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:
Mar. 29, 2022
Filed:
Sep. 29, 2020
Beijing Shida Bocheng Technology Co., Ltd, Beijing, CN;
Xiaohu Quan, Beijing, CN;
Haiping Feng, Beijing, CN;
Yihu Wang, Beijing, CN;
Jianmin Chen, Beijing, CN;
Yu Cao, Beijing, CN;
Weizhi You, Beijing, CN;
Junling Zhao, Beijing, CN;
Jing Yang, Beijing, CN;
Ang Li, Beijing, CN;
Wei Quan, Beijing, CN;
Beijing Shida Bocheng Technology Co., Ltd, Beijing, CN;
Abstract
A synergist for a water-base drilling fluid and a preparation method therefor, a water-base drilling fluid and an application thereof, and belongs to the field of drilling fluid technologies. The synergist is prepared from raw materials comprising the following parts by weight: 15˜25 parts of sodium styrene sulfonate, 8˜15 parts of allyl trimethyl ammonium chloride, 2˜8 parts of didodecyldimethylammonium bromide, 1˜5 parts of n-octyl triethoxysilane, 1˜5 parts of propyltriethoxysilane, 1˜5 parts of disodium lauryl sulfosuccinate, 10˜20 parts of nano silica, 8˜15 parts of paraffin, and the like.