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:
Nov. 29, 2019
China Petroleum & Chemical Corporation, Beijing, CN;
Sinopec Petroleum Engineering Technology Service Co., Ltd., Beijing, CN;
Drilling Engineering Technology Research Inst. of Sinopec Zhongyuan Petroleum Engineering Co., Ltd, Henan, CN;
Sinopec Zhongyuan Petroleum Engineering Co., Ltd, Henan, CN;
Xiqiang Si, Henan, CN;
Zhonghua Wang, Henan, CN;
Weiting Li, Henan, CN;
Jun Wei, Henan, CN;
Zhongjin Wang, Henan, CN;
Yuebin Lv, Henan, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
Sinopec Petroleum Engineering Technology Service Co., Ltd., Beijing, CN;
Drilling Engineering Technology Research Institute of Sinopec Zhongyuan Petroleum Engineering Co., LTD, Henan, CN;
SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD, Henan, CN;
Abstract
An aryl-substituted saccharide or glycoside or a mixture of a plurality of aryl-substituted saccharides or glycosides have at least good resistance to high temperatures and salt, and lower filtration loss. These aryl-substituted saccharide or glycoside are used in making a drilling fluid composition. The aryl-substituted saccharide or glycoside or the mixture of a plurality of aryl-substituted saccharides or glycosides each or in combination bears a substituent A and a substituent B, wherein the substituent A contains a unit —O—R— in its structure and the substituent B contains a unit in its structure, and the substituents and the numbers are defined in the description.