NO980960D0 - Metode for bestemmelse av formasjonstetthet og formasjonens fotoelektriske faktor med et multi-detektor-gammastråleredskap - Google Patents

Metode for bestemmelse av formasjonstetthet og formasjonens fotoelektriske faktor med et multi-detektor-gammastråleredskap

Info

Publication number
NO980960D0
NO980960D0 NO980960A NO980960A NO980960D0 NO 980960 D0 NO980960 D0 NO 980960D0 NO 980960 A NO980960 A NO 980960A NO 980960 A NO980960 A NO 980960A NO 980960 D0 NO980960 D0 NO 980960D0
Authority
NO
Norway
Prior art keywords
formation
gamma ray
ray tool
photoelectric factor
determining
Prior art date
Application number
NO980960A
Other languages
English (en)
Other versions
NO980960L (no
Inventor
Christian Stoller
Nihal I Wijeyesekera
Urmi Dasgupta
Peter D Wraight
Olivier Philip
Original Assignee
Schlumberger Technology Bv
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 Technology Bv filed Critical Schlumberger Technology Bv
Publication of NO980960D0 publication Critical patent/NO980960D0/no
Publication of NO980960L publication Critical patent/NO980960L/no

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
    • G01V5/12—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
    • G01V5/125—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 and detecting the secondary gamma- or X-rays in different places along 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
NO980960A 1997-03-06 1998-03-05 Metode for bestemmelse av formasjonstetthet og formasjonens fotoelektriske faktor med et multi-detektor-gammastrÕleredskap NO980960L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/812,801 US5912460A (en) 1997-03-06 1997-03-06 Method for determining formation density and formation photo-electric factor with a multi-detector-gamma-ray tool

Publications (2)

Publication Number Publication Date
NO980960D0 true NO980960D0 (no) 1998-03-05
NO980960L NO980960L (no) 1998-09-07

Family

ID=25210666

Family Applications (1)

Application Number Title Priority Date Filing Date
NO980960A NO980960L (no) 1997-03-06 1998-03-05 Metode for bestemmelse av formasjonstetthet og formasjonens fotoelektriske faktor med et multi-detektor-gammastrÕleredskap

Country Status (10)

Country Link
US (1) US5912460A (no)
EP (1) EP0864884B1 (no)
CN (1) CN1138988C (no)
AR (1) AR024192A1 (no)
AU (1) AU737237B2 (no)
CA (1) CA2230880C (no)
CO (1) CO4780060A1 (no)
DE (1) DE69834973D1 (no)
ID (1) ID20349A (no)
NO (1) NO980960L (no)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6051830A (en) * 1998-03-11 2000-04-18 Halliburton Energy Services, Inc. Method for stabilizing a scintillation detector
US6320933B1 (en) 1998-11-30 2001-11-20 American Science And Engineering, Inc. Multiple scatter system for threat identification
US6700115B2 (en) * 2000-05-26 2004-03-02 Precision Drilling Technology Services Group Inc. Standoff compensation for nuclear measurements
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
US7963695B2 (en) 2002-07-23 2011-06-21 Rapiscan Systems, Inc. Rotatable boom cargo scanning system
US8503605B2 (en) 2002-07-23 2013-08-06 Rapiscan Systems, Inc. Four sided imaging system and method for detection of contraband
US9958569B2 (en) 2002-07-23 2018-05-01 Rapiscan Systems, Inc. Mobile imaging system and method for detection of contraband
US8275091B2 (en) 2002-07-23 2012-09-25 Rapiscan Systems, Inc. Compact mobile cargo scanning system
US6928141B2 (en) 2003-06-20 2005-08-09 Rapiscan, Inc. Relocatable X-ray imaging system and method for inspecting commercial vehicles and cargo containers
US7809109B2 (en) 2004-04-09 2010-10-05 American Science And Engineering, Inc. Multiple image collection and synthesis for personnel screening
KR101000182B1 (ko) 2004-04-09 2010-12-10 아메리칸 사이언스 앤 엔지니어링, 인크. 후방 산란 검사 포털
DE102004024237B4 (de) * 2004-05-15 2010-11-04 Bohrlochmessung-Storkow Gmbh Messsonde zur bohrlochgeophysikalischen Messung der Dichte nach dem Gamma-Gamma-Rückstreuprinzip
US7471764B2 (en) 2005-04-15 2008-12-30 Rapiscan Security Products, Inc. X-ray imaging system having improved weather resistance
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
JP2009534669A (ja) 2006-04-21 2009-09-24 アメリカン サイエンス アンド エンジニアリング，インコーポレイテッド 離散供給源のアレイおよび複数の平行ビームを用いた荷物および人間のｘ線画像化
US7526064B2 (en) 2006-05-05 2009-04-28 Rapiscan Security Products, Inc. Multiple pass cargo inspection system
US7555099B2 (en) 2006-08-11 2009-06-30 American Science And Engineering, Inc. X-ray inspection with contemporaneous and proximal transmission and backscatter imaging
US7573027B2 (en) * 2006-10-04 2009-08-11 Baker Hughes Incorporated Measurement of standoff corrected photoelectric factor
EP1953571B1 (en) * 2007-02-05 2015-06-03 Services Pétroliers Schlumberger Nuclear tool used in a borehole to determine a property of the formation
GB2458093B (en) * 2007-06-22 2011-12-21 Schlumberger Holdings Method of determining petro-physical information with high energy gamma rays
US7596452B2 (en) * 2007-06-28 2009-09-29 Baker Hughes Incorporated Compensated caliper using combined acoustic and density measurements
US7928672B2 (en) * 2007-09-19 2011-04-19 Schlumberger Technology Corporation Modulator for circular induction accelerator
US8063356B1 (en) 2007-12-21 2011-11-22 Schlumberger Technology Corporation Method of extracting formation density and Pe using a pulsed accelerator based litho-density tool
US8527204B2 (en) * 2007-12-06 2013-09-03 Exxonmobile Upstream Research Company Volume of investigation based density image processing
US7638957B2 (en) * 2007-12-14 2009-12-29 Schlumberger Technology Corporation Single drive betatron
US8321131B2 (en) * 2007-12-14 2012-11-27 Schlumberger Technology Corporation Radial density information from a Betatron density sonde
US8311186B2 (en) * 2007-12-14 2012-11-13 Schlumberger Technology Corporation Bi-directional dispenser cathode
US8035321B2 (en) * 2007-12-14 2011-10-11 Schlumberger Technology Corporation Injector for betatron
US7916838B2 (en) * 2007-12-14 2011-03-29 Schlumberger Technology Corporation Betatron bi-directional electron injector
US9179535B2 (en) 2008-02-04 2015-11-03 Schlumberger Technology Corporation Neutron generator
GB0809110D0 (en) 2008-05-20 2008-06-25 Rapiscan Security Products Inc Gantry scanner systems
US8362717B2 (en) * 2008-12-14 2013-01-29 Schlumberger Technology Corporation Method of driving an injector in an internal injection betatron
EP2459991B1 (en) 2009-07-29 2019-09-11 American Science & Engineering, Inc. Top-down x-ray inspection trailer
US8824632B2 (en) 2009-07-29 2014-09-02 American Science And Engineering, Inc. Backscatter X-ray inspection van with top-down imaging
US9031790B2 (en) * 2010-03-23 2015-05-12 Schlumberger Technology Corporation System and method for correction of borehole effects in a neutron porosity measurement
WO2011152924A2 (en) * 2010-04-19 2011-12-08 Services Petroliers Schlumberger System and method for generating density in a cased-hole wellbore
PL3270185T3 (pl) 2011-02-08 2023-06-12 Rapiscan Systems, Inc. Niejawny nadzór z wykorzystaniem wielomodalnościowego wykrywania
US9218933B2 (en) 2011-06-09 2015-12-22 Rapidscan Systems, Inc. Low-dose radiographic imaging system
US9035238B2 (en) 2011-12-21 2015-05-19 Schlumberger Technology Corporation Systems and methods for determining property of a geological formation from gravitational potential difference
CN104170051B (zh) 2012-02-03 2017-05-31 拉皮斯坎系统股份有限公司 组合散射和透射的多视图成像系统
US10670740B2 (en) 2012-02-14 2020-06-02 American Science And Engineering, Inc. Spectral discrimination using wavelength-shifting fiber-coupled scintillation detectors
US10197701B2 (en) * 2012-04-03 2019-02-05 J.M. Wood Investments Ltd. Logging tool for determination of formation density and methods of use
US9791590B2 (en) 2013-01-31 2017-10-17 Rapiscan Systems, Inc. Portable security inspection system
US9753177B2 (en) 2013-11-12 2017-09-05 Baker Hughes Incorporated Standoff specific corrections for density logging
CA2929368C (en) 2013-12-04 2020-01-14 Halliburton Energy Services, Inc. Temperature correction of a gamma detector
US10401530B2 (en) * 2014-05-05 2019-09-03 Vale S.A. Method and system for quality control in gamma-gamma data during mineral exploration
EP3271709B1 (en) 2015-03-20 2022-09-21 Rapiscan Systems, Inc. Hand-held portable backscatter inspection system
BR112017013667A2 (pt) 2015-03-26 2018-03-13 Halliburton Energy Services Inc aparelho, sistema, e, método para determinação de afastamento.
CN105571986B (zh) * 2016-01-25 2018-02-16 中国石油大学(华东) 一种基于散射能谱双能窗计算岩石密度的方法
CN106761667B (zh) * 2016-11-09 2019-12-17 中国石油大学(北京) 一种四探头散射伽马测井及线性数据反演的方法及装置
CN106761666B (zh) * 2016-11-09 2019-12-17 中国石油大学(北京) 一种四探头散射伽马测井及非线性数据反演的方法及装置
US10185052B2 (en) 2016-12-19 2019-01-22 Baker Hughes, A Ge Company, Llc Constrained backscatter gamma ray casing and cement inspection tool
MX2019009911A (es) * 2017-02-24 2019-12-18 teague Philip Mejora de la resolución de detección de una distribución azimutal de materiales en entornos de pozo de revestimiento múltiple.
EP3811117A4 (en) 2018-06-20 2022-03-16 American Science & Engineering, Inc. SCINTILLATION DETECTORS COUPLED TO WAVELENGTH OFFSET SHEET
CN109444972B (zh) * 2018-09-19 2020-07-03 中国石油大学(华东) 一种双能x射线测量地层密度测井装置和方法
US10908101B2 (en) * 2018-11-16 2021-02-02 Core Laboratories Lp System and method for analyzing subsurface core samples
US11175245B1 (en) 2020-06-15 2021-11-16 American Science And Engineering, Inc. Scatter X-ray imaging with adaptive scanning beam intensity
US11604303B2 (en) 2020-11-02 2023-03-14 Halliburton Energy Services, Inc. Photoelectric absorption correction for wellbore logging
US11340361B1 (en) 2020-11-23 2022-05-24 American Science And Engineering, Inc. Wireless transmission detector panel for an X-ray scanner
CN117571543B (zh) * 2024-01-16 2024-04-09 清华大学 一种利用X/γ射线在线测量散状物料真密度的方法及系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3321625A (en) * 1962-12-10 1967-05-23 Schlumberger Technology Corp Compensated gamma-gamma logging tool using two detectors of different sensitivities and spacings from the source
FR2298680A1 (fr) * 1975-01-24 1976-08-20 Schlumberger Prospection Procede et dispositif pour mesurer la densite des formations traversees par un forage
US3976879A (en) * 1975-05-22 1976-08-24 Schlumberger Technology Corporation Well logging method and apparatus using a continuous energy spectrum photon source
US4129777A (en) * 1977-06-13 1978-12-12 Schlumberger Technology Corporation Cement thickness measurements in cased boreholes
US5350925A (en) * 1988-12-08 1994-09-27 Schlumberger Technology Corporation Methods for determining values for earth formation properties
US5290115A (en) * 1989-05-25 1994-03-01 Little Karen K Cushioning means for keyboard keys
US5390115A (en) * 1993-05-10 1995-02-14 Schlumberger Technology Corporation Compensated gamma-gamma density sonde using three detectors
US5525797A (en) * 1994-10-21 1996-06-11 Gas Research Institute Formation density tool for use in cased and open holes
US5596191A (en) * 1995-05-22 1997-01-21 Western Atlas International, Inc. Method and apparatus for epithermal neutron porosity measurement corrected for tool standoff and formation lithology
US5530243A (en) * 1995-08-30 1996-06-25 Western Atlas International, Inc. Formation density well logging tool with detector array for compensation of wellbore roughness and tool tilt
US5659169A (en) * 1996-08-19 1997-08-19 Western Atlas International, Inc. Formation density sensor having detector array and method of calculating bulk density and correction

Also Published As

Publication number Publication date
ID20349A (id) 1998-12-03
AU737237B2 (en) 2001-08-16
CA2230880A1 (en) 1998-09-06
CN1218912A (zh) 1999-06-09
AU5629698A (en) 1998-09-10
EP0864884A3 (en) 2002-06-05
CO4780060A1 (es) 1999-05-26
DE69834973D1 (de) 2006-08-03
US5912460A (en) 1999-06-15
EP0864884A2 (en) 1998-09-16
AR024192A1 (es) 2002-09-25
NO980960L (no) 1998-09-07
EP0864884B1 (en) 2006-06-21
CN1138988C (zh) 2004-02-18
CA2230880C (en) 2001-04-17

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