loadpatents
name:-0.0060739517211914
name:-0.0063199996948242
name:-0.0044269561767578
Qu; Liangwei Patent Filings

Qu; Liangwei

Patent Applications and Registrations

Patent applications and USPTO patent grants for Qu; Liangwei.The latest application filed is for "acrylate-based sulfur scavenging agents for use in oilfield operations".

Company Profile
10.19.20
  • Qu; Liangwei - Spring TX
  • Qu; Liangwei - The Woodlands TX
  • Qu; Liangwei - Lake Jackson 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
PatentDate
Acrylate-based sulfur scavenging agents for use in oilfield operations
Grant 11,225,604 - Shi , et al. January 18, 2
2022-01-18
Synergistic sulfide scavenging additives for use in oilfield operations
Grant 11,078,403 - Shi , et al. August 3, 2
2021-08-03
Acrylate-based Sulfur Scavenging Agents For Use In Oilfield Operations
App 20200239772 - Shi; Liu ;   et al.
2020-07-30
Compositions, systems, and methods for removing iron sulfide scale from oilfield components
Grant 10,668,510 - Peng , et al.
2020-06-02
Synergistic Sulfide Scavenging Additives For Use In Oilfield Operations
App 20200115617 - Shi; Liu ;   et al.
2020-04-16
Acrylate-based sulfur scavenging agents for use in oilfield operations
Grant 10,597,582 - Shi , et al.
2020-03-24
Cationic multiple quaternary ammonium-based surfactants for enhancing production in subterranean formations
Grant 10,590,333 - He , et al.
2020-03-17
Compositions, systems, and methods for removing iron sulfide scale from oilfield components using methyl acrylate
Grant 10,584,275 - Peng , et al.
2020-03-10
Synergistic sulfide scavenging additives for use in oilfield operations
Grant 10,550,309 - Shi , et al. Fe
2020-02-04
Tagged corrosion inhibitors for use in subterranean operations
Grant 10,526,873 - Qu , et al. J
2020-01-07
Multi-tail hydrate inhibitors
Grant 10,364,385 - Zhao , et al.
2019-07-30
Multiple hydrophilic head corrosion inhibitors
Grant 10,246,628 - Qu , et al.
2019-04-02
Synergistic Sulfide Scavenging Additives For Use In Oilfield Operations
App 20180346794 - Shi; Liu ;   et al.
2018-12-06
Multi-tail Hydrate Inhibitors
App 20180334610 - Zhao; Funian ;   et al.
2018-11-22
Cationic surfactants for scale inhibitor squeeze applications
Grant 10,106,721 - Yue , et al. October 23, 2
2018-10-23
Multi-tail hydrate inhibitors
Grant 10,059,871 - Zhao , et al. August 28, 2
2018-08-28
Compositions, Systems, And Methods For Removing Iron Sulfide Scale From Oilfield Components
App 20180169714 - Peng; Yang ;   et al.
2018-06-21
Compositions, systems, and methods for removing iron sulfide scale from oilfield components
Grant 9,919,348 - Peng , et al. March 20, 2
2018-03-20
Compositions, Systems, And Methods For Removing Iron Sulfide Scale From Oilfield Components Using Methyl Acrylate
App 20180072940 - Peng; Yang ;   et al.
2018-03-15
Multiple hydrophilic head hydrate inhibitors
Grant 9,902,893 - Qu , et al. February 27, 2
2018-02-27
Acrylonitrile-based sulfur scavenging agents and methods of use in oilfield operations
Grant 9,896,616 - Shi , et al. February 20, 2
2018-02-20
Multiple Hydrophilic Head Hydrate Inhibitors
App 20180010036 - Qu; Liangwei ;   et al.
2018-01-11
Cationic Surfactants For Scale Inhibitor Squeeze Applications
App 20170342309 - Yue; Zhiwei ;   et al.
2017-11-30
Acrylate-based Sulfur Scavenging Agents For Use In Oilfield Operations
App 20170335188 - Shi; Liu ;   et al.
2017-11-23
Cationic Multiple Quaternary Ammonium-based Surfactants For Enhancing Production In Subterranean Formations
App 20170327732 - He; Kai ;   et al.
2017-11-16
Multiple hydrophilic head hydrate inhibitors
Grant 9,796,906 - Qu , et al. October 24, 2
2017-10-24
Multi-tail Hydrate Inhibitors
App 20170226403 - Zhao; Funian ;   et al.
2017-08-10
Multiple Hydrophilic Head Corrosion Inhibitors
App 20170190952 - Qu; Liangwei ;   et al.
2017-07-06
Multi-tail hydrate inhibitors
Grant 9,676,991 - Zhao , et al. June 13, 2
2017-06-13
Tagged Corrosion Inhibitors For Use In Subterranean Operations
App 20170122078 - QU; Liangwei ;   et al.
2017-05-04
Multiple hydrophilic head corrosion inhibitors
Grant 9,637,679 - Qu , et al. May 2, 2
2017-05-02
Compositions, Systems, And Methods For Removing Iron Sulfide Scale From Oilfield Components
App 20170101574 - Peng; Yang ;   et al.
2017-04-13
Emulsion breakers including polyester functionalities
Grant 9,587,155 - Qu , et al. March 7, 2
2017-03-07
Acrylonitrile-based Sulfur Scavenging Agents For Use In Oilfield Operations
App 20160355724 - Shi; Liu ;   et al.
2016-12-08
Multiple Hydrophilic Head Hydrate Inhibitors
App 20160264843 - Qu; Liangwei ;   et al.
2016-09-15
Multiple Hydrophilic Head Corrosion Inhibitors
App 20160215198 - Qu; Liangwei ;   et al.
2016-07-28
Tagged Paraffin Inhibitors And Asphaltene Inhibitors For Use In Subterranean Operations
App 20160168952 - QU; LIANGWEI ;   et al.
2016-06-16
Multi-tail Hydrate Inhibitors
App 20160102240 - Zhao; Funian ;   et al.
2016-04-14
Emulsion Breakers Including Polyester Functionalities
App 20130324446 - Qu; Liangwei ;   et al.
2013-12-05

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