NO313438B1 - Fremgangsmåte og apparat for bestemmelse av grunnformasjoners densitet - Google Patents
Fremgangsmåte og apparat for bestemmelse av grunnformasjoners densitet Download PDFInfo
- Publication number
- NO313438B1 NO313438B1 NO19970628A NO970628A NO313438B1 NO 313438 B1 NO313438 B1 NO 313438B1 NO 19970628 A NO19970628 A NO 19970628A NO 970628 A NO970628 A NO 970628A NO 313438 B1 NO313438 B1 NO 313438B1
- Authority
- NO
- Norway
- Prior art keywords
- detector
- neutron
- formation
- formations
- density
- Prior art date
Links
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- 238000005755 formation reaction Methods 0.000 title claims description 99
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- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
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- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical class OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
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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
- G01V5/101—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
- G01V5/107—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)
- Analysing Materials By The Use Of Radiation (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/599,712 US5608215A (en) | 1994-09-16 | 1996-02-12 | Method and apparatus for determining density of earth formations |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO970628D0 NO970628D0 (no) | 1997-02-11 |
| NO970628L NO970628L (no) | 1997-08-13 |
| NO313438B1 true NO313438B1 (no) | 2002-09-30 |
Family
ID=24400768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19970628A NO313438B1 (no) | 1996-02-12 | 1997-02-11 | Fremgangsmåte og apparat for bestemmelse av grunnformasjoners densitet |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5608215A (fr) |
| EP (1) | EP0790508B1 (fr) |
| CN (1) | CN1158541C (fr) |
| AU (1) | AU722029B2 (fr) |
| BR (1) | BR9700909B1 (fr) |
| CA (1) | CA2196636C (fr) |
| CO (1) | CO5040208A1 (fr) |
| DE (1) | DE69737959T2 (fr) |
| ID (1) | ID16452A (fr) |
| MY (1) | MY119506A (fr) |
| NO (1) | NO313438B1 (fr) |
Families Citing this family (68)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5804820A (en) * | 1994-09-16 | 1998-09-08 | Schlumberger Technology Corporation | Method for determining density of an earth formation |
| US5900627A (en) * | 1997-06-19 | 1999-05-04 | Computalog Research, Inc. | Formation density measurement utilizing pulse neutrons |
| GB9801010D0 (en) | 1998-01-16 | 1998-03-18 | Flight Refueling Ltd | Data transmission systems |
| GB2338730B (en) | 1998-06-26 | 2002-12-24 | Wireline Technologies Ltd | Well logging apparatus |
| US7407006B2 (en) * | 1999-01-04 | 2008-08-05 | Weatherford/Lamb, Inc. | System for logging formations surrounding a wellbore |
| US7513305B2 (en) * | 1999-01-04 | 2009-04-07 | Weatherford/Lamb, Inc. | Apparatus and methods for operating a tool in a wellbore |
| US6439046B1 (en) * | 2000-08-15 | 2002-08-27 | Baker Hughes Incorporated | Apparatus and method for synchronized formation measurement |
| US6781115B2 (en) | 2001-03-30 | 2004-08-24 | Schlumberger Technology Corporation | Subsurface radiation phenomena detection with combined and azimuthally sensitive detectors |
| FR2824638B1 (fr) * | 2001-05-11 | 2003-07-04 | Schlumberger Services Petrol | Porte-outil pour moyens de mesure |
| GB2399111B (en) * | 2003-03-07 | 2005-10-05 | Schlumberger Holdings | Methods for detecting while drilling underbalanced the presence and depth of water produced from the formation and for measuring parameters related thereto |
| US8050866B2 (en) | 2003-09-25 | 2011-11-01 | Halliburton Energy Services, Inc. | Pulsed-neutron formation density |
| US7642507B2 (en) * | 2005-02-28 | 2010-01-05 | Schlumberger Technology Corporation | Apparatus and methods for interlaced density and neutron measurements |
| CN100455768C (zh) * | 2005-06-13 | 2009-01-28 | 中国石油大学(北京) | 确定扩径层段地层密度的方法 |
| US7613665B2 (en) * | 2005-06-24 | 2009-11-03 | Halliburton Energy Services, Inc. | Ensembles of neural networks with different input sets |
| US7587373B2 (en) * | 2005-06-24 | 2009-09-08 | Halliburton Energy Services, Inc. | Neural network based well log synthesis with reduced usage of radioisotopic sources |
| US7511266B1 (en) | 2006-12-06 | 2009-03-31 | Bothner Ronald E | Irradiated formation tool (IFT) apparatus and method |
| US8065244B2 (en) * | 2007-03-14 | 2011-11-22 | Halliburton Energy Services, Inc. | Neural-network based surrogate model construction methods and applications thereof |
| EP2176690A2 (fr) | 2007-08-08 | 2010-04-21 | Schlumberger Technology B.V. | Générateur de rayonnement et configuration de bloc d'alimentation pour instruments de diagraphie de puits |
| US8895914B2 (en) | 2007-08-10 | 2014-11-25 | Schlumberger Technology Corporation | Ruggedized neutron shields |
| US7633058B2 (en) * | 2007-12-04 | 2009-12-15 | Schlumberger Technology Corporation | Hermetically sealed packaging and neutron shielding for scintillation-type radiation detectors |
| US20090182693A1 (en) * | 2008-01-14 | 2009-07-16 | Halliburton Energy Services, Inc. | Determining stimulation design parameters using artificial neural networks optimized with a genetic algorithm |
| WO2009121131A1 (fr) * | 2008-03-31 | 2009-10-08 | Southern Innovation International Pty Ltd | Procédé et appareil de diagraphie de forage |
| US10061055B2 (en) | 2008-06-25 | 2018-08-28 | Schlumberger Technology Corporation | Absolute elemental concentrations from nuclear spectroscopy |
| US9514388B2 (en) * | 2008-08-12 | 2016-12-06 | Halliburton Energy Services, Inc. | Systems and methods employing cooperative optimization-based dimensionality reduction |
| 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 |
| US8440961B2 (en) | 2009-04-07 | 2013-05-14 | Baker Hughes Incorporated | Gamma ray generator |
| GB2481158B (en) * | 2009-04-07 | 2013-05-29 | Baker Hughes Inc | Method for taking gamma-gamma density measurements |
| EP2241906B1 (fr) | 2009-04-17 | 2015-04-01 | Services Pétroliers Schlumberger | Procédé de détermination de la densité de formations souterraines à l'aide de mesures avec des rayons neutron gamma |
| EP2433162A4 (fr) * | 2009-05-22 | 2015-05-06 | Schlumberger Technology Bv | Optimisation d'instruments émetteurs de neutron-gamma pour diagraphie à rayon gamma inélastique |
| US8431885B2 (en) | 2010-05-19 | 2013-04-30 | Schlumberger Technology Corporation | Gamma-ray detectors for downhole applications |
| US8421004B2 (en) * | 2009-06-12 | 2013-04-16 | Baker Hughes Incorporated | Nuclear detectors built directly into shielding or modulating material |
| EP2275840B1 (fr) | 2009-07-16 | 2013-09-25 | Services Pétroliers Schlumberger | Appareil et procédés pour mesurer les caractéristiques de formation |
| US8338777B2 (en) * | 2009-09-09 | 2012-12-25 | Bake Hughes Incorporated | Apparatus and method for well logging utilizing associate particle imaging |
| US9658361B2 (en) * | 2010-02-01 | 2017-05-23 | Baker Hughes Incorporated | Lithology pair ratio: a ratio-based lithology indicator using pair production |
| US8700333B2 (en) * | 2010-02-01 | 2014-04-15 | Baker Hughes Incorporated | Apparatus and algorithm for measuring formation bulk density |
| US8791407B2 (en) * | 2010-02-24 | 2014-07-29 | Halliburton Energy Services, Inc. | Gamma-gamma density measurement system for high-pressure, high-temperature measurements |
| US8907270B2 (en) | 2010-06-30 | 2014-12-09 | Schlumberger Technology Corporation | Method and apparatus for gain regulation in a gamma detector |
| US9304214B2 (en) | 2010-06-30 | 2016-04-05 | Schlumberger Technology Corporation | Neutron detection using a shielded gamma detector |
| US9057794B2 (en) * | 2010-08-26 | 2015-06-16 | Schlumberger Technology Corporation | Method for measuring subterranean formation density using a neutron generator |
| US8664587B2 (en) | 2010-11-19 | 2014-03-04 | Schlumberger Technology Corporation | Non-rotating logging-while-drilling neutron imaging tool |
| US8686348B2 (en) | 2011-02-08 | 2014-04-01 | Schlumberger Technology Corporation | High voltage insulating sleeve for nuclear well logging |
| US20130105679A1 (en) * | 2011-10-28 | 2013-05-02 | Ge Energy Oilfield Technology, Inc. | Dual gamma ray and neutron detector in a multi-sensor apparatus and related methods |
| US10197701B2 (en) * | 2012-04-03 | 2019-02-05 | J.M. Wood Investments Ltd. | Logging tool for determination of formation density and methods of use |
| US10379253B2 (en) | 2013-05-15 | 2019-08-13 | Schlumberger Technology Corporation | Borehole fluid effect correction for pulsed neutron porosity measurements |
| US11226218B2 (en) | 2013-11-08 | 2022-01-18 | Schlumberger Technology Corporation | Flow regime recognition for flow model adaptation |
| RU2665330C2 (ru) | 2013-11-08 | 2018-08-29 | Шлюмбергер Текнолоджи Б.В. | Спектральный анализ с использованием спектральной деконволюции |
| EP2887104A1 (fr) * | 2013-12-23 | 2015-06-24 | Services Pétroliers Schlumberger | Fenêtre à rayons gamma absorbant les neutrons dans un outil de forage |
| CN103760182A (zh) * | 2014-01-02 | 2014-04-30 | 中国石油天然气股份有限公司 | 一种评价烃源岩有机质丰度的方法及装置 |
| US9310515B2 (en) | 2014-03-21 | 2016-04-12 | Schlumberger Technology Corporation | Method for using neutron interaction cross section to interpret neutron measurements |
| US10401530B2 (en) * | 2014-05-05 | 2019-09-03 | Vale S.A. | Method and system for quality control in gamma-gamma data during mineral exploration |
| CN104329075B (zh) * | 2014-09-05 | 2017-01-18 | 西安奥华电子仪器股份有限公司 | 元素测井中元素俘获标准谱的获取方法 |
| US9389334B2 (en) | 2014-11-13 | 2016-07-12 | Schlumberger Technology Corporation | Radiation generator having an actively evacuated acceleration column |
| US9995842B2 (en) | 2015-05-29 | 2018-06-12 | Schlumberger Technology Corporation | Borehole fluid and/or casing effect correction for pulsed neutron measurements |
| US10466383B2 (en) | 2015-05-29 | 2019-11-05 | Schlumberger Technology Corporation | Method for using neutron interaction cross section to interpret neutron measurements |
| US9835758B2 (en) * | 2015-10-22 | 2017-12-05 | Schlumberger Technology Corporation | Method for filtering for interpretation of neutron induced gamma ray measurements |
| WO2017105269A1 (fr) * | 2015-12-15 | 2017-06-22 | Baker Hughes Incorporated | Détermination de concentration d'éléments chimiques dans une formation terrestre à partir de mesures de rayonnement de deux détecteurs non coaxiaux |
| US10001582B2 (en) | 2016-02-04 | 2018-06-19 | Schlumberger Technology Corporation | Method for using pulsed neutron induced gamma ray measurements to determine formation properties |
| US10139518B2 (en) | 2016-06-09 | 2018-11-27 | Schlumberger Technology Corporation | Neutron gamma density correction using elemental spectroscopy |
| US10908101B2 (en) | 2018-11-16 | 2021-02-02 | Core Laboratories Lp | System and method for analyzing subsurface core samples |
| CN110042821B (zh) * | 2019-03-19 | 2020-07-24 | 内蒙古大学公路工程试验检测中心 | 一种路基压实度智能检测装置及方法 |
| US11378715B2 (en) * | 2020-05-28 | 2022-07-05 | Halliburton Energy Services, Inc. | Density measurement of a selected layer by gamma spectral deconvolution |
| CN111859675B (zh) * | 2020-07-23 | 2022-09-13 | 东华理工大学 | 一种基于铀裂变瞬发中子测井数据泥浆密度修正方法 |
| US11940591B2 (en) * | 2020-08-07 | 2024-03-26 | Nabors Drilling Technologies Usa, Inc. | Gamma ray logging tool with detector window |
| CN112411510A (zh) * | 2020-10-19 | 2021-02-26 | 深圳亚纳海洋科技有限公司 | 一种基于可控放射源的静力触探装置及其测试方法 |
| CN113123779B (zh) * | 2021-04-06 | 2023-08-18 | 长江大学 | 一种基于铁非弹性散射伽马的随钻气层识别装置及方法 |
| US11815478B2 (en) | 2021-05-19 | 2023-11-14 | Halliburton Energy Services, Inc. | Through-tubing, cased-hole sealed material density evaluation using gamma ray measurements |
| WO2023122186A1 (fr) * | 2021-12-21 | 2023-06-29 | Schlumberger Technology Corporation | Procédé et appareil pour mesurer la concentration en sulfure d'hydrogène d'un mélange gazeux avec absorption de rayons gamma |
| CN118377063A (zh) * | 2024-06-25 | 2024-07-23 | 中海油田服务股份有限公司 | 综合性测井仪 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4454420A (en) * | 1974-12-26 | 1984-06-12 | Texaco Inc. | Neutron-inelastic gamma radiation well logging method and apparatus with background radiation accounted for |
| US4501964A (en) * | 1981-08-03 | 1985-02-26 | Texaco Inc. | Borehole compensated oxygen activation nuclear well logging |
| JPS5961134A (ja) | 1982-09-30 | 1984-04-07 | Toshiba Corp | 荷電ビ−ム露光装置 |
| US4647781A (en) | 1983-01-31 | 1987-03-03 | Hitachi Chemical Company, Ltd. | Gamma ray detector |
| US4596926A (en) * | 1983-03-11 | 1986-06-24 | Nl Industries, Inc. | Formation density logging using multiple detectors and sources |
| US4705944A (en) * | 1983-03-25 | 1987-11-10 | Nl Industries, Inc. | Formation density logging while drilling |
| US4760252A (en) * | 1983-06-28 | 1988-07-26 | Schlumberger Technology Corporation | Well logging tool with an accelerator neutron source |
| US4698501A (en) * | 1985-05-16 | 1987-10-06 | Nl Industries, Inc. | System for simultaneous gamma-gamma formation density logging while drilling |
| US4661700A (en) * | 1985-05-28 | 1987-04-28 | Schlumberger Technology Corporation | Well logging sonde with shielded collimated window |
| US4883956A (en) * | 1985-12-23 | 1989-11-28 | Schlumberger Technology Corporation | Methods and apparatus for gamma-ray spectroscopy and like measurements |
| US4814609A (en) * | 1987-03-13 | 1989-03-21 | Schlumberger Technology Corporation | Methods and apparatus for safely measuring downhole conditions and formation characteristics while drilling a borehole |
| US4879463A (en) * | 1987-12-14 | 1989-11-07 | Schlumberger Technology Corporation | Method and apparatus for subsurface formation evaluation |
| US4972082A (en) * | 1989-03-16 | 1990-11-20 | Schlumberger Technology Corporation | Methods and apparatus for epithermal neutron logging |
| US5051581A (en) * | 1990-05-01 | 1991-09-24 | Schlumberger Technology Corporation | Method and apparatus for epithermal neutron porosity well logging |
| US5091644A (en) * | 1991-01-15 | 1992-02-25 | Teleco Oilfield Services Inc. | Method for analyzing formation data from a formation evaluation MWD logging tool |
| GB2252623B (en) * | 1991-01-15 | 1994-10-19 | Teleco Oilfield Services Inc | A method for analyzing formation data from a formation evaluation measurement while drilling logging tool |
| US5235285A (en) * | 1991-10-31 | 1993-08-10 | Schlumberger Technology Corporation | Well logging apparatus having toroidal induction antenna for measuring, while drilling, resistivity of earth formations |
| US5235185A (en) * | 1992-01-09 | 1993-08-10 | Schlumberger Technology Corporation | Formation sigma measurement from thermal neutron detection |
| US5374823A (en) * | 1993-10-28 | 1994-12-20 | Computalog U.S.A., Inc. | Pulsed neutron decay tool for measuring gamma radiation energy spectra for fast neutron inelastic collisions and thermal neutron capture events |
| US5440118A (en) | 1994-03-31 | 1995-08-08 | Schlumberger Technology Corporation | Methods and apparatus for determining formation lithology by gamma ray spectroscopy |
-
1996
- 1996-02-12 US US08/599,712 patent/US5608215A/en not_active Expired - Lifetime
-
1997
- 1997-02-03 CA CA002196636A patent/CA2196636C/fr not_active Expired - Fee Related
- 1997-02-04 AU AU12491/97A patent/AU722029B2/en not_active Ceased
- 1997-02-06 MY MYPI97000461A patent/MY119506A/en unknown
- 1997-02-06 BR BRPI9700909-1A patent/BR9700909B1/pt not_active IP Right Cessation
- 1997-02-07 ID IDP970390A patent/ID16452A/id unknown
- 1997-02-07 EP EP97300802A patent/EP0790508B1/fr not_active Expired - Lifetime
- 1997-02-07 DE DE69737959T patent/DE69737959T2/de not_active Expired - Lifetime
- 1997-02-11 NO NO19970628A patent/NO313438B1/no not_active IP Right Cessation
- 1997-02-11 CO CO97006867A patent/CO5040208A1/es unknown
- 1997-02-12 CN CNB97104886XA patent/CN1158541C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU722029B2 (en) | 2000-07-20 |
| EP0790508A2 (fr) | 1997-08-20 |
| BR9700909B1 (pt) | 2012-01-10 |
| NO970628L (no) | 1997-08-13 |
| CO5040208A1 (es) | 2001-05-29 |
| CA2196636A1 (fr) | 1997-08-13 |
| MY119506A (en) | 2005-06-30 |
| CN1162740A (zh) | 1997-10-22 |
| EP0790508A3 (fr) | 2002-01-23 |
| DE69737959T2 (de) | 2008-04-24 |
| DE69737959D1 (de) | 2007-09-13 |
| US5608215A (en) | 1997-03-04 |
| MX9701047A (es) | 1998-05-31 |
| NO970628D0 (no) | 1997-02-11 |
| AU1249197A (en) | 1997-08-21 |
| BR9700909A (pt) | 1999-01-12 |
| CA2196636C (fr) | 2000-03-14 |
| EP0790508B1 (fr) | 2007-08-01 |
| ID16452A (id) | 1997-10-02 |
| CN1158541C (zh) | 2004-07-21 |
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