Natural gas hydrate formation drilling simulation device

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United States of America Patent

PATENT NO 9790743
APP PUB NO 20160305205A1
SERIAL NO

14765684

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Abstract

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A natural gas hydrate drilling simulation device, includes a hydrate rock core simulation system, a drilling system, a drilling fluid injection system and a drilling fluid treatment system. The hydrate rock core simulation system includes a hydrate formation simulation wellbore, an artificial rock core, a water bath jacket and low temperature water bath. The drilling system includes a bracket, a high pressure rotary connecting device, a hydraulic device and a drilling device. The drilling fluid injection system includes a mud tank, a drilling fluid flowmeter, mud pumps and an overflow valve. The drilling fluid treatment system includes a high pressure sand remover, a back pressure and overflow control system, a gas-liquid separator, a dyer, a gas flowmeter, a liquid flowmeter and a mud treatment tank. This natural gas hydrate drilling simulation device performs simulation experiments under a variety of downhole working condition environments.

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Patent Owner(s)

  • GUANGZHOU INSTITUTE OF ENERGY CONVERSION, CHINESE ACADEMY OF SCIENCES

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Zhaoyang Guangzhou, CN 26 72
Huang, Ningsheng Guangzhou, CN 7 84
Li, Gang Guangzhou, CN 629 4192
Li, Xiaosen Guangzhou, CN 30 73
Wang, Yi Guangzhou, CN 1349 14754
Zhang, Yu Guangzhou, CN 1971 9206

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