Nano-hybrid lubricant and method thereof, and oil-based drilling fluid

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United States of America Patent

PATENT NO 10030188
SERIAL NO

15466036

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Abstract

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The present invention relates to the well drilling field in petroleum industry, in particular to a nano-hybrid lubricant and method thereof, and oil-based drilling fluid. The lubricant comprises: graphite oxide and a biquaternary ammonium salt compound of which the cation part is represented by formula (1). The present invention also provides a method for preparation of the lubricant and an oil-based drilling fluid containing the lubricant. The lubricant provided in the present invention can be comprehended as a nano-hybrid material. Thus, oil-based drilling fluids that contain the lubricant provided in the present invention have lower lubrication coefficient and excellent lubricating property without or with little negative impact on rheological property of the oil fluid, and the lubricant provided in the present invention has excellent thermostability thus suitable for use in operation at a high temperature.

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Patent Owner(s)

Patent OwnerAddress
CHINA UNIVERSITY OF PETROLEUM (BEIJING)102249 BEIJING CITY CHANGPING DISTRICT ROAD NO 18 BEIJING CITY BEIJING CITY 102249

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deng, Zhengqiang Beijing, CN 8 17
Gao, Deli Beijing, CN 18 13
Han, Liexiang Beijing, CN 11 30
He, Yinbo Beijing, CN 28 32
Jiang, Guancheng Beijing, CN 47 76
Li, Xinliang Beijing, CN 18 19
Liu, Fan Beijing, CN 63 244
Peng, Shuanglei Beijing, CN 5 11
Sun, Haifang Beijing, CN 10 35
Yang, Lili Beijing, CN 79 546

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