Patent · US Active

Amphiphilic reservoir protecting agent and preparation method thereof and drilling fluid

US9399692B1 · kind B1 · utility

7Cited by

1References

11Claims

0Family size

Assignee

China University of Petroleum—Beijing · CN

Inventors

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 · Taipei, TW
Taotao Luo · Beijing, CN
Lan Wang · Chongqing, CN

Key dates

Filing date	Sep 21, 2015
Grant date	Jul 26, 2016
Priority date	—
Expiry date	Sep 21, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K8/506
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.