Patent · US Active

High temperature and high salinity-resistant complementarily rigid-flexible plugging agent and method for preparing the same and water-based drilling fluid and use thereof

US11970655B2 · kind B2 · utility

0Cited by

0References

9Claims

0Family size

Assignee

CHINA UNIVERSITY OF PETROLEUM (EAST CHINA) · CN

Inventors

Jingping Liu · Beijing, CN
Jinsheng Sun · Qingdao, CN
Kaihe Lv · Qingdao, CN
Meichun Li · Qingdao, CN
Jintang Wang · Qingdao, CN
Jiafeng Jin · Qingdao, CN
Yingrui Bai · Qingdao, CN
Xianbin Huang · Qingdao, CN
Jian Li · Hubei, CN
Shenglong Shi · Qingdao, CN

Key dates

Filing date	Oct 14, 2022
Grant date	Apr 30, 2024
Priority date	—
Expiry date	Oct 14, 2042

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/141
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A high temperature and high salinity-resistant complementarily rigid-flexible plugging agent, a method for preparing the same, and a water-based drilling fluid and a use thereof.

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