The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 21, 2025

Filed:

Sep. 02, 2022
Applicants:

China University of Geosciences, Beijing, Beijing, CN;

Yangtze University, Wuhan, CN;

Inventors:

Fan Zhang, Wuhan, CN;

Yuehui She, Wuhan, CN;

Qing Feng, Wuhan, CN;

Xiaonan Li, Wuhan, CN;

Shengsheng Li, Wuhan, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/582 (2006.01); C09K 8/72 (2006.01); C12N 1/20 (2006.01); C12R 1/125 (2006.01);
U.S. Cl.
CPC ...
C09K 8/582 (2013.01); C09K 8/72 (2013.01); C12N 1/20 (2013.01); C12R 2001/125 (2021.05);
Abstract

Disclosed is a method for reducing pressure and increasing injection by continuous operation system of biological acid acidification and nano coating, specifically including composition and preparation method of biological acidizing agent and nano coating agent. The method for reducing pressure and increasing injection by continuous operation system of biological acid acidification and nano coating of the present disclosure is able to effectively dredge the stratum water flow channel, reduce the water flow resistance, and achieve the effect of high-efficiency pressure reduction and injection increase of the water injection well.


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