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:
Apr. 09, 2024
Filed:
Jun. 27, 2023
China University of Petroleum (East China), Qingdao, CN;
Shandong Pengbo Safety and Environmental Protection Service Co., Ltd., Yantai, CN;
Jianbo Zhang, Qingdao, CN;
Zhiyuan Wang, Qingdao, CN;
Yuting Wang, Qingdao, CN;
Baojiang Sun, Qingdao, CN;
Jie Zhong, Qingdao, CN;
Jihao Pei, Qingdao, CN;
Nan Ma, Qingdao, CN;
Xueqi Liu, Qingdao, CN;
Junjie Hu, Qingdao, CN;
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Qingdao, CN;
SHANDONG PENGBO SAFETY AND ENVIRONMENTAL PROTECTION SERVICE CO., LTD., Yantai, CN;
Abstract
A high-efficiency yield-increasing exploitation method for natural gas hydrates includes steps of drilling of natural gas hydrate reservoirs along horizontal wells, seepage increasing by fracturing for fracture forming and stability improvement by grouting in the natural gas hydrate reservoirs, and yield improvement by combined exploitation of depressurization of the horizontal wells and heat injection; according to the present invention, drilling time is shortened by rapid drilling along the horizontal wells, the permeability of the reservoirs can be effectively improved by fracturing for fracture forming, the stability of the reservoirs can be improved by injecting foam cement slurry into the reservoirs, and the yield of the natural gas hydrates can be improved by the combined exploitation method of depressurization of the horizontal wells and heat injection.