| Patent | Date |
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Method for determining a permeability or mobility of a radial flow response of a reservoir
Grant 10,370,965 - Hegeman , et al. | 2019-08-06 |
Obtaining and evaluating downhole samples with a coring tool
Grant 9,650,891 - Reid , et al. May 16, 2 | 2017-05-16 |
Calibration and consistency check of variable volume systems
Grant 9,275,009 - Hsu , et al. March 1, 2 | 2016-03-01 |
Fluid density from downhole optical measurements
Grant 9,243,493 - Hsu , et al. January 26, 2 | 2016-01-26 |
System And Method for Removing Noise From Measurement Data
App 20140230538 - Hegeman; Peter S. | 2014-08-21 |
Methods and apparatus to detect contaminants on a fluid sensor
Grant 8,717,549 - Dong , et al. May 6, 2 | 2014-05-06 |
Obtaining And Evaluating Downhole Samples With A Coring Tool
App 20140090893 - Reid; Lennox ; et al. | 2014-04-03 |
Obtaining and evaluating downhole samples with a coring tool
Grant 8,621,920 - Reid , et al. January 7, 2 | 2014-01-07 |
In-situ evaluation of reservoir sanding and fines migration and related completion, lift and surface facilities design
Grant 8,622,128 - Hegeman January 7, 2 | 2014-01-07 |
Methods of calibrating a fluid analyzer for use in a wellbore
Grant 8,555,696 - Dong , et al. October 15, 2 | 2013-10-15 |
Fluid Density From Downhole Optical Measurements
App 20130239664 - Hsu; Kai ; et al. | 2013-09-19 |
Pressure-corrected Density Of A Fluid
App 20130239671 - Gisolf; Adriaan ; et al. | 2013-09-19 |
Phase separation detection in downhole fluid sampling
Grant 8,528,396 - Wu , et al. September 10, 2 | 2013-09-10 |
Method For Determining A Permeability Or Mobility Of A Radial Flow Response Of A Reservoir
App 20130205886 - Hegeman; Peter S. ; et al. | 2013-08-15 |
Thickness-independent computation of horizontal and vertical permeability
Grant 8,473,214 - Gok , et al. June 25, 2 | 2013-06-25 |
Apparatus to sample heavy oil from a subterranean formation
Grant 8,453,732 - Sonne , et al. June 4, 2 | 2013-06-04 |
Fluid density from downhole optical measurements
Grant 8,434,356 - Hsu , et al. May 7, 2 | 2013-05-07 |
Clean fluid sample for downhole measurements
Grant 8,434,357 - Hsu , et al. May 7, 2 | 2013-05-07 |
Calibration And Consistency Check Of Variablew Volume Systems
App 20130110401 - Hsu; Kai ; et al. | 2013-05-02 |
Methods and apparatus to determine phase-change pressures
Grant 8,335,650 - Hsu , et al. December 18, 2 | 2012-12-18 |
Formation fluid sampling tools and methods utilizing chemical heating
Grant 8,283,174 - Van Hal , et al. October 9, 2 | 2012-10-09 |
Apparatus and methods to remove impurities at a sensor in a downhole tool
Grant 8,091,635 - Vasques , et al. January 10, 2 | 2012-01-10 |
Methods and apparatus to monitor contamination levels in a formation fluid
Grant 8,024,125 - Hsu , et al. September 20, 2 | 2011-09-20 |
Formation Fluid Sampling Tools And Methods Utilizing Chemical Heating
App 20110132609 - Van Hal; Ronald E. G. ; et al. | 2011-06-09 |
Methods And Apparatus To Determine Phase-change Pressures
App 20110093200 - Hsu; Kai ; et al. | 2011-04-21 |
Methods and apparatus to determine the compressibility of a fluid
Grant 7,913,556 - Hsu , et al. March 29, 2 | 2011-03-29 |
Methods Of Calibrating A Fluid Analyzer For Use In A Wellbore
App 20110061439 - Dong; Chengli ; et al. | 2011-03-17 |
Clean Fluid Sample For Downhole Measurements
App 20110042071 - Hsu; Kai ; et al. | 2011-02-24 |
Fluid Density From Downhole Optical Measurements
App 20110042070 - Hsu; Kai ; et al. | 2011-02-24 |
Formation fluid sampling tools and methods utilizing chemical heating
Grant 7,886,825 - Van Hal , et al. February 15, 2 | 2011-02-15 |
Method and apparatus for sampling high viscosity formation fluids
Grant 7,878,243 - Goodwin , et al. February 1, 2 | 2011-02-01 |
Method and apparatus for sampling formation fluids
Grant 7,845,219 - Goodwin , et al. December 7, 2 | 2010-12-07 |
Thickness-independent Computation Of Horizontal And Vertical Permeability
App 20100274490 - Gok; Ihsan Murat ; et al. | 2010-10-28 |
In-situ Evaluation Of Reservoir Sanding And Fines Migration And Related Completion, Lift And Surface Facilities Design
App 20100258304 - HEGEMAN; PETER S. | 2010-10-14 |
Obtaining And Evaluating Downhole Samples With A Coring Tool
App 20100223989 - Reid; Lennox ; et al. | 2010-09-09 |
Phase Separation Detection In Downhole Fluid Sampling
App 20100192684 - Wu; Xu ; et al. | 2010-08-05 |
Methods And Apparatus To Sample Heavy Oil From A Subteranean Formation
App 20100186948 - Sonne; Carsten ; et al. | 2010-07-29 |
Obtaining and evaluating downhole samples with a coring tool
Grant 7,748,265 - Reid , et al. July 6, 2 | 2010-07-06 |
Apparatus And Methods To Remove Impurities At A Sensor In A Downhole Tool
App 20100126731 - Vasques; Ricardo ; et al. | 2010-05-27 |
Methods and apparatus to sample heavy oil from a subteranean formation
Grant 7,717,172 - Sonne , et al. May 18, 2 | 2010-05-18 |
Methods and apparatus to monitor contamination levels in a formation fluid
Grant 7,711,488 - Hsu , et al. May 4, 2 | 2010-05-04 |
Method and apparatus for sampling formation fluids
Grant 7,703,317 - Goodwin , et al. April 27, 2 | 2010-04-27 |
Apparatus and methods to remove impurities at a sensor in a downhole tool
Grant 7,677,307 - Vasques , et al. March 16, 2 | 2010-03-16 |
Methods And Apparatus To Determine The Compressibility Of A Fluid
App 20090308600 - Hsu; Kai ; et al. | 2009-12-17 |
Systems and methods for downhole fluid compatibility
Grant 7,614,294 - Hegeman , et al. November 10, 2 | 2009-11-10 |
Methods and apparatus to characterize stock-tank oil during fluid composition analysis
Grant 7,586,087 - Dong , et al. September 8, 2 | 2009-09-08 |
Method And Apparatus For Sampling Formation Fluids
App 20090211752 - Goodwin; Anthony R.H. ; et al. | 2009-08-27 |
Methods And Apparatus To Monitor Contamination Levels In A Formation Fluid
App 20090150079 - Hsu; Kai ; et al. | 2009-06-11 |
Methods and Apparatus to Sample Heavy Oil from a Subteranean Formation
App 20080296017 - Sonne; Carsten ; et al. | 2008-12-04 |
Methods and Apparatus to Characterize Stock-Tank Oil During Fluid Composition Analysis
App 20080173445 - Dong; Chengli ; et al. | 2008-07-24 |
Methods and Apparatus to Monitor Contamination Levels in a Formation Fluid
App 20080156088 - Hsu; Kai ; et al. | 2008-07-03 |
Apparatus and Methods to Remove Impurities at a Sensor in a Downhole Tool
App 20080093078 - Vasques; Ricardo ; et al. | 2008-04-24 |
Method and Apparatus for Sampling High Viscosity Formation Fluids
App 20080078581 - Goodwin; Anthony R.H. ; et al. | 2008-04-03 |
Systems and Methods for Downhole Fluid Compatibility
App 20080066537 - Hegeman; Peter S. ; et al. | 2008-03-20 |
Obtaining And Evaluating Downhole Samples With A Coring Tool
App 20080066534 - REID; LENNOX ; et al. | 2008-03-20 |
Method And Apparatus For Sampling Formation Fluids
App 20080066536 - Goodwin; Anthony R. H. ; et al. | 2008-03-20 |
Formation Fluid Sampling Tools and Methods Utilizing Chemical Heating
App 20080066904 - Van Hal; Ronald E. G. ; et al. | 2008-03-20 |
Fluids chain-of-custody
Grant 7,158,887 - Betancourt , et al. January 2, 2 | 2007-01-02 |
Optical fluid analysis signal refinement
Grant 6,992,768 - Dong , et al. January 31, 2 | 2006-01-31 |
Fluids Chain-Of-Custody
App 20050165554 - Betancourt, Soraya Sofia ; et al. | 2005-07-28 |
[optical Fluid Analysis Signal Refinement]
App 20040233446 - DONG, CHENGLI ; et al. | 2004-11-25 |
Determining Fluid Properties From Fluid Analyzer
App 20040193375 - Dong, Chengli ; et al. | 2004-09-30 |
Method for determining formation characteristics in a perforated wellbore
App 20030056950 - Burgess, Keith A. ; et al. | 2003-03-27 |
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