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:
May. 31, 2022

Filed:

Oct. 19, 2021
Applicant:

Southwest Petroleum University, Chengdu, CN;

Inventors:

Yang Bai, Chengdu, CN;

Lingfeng Wu, Chengdu, CN;

Pingya Luo, Chengdu, CN;

Wenzhe Li, Chengdu, CN;

Feng Dai, Chengdu, CN;

Gang Xie, Chengdu, CN;

Haibo Liang, Chengdu, CN;

Kesheng Rong, Chengdu, CN;

Jiading Deng, Chengdu, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/32 (2006.01); C09K 8/03 (2006.01); C09K 8/05 (2006.01); C09K 8/26 (2006.01);
U.S. Cl.
CPC ...
C09K 8/032 (2013.01); C09K 8/05 (2013.01); C09K 8/265 (2013.01); C09K 2208/08 (2013.01); C09K 2208/14 (2013.01);
Abstract

A fiber silica composite microsphere for a shale stratum comprises a hollow silica sphere and fibers, and the fibers are partially coated on an outer surface of the hollow silica sphere and partially embedded into an interior of the hollow silica sphere. The hollow silica sphere has an outer diameter of 1-5 μm and an inner diameter of 0.8-4.7 μm; the fibers have a length of 5-10 μm and a width of 1-3 μm.


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