Inventor · disambiguated record
Erzhen Wang
Also filed as: WANG ERZHEN
4 granted patents·2 pending applications·0 citations·filing 2017–2019
53Inventor score
Files withPETROCHINA CO LTD6
Top patents by PatentIndex Score
6 records- 0153US10975294B2Injection stimulation agent for water injection well and the preparation method and application thereofPETROCHINA CO LTD·Filed 2018·Granted Apr 13, 2021·0 cites·7 claims
- 0249US10961442B2On-line diverting acid for continuous injection into water injection wells and a preparation method thereofPETROCHINA CO LTD·Filed 2019·Granted Mar 30, 2021·0 cites·10 claims
- 0349US10800963B2Pressure-reducing and injection-enhancing anti scaling agent for low-permeability water-injection well and preparation method thereofPETROCHINA CO LTD·Filed 2017·Granted Oct 13, 2020·0 cites·15 claims
- 0448US10876043B2Chelating agent for reservoir acidification and stimulating injection and its preparation method and applicationPETROCHINA CO LTD·Filed 2019·Granted Dec 29, 2020·0 cites·11 claims
- 0543US2019276731A1Diverting Agent For Diversion Acidizing In Water Injection Wells And A Preparation Method ThereofPETROCHINA CO LTD·Filed 2019·Application pending·0 cites
- 0638US2018187069A1Chelating agent and preparation method and use thereofPETROCHINA CO LTD·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →