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name:-0.015780210494995
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Wang; Erzhen Patent Filings

Wang; Erzhen

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wang; Erzhen.The latest application filed is for "chelating agent for reservoir acidification and stimulating injection and its preparation method and application".

Company Profile
6.4.6
  • Wang; Erzhen - Beijing CN
  • Wang; Erzhen - Beijing City CN
*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
Injection stimulation agent for water injection well and the preparation method and application thereof
Grant 10,975,294 - Mu , et al. April 13, 2
2021-04-13
On-line diverting acid for continuous injection into water injection wells and a preparation method thereof
Grant 10,961,442 - Mu , et al. March 30, 2
2021-03-30
Chelating agent for reservoir acidification and stimulating injection and its preparation method and application
Grant 10,876,043 - Mu , et al. December 29, 2
2020-12-29
Pressure-reducing and injection-enhancing anti scaling agent for low-permeability water-injection well and preparation method thereof
Grant 10,800,963 - Sui , et al. October 13, 2
2020-10-13
Chelating Agent For Reservoir Acidification And Stimulating Injection And Its Preparation Method And Application
App 20190330519 - MU; Lijun ;   et al.
2019-10-31
Injection Stimulation Agent For Water Injection Well And The Preparation Method And Application Thereof
App 20190316031 - Mu; Lijun ;   et al.
2019-10-17
Diverting Agent For Diversion Acidizing In Water Injection Wells And A Preparation Method Thereof
App 20190276731 - Mu; Lijun ;   et al.
2019-09-12
On-Line Diverting Acid For Continuous Injection Into Water Injection Wells And A Preparation Method Thereof
App 20190276730 - Mu; Lijun ;   et al.
2019-09-12
Pressure-reducing And Injection-enhancing Anti-scaling Agent For Low-permeability Water-injection Well And Preparation Method Thereof
App 20180187067 - SUI; Lei ;   et al.
2018-07-05
Chelating Agent And Preparation Method And Use Thereof
App 20180187069 - Deng; Zhiying ;   et al.
2018-07-05

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