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介绍一种新出现的钻井技术即MPD。该技术可能是唯一可用于甲烷水合物钻井和储层评价的技术,并列举了MPD在陆地和海上钻井中遇到的难题,包括井眼不稳定性、井底压力波动、水合物在井眼外分解的风险等。
Introducing a new emerging drilling technology called MPD. This technique may be the only technique available for methane hydrate drilling and reservoir evaluation and cites MPD challenges encountered on land and offshore drilling including borehole instability, bottomhole pressure fluctuations, hydrate formation in wellbores The risk of external decomposition.