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Erzhen Wang

This inventor holds 4 USPTO granted patents. Top assignee: Petrochina Company Limited. Active years: 2020-2021.

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 11.5

ph-index = 1

Company Filing History:

Petrochina Company Limited

Years Active: 2020-2021

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10975294 - Injection stimulation agent for water injection well and the preparation method and application thereof (2021-04-13),

2. 10961442 - On-line diverting acid for continuous injection into water injection wells and a preparation method thereof (2021-03-30),

3. 10876043 - Chelating agent for reservoir acidification and stimulating injection and its preparation method and application (2020-12-29),

4. 10800963 - Pressure-reducing and injection-enhancing anti scaling agent for low-permeability water-injection well and preparation method thereof (2020-10-13),

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