WO2012177682A3 - Method of calculating formation characteristics - Google Patents

Method of calculating formation characteristics Download PDF

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Publication number
WO2012177682A3
WO2012177682A3 PCT/US2012/043222 US2012043222W WO2012177682A3 WO 2012177682 A3 WO2012177682 A3 WO 2012177682A3 US 2012043222 W US2012043222 W US 2012043222W WO 2012177682 A3 WO2012177682 A3 WO 2012177682A3
Authority
WO
WIPO (PCT)
Prior art keywords
calculating
formation characteristics
calculating formation
intensity
gamma rays
Prior art date
Application number
PCT/US2012/043222
Other languages
French (fr)
Other versions
WO2012177682A2 (en
Inventor
Anton Nikitin
Alexandr Vinokurov
Original Assignee
Baker Hughes Incorporated
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 Baker Hughes Incorporated filed Critical Baker Hughes Incorporated
Priority to BR112013032487A priority Critical patent/BR112013032487A2/en
Priority to GB1400544.1A priority patent/GB2506557A/en
Publication of WO2012177682A2 publication Critical patent/WO2012177682A2/en
Publication of WO2012177682A3 publication Critical patent/WO2012177682A3/en
Priority to NO20131501A priority patent/NO20131501A1/en

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 nuclear radiation, e.g. of natural or induced radioactivity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of nuclear 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 nuclear 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 nuclear 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
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/09—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being neutrons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24—Earth materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
    • G01V5/12—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using gamma or X-ray sources
    • G01V5/125—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using gamma or X-ray sources and detecting the secondary gamma- or X-rays in different places along the bore hole

Abstract

A method of calculating a formation characteristic includes measuring with at least two detectors spaced apart from each other an intensity of gamma rays, and calculating the formation characteristic by calculating a ratio of the intensity of the gamma rays detected by the two detectors.
PCT/US2012/043222 2011-06-22 2012-06-20 Method of calculating formation characteristics WO2012177682A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112013032487A BR112013032487A2 (en) 2011-06-22 2012-06-20 method for calculating training characteristics
GB1400544.1A GB2506557A (en) 2011-06-22 2012-06-20 Method of calculating formation characteristics
NO20131501A NO20131501A1 (en) 2011-06-22 2013-11-12 Method of calculating formation properties

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161500039P 2011-06-22 2011-06-22
US61/500,039 2011-06-22

Publications (2)

Publication Number Publication Date
WO2012177682A2 WO2012177682A2 (en) 2012-12-27
WO2012177682A3 true WO2012177682A3 (en) 2013-03-14

Family

ID=47360948

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2012/043222 WO2012177682A2 (en) 2011-06-22 2012-06-20 Method of calculating formation characteristics
PCT/US2012/043301 WO2012177732A2 (en) 2011-06-22 2012-06-20 Measurement of formation porosity using a single gamma ray detector

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/US2012/043301 WO2012177732A2 (en) 2011-06-22 2012-06-20 Measurement of formation porosity using a single gamma ray detector

Country Status (5)

Country Link
US (2) US20120326017A1 (en)
BR (2) BR112013031083A2 (en)
GB (2) GB2506557A (en)
NO (2) NO344676B1 (en)
WO (2) WO2012177682A2 (en)

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WO2015178872A2 (en) * 2013-05-30 2015-11-26 Halliburton Energy Services, Inc. Neutron tool with dual-purpose detector
US9885802B2 (en) 2013-10-01 2018-02-06 Baker Hughes, A Ge Company, Llc Downhole cement evalution using pulsed neutron measurements
US9472370B2 (en) * 2013-12-16 2016-10-18 Schlumberger Technology Corporation Neutron generator having multiple extractors with independently selectable potentials
EP2887104A1 (en) * 2013-12-23 2015-06-24 Services Pétroliers Schlumberger Neutron-absorbing gamma ray window in a downhole tool
BR112016028358A2 (en) * 2014-07-07 2017-08-22 Halliburton Energy Services Inc method and system for the identification of scale, and method for the identification and treatment of scale.
US11906692B2 (en) * 2021-02-11 2024-02-20 China Petroleum & Chemical Corporation Nuclear logging tools and applications thereof
US11753926B2 (en) * 2021-07-01 2023-09-12 Saudi Arabian Oil Company Method and system for predicting caliper log data for descaled wells

Citations (5)

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US4092536A (en) * 1976-05-27 1978-05-30 Texaco Inc. Method for detecting cement voids or borehole washouts
US4137450A (en) * 1977-06-13 1979-01-30 Dresser Industries, Inc. Dual detector pulsed neutron logging for providing indication of formation porosity
US4760252A (en) * 1983-06-28 1988-07-26 Schlumberger Technology Corporation Well logging tool with an accelerator neutron source
US7511266B1 (en) * 2006-12-06 2009-03-31 Bothner Ronald E Irradiated formation tool (IFT) apparatus and method
US20100262371A1 (en) * 2008-09-30 2010-10-14 Halliburton Energy Services, Inc. Systems and Methods for Evaluating Formations Having Unknown or Mixed Salinity

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US4558220A (en) * 1981-10-02 1985-12-10 Gearhart Industries, Inc. Radioactivity well logging
US4450354A (en) * 1982-07-06 1984-05-22 Halliburton Company Gain stabilized natural gamma ray detection of casing thickness in a borehole
US4604522A (en) * 1984-11-05 1986-08-05 Halliburton Company Method and apparatus for logging a borehole employing dual radiation detectors
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US5525797A (en) * 1994-10-21 1996-06-11 Gas Research Institute Formation density tool for use in cased and open holes
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US5627368A (en) * 1995-07-05 1997-05-06 Gas Research Institute Four-detector formation-density tool for use in cased and open holes
US5900627A (en) * 1997-06-19 1999-05-04 Computalog Research, Inc. Formation density measurement utilizing pulse neutrons
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092536A (en) * 1976-05-27 1978-05-30 Texaco Inc. Method for detecting cement voids or borehole washouts
US4137450A (en) * 1977-06-13 1979-01-30 Dresser Industries, Inc. Dual detector pulsed neutron logging for providing indication of formation porosity
US4760252A (en) * 1983-06-28 1988-07-26 Schlumberger Technology Corporation Well logging tool with an accelerator neutron source
US7511266B1 (en) * 2006-12-06 2009-03-31 Bothner Ronald E Irradiated formation tool (IFT) apparatus and method
US20100262371A1 (en) * 2008-09-30 2010-10-14 Halliburton Energy Services, Inc. Systems and Methods for Evaluating Formations Having Unknown or Mixed Salinity

Also Published As

Publication number Publication date
NO20131501A1 (en) 2013-11-12
GB201400491D0 (en) 2014-02-26
GB2506320B (en) 2017-03-15
US20120326048A1 (en) 2012-12-27
WO2012177682A2 (en) 2012-12-27
GB2506557A (en) 2014-04-02
US8847170B2 (en) 2014-09-30
US20120326017A1 (en) 2012-12-27
WO2012177732A3 (en) 2013-03-14
NO344676B1 (en) 2020-03-02
NO20131485A1 (en) 2013-11-15
BR112013032487A2 (en) 2017-02-21
BR112013031083A2 (en) 2016-11-29
WO2012177732A2 (en) 2012-12-27
GB2506320A (en) 2014-03-26
GB201400544D0 (en) 2014-03-05

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