NO20003266D0 - Anordning og fremgangsmÕte ved mÕling med kjernemagnetisk resonans (NMR) - Google Patents

Anordning og fremgangsmÕte ved mÕling med kjernemagnetisk resonans (NMR)

Info

Publication number
NO20003266D0
NO20003266D0 NO20003266A NO20003266A NO20003266D0 NO 20003266 D0 NO20003266 D0 NO 20003266D0 NO 20003266 A NO20003266 A NO 20003266A NO 20003266 A NO20003266 A NO 20003266A NO 20003266 D0 NO20003266 D0 NO 20003266D0
Authority
NO
Norway
Prior art keywords
nmr
magnetic resonance
measurement device
nuclear magnetic
nuclear
Prior art date
Application number
NO20003266A
Other languages
English (en)
Other versions
NO20003266L (no
NO329686B1 (no
Inventor
Thomas Blades
Manfred G Prammer
Original Assignee
Numar Corp
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 Numar Corp filed Critical Numar Corp
Publication of NO20003266D0 publication Critical patent/NO20003266D0/no
Publication of NO20003266L publication Critical patent/NO20003266L/no
Publication of NO329686B1 publication Critical patent/NO329686B1/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
    • G01N24/081—Making measurements of geologic samples, e.g. measurements of moisture, pH, porosity, permeability, tortuosity or viscosity

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
NO20003266A 1997-12-23 2000-06-22 Anordning og fremgangsmate ved maling med kjernemagnetisk resonans (NMR) NO329686B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/996,716 US6111408A (en) 1997-12-23 1997-12-23 Nuclear magnetic resonance sensing apparatus and techniques for downhole measurements
PCT/US1998/027419 WO1999032904A1 (en) 1997-12-23 1998-12-23 Nuclear magnetic resonance sensing apparatus and techniques

Publications (3)

Publication Number Publication Date
NO20003266D0 true NO20003266D0 (no) 2000-06-22
NO20003266L NO20003266L (no) 2000-08-21
NO329686B1 NO329686B1 (no) 2010-11-29

Family

ID=25543223

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20003266A NO329686B1 (no) 1997-12-23 2000-06-22 Anordning og fremgangsmate ved maling med kjernemagnetisk resonans (NMR)

Country Status (5)

Country Link
US (1) US6111408A (no)
EP (1) EP1053487B1 (no)
DE (1) DE69840130D1 (no)
NO (1) NO329686B1 (no)
WO (1) WO1999032904A1 (no)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6531868B2 (en) * 1996-12-30 2003-03-11 Halliburton Energy Services, Inc. System and methods for formation evaluation while drilling
US6166540A (en) 1997-06-30 2000-12-26 Wollin Ventures, Inc. Method of resistivity well logging utilizing nuclear magnetic resonance
US6111409A (en) * 1998-03-02 2000-08-29 Western Atlas International, Inc. Nuclear magnetic reasonance fluid characterization apparatus and method for using with electric wireline formation testing instruments
US6346813B1 (en) * 1998-08-13 2002-02-12 Schlumberger Technology Corporation Magnetic resonance method for characterizing fluid samples withdrawn from subsurface formations
US6891369B2 (en) * 1998-08-13 2005-05-10 Schlumberger Technology Corporation Nuclear magnetic resonance method and logging apparatus for fluid analysis
US6977499B2 (en) * 1999-02-09 2005-12-20 Baker Hughes Incorporated Formation-based interpretation of NMR data for carbonate reservoirs
JP4808885B2 (ja) 1999-11-16 2011-11-02 ウォーリン・ベンチャーズ・インコーポレイテッド 磁気共鳴解析流量計および流動測定方法
US6541969B2 (en) 1999-12-15 2003-04-01 Halliburton Energy Services, Inc. Method and apparatus for improving the vertical resolution of NMR logs
FR2801384A1 (fr) * 2000-03-30 2001-05-25 Commissariat Energie Atomique Dispositif d'etude d'un objet par resonance magnetique nucleaire, utilisant un champ magnetique statique de faible homogeneite
US6522137B1 (en) * 2000-06-28 2003-02-18 Schlumberger Technology Corporation Two-dimensional magnetic resonance imaging in a borehole
GB2366867A (en) 2000-09-14 2002-03-20 Rolls Royce Plc NMR detection of contaminants or additives in oil
US6577125B2 (en) * 2000-12-18 2003-06-10 Halliburton Energy Services, Inc. Temperature compensated magnetic field apparatus for NMR measurements
US6940378B2 (en) 2001-01-19 2005-09-06 Halliburton Energy Services Apparatus and method for magnetic resonance measurements in an interior volume
US7135862B2 (en) 2001-03-13 2006-11-14 Halliburton Energy Services, Inc NMR logging using time-domain averaging
US6737864B2 (en) * 2001-03-28 2004-05-18 Halliburton Energy Services, Inc. Magnetic resonance fluid analysis apparatus and method
US6467341B1 (en) 2001-04-24 2002-10-22 Schlumberger Technology Corporation Accelerometer caliper while drilling
US6525534B2 (en) 2001-06-15 2003-02-25 Halliburton Energy Services, Inc. System and methods for NMR signal processing without phase alternated pair stacking
US7126332B2 (en) * 2001-07-20 2006-10-24 Baker Hughes Incorporated Downhole high resolution NMR spectroscopy with polarization enhancement
US6528995B1 (en) 2001-09-10 2003-03-04 Schlumberger Technology Corporation Methods and apparatus for measuring flow velocity in a wellbore using NMR and applications using same
FR2832255B1 (fr) * 2001-11-13 2004-11-26 France Telecom Peigne et procede de derivation d'un cablage preexistant
US6789937B2 (en) * 2001-11-30 2004-09-14 Schlumberger Technology Corporation Method of predicting formation temperature
US6859032B2 (en) * 2001-12-18 2005-02-22 Schlumberger Technology Corporation Method for determining molecular properties of hydrocarbon mixtures from NMR data
US6774628B2 (en) * 2002-01-18 2004-08-10 Schlumberger Technology Corporation Nuclear magnetic resonance imaging using phase encoding with non-linear gradient fields
GB0212581D0 (en) * 2002-05-30 2002-07-10 Imp College Innovations Ltd Medical analysis device
US6937013B2 (en) * 2002-06-19 2005-08-30 Schlumberger Technology Corporation NMR tool for making formation evaluation measurements using gradient echoes
GB2390173B (en) * 2002-06-28 2005-03-23 Seos Ltd Apparatus for constructing a thin film mirror
US6815950B2 (en) * 2002-07-24 2004-11-09 Schlumberger Technology Corporation J-spectroscopy in the wellbore
GB2405941B (en) * 2002-07-24 2006-05-10 Schlumberger Holdings J-spectroscopy in the wellbore
US6856132B2 (en) 2002-11-08 2005-02-15 Shell Oil Company Method and apparatus for subterranean formation flow imaging
HUP0203993A2 (hu) * 2002-11-19 2004-08-30 László Domján Binokuláris videoszemüveg optikai rendszere
US6841996B2 (en) * 2003-01-22 2005-01-11 Schlumberger Technology Corporation Nuclear magnetic resonance apparatus and methods for analyzing fluids extracted from earth formation
US6954066B2 (en) * 2003-04-01 2005-10-11 Halliburton Energy Services, Inc. Abnormal pressure determination using nuclear magnetic resonance logging
US7463027B2 (en) 2003-05-02 2008-12-09 Halliburton Energy Services, Inc. Systems and methods for deep-looking NMR logging
US6958604B2 (en) * 2003-06-23 2005-10-25 Schlumberger Technology Corporation Apparatus and methods for J-edit nuclear magnetic resonance measurement
US6938469B2 (en) * 2003-08-06 2005-09-06 Schlumberger Technology Corporation Method for determining properties of formation fluids
US6952096B2 (en) * 2003-09-05 2005-10-04 Schlumberger Technology Corporation Method and apparatus for determining speed and properties of flowing fluids using NMR measurements
US7301337B2 (en) * 2003-09-30 2007-11-27 Baker Hughes Incorporated Frequency dithering to avoid excitation pulse ringing
CA2828175A1 (en) * 2003-10-03 2005-04-21 Halliburton Energy Services, Inc. System and methods for t1-based logging
US7224162B2 (en) * 2003-10-04 2007-05-29 Halliburton Energy Services Group, Inc. System and methods for upscaling petrophysical data
US7026814B2 (en) * 2003-12-19 2006-04-11 Schlumberger Technology Corporation Tuning of nuclear magnetic resonance logging tools
EP1702284A4 (en) 2003-12-24 2012-09-05 Halliburton Energy Serv Inc INCORRECT ESTIMATION BY USING FLUID ANALYSIS MODELS
US7176682B2 (en) * 2004-01-04 2007-02-13 Halliburton Energy Services, Inc. Method and apparatus for detecting hydrocarbons with NMR logs in wells drilled with oil-based muds
US7309983B2 (en) * 2004-04-30 2007-12-18 Schlumberger Technology Corporation Method for determining characteristics of earth formations
US7091719B2 (en) * 2004-04-30 2006-08-15 Schlumberger Technology Corporation Method for determining properties of formation fluids
US7053611B2 (en) * 2004-06-04 2006-05-30 Schlumberger Technology Corporation Method and apparatus for using pulsed field gradient NMR measurements to determine fluid properties in a fluid sampling well logging tool
DE102005040540B4 (de) * 2005-08-26 2007-05-24 Siemens Ag Verfahren und Gerät zur Nachweisverbesserung einer schwachsensitiven Atomkernart in der NMR-Spektroskopie
WO2007098204A1 (en) * 2006-02-17 2007-08-30 Baker Hughes Incorporated Compensation of magnetic influence in a mwd system
WO2007147054A2 (en) * 2006-06-14 2007-12-21 Kasevich Raymond S In-situ radiofrequency heating of fractured bedrock for removal or conversion of liquids gases and solids
US7872474B2 (en) 2006-11-29 2011-01-18 Shell Oil Company Magnetic resonance based apparatus and method to analyze and to measure the bi-directional flow regime in a transport or a production conduit of complex fluids, in real time and real flow-rate
US7528600B2 (en) * 2006-12-08 2009-05-05 Schlumberger Technology Corporation System and method for downhole time-of-flight sensing, remote NMR detection of fluid flow in rock formations
US7511487B2 (en) * 2007-02-27 2009-03-31 Schlumberger Technology Corporation Logging method for determining characteristic of fluid in a downhole measurement region
US8089277B2 (en) * 2007-05-15 2012-01-03 Baker Hughes Incorporated System and method implementing inherently conducting polymers for downhole applications
US7683613B2 (en) * 2007-11-19 2010-03-23 Schlumberger Technology Corporation High pressure/high temperature magnetic resonance tool
US7924001B2 (en) * 2008-05-23 2011-04-12 Schlumberger Technology Corp. Determination of oil viscosity and continuous gas oil ratio from nuclear magnetic resonance logs
BRPI1008805B1 (pt) * 2009-03-02 2021-03-23 Statoil Petroleum As Método para determinar uma propriedade físico-química de um fluido de perfuração, processo para controlar as propriedades físico-químicas de um fluido de perfuração, aparelho para determinar propriedades de fluido de perfuração fora do furo, e, reservatório de fluido de perfuração.
US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
US9507047B1 (en) 2011-05-10 2016-11-29 Ingrain, Inc. Method and system for integrating logging tool data and digital rock physics to estimate rock formation properties
US9562989B2 (en) 2011-06-07 2017-02-07 Halliburton Energy Services, Inc. Rotational indexing to optimize sensing volume of a nuclear magnetic resonance logging tool
CN102998322B (zh) * 2011-09-14 2014-08-06 中国石油天然气股份有限公司 恒定梯度场核磁共振岩样分析方法及仪器
US9405035B2 (en) 2012-01-10 2016-08-02 Halliburton Energy Services, Inc. Enhanced transmitter and method for a nuclear magnetic resonance logging tool
US9575204B2 (en) 2012-02-08 2017-02-21 Halliburton Energy Services, Inc. Nuclear magnetic resonance logging tool having multiple pad-mounted atomic magnetometers
US9645277B2 (en) * 2013-02-12 2017-05-09 Baker Hughes Incorporated Estimating molecular size distributions in formation fluid samples using a downhole NMR fluid analyzer
DE102013004267A1 (de) * 2013-03-13 2014-09-18 Krohne Ag Kernmagnetisches Durchflussmessgerät
WO2014171947A2 (en) 2013-04-18 2014-10-23 Halliburton Energy Services Inc. Device and method for parallel microfluidic pressure-volume-temperature analysis
US9632204B2 (en) * 2013-11-13 2017-04-25 Halliburton Energy Services, Inc. Dual antenna for circular polarization
MY187312A (en) 2013-12-13 2021-09-21 Shell Int Research Method of interpreting nmr signals to give multiphase fluid flow measurements for a gas/liquid system
US20160025825A1 (en) * 2014-07-25 2016-01-28 Gersh Z. Taicher Nuclear magnetic resonance apparatus and methods
US10094897B2 (en) * 2014-07-25 2018-10-09 Gersh Z. Taicher Nuclear magnetic resonance apparatus and methods
US10082594B2 (en) 2015-04-07 2018-09-25 Baker Hughes, A Ge Company, Llc Magnet arrays for magnetic resonance measurements
US10527565B2 (en) 2015-07-29 2020-01-07 Chevron U.S.A. Inc. NMR sensor for analyzing core or fluid samples from a subsurface formation
WO2017088887A1 (en) * 2015-11-25 2017-06-01 Nanonord A/S A method of and a spectrometer for performing a nmr measurement on an electrically conducting fluid
US10379249B2 (en) 2015-12-01 2019-08-13 Halliburton Energy Services, Inc. Oil viscosity prediction
US10330816B2 (en) * 2015-12-18 2019-06-25 Schlumberger Technology Corporation Imaging subterranean formations and features using azimuthal phase encoding
BR112019001717B1 (pt) * 2016-08-08 2022-09-06 Halliburton Energy Services Inc Dispositivo de caracterização subterrânea e amostragem de fluidos, e, método de caracterização subterrânea
BR112019001315B1 (pt) 2016-08-08 2021-06-15 Halliburton Energy Services, Inc Dispositivo de caracterização subterrânea e amostragem de fluido, e, método de caracterização subterrânea
US10907472B2 (en) * 2017-03-10 2021-02-02 Exxonmobil Upstream Research Company Method and system for enhancing hydrocarbon operations
EP3748374B8 (en) 2019-06-06 2023-02-15 Rohde & Schwarz GmbH & Co. KG System and method for calibrating radio frequency test chambers

Family Cites Families (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US32913A (en) * 1861-07-23 Joiner s bench-vise
US1158959A (en) * 1912-07-16 1915-11-02 Edward W Beach Centrifugal separator.
US3395337A (en) * 1952-01-03 1968-07-30 Varian Associates Apparatus and method for identifying substances
US2973471A (en) * 1953-05-08 1961-02-28 Texaco Development Corp Analysis techniques based on nuclear magnetic resonance
US3617867A (en) * 1953-07-17 1971-11-02 Texaco Inc Method and apparatus for well logging utilizing resonance
DE1030940B (de) * 1954-03-05 1958-05-29 Schlumberger Well Surveyring C Vorrichtung zur Untersuchung von Erdformationen, die von einem Bohrloch durchteuft sind, mit Hilfe von Kernresonanzen
US2912641A (en) * 1956-07-27 1959-11-10 Texaco Development Corp Analysis techniques based on nuclear magnetic resonance
US3360716A (en) * 1956-08-06 1967-12-26 Varian Associates Gyromagnetic resonance methods and apparatus
US3205477A (en) * 1961-12-29 1965-09-07 David C Kalbfell Electroacoustical logging while drilling wells
US3213357A (en) * 1962-10-22 1965-10-19 California Research Corp Earth formation and fluid material investigation by nuclear magnetism relaxation rate determination
US3402344A (en) * 1965-08-02 1968-09-17 Chevron Res Nuclear magnetism well logging method and apparatus
US3453433A (en) * 1966-12-08 1969-07-01 Schlumberger Technology Corp Combined sidewall neutron porosity gamma-gamma tool
US3508438A (en) * 1967-06-27 1970-04-28 Schlumberger Technology Corp Well logging apparatus and method
US3590228A (en) * 1967-10-02 1971-06-29 Schlumberger Technology Corp Methods and apparatus for processing well logging data
US3567936A (en) * 1968-02-07 1971-03-02 Schlumberger Technology Corp Multiple neutron detector borehole logging tool
US3567935A (en) * 1968-02-07 1971-03-02 Schlumberger Technology Corp Measuring apparatus and method
US3638484A (en) * 1968-11-05 1972-02-01 Schlumberger Technology Corp Methods of processing well logging data
US3593116A (en) * 1969-07-29 1971-07-13 Schlumberger Technology Corp Nuclear magnetic logging apparatus coil configuration
US3657730A (en) * 1970-01-14 1972-04-18 Shell Oil Co Method for determining residual hydrocarbons present in a subterranean earth formation
US3667035A (en) * 1970-03-17 1972-05-30 Texaco Development Corp Nuclear magnetism logging
FR2119862B1 (no) * 1970-12-30 1973-11-23 Schlumberger Prospection
US3784898A (en) * 1972-02-16 1974-01-08 Shell Oil Co Method for reducing borehole signals in nuclear magnetic logging
US4310887A (en) * 1972-08-28 1982-01-12 Schlumberger Technology Corporation Verification and calibration of well logs and reconstruction of logs
US3896668A (en) * 1973-10-05 1975-07-29 Schlumberger Technology Corp Methods and apparatus for determining characteristics of subsurface earth formations
US4291271A (en) * 1979-11-01 1981-09-22 Phillips Petroleum Company Method for determining pore size distribution and fluid distribution in porous media
US4528508A (en) * 1982-06-10 1985-07-09 Paramagnetic Logging, Inc. Nuclear magnetic resonance method and apparatus for remote detection and volumetric measurement of petroleum reserves
US4536711A (en) * 1983-05-05 1985-08-20 Southwest Research Institute Method and apparatus for measuring flow in a pipe or conduit
US4638251A (en) * 1984-10-29 1987-01-20 Southwest Research Institute Method and apparatus for measuring flow of non-homogeneous material in incompletely filled flow channels
US4686364A (en) * 1985-07-19 1987-08-11 Schlumberger Technology Corporation In situ determination of total carbon and evaluation of source rock therefrom
US4719423A (en) * 1985-08-13 1988-01-12 Shell Oil Company NMR imaging of materials for transport properties
US4728892A (en) * 1985-08-13 1988-03-01 Shell Oil Company NMR imaging of materials
US4710713A (en) * 1986-03-11 1987-12-01 Numar Corporation Nuclear magnetic resonance sensing apparatus and techniques
US4717876A (en) * 1986-08-13 1988-01-05 Numar NMR magnet system for well logging
US4933638A (en) * 1986-08-27 1990-06-12 Schlumber Technology Corp. Borehole measurement of NMR characteristics of earth formations, and interpretations thereof
US5055787A (en) * 1986-08-27 1991-10-08 Schlumberger Technology Corporation Borehole measurement of NMR characteristics of earth formations
US4717877A (en) * 1986-09-25 1988-01-05 Numar Corporation Nuclear magnetic resonance sensing apparatus and techniques
US4717878A (en) * 1986-09-26 1988-01-05 Numar Corporation Nuclear magnetic resonance sensing apparatus and techniques
US4829277A (en) * 1986-11-20 1989-05-09 General Motors Corporation Isotropic rare earth-iron field magnets for magnetic resonance imaging
US4885540A (en) * 1988-10-31 1989-12-05 Amoco Corporation Automated nuclear magnetic resonance analysis
US5350925A (en) * 1988-12-08 1994-09-27 Schlumberger Technology Corporation Methods for determining values for earth formation properties
US4862128A (en) * 1989-04-27 1989-08-29 The United States Of America As Represented By The Secretary Of The Army Field adjustable transverse flux sources
US4994777A (en) * 1989-11-14 1991-02-19 The United States Of America As Represented By The Secretary Of The Army Enhanced magnetic field within enclosed cylindrical cavity
US5122746A (en) * 1990-06-12 1992-06-16 Gas Research Institute Hydrocarbon gas measurements using nuclear magnetic resonance
US5212447A (en) * 1990-12-03 1993-05-18 Numar Corporation Apparatus and technique for nmr diffusion measurement
MX9102363A (es) * 1990-12-05 1992-06-01 Numar Corp Sistema de diagrafia de un pozo durante la perforacion del mismo.
DE4101473C2 (de) * 1991-01-19 1994-03-24 Bruker Analytische Messtechnik Probenkopf für Durchfluß-NMR-Spektroskopie
US5309098A (en) * 1991-05-16 1994-05-03 Numar Corporation Nuclear magnetic resonance detection of geologic structures
US5412320A (en) * 1991-05-16 1995-05-02 Numar Corporation Nuclear magnetic resonance determination of petrophysical properties of geologic structures
US5557200A (en) * 1991-05-16 1996-09-17 Numar Corporation Nuclear magnetic resonance determination of petrophysical properties of geologic structures
US5387865A (en) * 1991-09-20 1995-02-07 Exxon Research And Engineering Company Permeability determination from NMR relaxation measurements for fluids in porous media
US5379216A (en) * 1992-05-27 1995-01-03 Schlumberger Technology Corporation Method and apparatus for producing a new output record medium illustrating a quantitative description in the volume dimension of mud filtrate invasion into permeable zones of a formation in a wellbore
US5705927A (en) * 1992-07-30 1998-01-06 Schlumberger Technology Corporation Pulsed nuclear magnetism tool for formation evaluation while drilling including a shortened or truncated CPMG sequence
US5629623A (en) * 1992-07-30 1997-05-13 Schlumberger Technology Corporation Pulsed nuclear magnetism tool for formation evaluation while drilling
DK0581666T3 (da) * 1992-07-30 1997-10-27 Schlumberger Ltd Impulsmoduleret kernemagnetisk værktøj til formationsevaluering under boring
US5453692A (en) * 1992-08-06 1995-09-26 Hitachi, Ltd. RF probe for nuclear magnetic resonance imaging (MRI) devices
DE4234544C2 (de) * 1992-10-14 1996-09-05 Bruker Analytische Messtechnik Direkt-gekoppeltes Probenwechselsystem für Flüssigkeits-NMR-Spektroskopie und Verfahren zu dessen Betrieb
US5486762A (en) * 1992-11-02 1996-01-23 Schlumberger Technology Corp. Apparatus including multi-wait time pulsed NMR logging method for determining accurate T2-distributions and accurate T1/T2 ratios and generating a more accurate output record using the updated T2-distributions and T1/T2 ratios
US5291137A (en) * 1992-11-02 1994-03-01 Schlumberger Technology Corporation Processing method and apparatus for processing spin echo in-phase and quadrature amplitudes from a pulsed nuclear magnetism tool and producing new output data to be recorded on an output record
US5432446A (en) * 1992-11-02 1995-07-11 Schlumberger Technology Corporation Borehole measurement of NMR characteristics of earth formation
US5363041A (en) * 1992-12-31 1994-11-08 Schlumberger Technology Corporation Determining bound and unbound fluid volumes using nuclear magnetic resonance pulse sequences
US5349184A (en) * 1993-01-21 1994-09-20 Schlumberger Technology Corporation Method and apparatus for reducing matrix density effects on porosity measurements during epithermal neutron porosity well logging
US5376884A (en) * 1993-04-01 1994-12-27 Schlumberger Technology Corporation Nuclear magnetic resonance measuring apparatus
US5517115A (en) * 1993-12-16 1996-05-14 Numar Corporation Efficient processing of NMR echo trains
US5498960A (en) * 1994-10-20 1996-03-12 Shell Oil Company NMR logging of natural gas in reservoirs
US5497087A (en) * 1994-10-20 1996-03-05 Shell Oil Company NMR logging of natural gas reservoirs
AU711508B2 (en) * 1995-03-23 1999-10-14 Schlumberger Technology B.V. Nuclear magnetic resonance borehole logging apparatus and method
US5680043A (en) * 1995-03-23 1997-10-21 Schlumberger Technology Corporation Nuclear magnetic resonance technique for determining gas effect with borehole logging tools
US5565775A (en) * 1995-06-23 1996-10-15 Exxon Research And Engineering Company Producible fluid volumes in porous media determined by pulsed field gradient nuclear magnetic resonance

Also Published As

Publication number Publication date
EP1053487A4 (en) 2005-08-10
EP1053487B1 (en) 2008-10-15
DE69840130D1 (de) 2008-11-27
NO20003266L (no) 2000-08-21
US6111408A (en) 2000-08-29
EP1053487A1 (en) 2000-11-22
WO1999032904A1 (en) 1999-07-01
NO329686B1 (no) 2010-11-29

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