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.
Patent No.:
Date of Patent:
Oct. 08, 2024
Filed:
Dec. 21, 2023
China University of Petroleum (East China), Qingdao, CN;
Jintang Wang, Qingdao, CN;
Bo Liao, Qingdao, CN;
Xiaohui Sun, Qingdao, CN;
Jiaqi Xu, Qingdao, CN;
Yingrui Bai, Qingdao, CN;
Jian Li, Qingdao, CN;
Xianbin Huang, Qingdao, CN;
Jiafeng Jin, Qingdao, CN;
Meichun Li, Qingdao, CN;
Shenglong Shi, Qingdao, CN;
Kaihe Lv, Qingdao, CN;
Jingping Liu, Qingdao, CN;
Jinsheng Sun, Qingdao, CN;
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Qingdao, CN;
Abstract
Disclosed is a bio-enzyme degradable temporary plugging material and a preparation method and application thereof in the technical field of natural gas hydrate drilling and production; the preparation method of the bio-enzyme degradable temporary plugging material includes the following steps: mixing the ceramsite with an aqueous solution of 3-aminopropyl trimethoxysilane before a stirring reaction and drying to obtain modified ceramsite; and fully dispersing the modified ceramsite, ethyl cellulose, and epoxy resin in dichloromethane to obtain an oil phase; adding the oil phase into a gelatin aqueous solution and mixing uniformly; after a stirring reaction, evaporating an organic solvent, filtering, washing, and drying, to obtain the bio-enzyme degradable temporary plugging material.