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:
Jul. 26, 2016
Filed:
Sep. 21, 2015
China University of Petroleum (Beijing), Beijing—Changping District, CN;
Guancheng Jiang, Beijing, CN;
Yang Xuan, Beijing, CN;
Xi Wang, Beijing, CN;
Ranran Song, Beijing, CN;
Xianzhu Wu, Beijing, CN;
Junbin Chen, Beijing, CN;
Wei Ou Yang, Beijing, CN;
Taotao Luo, Beijing, CN;
Lan Wang, Beijing, CN;
Abstract
The present subject matter relates to an amphiphilic reservoir protecting agent, including structural units denoted by the following formula (1), (2), (3) and (4). The present subject matter further provides a method for preparation of an amphiphilic reservoir protecting agent. The present subject matter further provides a drilling fluid that contains the amphiphilic reservoir protecting agent. The amphiphilic reservoir protecting agent and drilling fluid obtained in the present subject matter have high reservoir protection property and high shale inhibition property.