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:
Jun. 07, 2022
Filed:
Feb. 05, 2021
Yangtze University, Jingzhou, CN;
Weichu Yu, Jingzhou, CN;
Ying Zhang, Jingzhou, CN;
Fei Ding, Qingdao, CN;
Lei Zhang, Wuhan, CN;
Jianglu Jing, Karamay, CN;
Aibin Wu, Jingzhou, CN;
Wenming Shu, Jingzhou, CN;
Zhengdong Lei, Beijing, CN;
Huan Yang, Jingzhou, CN;
Pingtian Fan, Yanan, CN;
Dongkui Zhou, Jingzhou, CN;
Hui Zhao, Wuhan, CN;
Wenjie Xia, Tianjin, CN;
Chaoyi She, Chengdu, CN;
Shuaishuai Li, Karamay, CN;
Zhenhu Lv, Karamay, CN;
YANGTZE UNIVERSITY, Jingzhou, CN;
Abstract
An enhanced oil recovery method includes: screening out implementation well that meet the requirements of a preset standard; selecting the target interval that can be used for enhanced oil recovery in the implementation well; obtaining the reservoir parameters and perforation parameters of the target interval, so as to divide the target interval into several groups of swallowing and exhaling segments, injecting the infection liquid containing and simmer the well for a period of time; and after the well simmering, the oil-water mixture replaced by the injection fluid is produced from each exhaling segment.