Invention Grant
- Patent Title: Temporary plugging agent and preparation method thereof, and method for temporary plugging and fracturing of high-temperature reservoir
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Application No.: US17258749Application Date: 2020-12-15
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Publication No.: US11945995B2Publication Date: 2024-04-02
- Inventor: Tiankui Guo , Yuelong Zhang , Zengbao Wang , Ning Qi , Mingliang Luo , Feipeng Wu , Ming Chen , Xiaoqiang Liu , Jiwei Wang , Xiaozhi Wang , Yuanzhi Gong
- Applicant: CHINA UNIVERSITY OF PETROLEUM
- Applicant Address: CN Dongying
- Assignee: CHINA UNIVERSITY OF PETROLEUM
- Current Assignee: CHINA UNIVERSITY OF PETROLEUM
- Current Assignee Address: CN Dongying
- Priority: CN 2010257174.1 2020.04.02
- International Application: PCT/CN2020/136594 2020.12.15
- International Announcement: WO2021/196740A 2021.10.07
- Date entered country: 2021-01-08
- Main IPC: C09K8/508
- IPC: C09K8/508 ; C09K8/504 ; C09K8/512 ; E21B43/26
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%.
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