孙宝江 中国石油大学(华东)石油工程学院教授
ll drilling, US09631450B2
[6]Subsea wellhead pressure indicating and automatic adjusting device for deep-water dual-gradient drilling, US09605499B1
[7]Homocentric squaresshaped well structure for marine hydrate reserve recovery utilizing geothermal heat and method thereof, US10267129B1
[8]Well killing method and device for a fractured formation without safety pressure window by five-step bullheading, US10408014B1
[9]Apparatus and method for monitoring hydrate decomposition area under differe
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