cross section of a subsurface formation from a borehole using multiple detectors | |
US6839000B2 (en) | Integrated, single collar measurement while drilling tool | |
NO342789B1 (no) | Boring av brønnboringer med optimale fysiske borestrengforhold | |
NO337982B1 (no) | Asimut gruppering av tetthets- og porøsitetsdata fra en jordformasjon | |
NO335897B1 (no) | Flerdybdefokusert resistivitetsavbildningsverktøy for anvendelse ved logging under utboring | |
CN101258425A (zh) | 使用脉冲中子装置的套管井眼内地层气体压力测量 | |
NO144308B (no) | Fremgangsmaate og apparat for logging i grunnformasjoner | |
CN1270270A (zh) | 根据中子孔隙度测量结果导出钻孔直径 | |
NO336619B1 (no) | Fremgangsmåte og utstyr for MWD-bestemmelse av undergrunnsparametere ved transient signalfiltrering | |
US20080116365A1 (en) | Gamma ray spectral tool for improved accuracy and reproducibility in wellbore logging | |
NO314861B1 (no) | Apparat og fremgangsmåte for å bestemme gassmetning i en formasjon | |
NO20043747L (no) | Fremgangsmate og anordning for bestemmelse av porositet for en formasjon rundt et borehull, ved maling pa noytroner | |
RU2503979C2 (ru) | Способ и устройство для обработки спектроскопических данных в скважине | |
NO854161L (no) | Fremgangsmaate og anordning for logging av et borehull under anvendelse av doble reduksjonsdetektorer. | |
CA2153629A1 (en) | Logging method and apparatus using a pad to measure density | |
CN101460868A (zh) | 用于在钻头前方以及在钻头处按照方位角确定地层电阻率的方法和设备 | |
US20170350235A1 (en) | Acoustic source identification apparatus, systems, and methods | |
US2289926A (en) | Well survey method and apparatus | |
US4189638A (en) | Water injection profiling by nuclear logging | |
US6885188B2 (en) | Detector assemblies and methods | |
EP3707535B1 (en) | Evaluation of formation composition using neutron induced gamma spectroscopy tools | |
CA2357216A1 (en) | Method and apparatuses for logging hydrocarbon reservoirs | |
NO319197B1 (no) | Fremgangsmate for orientering av et avviksverktoy i et borehull med magnetfeltforstyrrelser | |
EP4141216B1 (en) | Method for wellbore ranging and proximity detection |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |