NO20092091L - Borehullsmålinger som anvender en hurtig og høyenergioppløsnings gammastråledetektorsammenstilling - Google Patents

Borehullsmålinger som anvender en hurtig og høyenergioppløsnings gammastråledetektorsammenstilling

Info

Publication number
NO20092091L
NO20092091L NO20092091A NO20092091A NO20092091L NO 20092091 L NO20092091 L NO 20092091L NO 20092091 A NO20092091 A NO 20092091A NO 20092091 A NO20092091 A NO 20092091A NO 20092091 L NO20092091 L NO 20092091L
Authority
NO
Norway
Prior art keywords
digital
detector assembly
gamma ray
coalition
stacking
Prior art date
Application number
NO20092091A
Other languages
English (en)
Other versions
NO343346B1 (no
Inventor
Richard C Odom
Original Assignee
Precision Energy Services Inc
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 Precision Energy Services Inc filed Critical Precision Energy Services Inc
Publication of NO20092091L publication Critical patent/NO20092091L/no
Publication of NO343346B1 publication Critical patent/NO343346B1/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal
    • G01T1/2023—Selection of materials
    • 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
    • G01V5/12—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 gamma or X-ray sources
    • 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
    • G01V5/102—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 the neutron source being of the pulsed type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

En gammastråledetektorsammenstilling for et borehulloggingssystem som krever målingen av gammastråling med optimalisert gammastråleenergioppløsning og med hurtige emisjonstider som er nødvendig for å oppnå meningsfulle målinger i felt med høy stråling. Detektorsammenstillingen omfatter et lantanbromid (LaBr3) scintillasjonskrystall og et digitalt spektrometer som samvirker med krystallet for å maksimalisere pulsbehandlingsgjennommating ved digital filtrering og digital oppstablings- eller koalisjonsinspeksjon av pulsene. Detektorsammenstillingen er i stand til digital pulsmaling og digital oppstablings-eller koalisjonsinspeksjon med dødtid mindre enn 600 nanosekunder pr. hendelse. Pulshøyde kan nøyaktig måles (korrigeres for oppstablings- eller koalisjonsvirkninger) for 2 pulser adskilt med så lite som 150 nanosekunder. Selv om oppfinnelsen er anvendbar på praktisk talt hvilken som helst borehulloggingsmetodikk som anvender målet for gammastråling i barske borehullforhold, er oppfinnelsen særlig anvendbar for karbon / oksygenlogging.
NO20092091A 2008-05-30 2009-05-29 Borehullsmålinger som anvender en hurtig og høyenergioppløsnings gammastråledetektorsammenstilling NO343346B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/129,812 US7999220B2 (en) 2008-05-30 2008-05-30 Borehole measurements using a fast and high energy resolution gamma ray detector assembly

Publications (2)

Publication Number Publication Date
NO20092091L true NO20092091L (no) 2009-12-01
NO343346B1 NO343346B1 (no) 2019-02-04

Family

ID=40902285

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20092091A NO343346B1 (no) 2008-05-30 2009-05-29 Borehullsmålinger som anvender en hurtig og høyenergioppløsnings gammastråledetektorsammenstilling

Country Status (6)

Country Link
US (2) US7999220B2 (no)
AU (1) AU2009202086B8 (no)
BR (1) BRPI0902029B1 (no)
CA (1) CA2667643C (no)
GB (1) GB2460345B (no)
NO (1) NO343346B1 (no)

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JP5832892B2 (ja) * 2008-03-31 2015-12-16 サザン イノヴェーション インターナショナル プロプライアトリー リミテッド 孔内検層のための方法および装置
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CA2746819C (en) 2008-12-18 2019-08-06 Southern Innovation International Pty Ltd Method and apparatus for resolving piled-up pulses by using a mathematical transform
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CA2763285C (en) * 2009-05-22 2018-01-09 Schlumberger Canada Limited Optimization of neutron-gamma tools for inelastic gamma-ray logging
US8431885B2 (en) * 2010-05-19 2013-04-30 Schlumberger Technology Corporation Gamma-ray detectors for downhole applications
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US9625608B2 (en) * 2013-01-22 2017-04-18 AlphaNeutronics, Inc. Method and apparatus for downhole sensing using neutron pulses and gamma radiation measurements
CA2933141A1 (en) 2014-01-02 2015-07-09 Shell Internationale Research Maatschappij B.V. System and method for making downhole measurements
US9575207B1 (en) 2016-03-07 2017-02-21 Baker Hughes Incorporated Nanostructured glass ceramic neutron shield for down-hole thermal neutron porosity measurement tools
US10436933B2 (en) 2016-05-06 2019-10-08 Baker Hughes, A Ge Company, Llc Digital spectrometer for measuring ironizing radiation downhole
US10114130B2 (en) 2016-11-29 2018-10-30 Battelle Energy Alliance, Llc Detectors for use with particle generators and related assemblies, systems and methods
US10215880B1 (en) 2017-10-04 2019-02-26 Weatherford Technology Holdings, Llc Pulsed neutron determination of gravel pack density
CN108051847B (zh) * 2017-12-05 2019-10-29 清华大学 利用溴化镧探测器测量中子剂量率的方法和中子剂量率仪
CN111101200A (zh) * 2018-10-26 2020-05-05 北京梦晖科技有限公司 一种溴化铈晶体及其制备方法
CN111101201A (zh) * 2018-10-26 2020-05-05 北京梦晖科技有限公司 一种溴化镧铈晶体及其制备方法
US11048015B2 (en) 2019-04-10 2021-06-29 Weatherford Technology Holdings, Llc Borehole compensation during pulsed-neutron porosity logging
US11078783B2 (en) 2019-05-24 2021-08-03 Weatherford Technology Holdings, Llc Caliper-behind-casing from pulsed neutron apparatus
EP3951435B1 (en) * 2020-08-03 2024-05-01 Rotem Ind. Ltd. Method and system for stack monitoring of radioactive nuclides
US11733421B2 (en) 2021-08-31 2023-08-22 China Petroleum & Chemical Corporation Method for obtaining near-wellbore true borehole sigma and true formation sigma by using a nuclear logging tool during oil and gas exploration
US11703611B2 (en) 2021-09-16 2023-07-18 China Petroleum & Chemical Corporation Computer-implemented method of using a non-transitory computer readable memory device with a pre programmed neural network and a trained neural network computer program product for obtaining a true borehole sigma and a true formation sigma

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Also Published As

Publication number Publication date
CA2667643A1 (en) 2009-11-30
US7999220B2 (en) 2011-08-16
USRE45226E1 (en) 2014-11-04
BRPI0902029A2 (pt) 2010-01-26
GB2460345A (en) 2009-12-02
BRPI0902029B1 (pt) 2020-04-07
GB2460345B (en) 2010-06-09
US20090296084A1 (en) 2009-12-03
AU2009202086B8 (en) 2010-09-30
AU2009202086A1 (en) 2010-01-14
GB0909246D0 (en) 2009-07-15
CA2667643C (en) 2013-01-22
NO343346B1 (no) 2019-02-04
AU2009202086B2 (en) 2010-09-09

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Representative=s name: HAMSOE PATENTBYRA AS, POSTBOKS 171, 4301 SANDNES

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