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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 |
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 |
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 |
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 |
Multi-tail Hydrate Inhibitors
App 20160102240 - Zhao; Funian ; et al. | 2016-04-14 |
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