Inventor · disambiguated record
Liang Xu
Also filed as: XU LIANG · XU LIANG X · XU LIANG XIN
38 granted patents·6 pending applications·198 citations·filing 2009–2023
96Inventor score
Files withHALLIBURTON ENERGY SERVICES INC20MULTI CHEM GROUP LLC19EVONIK OPERATIONS GMBH2XU LIANG2MCDANIEL ROBERT R1
Top patents by PatentIndex Score
44 records- 0196US9725986B2Multi-functional surfactant complexes for use in subterranean formationsMULTI CHEM GROUP LLC·Filed 2015·Granted Aug 8, 2017·22 cites·13 claims
- 0296US9422470B2Method for selection of surfactants in well stimulationXU LIANG·Filed 2012·Granted Aug 23, 2016·28 cites·12 claims
- 0396US8227026B2Particles for use as proppants or in gravel packs, methods for making and using the sameMCDANIEL ROBERT R·Filed 2009·Granted Jul 24, 2012·56 cites·20 claims
- 0494US10961445B2Tracking production of oil, gas, and water from subterranean formation by adding soluble tracers coated onto solid particulateMULTI CHEM GROUP LLC·Filed 2020·Granted Mar 30, 2021·18 cites·20 claims
- 0593US8240383B2Methods for making and using UV/EB cured precured particles for use as proppantsXU LIANG·Filed 2009·Granted Aug 14, 2012·32 cites·23 claims
- 0691US11326091B2Water-based friction reducing additivesMULTI CHEM GROUP LLC·Filed 2020·Granted May 10, 2022·3 cites·13 claims
- 0790US9969928B2Surfactant formulations and associated methods for reduced and delayed adsorption of the surfactantMULTI CHEM GROUP LLC·Filed 2014·Granted May 15, 2018·7 cites·20 claims
- 0889US10442986B2Determining residual friction reducer concentrations for subterranean treatment fluidsMULTI CHEM GROUP LLC·Filed 2016·Granted Oct 15, 2019·4 cites·20 claims
- 0988US9488586B2Determining treatment fluid composition using a mini-reservoir deviceMULTI CHEM GROUP LLC·Filed 2014·Granted Nov 8, 2016·7 cites·19 claims
- 1085US11466199B1Synergistic enhancement of slickwater fracturing fluidsHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Oct 11, 2022·1 cites·15 claims
- 1184US10640698B2Ethoxylated amines for use in subterranean formationsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted May 5, 2020·3 cites·19 claims
- 1283US11198811B2Multifunctional friction reducersMULTI CHEM GROUP LLC·Filed 2018·Granted Dec 14, 2021·2 cites·8 claims
- 1381US11898086B2Cationic and anionic shale inhibitors and clay stabilizersHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Feb 13, 2024·1 cites·9 claims
- 1481US9920239B2Treatment fluids comprising weakly emulsifying surfactants and associated methodsMULTI CHEM GROUP LLC·Filed 2014·Granted Mar 20, 2018·3 cites·9 claims
- 1579US11479715B2Enhanced friction reducers for water-based fracturing fluidsHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Oct 25, 2022·1 cites·15 claims
- 1675US10767474B2Surfactant selection methods for wetting alteration in subterranean formationsMULTI CHEM GROUP LLC·Filed 2014·Granted Sep 8, 2020·7 cites·8 claims
- 1775US10241100B2Method for determining residual surfactant concentrations in produced waterHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Mar 26, 2019·2 cites·11 claims
- 1874US11802235B2Self propping surfactant for well stimulationHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Oct 31, 2023·0 cites·18 claims
- 1969US2023035268A1Nanoemulsions for use in subterranean fracturing treatmentsHALLIBURTON ENERGY SERVICES INC·Filed 2022·Application pending·0 cites
- 2068US10590333B2Cationic multiple quaternary ammonium-based surfactants for enhancing production in subterranean formationsMULTI CHEM GROUP LLC·Filed 2014·Granted Mar 17, 2020·1 cites·9 claims
- 2168US2022380663A1Enhancement Of Friction Reducer Performance In Hydraulic FracturingHALLIBURTON ENERGY SERVICES INC·Filed 2022·Application pending·0 cites
- 2264US11124699B2Self propping surfactant for well stimulationHALLIBURTON ENERGY SERVICES INC·Filed 2017·Granted Sep 21, 2021·0 cites·20 claims
- 2361US9970265B2Multi-functional surfactant complexes for use in subterranean formationsMULTI CHEM GROUP LLC·Filed 2017·Granted May 15, 2018·0 cites·19 claims
- 2460US11613496B2Removal of sand impurities in wet processingHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Mar 28, 2023·0 cites·20 claims
- 2559US11999901B2Multifunctional wax dispersant for subterranean chemical applicationsEVONIK OPERATIONS GMBH·Filed 2023·Granted Jun 4, 2024·0 cites·20 claims
- 2657US11447691B1Methods of making and using a wellbore servicing fluid for iron mitigationHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Sep 20, 2022·0 cites·20 claims
- 2757US10435620B2Treatment fluids comprising weakly emulsifying surfactants and associated methodsMULTI CHEM GROUP LLC·Filed 2018·Granted Oct 8, 2019·0 cites·5 claims
- 2857US10066157B2Injecting polyelectrolyte based sacrificial agents for use in unconventional formationsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Sep 4, 2018·0 cites·16 claims
- 2956US12454641B2Multifunctional wax dispersant for subterranean chemical applicationsEVONIK OPERATIONS GMBH·Filed 2023·Granted Oct 28, 2025·0 cites·20 claims
- 3056US2019242229A1Nanoemulsions for use in subterranean fracturing treatmentsMULTI CHEM GROUP LLC·Filed 2016·Application pending·0 cites
- 3155US10995262B2Ethoxylated amines for use in subterranean formationsMULTI CHEM GROUP LLC·Filed 2020·Granted May 4, 2021·0 cites·20 claims
- 3255US2021371729A1Enhancement Of Friction Reducer Performance In Hydraulic FracturingMULTI CHEM GROUP LLC·Filed 2020·Application pending·0 cites
- 3353US11441067B2Screening method for friction reducer precipitationHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Sep 13, 2022·0 cites·17 claims
- 3452US11421149B2Alkyl polyglycoside surfactants for use in subterranean formationsHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Aug 23, 2022·0 cites·17 claims
- 3552US11370959B2Use of liquid natural gas for well treatment operationsHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted Jun 28, 2022·0 cites·20 claims
- 3652US11041114B2Methods and treatment fluids for microfracture creation and microproppant delivery in subterranean formationsMULTI CHEM GROUP LLC·Filed 2017·Granted Jun 22, 2021·0 cites·20 claims
- 3751US11505735B2Friction reducing additives including nanoparticlesHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted Nov 22, 2022·0 cites·18 claims
- 3851US11435330B2Mitigation of friction reducer precipitationHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Sep 6, 2022·0 cites·18 claims
- 3951US9982185B2Methods and systems for preparing surfactant polyelectrolyte complexes for use in subterranean formationsMULTI CHEM GROUP LLC·Filed 2014·Granted May 29, 2018·0 cites·20 claims
- 4051US2021017443A1Methods of using treatment fluids including weakly emulsifying surfactantsMULTI CHEM GROUP LLC·Filed 2019·Application pending·0 cites
- 4145US11313212B1Pre-hydration of friction reducers for wellbore fluidsHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Apr 26, 2022·0 cites·18 claims
- 4244US11066596B2Buffered friction reducer for subterranean operationsMULTI CHEM GROUP LLC·Filed 2016·Granted Jul 20, 2021·0 cites·14 claims
- 4344US10696894B2Methods of treating subterranean formations including sequential use of at least two surfactantsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Jun 30, 2020·0 cites·5 claims
- 4439US2018282610A1Alkyl polyglycoside surfactants for use in subterranean formationsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →