Dong; Chengli

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dong; Chengli.The latest application filed is for "methods and apparatus for characterization of hydrocarbon reservoirs".

Company Profile

0.31.27

Dong; Chengli - Sugar Land TX
Dong; Chengli - Pearland TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Methods and apparatus for characterization of hydrocarbon reservoirs Grant 9,416,647 - Zuo , et al. August 16, 2	2016-08-16
Integrated formation modeling systems and methods Grant 9,366,776 - Xian , et al. June 14, 2	2016-06-14
Methods for characterization of petroleum fluid and application thereof Grant 8,996,346 - Zuo , et al. March 31, 2	2015-03-31
Methods and apparatus to detect contaminants on a fluid sensor Grant 8,717,549 - Dong , et al. May 6, 2	2014-05-06
Methods of calibrating a fluid analyzer for use in a wellbore Grant 8,555,696 - Dong , et al. October 15, 2	2013-10-15
Phase separation detection in downhole fluid sampling Grant 8,528,396 - Wu , et al. September 10, 2	2013-09-10
Methods And Apparatus For Characterization Of Hydrocarbon Reservoirs App 20130197808 - Zuo; Youxiang ; et al.	2013-08-01
Methods for Characterizing Asphaltene Instability in Reservoir Fluids App 20130112406 - Zuo; Youxiang ; et al.	2013-05-09
Methods For Characterization Of Petroleum Fluid And Application Thereof App 20120296617 - Zuo; Julian Youxiang ; et al.	2012-11-22
Method of downhole characterization of formation fluids, measurement controller for downhole characterization of formation fluids, and apparatus for downhole characterization of formation fluids Grant 8,256,283 - Terabayashi , et al. September 4, 2	2012-09-04
Apparatus and methods to analyze downhole fluids using ionized fluid samples Grant 8,230,916 - Sumrall , et al. July 31, 2	2012-07-31
Integrated Formation Modeling Systems and Methods App 20120147704 - Xian; ChengGang ; et al.	2012-06-14
Downhole fluid spectroscopy Grant 8,039,791 - Dong , et al. October 18, 2	2011-10-18
Methods and apparatus to monitor contamination levels in a formation fluid Grant 8,024,125 - Hsu , et al. September 20, 2	2011-09-20
Methods and apparatus for analysis of downhole asphaltene gradients and applications thereof Grant 7,996,154 - Zuo , et al. August 9, 2	2011-08-09
Predicting formation fluid property through downhole fluid analysis using artificial neural network Grant 7,966,273 - Hegeman , et al. June 21, 2	2011-06-21
Methods Of Calibrating A Fluid Analyzer For Use In A Wellbore App 20110061439 - Dong; Chengli ; et al.	2011-03-17
Method Of Downhole Characterization Of Formation Fluids, Measurement Controller For Downhole Characterization Of Formation Fluids, And Apparatus For Downhole Characterization Of Formation Fluids App 20100313647 - Terabayashi; Toru ; et al.	2010-12-16
Downhole Fluid Spectroscopy App 20100282959 - Dong; Chengli ; et al.	2010-11-11
Method of downhole characterization of formation fluids, measurement controller for downhole characterization of formation fluids, and apparatus for downhole characterization of formation fluids Grant 7,788,972 - Terabayashi , et al. September 7, 2	2010-09-07
Phase Separation Detection In Downhole Fluid Sampling App 20100192684 - Wu; Xu ; et al.	2010-08-05
Methods and apparatus to monitor contamination levels in a formation fluid Grant 7,711,488 - Hsu , et al. May 4, 2	2010-05-04
Downhole fluid analysis for production logging Grant 7,644,611 - Kamiya , et al. January 12, 2	2010-01-12
Methods And Apparatus To Detect Contaminants On A Fluid Sensor App 20090306897 - Dong; Chengli ; et al.	2009-12-10
Methods And Apparatus For Analysis Of Downhole Asphaltene Gradients And Applications Thereof App 20090248310 - ZUO; YOUXIANG (JULIAN) ; et al.	2009-10-01
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
Methods And Apparatus To Monitor Contamination Levels In A Formation Fluid App 20090150079 - Hsu; Kai ; et al.	2009-06-11
Apparatus And Methods To Analyze Downhole Fluids Using Ionized Fluid Samples App 20090126928 - Sumrall; Ernest N. ; et al.	2009-05-21
Methods and apparatus for the downhole characterization of formation fluids Grant 7,526,953 - Goodwin , et al. May 5, 2	2009-05-05
Method Of Downhole Characterization Of Formation Fluids, Measurement Controller For Downhole Characterization Of Formation Fluids, And Apparatus For Downhole Characterization Of Formation Fluids App 20090078036 - TERABAYASHI; TORU ; et al.	2009-03-26
Methods and apparatus to perform downhole fluid analysis using an artificial neural network App 20090030858 - Hegeman; Peter ; et al.	2009-01-29
Fluid analysis method and apparatus Grant 7,458,252 - Freemark , et al. December 2, 2	2008-12-02
Methods and apparatus for oil composition determination Grant 7,458,258 - Xian , et al. December 2, 2	2008-12-02
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
Downhole Fluid Analysis For Production Logging App 20080066538 - KAMIYA; AKIRA ; et al.	2008-03-20
System and methods of deriving fluid properties of downhole fluids and uncertainty thereof Grant 7,305,306 - Venkataramanan , et al. December 4, 2	2007-12-04
Methods and apparatus for oil composition determination App 20070137292 - Xian; ChengGang ; et al.	2007-06-21
Methods And Apparatus For The Downhole Characterization Of Formation Fluids App 20070119244 - Goodwin; Anthony R.H. ; et al.	2007-05-31
Fluids chain-of-custody Grant 7,158,887 - Betancourt , et al. January 2, 2	2007-01-02
Fluid Analysis Method And Apparatus App 20060243033 - Freemark; Darcy ; et al.	2006-11-02
System and methods of deriving fluid properties of downhole fluids and uncertainty thereof App 20060155474 - Venkataramanan; Lalitha ; et al.	2006-07-13
Determining phase transition pressure of downhole retrograde condensate Grant 7,075,063 - Dong , et al. July 11, 2	2006-07-11
Assessing downhole WBM-contaminated connate water Grant 7,028,773 - Fujisawa , et al. April 18, 2	2006-04-18
Determining dew precipitation and onset pressure in oilfield retrograde condensate Grant 7,002,142 - Mullins , et al. February 21, 2	2006-02-21
Optical fluid analysis signal refinement Grant 6,992,768 - Dong , et al. January 31, 2	2006-01-31
Determining fluid properties from fluid analyzer Grant 6,956,204 - Dong , et al. October 18, 2	2005-10-18
Determining phase transition pressure of downhole retrograde condensate App 20050067562 - Dong, Chengli ; et al.	2005-03-31
[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
Assessing downhole WBM-contaminated connate water App 20040000400 - Fujisawa, Go ; et al.	2004-01-01
Determining dew precipitation and onset pressure in oilfield retrograde condensate App 20040000636 - Mullins, Oliver C. ; et al.	2004-01-01

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.