Inventor · disambiguated record
Peter S. Hegeman
Also filed as: HEGEMAN PETER · HEGEMAN PETER S
36 granted patents·2 pending applications·649 citations·filing 2001–2013
98Inventor score
Top patents by PatentIndex Score
38 records- 0196US8024125B2Methods and apparatus to monitor contamination levels in a formation fluidSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Sep 20, 2011·37 cites·20 claims
- 0294US7913556B2Methods and apparatus to determine the compressibility of a fluidSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Mar 29, 2011·29 cites·20 claims
- 0394US7277796B2System and methods of characterizing a hydrocarbon reservoirSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Oct 2, 2007·82 cites·52 claims
- 0491US8622128B2In-situ evaluation of reservoir sanding and fines migration and related completion, lift and surface facilities designHEGEMAN PETER S·Filed 2009·Granted Jan 7, 2014·50 cites·40 claims
- 0591US8283174B2Formation fluid sampling tools and methods utilizing chemical heatingVAN HAL RONALD E G·Filed 2011·Granted Oct 9, 2012·16 cites·38 claims
- 0690US8434356B2Fluid density from downhole optical measurementsHSU KAI·Filed 2009·Granted May 7, 2013·31 cites·18 claims
- 0790US7748265B2Obtaining and evaluating downhole samples with a coring toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Jul 6, 2010·30 cites·17 claims
- 0890US7711488B2Methods and apparatus to monitor contamination levels in a formation fluidSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted May 4, 2010·13 cites·22 claims
- 0990US7677307B2Apparatus and methods to remove impurities at a sensor in a downhole toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Mar 16, 2010·31 cites·4 claims
- 1089US9650891B2Obtaining and evaluating downhole samples with a coring toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted May 16, 2017·10 cites·8 claims
- 1188US7966273B2Predicting formation fluid property through downhole fluid analysis using artificial neural networkSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Jun 21, 2011·44 cites·26 claims
- 1288US7703317B2Method and apparatus for sampling formation fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Apr 27, 2010·27 cites·25 claims
- 1387US8335650B2Methods and apparatus to determine phase-change pressuresHSU KAI·Filed 2009·Granted Dec 18, 2012·11 cites·19 claims
- 1484US9422811B2Packer tool including multiple port configurationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Aug 23, 2016·8 cites·17 claims
- 1584US7886825B2Formation fluid sampling tools and methods utilizing chemical heatingSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Feb 15, 2011·22 cites·34 claims
- 1684US7614294B2Systems and methods for downhole fluid compatibilitySCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Nov 10, 2009·24 cites·14 claims
- 1781US8621920B2Obtaining and evaluating downhole samples with a coring toolREID LENNOX·Filed 2010·Granted Jan 7, 2014·8 cites·17 claims
- 1881US7717172B2Methods and apparatus to sample heavy oil from a subteranean formationSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted May 18, 2010·17 cites·10 claims
- 1980US8528396B2Phase separation detection in downhole fluid samplingWU XU·Filed 2009·Granted Sep 10, 2013·21 cites·26 claims
- 2080US7878243B2Method and apparatus for sampling high viscosity formation fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Feb 1, 2011·19 cites·15 claims
- 2180US7845219B2Method and apparatus for sampling formation fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Dec 7, 2010·15 cites·13 claims
- 2277US7158887B2Fluids chain-of-custodySCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Jan 2, 2007·16 cites·35 claims
- 2375US9243493B2Fluid density from downhole optical measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Jan 26, 2016·4 cites·4 claims
- 2475US6992768B2Optical fluid analysis signal refinementSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Jan 31, 2006·12 cites·24 claims
- 2573US8453732B2Apparatus to sample heavy oil from a subterranean formationSONNE CARSTEN·Filed 2010·Granted Jun 4, 2013·4 cites·11 claims
- 2673US6581685B2Method for determining formation characteristics in a perforated wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Jun 24, 2003·43 cites·21 claims
- 2769US7586087B2Methods and apparatus to characterize stock-tank oil during fluid composition analysisSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Sep 8, 2009·10 cites·25 claims
- 2865US8434357B2Clean fluid sample for downhole measurementsHSU KAI·Filed 2009·Granted May 7, 2013·9 cites·22 claims
- 2960US9275009B2Calibration and consistency check of variable volume systemsHSU KAI·Filed 2012·Granted Mar 1, 2016·1 cites·18 claims
- 3057US8091635B2Apparatus and methods to remove impurities at a sensor in a downhole toolVASQUES RICARDO·Filed 2010·Granted Jan 10, 2012·1 cites·10 claims
- 3156US8473214B2Thickness-independent computation of horizontal and vertical permeabilityGOK IHSAN MURAT·Filed 2010·Granted Jun 25, 2013·3 cites·17 claims
- 3255US10370965B2Method for determining a permeability or mobility of a radial flow response of a reservoirHEGEMAN PETER S·Filed 2012·Granted Aug 6, 2019·1 cites·13 claims
- 3348US8717549B2Methods and apparatus to detect contaminants on a fluid sensorDONG CHENGLI·Filed 2008·Granted May 6, 2014·0 cites·18 claims
- 3446US9353620B2Detection of permeability anisotropy in the horizontal planeSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted May 31, 2016·0 cites·10 claims
- 3544US9759059B2Detection of permeability anisotropy in the horizontal plane with a formation testing toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Sep 12, 2017·0 cites·11 claims
- 3641US2014230538A1System And Method for Removing Noise From Measurement DataHEGEMAN PETER S·Filed 2012·Application pending·0 cites
- 3738US2013239671A1Pressure-corrected density of a fluidGISOLF ADRIAAN·Filed 2012·Application pending·0 cites
- 3835US8555696B2Methods of calibrating a fluid analyzer for use in a wellboreDONG CHENGLI·Filed 2008·Granted Oct 15, 2013·0 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →