Inventor · disambiguated record
Krishna M. Ravi
Also filed as: RAVI KRISHNA · RAVI KRISHNA M
106 granted patents·15 pending applications·3,443 citations·filing 1994–2020
99Inventor score
Files withHALLIBURTON ENERGY SERVICES INC54HALLIBURTON ENERGY SERV INC38RODDY CRAIG W7RAVI KRISHNA M5HALLIBURTON CO4
Top patents by PatentIndex Score
121 records- 0199US6722434B2Methods of generating gas in well treating fluidsHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Apr 20, 2004·231 cites·32 claims
- 0298US10465104B2Lime-based cement compositionHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Nov 5, 2019·51 cites·16 claims
- 0398US10059870B2Acid-soluble cement compositionHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Aug 28, 2018·57 cites·18 claims
- 0498US8316936B2Use of micro-electro-mechanical systems (MEMS) in well treatmentsRODDY CRAIG W·Filed 2011·Granted Nov 27, 2012·256 cites·19 claims
- 0598US8297353B2Use of micro-electro-mechanical systems (MEMS) in well treatmentsRODDY CRAIG W·Filed 2011·Granted Oct 30, 2012·45 cites·29 claims
- 0698US8162050B2Use of micro-electro-mechanical systems (MEMS) in well treatmentsRODDY CRAIG W·Filed 2011·Granted Apr 24, 2012·129 cites·24 claims
- 0798US6776237B2Lightweight well cement compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Aug 17, 2004·148 cites·44 claims
- 0897US9822631B2Monitoring downhole parameters using MEMSHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Nov 21, 2017·22 cites·20 claims
- 0997US8383558B2Oilwell sealant compositions comprising alkali swellable latexHALLIBURTON ENERGY SERV INC·Filed 2009·Granted Feb 26, 2013·56 cites·21 claims
- 1097US8297352B2Use of micro-electro-mechanical systems (MEMS) in well treatmentsRODDY CRAIG W·Filed 2011·Granted Oct 30, 2012·38 cites·27 claims
- 1197US8291975B2Use of micro-electro-mechanical systems (MEMS) in well treatmentsRODDY CRAIG W·Filed 2011·Granted Oct 23, 2012·49 cites·27 claims
- 1297US7493968B2Compositions comprising melt-processed inorganic fibers and methods of using such compositionsHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Feb 24, 2009·39 cites·20 claims
- 1397US7488705B2Oilwell sealant compositions comprising alkali swellable latexHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Feb 10, 2009·114 cites·64 claims
- 1497US7284611B2Methods and compositions for controlling lost circulation in subterranean operationsHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Oct 23, 2007·174 cites·53 claims
- 1597US6992048B2Methods of generating gas in well treating fluidsHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Jan 31, 2006·71 cites·28 claims
- 1697US6832651B2Cement composition exhibiting improved resilience/toughness and method for using sameHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Dec 21, 2004·95 cites·25 claims
- 1797US6715553B2Methods of generating gas in well fluidsHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Apr 6, 2004·163 cites·20 claims
- 1897US6562122B2Lightweight well cement compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 2002·Granted May 13, 2003·159 cites·20 claims
- 1996US8685903B2Lost circulation compositions and associated methodsRAVI KRISHNA·Filed 2011·Granted Apr 1, 2014·37 cites·20 claims
- 2096US8302686B2Use of micro-electro-mechanical systems (MEMS) in well treatmentsRODDY CRAIG W·Filed 2011·Granted Nov 6, 2012·43 cites·22 claims
- 2196US7866393B2Swellable elastomers and associated methodsHALLIBURTON ENERGY SERV INC·Filed 2010·Granted Jan 11, 2011·27 cites·7 claims
- 2296US7717180B2Swellable elastomers and associated methodsHALLIBURTON ENERGY SERV INC·Filed 2007·Granted May 18, 2010·47 cites·15 claims
- 2396US7650940B2Cement compositions comprising particulate carboxylated elastomers and associated methodsHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Jan 26, 2010·28 cites·22 claims
- 2496US7294194B2Emulsion admixtures for improving cement elasticityHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Nov 13, 2007·37 cites·43 claims
- 2595US7913757B2Methods of formulating a cement compositionHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Mar 29, 2011·26 cites·28 claims
- 2695US7007755B2Elastomeric admixtures for improving cement elasticityHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Mar 7, 2006·52 cites·49 claims
- 2794US9494032B2Methods and apparatus for evaluating downhole conditions with RFID MEMS sensorsHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Nov 15, 2016·41 cites·15 claims
- 2894US8202824B2Variable density treatment fluidsREDDY B RAGHAVA·Filed 2008·Granted Jun 19, 2012·16 cites·17 claims
- 2994US7482309B2Methods of drilling wellbores using variable density fluids comprising coated elastic particlesHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Jan 27, 2009·78 cites·49 claims
- 3094US7143828B2Emulsion admixtures for improving cement elasticityHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Dec 5, 2006·44 cites·51 claims
- 3194US7133778B2Methods for selecting a cementing composition for useHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Nov 7, 2006·54 cites·27 claims
- 3294US5789352AWell completion spacer fluids and methodsHALLIBURTON CO·Filed 1996·Granted Aug 4, 1998·137 cites·22 claims
- 3394US5501276ADrilling fluid and filter cake removal methods and compositionsHALLIBURTON CO·Filed 1994·Granted Mar 26, 1996·135 cites·16 claims
- 3493US10358914B2Methods and systems for detecting RFID tags in a borehole environmentHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Jul 23, 2019·21 cites·27 claims
- 3593US9394785B2Methods and apparatus for evaluating downhole conditions through RFID sensingHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Jul 19, 2016·18 cites·23 claims
- 3692US10928540B2Systems and methods for characterizing materials external of a casingHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Feb 23, 2021·6 cites·22 claims
- 3792US10060218B2Methods for formulating a cement slurry for use in a subterranean salt formationHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted Aug 28, 2018·5 cites·20 claims
- 3892US9879519B2Methods and apparatus for evaluating downhole conditions through fluid sensingHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Jan 30, 2018·16 cites·21 claims
- 3992US8627888B2Settable compositions containing metakaolin having reduced portland cement contentSANTRA ASHOK K·Filed 2011·Granted Jan 14, 2014·15 cites·20 claims
- 4092US7138446B2Elastomeric admixtures for improving cement elasticityHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Nov 21, 2006·48 cites·38 claims
- 4189US10400544B2Cement plug tracking with fiber opticsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Sep 3, 2019·6 cites·19 claims
- 4289US9822639B2Methods for formulating a cement slurry for use in a subterranean salt formation using geometric modelingHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Nov 21, 2017·5 cites·20 claims
- 4389US9394756B2Timeline from slumber to collection of RFID tags in a well environmentHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Jul 19, 2016·11 cites·25 claims
- 4489US8741818B2Lost circulation compositions and associated methodsRAVI KRISHNA·Filed 2012·Granted Jun 3, 2014·8 cites·27 claims
- 4589US7749942B2Variable density fluids and methods of use in subterranean formationsHALLIBURTON ENERGY SERV INC·Filed 2008·Granted Jul 6, 2010·16 cites·20 claims
- 4688US11566487B2Systems and methods for sealing casing to a wellbore via light activationHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Jan 31, 2023·2 cites·18 claims
- 4788US10202536B2Overcoming the retardation of cement hydration from dispersing agents used in suspension of additivesHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Feb 12, 2019·6 cites·20 claims
- 4888US8240377B2Methods of integrating analysis, auto-sealing, and swellable-packer elements for a reliable annular sealKULAKOFSKY DAVID S·Filed 2007·Granted Aug 14, 2012·25 cites·16 claims
- 4988US7543642B2Cement compositions containing flexible, compressible beads and methods of cementing in subterranean formationsHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Jun 9, 2009·36 cites·19 claims
- 5088US7424914B2Cement compositions comprising high aspect ratio materials and methods of use in subterranean formationsHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Sep 16, 2008·12 cites·11 claims
Showing the top 50 of 121 patent records by PatentIndex Score.
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