Patent · US Active

High-temperature retarder suitable for oil and gas well cementation, preparation method thereof and cementing slurry

US10858571B2 · kind B2 · utility

0Cited by

0References

6Claims

0Family size

Assignees

CHINA UNIVERSITY OF PETROLEUM (EAST CHINA) · CN
CHENGDU OMAX PETROLEUM TECHNOLOGY CO., LTD · CN

Inventors

Chengwen Wang · Shandong, CN
Yucheng Xue · Qingdao, CN
Wei Zhou · Tianjin, CN
Ruihe Wang · Shandong, CN
Jinsheng Sun · Qingdao, CN
Yong Li · Qingdao, CN
Changqiang Tang · Qingdao, CN

Key dates

Filing date	Jan 27, 2020
Grant date	Dec 8, 2020
Priority date	—
Expiry date	Jan 27, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2800/20
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The present disclosure relates to a high-temperature retarder suitable for oil and gas well cementation, a preparation method thereof and a cementing slurry.

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