Patent · US Active

Temporary plugging agent and preparation method thereof, and method for temporary plugging and fracturing of high-temperature reservoir

US11945995B2 · kind B2 · utility

0Cited by

1References

9Claims

0Family size

Assignee

China University of Petroleum · CN

Inventors

Tiankui Guo · Qingdao, CN
Yuelong ZHANG · Dongying, CN
Zengbao Wang · Shanghai, CN
Ning Qi · Beijing, CN
Mingliang Luo · Dongying, CN
Feipeng Wu · Wuhu, CN
Ming-Cheng Chen · Taipei, TW
Xiaoqiang Liu · Beijing, CN
Jiwei Wang · Ottawa, CA
Xiaozhi WANG · Dongying, CN
Yuanzhi Gong · Dongying, CN

Key dates

Filing date	Dec 15, 2020
Grant date	Apr 2, 2024
Priority date	—
Expiry date	Jul 22, 2042

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B43/261
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Disclosed are a temporary plugging agent and a preparation method thereof, and a method for temporary plugging and fracturing of a high-temperature reservoir. The temporary plugging agent includes the following components in mass fractions: acrylamide 5%, composite crosslinking agent 1%, laponite 1%, ammonium persulfate 0.1% and water 92.9%.

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