US5557200A
(en)
*
|
1991-05-16 |
1996-09-17 |
Numar Corporation |
Nuclear magnetic resonance determination of petrophysical properties of geologic structures
|
US5530350A
(en)
*
|
1991-11-20 |
1996-06-25 |
Auburn International, Inc. |
Magnetic resonance analysis in real time, industrial usage mode
|
US5596274A
(en)
*
|
1992-12-31 |
1997-01-21 |
Schlumberger Technology Corporation |
Determining bound and unbound fluid volumes using nuclear magnetic resonance pulse sequences
|
US5497087A
(en)
*
|
1994-10-20 |
1996-03-05 |
Shell Oil Company |
NMR logging of natural gas reservoirs
|
US5680043A
(en)
*
|
1995-03-23 |
1997-10-21 |
Schlumberger Technology Corporation |
Nuclear magnetic resonance technique for determining gas effect with borehole logging tools
|
US5936405A
(en)
*
|
1995-09-25 |
1999-08-10 |
Numar Corporation |
System and method for lithology-independent gas detection using multifrequency gradient NMR logging
|
US6242912B1
(en)
|
1995-10-12 |
2001-06-05 |
Numar Corporation |
System and method for lithology-independent gas detection using multifrequency gradient NMR logging
|
US6512371B2
(en)
|
1995-10-12 |
2003-01-28 |
Halliburton Energy Services, Inc. |
System and method for determining oil, water and gas saturations for low-field gradient NMR logging tools
|
US6956371B2
(en)
*
|
1995-10-12 |
2005-10-18 |
Halliburton Energy Services, Inc. |
Method and apparatus for detecting diffusion sensitive phases with estimation of residual error in NMR logs
|
US6005389A
(en)
*
|
1996-03-15 |
1999-12-21 |
Numar Corporation |
Pulse sequences and interpretation techniques for NMR measurements
|
US6531868B2
(en)
|
1996-12-30 |
2003-03-11 |
Halliburton Energy Services, Inc. |
System and methods for formation evaluation while drilling
|
US6051973A
(en)
*
|
1996-12-30 |
2000-04-18 |
Numar Corporation |
Method for formation evaluation while drilling
|
US6204663B1
(en)
|
1997-03-26 |
2001-03-20 |
Numar Corporation |
Pulse sequence and method for suppression of magneto-acoustic artifacts in NMR data
|
US6081116A
(en)
*
|
1997-04-21 |
2000-06-27 |
Baker Hughes Incorporated |
Nuclear magnetic resonance apparatus and method for geological applications
|
US6177794B1
(en)
|
1997-05-13 |
2001-01-23 |
The Regents Of The University Of California |
Use of earth field spin echo NMR to search for liquid minerals
|
US6166540A
(en)
*
|
1997-06-30 |
2000-12-26 |
Wollin Ventures, Inc. |
Method of resistivity well logging utilizing nuclear magnetic resonance
|
US6094048A
(en)
*
|
1997-12-18 |
2000-07-25 |
Shell Oil Company |
NMR logging of natural gas reservoirs
|
US6111408A
(en)
*
|
1997-12-23 |
2000-08-29 |
Numar Corporation |
Nuclear magnetic resonance sensing apparatus and techniques for downhole measurements
|
AR015217A1
(es)
|
1998-01-16 |
2001-04-18 |
Numar Corp |
UNA HERRAMIENTA DE RESONANCIA MAGNETICA NUCLEAR (RMN) PARA CONDUCIR MEDICIONES DE UNA FORMACION DE TIERRA QUE RODEA UN POZO DE SONDEO, UN METODO PARA EFECTUAR DICHAS MEDICIONES MIENTRAS SE EFECTUA EL TALADRO Y UNA DISPOSICIoN PARA HACER MEDICIONES DE RMN.
|
US6023164A
(en)
*
|
1998-02-20 |
2000-02-08 |
Numar Corporation |
Eccentric NMR well logging apparatus and method
|
FR2781053B1
(fr)
|
1998-07-10 |
2000-08-11 |
Commissariat Energie Atomique |
Caracterisation d'un milieu permeable poreux par rmn de gaz polarise
|
US6107796A
(en)
*
|
1998-08-17 |
2000-08-22 |
Numar Corporation |
Method and apparatus for differentiating oil based mud filtrate from connate oil
|
US6377042B1
(en)
|
1998-08-31 |
2002-04-23 |
Numar Corporation |
Method and apparatus for merging of NMR echo trains in the time domain
|
US6366087B1
(en)
*
|
1998-10-30 |
2002-04-02 |
George Richard Coates |
NMR logging apparatus and methods for fluid typing
|
US6316940B1
(en)
|
1999-03-17 |
2001-11-13 |
Numar Corporation |
System and method for identification of hydrocarbons using enhanced diffusion
|
US6661226B1
(en)
|
1999-08-13 |
2003-12-09 |
Halliburton Energy Services, Inc. |
NMR apparatus and methods for measuring volumes of hydrocarbon gas and oil
|
US6255819B1
(en)
|
1999-10-25 |
2001-07-03 |
Halliburton Energy Services, Inc. |
System and method for geologically-enhanced magnetic resonance imaging logs
|
US6541969B2
(en)
|
1999-12-15 |
2003-04-01 |
Halliburton Energy Services, Inc. |
Method and apparatus for improving the vertical resolution of NMR logs
|
US6646437B1
(en)
|
2000-04-07 |
2003-11-11 |
Halliburton Energy Services, Inc. |
System and method for clay typing using NMR-based porosity modeling
|
US6624629B1
(en)
*
|
2000-05-08 |
2003-09-23 |
Schlumberger Technology Corporation |
Optimizing characteristics of RF pulses used in NMR measurements
|
US6577125B2
(en)
|
2000-12-18 |
2003-06-10 |
Halliburton Energy Services, Inc. |
Temperature compensated magnetic field apparatus for NMR measurements
|
US7135862B2
(en)
|
2001-03-13 |
2006-11-14 |
Halliburton Energy Services, Inc |
NMR logging using time-domain averaging
|
US6518756B1
(en)
*
|
2001-06-14 |
2003-02-11 |
Halliburton Energy Services, Inc. |
Systems and methods for determining motion tool parameters in borehole logging
|
US6525534B2
(en)
|
2001-06-15 |
2003-02-25 |
Halliburton Energy Services, Inc. |
System and methods for NMR signal processing without phase alternated pair stacking
|
US7117733B2
(en)
*
|
2004-04-07 |
2006-10-10 |
Baker Hughes Incorporated |
Dynamic logging speed
|
US7301338B2
(en)
*
|
2001-08-13 |
2007-11-27 |
Baker Hughes Incorporated |
Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysis
|
FR2832255B1
(fr)
*
|
2001-11-13 |
2004-11-26 |
France Telecom |
Peigne et procede de derivation d'un cablage preexistant
|
US6859032B2
(en)
*
|
2001-12-18 |
2005-02-22 |
Schlumberger Technology Corporation |
Method for determining molecular properties of hydrocarbon mixtures from NMR data
|
US6856132B2
(en)
|
2002-11-08 |
2005-02-15 |
Shell Oil Company |
Method and apparatus for subterranean formation flow imaging
|
US6937014B2
(en)
*
|
2003-03-24 |
2005-08-30 |
Chevron U.S.A. Inc. |
Method for obtaining multi-dimensional proton density distributions from a system of nuclear spins
|
US7463027B2
(en)
*
|
2003-05-02 |
2008-12-09 |
Halliburton Energy Services, Inc. |
Systems and methods for deep-looking NMR logging
|
CA2852097A1
(en)
*
|
2003-10-03 |
2005-04-21 |
Halliburton Energy Services, Inc. |
System and methods for t1-based logging
|
WO2005036338A2
(en)
*
|
2003-10-04 |
2005-04-21 |
Halliburton Energy Services Group |
System and methods for upscaling petrophysical data
|
WO2005065277A2
(en)
|
2003-12-24 |
2005-07-21 |
Halliburton Energy Services, Inc. |
Contamination estimation using fluid analysis models
|
WO2005067569A2
(en)
*
|
2004-01-04 |
2005-07-28 |
Halliburton Energy Services, Inc. |
Method and apparatus for detecting hydrocarbons with nmr logs in wells drilled with oil-based muds
|
CN100373172C
(zh)
*
|
2004-10-21 |
2008-03-05 |
北京大学 |
用岩石核磁共振弛豫信号测量地层岩石物性的设备及测量方法
|
US20110093199A1
(en)
*
|
2009-09-29 |
2011-04-21 |
Kittridge Mark Gerard |
Characterization of logging tool performance
|
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
|
US9304179B1
(en)
|
2011-08-12 |
2016-04-05 |
University Of New Brunswick |
Method of magnetic resonance imaging combining phase and frequency encoding
|
US9405035B2
(en)
|
2012-01-10 |
2016-08-02 |
Halliburton Energy Services, Inc. |
Enhanced transmitter and method for a nuclear magnetic resonance logging tool
|
AU2012369222B2
(en)
|
2012-02-08 |
2015-05-07 |
Halliburton Energy Services, Inc. |
Nuclear magnetic resonance logging tool having multiple pad-mounted atomic magnetometers
|
US10254433B2
(en)
|
2013-07-15 |
2019-04-09 |
Halliburton Energy Services, Inc. |
Nuclear magnetic resonance (NMR) logging tool calibration
|
US20160025825A1
(en)
*
|
2014-07-25 |
2016-01-28 |
Gersh Z. Taicher |
Nuclear magnetic resonance apparatus and methods
|
US9851315B2
(en)
|
2014-12-11 |
2017-12-26 |
Chevron U.S.A. Inc. |
Methods for quantitative characterization of asphaltenes in solutions using two-dimensional low-field NMR measurement
|
CN108028129B
(zh)
*
|
2015-10-20 |
2020-03-17 |
哈利伯顿能源服务公司 |
测井工具铁氧体和制造方法
|
US10634746B2
(en)
|
2016-03-29 |
2020-04-28 |
Chevron U.S.A. Inc. |
NMR measured pore fluid phase behavior measurements
|
WO2019222300A1
(en)
|
2018-05-15 |
2019-11-21 |
Schlumberger Technology Corporation |
Adaptive downhole acquisition system
|
WO2020069378A1
(en)
*
|
2018-09-28 |
2020-04-02 |
Schlumberger Technology Corporation |
Elastic adaptive downhole acquisition system
|
US11726227B2
(en)
|
2021-06-18 |
2023-08-15 |
Terrasee Tech, LLC |
Determining resonant frequencies and magnetic influence factors of materials in the earth
|