DK0444984T3 - Geokemisk loggingapparat og fremgangsmåde til bestemmelse af koncentrationer af formationsgrundstoffer i nærheden af et borehul - Google Patents

Geokemisk loggingapparat og fremgangsmåde til bestemmelse af koncentrationer af formationsgrundstoffer i nærheden af et borehul

Info

Publication number
DK0444984T3
DK0444984T3 DK91400278.7T DK91400278T DK0444984T3 DK 0444984 T3 DK0444984 T3 DK 0444984T3 DK 91400278 T DK91400278 T DK 91400278T DK 0444984 T3 DK0444984 T3 DK 0444984T3
Authority
DK
Denmark
Prior art keywords
low energy
activation
source
wellbore
energy neutron
Prior art date
Application number
DK91400278.7T
Other languages
Danish (da)
English (en)
Inventor
Bradley Roscoe
James Grau
Original Assignee
Schlumberger Ltd
Schlumberger Holdings
Schlumberger Technology Bv
Schlumberger Services Petrol
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schlumberger Ltd, Schlumberger Holdings, Schlumberger Technology Bv, Schlumberger Services Petrol filed Critical Schlumberger Ltd
Application granted granted Critical
Publication of DK0444984T3 publication Critical patent/DK0444984T3/da

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
    • 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

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)
  • Carbon And Carbon Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Steroid Compounds (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Stored Programmes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
DK91400278.7T 1990-02-07 1991-02-06 Geokemisk loggingapparat og fremgangsmåde til bestemmelse af koncentrationer af formationsgrundstoffer i nærheden af et borehul DK0444984T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/476,223 US5021653A (en) 1990-02-07 1990-02-07 Geochemical logging apparatus and method for determining concentrations of formation elements next to a borehole

Publications (1)

Publication Number Publication Date
DK0444984T3 true DK0444984T3 (da) 1995-06-06

Family

ID=23891005

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91400278.7T DK0444984T3 (da) 1990-02-07 1991-02-06 Geokemisk loggingapparat og fremgangsmåde til bestemmelse af koncentrationer af formationsgrundstoffer i nærheden af et borehul

Country Status (8)

Country Link
US (1) US5021653A (de)
EP (1) EP0444984B1 (de)
AT (1) ATE116447T1 (de)
BR (1) BR9100457A (de)
DE (1) DE69106168T2 (de)
DK (1) DK0444984T3 (de)
NO (1) NO300867B1 (de)
ZA (1) ZA91891B (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5097123A (en) * 1990-02-07 1992-03-17 Schlumberger Technology Corporation Broad energy spectra neutron source for logging and method
US5434408A (en) * 1992-05-28 1995-07-18 Halliburton Logging Services, Inc. Induced gamma ray spectroscopy well logging system
US7148471B2 (en) * 2001-05-18 2006-12-12 Schlumberger Technology Corporation Well logging apparatus and method for measuring formation properties
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
RU2481600C2 (ru) 2007-08-08 2013-05-10 Шлюмбергер Текнолоджи Б.В. Генератор излучения и конфигурация источника питания для скважинных каротажных приборов
EP2176687A2 (de) 2007-08-10 2010-04-21 Schlumberger Technology B.V. Stossfeste neutronenabschirmungen
US8550184B2 (en) * 2007-11-02 2013-10-08 Schlumberger Technology Corporation Formation coring apparatus and methods
US10061055B2 (en) 2008-06-25 2018-08-28 Schlumberger Technology Corporation Absolute elemental concentrations from nuclear spectroscopy
AU2009267178B2 (en) * 2008-06-25 2015-03-12 Schlumberger Technology B.V. Absolute elemental concentrations from nuclear spectroscopy
US7772545B2 (en) * 2008-07-24 2010-08-10 Halliburton Energy Services, Inc. Nuclear logging tool
US8658968B2 (en) * 2008-10-21 2014-02-25 Halliburton Energy Services, Inc. Nuclear logging tool calibration system and method
US8346481B2 (en) * 2008-12-15 2013-01-01 Halliburton Energy Services, Inc. Method and system of determining a value indicative of gas saturation of a formation
US20110024613A1 (en) * 2009-06-29 2011-02-03 Baker Hughes Incorporated Materials for use as structural neutron moderators in well logging tools
US9304214B2 (en) * 2010-06-30 2016-04-05 Schlumberger Technology Corporation Neutron detection using a shielded gamma detector
BR112013001390A2 (pt) 2010-07-21 2016-05-24 Halliburton Energy Services Inc método, e, sistema
MX2013002124A (es) 2010-08-24 2013-06-28 Halliburton Energy Serv Inc Metodo y sistema de determinacion del contenido elemental de una formacion de tierra.
BR112013013608B1 (pt) 2010-12-02 2020-10-13 Wsp Global Inc. método para monitorar o progresso de operações de lixiviação
US8476584B2 (en) * 2011-08-31 2013-07-02 Baker Hughes Incorporated Methods for sourceless density downhole measurement using pulsed neutron generator
CN103513287B (zh) * 2012-06-19 2016-12-21 王新光 一种利用直流可控中子源计算地层密度的测井方法
US9689256B2 (en) 2012-10-11 2017-06-27 Schlumberger Technology Corporation Core orientation systems and methods
CN105806852B (zh) * 2014-12-30 2019-06-11 中国石油天然气股份有限公司 氧闭合模型的构建方法及氧闭合模型的应用方法
WO2019236489A1 (en) * 2018-06-04 2019-12-12 Schlumberger Technology Corporation Measuring spectral contributions of elements in regions in and about a borehole using a borehole spectroscopy tool
CN110826249A (zh) * 2019-11-18 2020-02-21 核工业北京地质研究院 一种铀矿综合测井曲线井眼环境校正方法
CN115539018B (zh) * 2022-09-29 2025-09-30 长江大学 一种裸眼井氘氚源中子孔隙度测井仪器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521064A (en) * 1967-02-17 1970-07-21 Schlumberger Technology Corp Analysis of gamma ray energy spectrum for constituent identification
US3665195A (en) * 1969-10-16 1972-05-23 Dresser Ind Thermal neutron activation radioactivity logging method
MX3047E (es) * 1973-10-01 1980-03-04 Schlumberge Surenco S A Univer Procedimiento para la produccion de una mezcla de procedimiento y dispositivo mejorado para determinar el contenido de potasio, uranio y torio de una sulfatos basicos e hidratos de aluminio formacion geologica
US4055763A (en) * 1975-03-31 1977-10-25 Schlumberger Technology Corporation Neutron characteristic and spectroscopy logging methods and apparatus
US4317993A (en) * 1978-01-16 1982-03-02 Schlumberger Technology Corporation Methods and apparatus for constituent analysis of earth formations
US4283624A (en) * 1979-06-25 1981-08-11 Mobil Oil Corporation Epithermal neutron decay logging
US4327290A (en) * 1979-11-02 1982-04-27 Schlumberger Technology Corp. Method and apparatus for nuclear well logging with optimized timing for simultaneous measurement of thermal neutron decay time and gamma ray pulse height spectra
US4387302A (en) * 1980-12-30 1983-06-07 Mobil Oil Corporation Measuring of gamma-ray energy due to inelastic neutron scattering
US4464569A (en) * 1981-06-19 1984-08-07 Schlumberger Technology Corporation Method and apparatus for spectroscopic analysis of a geological formation
US4506156A (en) * 1981-07-31 1985-03-19 Gearhart Industries, Inc. Earth formation porosity determination with dual epithermal neutron detector system
US4467642A (en) * 1983-03-25 1984-08-28 Mobil Oil Corporation Method for identifying complex lithologies in a subsurface formation
US4810876A (en) * 1986-09-05 1989-03-07 Schlumberger Technology Corporation Logging apparatus and method for determining absolute elemental concentrations of subsurface formations

Also Published As

Publication number Publication date
NO910440L (no) 1991-08-08
EP0444984B1 (de) 1994-12-28
US5021653A (en) 1991-06-04
NO910440D0 (no) 1991-02-05
EP0444984A1 (de) 1991-09-04
NO300867B1 (no) 1997-08-04
ZA91891B (en) 1991-10-30
ATE116447T1 (de) 1995-01-15
DE69106168D1 (de) 1995-02-09
BR9100457A (pt) 1991-10-22
DE69106168T2 (de) 1995-08-10

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