No. 7 Zuanjing Lu

Dongying, China

No. 7 Zuanjing Lu

Dongying, China

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Guo B.,No. 7 Zuanjing Lu | Wang X.,No. 7 Zuanjing Lu | Jiang L.,No. 7 Zuanjing Lu | Yan B.,No. 7 Zuanjing Lu
Drilling Fluid and Completion Fluid | Year: 2015

A device was designed to produce energized foam drilling fluid which can be used to replace conventional foam drilling fluids easily to be defoamed by pressure. The energized foam mud was formulated with energized foams made at high pressure being mixed with common drilling fluids, and was thus quite different from conventional foam muds. Study indicated that the energized foam mud produced by the device had (bubble) core pressures of 0.1-20 MPa, capable of withstanding higher pressure. In annular spaces with high pressures, this energized foam mud still maintained low density, and hence low static pressure on the bottom hole. ©, 2014, North China Petroleum Administration Drilling Technology Research Institute. All right reserved.

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