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| 天然气水合物钻井中的地质灾害分析 |
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马庆涛, 张卫东, 刘玉明
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中国石油大学（华东）石油工程学院
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| Geologic Hazard Analysis of Natural Gas Hydrate in Drilling |
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MA Qingtao, ZHANG Weidong, LIU Yuming
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College of petroleum Engineering in China University of petroleum
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| As a clean and rich energy source,natural gas hydrate has become a focus of study in the world.In this paper,the geologic condition of hydrate reservoir is analyzed. Combining with the natural gas hydrate drilling characteristics and drilling accidents,prevention and response methods are discussed.It is proposed that to restrain and control natural gas hydrate decomposition is the key to safety drilling,in which a reasonable choice of drilling fluid system is important.Some performance parameters should be taken into account in the selection of drilling fluid.The basic parameters requirements of natural gas hydrate drilling are also analyzed. |
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