| Patent | Date |
|---|
Method and system to conduct measurement while cementing
Grant 11,208,885 - Stokely , et al. December 28, 2 | 2021-12-28 |
Detachable sensor with fiber optics for cement plug
Grant 11,156,076 - Stokely , et al. October 26, 2 | 2021-10-26 |
Nuclear magnetic resonance sensors embedded in cement
Grant 11,143,014 - Ganssle , et al. October 12, 2 | 2021-10-12 |
Method And System To Conduct Measurement While Cementing
App 20210238995 - STOKELY; Christopher Lee ; et al. | 2021-08-05 |
Zonal representation for flow visualization
Grant 11,015,438 - Ravi , et al. May 25, 2 | 2021-05-25 |
Treatment fluids comprising synthetic silicates and methods for use
Grant 11,001,743 - Ravi , et al. May 11, 2 | 2021-05-11 |
Method and apparatus for identifying fluids behind casing
Grant 10,982,532 - Ravi , et al. April 20, 2 | 2021-04-20 |
Systems and methods for characterizing materials external of a casing
Grant 10,928,540 - Wilson , et al. February 23, 2 | 2021-02-23 |
Annular pressure buildup mitigation using acid swellable polymer system
Grant 10,876,029 - Ravi , et al. December 29, 2 | 2020-12-29 |
Hydration performance of microcellulose in cement
Grant 10,781,357 - Pearl, Jr. , et al. Sept | 2020-09-22 |
Electromagnetic telemetry for sensor systems deployed in a borehole environment
Grant 10,760,413 - Wilson , et al. Sep | 2020-09-01 |
Swellable technology for downhole fluids detection
Grant 10,753,176 - Jimenez , et al. A | 2020-08-25 |
Dynamic sensing of the top of cement (TOC) during cementing of a well casing in a well bore
Grant 10,738,590 - Ravi , et al. A | 2020-08-11 |
Detachable Sensor With Fiber Optics For Cement Plug
App 20200240258 - Stokely; Christopher Lee ; et al. | 2020-07-30 |
Geometric shaping of radio-frequency tags used in wellbore cementing operations
Grant 10,718,203 - Ravi , et al. | 2020-07-21 |
Downhole fluid detection using surface waves
Grant 10,677,048 - Roberson , et al. | 2020-06-09 |
Annular Pressure Buildup Mitigation Using Acid Swellable Polymer System
App 20200131424 - RAVI; Krishna M. ; et al. | 2020-04-30 |
Managed pressure system for pressure testing in well bore operations
Grant 10,612,328 - Ravi , et al. | 2020-04-07 |
pH-sensitive chemicals for downhole fluid sensing and communication with the surface
Grant 10,598,005 - Prince , et al. | 2020-03-24 |
Treatment Fluids Comprising Synthetic Silicates And Methods For Use
App 20200010752 - Ravi; Krishna M. ; et al. | 2020-01-09 |
Wellbore fluid discrimination using impedance spectra characteristics
Grant 10,514,350 - Boul , et al. Dec | 2019-12-24 |
Cement composition for lost circulation application and method of cementing
Grant 10,479,923 - Patil , et al. Nov | 2019-11-19 |
Multi-coil RFID sensor assembly
Grant 10,474,853 - Roberson , et al. Nov | 2019-11-12 |
Downhole communications using variable length data packets
Grant 10,458,229 - Roberson , et al. Oc | 2019-10-29 |
Dual-frequency tags to detect cement curing in wellbore applications
Grant 10,450,850 - Roberson , et al. Oc | 2019-10-22 |
Cement plug tracking with fiber optics
Grant 10,400,544 - Stokley , et al. Sep | 2019-09-03 |
Methods for formulating a cement slurry for use in a subterranean salt formation using geometric modeling
Grant 10,364,643 - Jandhyala , et al. | 2019-07-30 |
Methods and systems for detecting RFID tags in a borehole environment
Grant 10,358,914 - Roberson , et al. | 2019-07-23 |
Engineering methodology to treat severe loss zones with thixotropic cement system
Grant 10,344,544 - Ravi , et al. July 9, 2 | 2019-07-09 |
Fluid characterization apparatus, systems, and methods
Grant 10,302,799 - Boul , et al. | 2019-05-28 |
Improved Hydration Performance Of Microcellulose In Cement
App 20190085233 - Pearl, Jr.; William Cecil ; et al. | 2019-03-21 |
Methods and compositions for treating a subterranean formation with salt-tolerant cement slurries
Grant 10,233,378 - Ravi , et al. | 2019-03-19 |
Ph-sensitive Chemicals For Downhole Fluid Sensing And Communication With The Surface
App 20190024503 - Prince; Aaron ; et al. | 2019-01-24 |
Managed Pressure System For Pressure Testing In Well Bore Operations
App 20180328128 - Ravi; Krishna M. ; et al. | 2018-11-15 |
Dual-Frequency Tags to Detect Cement Curing in Wellbore Applications
App 20180283164 - ROBERSON; Mark W. ; et al. | 2018-10-04 |
Methods And Compositions For Treating A Subterranean Formation With Salt-tolerant Cement Slurries
App 20180258338 - Ravi; Krishna M. ; et al. | 2018-09-13 |
Cement Plug Tracking With Fiber Optics
App 20180245424 - Stokley; Christopher Lee ; et al. | 2018-08-30 |
Swellable Technology For Downhole Fluids Detection
App 20180245427 - Jimenez; Walmy Cuello ; et al. | 2018-08-30 |
Methods for formulating a cement slurry for use in a subterranean salt formation
Grant 10,060,218 - Jandhyala , et al. August 28, 2 | 2018-08-28 |
Method And Apparatus For Identifying Fluids Behind Casing
App 20180238167 - RAVI; Krishna M. ; et al. | 2018-08-23 |
Zonal Representation for Flow Visualization
App 20180223650 - Ravi; Krishna M. ; et al. | 2018-08-09 |
Methods and compositions for treating a subterranean formation with salt-tolerant cement slurries
Grant 9,994,757 - Ravi , et al. June 12, 2 | 2018-06-12 |
Systems and Methods for Characterizing Materials External of a Casing
App 20180136356 - Wilson; Glenn A. ; et al. | 2018-05-17 |
Methods For Formulating A Cement Slurry For Use In A Subterranean Salt Formation
App 20180135382 - JANDHYALA; Siva Rama Krishna ; et al. | 2018-05-17 |
Methods For Formulating A Cement Slurry For Use In A Subterranean Salt Formation Using Geometric Modeling
App 20180087377 - Jandhyala; Siva Rama Krishna ; et al. | 2018-03-29 |
Multi-Coil RFID Sensor Assembly
App 20180082090 - Roberson; Mark W. ; et al. | 2018-03-22 |
Engineering Methodology To Treat Severe Loss Zones With Thixotropic Cement System
App 20180051528 - RAVI; Krishna M. ; et al. | 2018-02-22 |
Geometric Shaping of Radio-Frequency Tags Used in Wellbore Cementing Operations
App 20180030825 - RAVI; Krishna M. ; et al. | 2018-02-01 |
Methods and apparatus for evaluating downhole conditions through fluid sensing
Grant 9,879,519 - Roberson , et al. January 30, 2 | 2018-01-30 |
Methods And Compositions For Treating A Subterranean Formation With Salt-tolerant Cement Slurries
App 20180010033 - RAVI; Krishna M. ; et al. | 2018-01-11 |
Dynamic Sensing Of The Top Of Cement (toc) During Cementing Of A Well Casing In A Well Bore
App 20180010438 - Ravi; Krishna M. ; et al. | 2018-01-11 |
Downhole Fluid Detection Using Surface Waves
App 20180003036 - Roberson; Mark W. ; et al. | 2018-01-04 |
Downhole Communications Using Variable Length Data Packets
App 20170350239 - Roberson; Mark W. ; et al. | 2017-12-07 |
Electromagnetic Telemetry for Sensor Systems Deployed in a Borehole Environment
App 20170342826 - Wilson; Glenn A. ; et al. | 2017-11-30 |
Methods for formulating a cement slurry for use in a subterranean salt formation using geometric modeling
Grant 9,822,639 - Jandhyala , et al. November 21, 2 | 2017-11-21 |
Monitoring downhole parameters using MEMS
Grant 9,822,631 - Ravi , et al. November 21, 2 | 2017-11-21 |
Methods and compositions for treating a subterranean formation with salt-tolerant cement slurries
Grant 9,796,905 - Ravi , et al. October 24, 2 | 2017-10-24 |
Use of micro-electro-mechanical systems (MEMS) in well treatments
Grant 9,732,584 - Roddy , et al. August 15, 2 | 2017-08-15 |
Nuclear Magnetic Resonance Sensors Embedded In Cement
App 20170218748 - GANSSLE; Paul Joseph ; et al. | 2017-08-03 |
Methods For Formulating A Cement Slurry For Use In A Subterranean Salt Formation Using Geometric Modeling
App 20170183964 - Jandhyala; Siva Rama Krishna ; et al. | 2017-06-29 |
Fluid Characterization Apparatus, Systems, And Methods
App 20170146680 - Boul; Peter James ; et al. | 2017-05-25 |
Wellbore Fluid Discrimination Using Impedance Spectra Characteristics
App 20170131226 - Boul; Peter James ; et al. | 2017-05-11 |
Mitigating annular pressure buildup using temperature-activated polymeric particulates
Grant 9,631,132 - Ravi , et al. April 25, 2 | 2017-04-25 |
Methods and apparatus for evaluating downhole conditions with RFID MEMS sensors
Grant 9,494,032 - Roberson , et al. November 15, 2 | 2016-11-15 |
Pozzolan for use in a cement composition having a low heat of hydration
Grant 9,487,691 - Ravi , et al. November 8, 2 | 2016-11-08 |
Methods and apparatus for evaluating downhole conditions through RFID sensing
Grant 9,394,785 - Goodwin , et al. July 19, 2 | 2016-07-19 |
Timeline from slumber to collection of RFID tags in a well environment
Grant 9,394,756 - Roberson , et al. July 19, 2 | 2016-07-19 |
Algorithm for zonal fault detection in a well environment
Grant 9,394,784 - Roberson , et al. July 19, 2 | 2016-07-19 |
Monitoring Downhole Parameters Using Mems
App 20160040524 - Ravi; Krishna M. ; et al. | 2016-02-11 |
Drilling fluid that when mixed with a cement composition enhances physical properties of the cement composition
Grant 9,022,147 - Ravi , et al. May 5, 2 | 2015-05-05 |
Mitigating Annular Pressure Buildup Using Temperature-Activated Polymeric Particulates
App 20150013988 - Ravi; Krishna M. ; et al. | 2015-01-15 |
Methods And Apparatus For Evaluating Downhole Conditions Through Fluid Sensing
App 20140367092 - Roberson; Mark W. ; et al. | 2014-12-18 |
Methods And Systems For Detecting Rfid Tags In A Borehole Environment
App 20140354443 - Roberson; Mark W. ; et al. | 2014-12-04 |
Pozzolan For Use In A Cement Composition Having A Low Heat Of Hydration
App 20140332216 - RAVI; Krishna M. ; et al. | 2014-11-13 |
Methods and Compositions for Treating a Subterranean Formation with Salt-Tolerant Cement Slurries
App 20140326455 - Ravi; Krishna M. ; et al. | 2014-11-06 |
Algorithm For Zonal Fault Detection In A Well Environment
App 20140182848 - Roberson; Mark W. ; et al. | 2014-07-03 |
Timeline From Slumber To Collection Of Rfid Tags In A Well Environment
App 20140182845 - Roberson; Mark W. ; et al. | 2014-07-03 |
Methods And Apparatus For Evaluating Downhole Conditions Through Rfid Sensing
App 20140174732 - Goodwin; Scott ; et al. | 2014-06-26 |
Methods And Apparatus For Evaluating Downhole Conditions With Rfid Mems Sensors
App 20140111349 - Roberson; Mark W. ; et al. | 2014-04-24 |
Sealant Compositions and Methods of Use
App 20140073537 - Ravi; Krishna M. ; et al. | 2014-03-13 |
Settable compositions containing metakaolin having reduced portland cement content
Grant 8,627,888 - Santra , et al. January 14, 2 | 2014-01-14 |
Oilwell sealant compositions comprising alkali swellable latex
Grant 8,383,558 - Reddy , et al. February 26, 2 | 2013-02-26 |
Sealant Compositions and Methods of Use
App 20120318174 - Ravi; Krishna M. ; et al. | 2012-12-20 |
Drilling Fluid That When Mixed With A Cement Composition Enhances Physical Properties Of The Cement Composition
App 20120305248 - RAVI; Krishna M. ; et al. | 2012-12-06 |
Use of micro-electro-mechanical systems (MEMS) in well treatments
Grant 8,316,936 - Roddy , et al. November 27, 2 | 2012-11-27 |
Settable Compositions Containing Metakaolin Having Reduced Portland Cement Content
App 20120285682 - Santra; Ashok K. ; et al. | 2012-11-15 |
Use of micro-electro-mechanical systems (MEMS) in well treatments
Grant 8,302,686 - Roddy , et al. November 6, 2 | 2012-11-06 |
Use of micro-electro-mechanical systems (MEMS) in well treatments
Grant 8,297,353 - Roddy , et al. October 30, 2 | 2012-10-30 |
Use of micro-electro-mechanical systems (MEMS) in well treatments
Grant 8,297,352 - Roddy , et al. October 30, 2 | 2012-10-30 |
Use of micro-electro-mechanical systems (MEMS) in well treatments
Grant 8,291,975 - Roddy , et al. October 23, 2 | 2012-10-23 |
Sealant compositions and methods of use
Grant 8,276,666 - Ravi , et al. October 2, 2 | 2012-10-02 |
Methods of integrating analysis, auto-sealing, and swellable-packer elements for a reliable annular seal
Grant 8,240,377 - Kulakofsky , et al. August 14, 2 | 2012-08-14 |
Use of micro-electro-mechanical systems (MEMS) in well treatments
Grant 8,162,050 - Roddy , et al. April 24, 2 | 2012-04-24 |
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments
App 20110199228 - RODDY; Craig W. ; et al. | 2011-08-18 |
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments
App 20110192593 - RODDY; Craig W. ; et al. | 2011-08-11 |
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments
App 20110192598 - RODDY; Craig W. ; et al. | 2011-08-11 |
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments
App 20110192594 - RODDY; Craig W. ; et al. | 2011-08-11 |
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments
App 20110192592 - RODDY; Craig W. ; et al. | 2011-08-11 |
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments
App 20110192597 - RODDY; Craig W. ; et al. | 2011-08-11 |
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments
App 20110187556 - RODDY; Craig W. ; et al. | 2011-08-04 |
Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments
App 20110186290 - RODDY; Craig W. ; et al. | 2011-08-04 |
Cement Compositions Comprising A High-density Particulate Elastomer And Associated Methods
App 20110077324 - Ravi; Krishna M. ; et al. | 2011-03-31 |
Methods of formulating a cement composition
Grant 7,913,757 - Reddy , et al. March 29, 2 | 2011-03-29 |
Cement compositions comprising a high-density particulate elastomer and associated methods
Grant 7,878,245 - Ravi , et al. February 1, 2 | 2011-02-01 |
Swellable elastomers and associated methods
Grant 7,866,393 - Badalamenti , et al. January 11, 2 | 2011-01-11 |
Swellable Elastomers and Associated Methods
App 20100218949 - Badalamenti; Anthony M. ; et al. | 2010-09-02 |
Variable density fluids and methods of use in subterranean formations
Grant 7,749,942 - Ravi , et al. July 6, 2 | 2010-07-06 |
Swellable elastomers and associated methods
Grant 7,717,180 - Badalamenti , et al. May 18, 2 | 2010-05-18 |
Cement compositions comprising particulate carboxylated elastomers and associated methods
Grant 7,650,940 - Reddy , et al. January 26, 2 | 2010-01-26 |
Cement compositions comprising particulate carboxylated elastomers and associated methods
Grant 7,645,817 - Reddy , et al. January 12, 2 | 2010-01-12 |
Cement compositions containing flexible, compressible beads and methods of cementing in subterranean formations
Grant 7,543,642 - Reddy , et al. June 9, 2 | 2009-06-09 |
Oilwell sealant compositions comprising alkali swellable latex
App 20090137431 - Reddy; B. Raghava ; et al. | 2009-05-28 |
Methods of Integrating Analysis, Auto-Sealing, and Swellable-Packer Elements for a Reliable Annular Seal
App 20090120640 - Kulakofsky; David ; et al. | 2009-05-14 |
Cement Compositions Comprising a High-Density Particulate Elastomer and Associated Methods
App 20090095475 - Ravi; Krishna M. ; et al. | 2009-04-16 |
Compositions comprising melt-processed inorganic fibers and methods of using such compositions
Grant 7,493,968 - Reddy , et al. February 24, 2 | 2009-02-24 |
Variable Density Fluids and Methods of Use in Subterranean Formations
App 20090038855 - Ravi; Krishna M. ; et al. | 2009-02-12 |
Sealant Compositions and Methods of Use
App 20090038801 - Ravi; Krishna M. ; et al. | 2009-02-12 |
Sealant Compositions and Methods of Use
App 20090038800 - Ravi; Krishna M. ; et al. | 2009-02-12 |
Oilwell sealant compositions comprising alkali swellable latex
Grant 7,488,705 - Reddy , et al. February 10, 2 | 2009-02-10 |
Methods of drilling wellbores using variable density fluids comprising coated elastic particles
Grant 7,482,309 - Ravi , et al. January 27, 2 | 2009-01-27 |
Cement compositions with improved mechanical properties and methods of cementing in subterranean formations
Grant 7,441,600 - Brothers , et al. October 28, 2 | 2008-10-28 |
Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations
Grant 7,424,914 - Reddy , et al. September 16, 2 | 2008-09-16 |
Compositions Comprising Melt-Processed Inorganic Fibers and Methods of Using Such Compositions
App 20080103065 - Reddy; B. Raghava ; et al. | 2008-05-01 |
Casing comprising stress-absorbing materials and associated methods of use
Grant 7,337,841 - Ravi March 4, 2 | 2008-03-04 |
Swellable Elastomers and Associated Methods
App 20080017376 - Badalamenti; Anthony M. ; et al. | 2008-01-24 |
Emulsion admixtures for improving cement elasticity
Grant 7,294,194 - Reddy , et al. November 13, 2 | 2007-11-13 |
Methods and compositions for controlling lost circulation in subterranean operations
Grant 7,284,611 - Reddy , et al. October 23, 2 | 2007-10-23 |
Cement compositions with improved mechanical properties and methods of cementing in subterranean formations
Grant 7,282,093 - Brothers , et al. October 16, 2 | 2007-10-16 |
Cement compositions comprising particulate carboxylated elastomers and associated methods
App 20070151730 - Reddy; B. Raghava ; et al. | 2007-07-05 |
Cement compositions comprising particulate carboxylated elastomers and associated methods
App 20070151484 - Reddy; B. Raghava ; et al. | 2007-07-05 |
Methods of formulating a cement composition
App 20070062691 - Reddy; B. Raghava ; et al. | 2007-03-22 |
Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations
App 20070051516 - Reddy; B. Raghava ; et al. | 2007-03-08 |
Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations
Grant 7,178,597 - Reddy , et al. February 20, 2 | 2007-02-20 |
Methods of generating gas in well fluids
Grant 7,156,175 - Reddy , et al. January 2, 2 | 2007-01-02 |
Emulsion admixtures for improving cement elasticity
App 20060272552 - Reddy; B. Raghava ; et al. | 2006-12-07 |
Emulsion admixtures for improving cement elasticity
Grant 7,143,828 - Reddy , et al. December 5, 2 | 2006-12-05 |
Elastomeric admixtures for improving cement elasticity
Grant 7,138,446 - Reddy , et al. November 21, 2 | 2006-11-21 |
Methods for selecting a cementing composition for use
Grant 7,133,778 - Ravi , et al. November 7, 2 | 2006-11-07 |
Compositions comprising melt-processed inorganic fibers and methods of using such compositions
App 20060157244 - Reddy; B. Raghava ; et al. | 2006-07-20 |
Oilwell sealant compositions comprising alkali swellable latex
App 20060122071 - Reddy; B. Raghava ; et al. | 2006-06-08 |
Methods and compositions for controlling lost circulation in subterranean operations
App 20060096759 - Reddy; B. Raghava ; et al. | 2006-05-11 |
Elastomeric admixtures for improving cement elasticity
Grant 7,007,755 - Reddy , et al. March 7, 2 | 2006-03-07 |
Method for enhancing the stability of a water sensitive, reactive subterranean formation
Grant 6,994,164 - Tare , et al. February 7, 2 | 2006-02-07 |
Methods of generating gas in well treating fluids
Grant 6,992,048 - Reddy , et al. January 31, 2 | 2006-01-31 |
Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations
App 20060000611 - Reddy; B. Raghava ; et al. | 2006-01-05 |
Methods for selecting a cementing composition for use
App 20050241829 - Ravi, Krishna M. ; et al. | 2005-11-03 |
Casing comprising stress-absorbing materials and associated methods of use
App 20050211445 - Ravi, Krishna M. | 2005-09-29 |
Methods and compositions for compensating for cement hydration volume reduction
App 20050204960 - Heathman, James F. ; et al. | 2005-09-22 |
Cement compositions with improved mechanical properties and methods of cementing in subterranean formations
App 20050178296 - Brothers, Lance E. ; et al. | 2005-08-18 |
Methods of discovering and correcting subterranean formation integrity problems during drilling
Grant 6,926,081 - Sweatman , et al. August 9, 2 | 2005-08-09 |
Emulsion admixtures for improving cement elasticity
App 20050167106 - Reddy, B. Raghava ; et al. | 2005-08-04 |
Method for selection of cementing composition
Grant 6,922,637 - Ravi , et al. July 26, 2 | 2005-07-26 |
Method for enhancing the stability of a water sensitive, reactive subterranean formation
Grant 6,910,535 - Tare , et al. June 28, 2 | 2005-06-28 |
Methods of generating gas in well treating fluids
App 20050126781 - Reddy, B. Raghava ; et al. | 2005-06-16 |
Variable density fluids and methods of use in subterranean formations
App 20050113262 - Ravi, Krishna M. ; et al. | 2005-05-26 |
Cementing fluid for enhancing the stability of a water sensitive, reactive subterranean formation
App 20050080161 - Tare, Uday A. ; et al. | 2005-04-14 |
Cement compositions containing flexible, compressible beads and methods of cementing in subterranean formations
App 20050061206 - Reddy, B. Raghava ; et al. | 2005-03-24 |
Method for enhancing the stability of a water sensitive, reactive subterranean formation
App 20050039920 - Tare, Uday A. ; et al. | 2005-02-24 |
Elastomeric admixtures for improving cement elasticity
App 20050028981 - Reddy, B. Raghava ; et al. | 2005-02-10 |
Cement composition exhibiting improved resilience/toughness and method for using same
Grant 6,832,651 - Ravi , et al. December 21, 2 | 2004-12-21 |
Methods and compositions for compensating for cement hydration volume reduction
App 20040221990 - Heathman, James F. ; et al. | 2004-11-11 |
Cement compositions with improved mechanical properties and methods of cementing in subterranean formations
App 20040221991 - Brothers, Lance E. ; et al. | 2004-11-11 |
Elastomeric admixtures for improving cement elasticity
App 20040198872 - Reddy, B. Raghava ; et al. | 2004-10-07 |
Cement compositions with improved mechanical properties and methods of cementing in a subterranean formation
App 20040171499 - Ravi, Krishna M. ; et al. | 2004-09-02 |
Methods of generating gas in well treating fluids
App 20040168801 - Reddy, B. Raghava ; et al. | 2004-09-02 |
Methods of generating gas in well fluids
App 20040168830 - Reddy, B. Raghava ; et al. | 2004-09-02 |
Lightweight well cement compositions and methods
Grant 6,776,237 - Dao , et al. August 17, 2 | 2004-08-17 |
Cement compositions containing flexible, compressible beads and methods of cementing in subterranean formations
App 20040144537 - Reddy, B. Raghava ; et al. | 2004-07-29 |
Method for enhancing the stability of a water sensitive, reactive subterranean formation
App 20040094298 - Tare, Uday A. ; et al. | 2004-05-20 |
Method for selection of cementing composition
App 20040083058 - Ravi, Krishna M. ; et al. | 2004-04-29 |
Methods of generating gas in well treating fluids
Grant 6,722,434 - Reddy , et al. April 20, 2 | 2004-04-20 |
Methods of generating gas in well fluids
Grant 6,715,553 - Reddy , et al. April 6, 2 | 2004-04-06 |
Elastomeric admixtures for improving cement elasticity
App 20040055748 - Reddy, B. Raghava ; et al. | 2004-03-25 |
Cement composition exhibiting improved resilience/toughness and method for using same
App 20040040712 - Ravi, Krishna M. ; et al. | 2004-03-04 |
Method for selection of cementing composition
Grant 6,697,738 - Ravi , et al. February 24, 2 | 2004-02-24 |
Methods of generating gas in well treating fluids
App 20030221831 - Reddy, B. Raghava ; et al. | 2003-12-04 |
Methods of generating gas in well fluids
App 20030221832 - Reddy, B. Raghva ; et al. | 2003-12-04 |
Methods of discovering and correcting subterranean formation integrity problems during drilling
App 20030162670 - Sweatman, Ronald E. ; et al. | 2003-08-28 |
Method for selection of cementing composition
App 20030163257 - Ravi, Krishna M. ; et al. | 2003-08-28 |
Lightweight well cement compositions and methods
App 20030150615 - Dao, Bach ; et al. | 2003-08-14 |
Lightweight well cement compositions and methods
Grant 6,562,122 - Dao , et al. May 13, 2 | 2003-05-13 |
Lightweight well cement compositions and methods
App 20030000423 - Vijn, Jan Pieter ; et al. | 2003-01-02 |
Well stabilization tools and methods
Grant 5,823,273 - Ravi , et al. October 20, 1 | 1998-10-20 |
Well completion spacer fluids and methods
Grant 5,789,352 - Carpenter , et al. August 4, 1 | 1998-08-04 |
Drilling fluid and filter cake removal methods and compositions
Grant 5,501,276 - Weaver , et al. March 26, 1 | 1996-03-26 |
| 