Inventor · disambiguated record
Yiyan Chen
Also filed as: CHEN YIYAN
71 granted patents·29 pending applications·1,010 citations·filing 2003–2025
99Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP46CHEN YIYAN12MI LLC9SHENZHEN MUNICIPAL DESIGN & RES INST CO LTD9CAMERON INT CORP4
Top patents by PatentIndex Score
100 records- 0197US9080440B2Proppant pillar placement in a fracture with high solid content fluidPANGA MOHAN K R·Filed 2011·Granted Jul 14, 2015·43 cites·27 claims
- 0297US7857051B2Internal breaker for oilfield treatmentsSCHLUMBERGER TECHNOLOGY CORP·Filed 2010·Granted Dec 28, 2010·50 cites·26 claims
- 0397US7398826B2Well treatment with dissolvable polymerSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Jul 15, 2008·78 cites·23 claims
- 0496US7677311B2Internal breaker for oilfield treatmentsSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Mar 16, 2010·58 cites·25 claims
- 0595US7565929B2Degradable material assisted diversionSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Jul 28, 2009·123 cites·25 claims
- 0695US7320952B2Additive for viscoelastic fluidSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Jan 22, 2008·23 cites·6 claims
- 0795US6883608B2Gravel packing methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Apr 26, 2005·141 cites·23 claims
- 0894US9388335B2Pickering emulsion treatment fluidSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Jul 12, 2016·14 cites·14 claims
- 0994US8044000B2Polymer delivery in well treatment applicationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Oct 25, 2011·24 cites·21 claims
- 1094US7387987B2Rheology modifiersSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Jun 17, 2008·35 cites·32 claims
- 1193US9040468B2Hydrolyzable particle compositions, treatment fluids and methodsLOISEAU ANTHONY·Filed 2011·Granted May 26, 2015·15 cites·11 claims
- 1293US8607870B2Methods to create high conductivity fractures that connect hydraulic fracture networks in a wellGU HONGREN·Filed 2010·Granted Dec 17, 2013·31 cites·29 claims
- 1393US7287590B1Internal breaker for oilfield fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Oct 30, 2007·23 cites·18 claims
- 1491US8550161B2Shear-activated viscoelastic surfactant fluid and methodCHEN YIYAN·Filed 2012·Granted Oct 8, 2013·9 cites·32 claims
- 1590US7678745B2Viscosity reductionSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Mar 16, 2010·18 cites·33 claims
- 1690US7345012B2Foamed viscoelastic surfactantsSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Mar 18, 2008·18 cites·30 claims
- 1789US7387986B2Viscoelastic surfactant rheology modificationSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Jun 17, 2008·17 cites·30 claims
- 1888US9856614B1Aseismic combined pierSHENZHEN MUNICIPAL DESIGN & RES INST CO LTD·Filed 2017·Granted Jan 2, 2018·14 cites·9 claims
- 1987US9873995B1Flexible pierSHENZHEN WISE-TECH ENG CONSULTING CO LTD·Filed 2017·Granted Jan 23, 2018·19 cites·10 claims
- 2087US8141640B2System, method and apparatus for enhancing wellbore treatment fluid flexibilityABAD CARLOS·Filed 2009·Granted Mar 27, 2012·10 cites·26 claims
- 2187US7803744B2Carbon dioxide foamed fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Sep 28, 2010·12 cites·4 claims
- 2285US8505628B2High solids content slurries, systems and methodsPANGA MOHAN·Filed 2010·Granted Aug 13, 2013·13 cites·45 claims
- 2385US8397816B2System, method and apparatus for enhancing wellbore treatment fluid flexibilityABAD CARLOS·Filed 2012·Granted Mar 19, 2013·4 cites·9 claims
- 2485US7507693B2Viscoelastic surfactant fluid systems comprising an aromatic sulfonate and methods of using sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Mar 24, 2009·10 cites·17 claims
- 2585US7148185B2Viscoelastic surfactant fluids stable at high brine concentration and methods of using sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Dec 12, 2006·36 cites·7 claims
- 2684US11066591B2Effective pour point depressants for amidoamine emulsifiersMI LLC·Filed 2017·Granted Jul 20, 2021·2 cites·17 claims
- 2784US7879770B2Oxidative internal breaker for viscoelastic surfactant fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Feb 1, 2011·10 cites·19 claims
- 2884US7378378B2Rheology enhancersSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted May 27, 2008·11 cites·28 claims
- 2983US8322410B2System, method and apparatus for enhancing wellbore treatment fluid flexibilityABAD CARLOS·Filed 2012·Granted Dec 4, 2012·3 cites·18 claims
- 3082US9034802B2Friction reduction fluidsAHRENST ALEX·Filed 2007·Granted May 19, 2015·18 cites·35 claims
- 3181US7291651B2Carbon dioxide foamed fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Nov 6, 2007·22 cites·11 claims
- 3280US11952324B2Amidoamine synthesis, methods to track the reaction processMI LLC·Filed 2018·Granted Apr 9, 2024·1 cites·28 claims
- 3380US7341980B2Viscoelastic surfactant rheology modificationSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Mar 11, 2008·32 cites·13 claims
- 3479US9133387B2Methods to improve stability of high solid content fluidLOISEAU ANTHONY·Filed 2011·Granted Sep 15, 2015·4 cites·30 claims
- 3578US11643898B2Systems and methods for monitoring and/or predicting sagging tendencies of fluidsMI LLC·Filed 2019·Granted May 9, 2023·2 cites·6 claims
- 3678US8916506B2High solids content slurries, systems and methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Dec 23, 2014·6 cites·17 claims
- 3776US8895481B2Viscoelastic surfactant acid treatmentCHEN YIYAN·Filed 2009·Granted Nov 25, 2014·8 cites·21 claims
- 3876US7402549B2Viscoelastic surfactant rheology modificationSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Jul 22, 2008·17 cites·28 claims
- 3975US9334438B2Polymer delivery in well treatment applicationsSULLIVAN PHILIP F·Filed 2011·Granted May 10, 2016·2 cites·20 claims
- 4074US7786050B2Well treatment with ionic polymer gelsSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Aug 31, 2010·4 cites·25 claims
- 4174US7431087B2Internal breaker for oilfield fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Oct 7, 2008·10 cites·17 claims
- 4271US12478918B1Systems for removing carbon dioxide from a carbon dioxide containing gas, and related methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Granted Nov 25, 2025·0 cites·16 claims
- 4369US12037540B2Coupling agents for use in corrosion inhibiting compositionsCAMERON INT CORP·Filed 2020·Granted Jul 16, 2024·0 cites·15 claims
- 4468US12024675B2Corrosion inhibitorCAMERON INT CORP·Filed 2020·Granted Jul 2, 2024·0 cites·9 claims
- 4568US8240379B2Shear-activated viscoelastic surfactant fluid and methodCHEN YIYAN·Filed 2009·Granted Aug 14, 2012·2 cites·33 claims
- 4667US11414586B2Branched acid emulsifier compositions and methods of useMI LLC·Filed 2020·Granted Aug 16, 2022·0 cites·8 claims
- 4767US10351762B2Hydrolyzable particle compositions, treatment fluids and methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted Jul 16, 2019·0 cites·11 claims
- 4867US2025375729A1Systems for removing carbon dioxide from a carbon dioxide containing gas, and related methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2025·Application pending·0 cites
- 4966US2022135867A1Crosslinking fluids, methods for delaying gel crosslinking of said fluids, and applications of said fluidsCAMERON INT CORP·Filed 2021·Application pending·0 cites
- 5065US2017158939A1Polymer delivery in well treatment applicationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Application pending·0 cites
Showing the top 50 of 100 patent records by PatentIndex Score.
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