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:
Nov. 10, 2020
Filed:
Oct. 14, 2019
China University of Petroleum (East China), Qingdao, CN;
Jian Hou, Qingdao, CN;
Ermeng Zhao, Qingdao, CN;
Yongge Liu, Qingdao, CN;
Kang Zhou, Qingdao, CN;
Bei Wei, Qingdao, CN;
Yunkai Ji, Qingdao, CN;
Nu Lu, Qingdao, CN;
Yajie Bai, Qingdao, CN;
Wenbin Liu, Qingdao, CN;
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Qingdao, CN;
Abstract
A method for improving the gas recovery of a natural gas hydrate reservoir by using artificial impermeable layers is described. Artificial impermeable layers are formed by injecting cement slurry into the permeable overburden and underburden layers. When depressurization exploitation is performed, a large amount of seawater can be effectively blocked from entering a hydrate layer, and a production pressure difference between the hydrate layer and the production well is effectively increased, so that a hydrate decomposition rate and the gas recovery are improved.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile