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:
Feb. 24, 2026
Filed:
Jan. 28, 2021
China Petroleum & Chemical Corporation, Beijing, CN;
Sinopec Oilfield Service Corporation, Beijing, CN;
Sinopec Shengli Petroleum Engineering Co., Ltd, Shandong, CN;
Drilling Technology Research Institute of Sinopec Shengli Petroleum Engineering Co., Ltd, Shandong, CN;
Gongrang Li, Shandong, CN;
Wenbo Li, Beijing, CN;
Chengjun Wang, Shandong, CN;
Bingxiang Sun, Beijing, CN;
Hui Tian, Shandong, CN;
Ke Li, Shandong, CN;
Jianghong Jia, Shandong, CN;
Xudong Wang, Shandong, CN;
Lei Yu, Shandong, CN;
Jun Wang, Shandong, CN;
Wei Wang, Shandong, CN;
Lei Li, Shandong, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
SINOPEC OILFIELD SERVICE CORPORATION, Beijing, CN;
SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD, Shandong, CN;
DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD, Shandong, CN;
Abstract
A cyclic thioether compound has a structure represented by the following formula (I). A vegetable oil composition contains the cyclic thioether compound. When the cyclic thioether compound is used as a drilling fluid lubricant in a drilling fluid. The lubrication performance of the drilling fluid can be significantly improved.