Composition for multi-component composite intercalation, method of preparing a low-temperature expandable graphite system and method of profile control and water shutoff in deep oil reservoir

US10745281B1 · kind B1 · utility

Assignees

• CHINA UNIVERSITY OF PETROLEUM (EAST CHINA) · CN
• CHINA UNIVERSITY OF GEOSCIENCES (BEIJING) · CN
• NORTHWEST OILFIELD BRANCH, CHINA PETROLEUM & CHEMICAL CO., LTD · CN

Inventors

• Guang Zhao · Qingdao, CN
• Caili Dai · Qingdao, CN
• Yahui Lv · 流花街道, CN
• Jiawei Liu · Shanghai, CN
• Sen Wang · Daguantang, CN
• Ning Sun · Fremont, US
• Qing You · Beijing, CN
• Guangjie Hu · Qingdao, CN
• Long He · Shanghai, CN
• Liang Li · Berkeley, US

Key dates

• Filing date: Feb 24, 2020
• Grant date: Aug 18, 2020
• Expiry date: Feb 24, 2040

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2004/61
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The present disclosure relates to the field of oilfield chemistry, in particular to a composition for multi-component composite intercalation, a method of preparing a graphite system and a method of profile control and water shutoff.