| 漠河冻土地区天然气水合物钻探施工技术 |
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| 引用本文： | 于磊,赵大军,孙友宏,张永勤,郭威,贾瑞,段会军.漠河冻土地区天然气水合物钻探施工技术[J].探矿工程,2011,38(6):13-16. |
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| 作者姓名： | 于磊 赵大军 孙友宏 张永勤 郭威 贾瑞 段会军 |
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| 作者单位： | [1]吉林大学建设工程学院,吉林长春130026 [2]中国地质科学院勘探技术研究所,河北廊坊065000 |
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| 基金项目： | 中国地质调查局地质调查项目“青藏高原冻土带天然气水合物调查评价”（1212010818055） |
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| 摘 要： | 天然气水合物是一种清洁的潜在资源,漠河冻土地区为天然气水合物的形成提供了有力的条件。根据当地的地质条件和水合物勘探开发的技术要求,确定相应的钻孔结构和钻进技术参数,合理选择了钻探设备。钻进过程中运用低温泥浆、泥浆冷却技术、大直径绳索取心钻进工艺,快速获得岩心,从而减少水合物的分解,为以后该地区天然气水合物的勘探提供了经验。阐述了漠河冻土地区天然气水合物钻探施工中的钻进关键技术。
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| 关 键 词： | 天然气水合物 钻探设备 泥浆制冷 大直径绳索取心钻进 漠河 |
| 收稿时间： | 2011/2/28 0:00:00 |
| 修稿时间： | 2011/4/3 0:00:00 |
Drilling Construction Technology of Gas Hydrate in Mohe Permafrost Region |
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| YU Lei,ZHAO Da-jun,SUN You-hong,ZHANG Yong-qin,GUO Wei,JIA Rui and DUAN Hui-jun.Drilling Construction Technology of Gas Hydrate in Mohe Permafrost Region[J].Exploration Engineering(Drilling & Tunneling),2011,38(6):13-16. |
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| Authors: | YU Lei ZHAO Da-jun SUN You-hong ZHANG Yong-qin GUO Wei JIA Rui and DUAN Hui-jun |
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| Institution: | 1.College of Construction Engineering,Jilin University,Changchun Jilin 130026,China;2.The Institute of Exploration Techniques,CAGS,Langfang Hebei 065000,China) |
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| Abstract: | Gas hydrate is a potential clean resource.There are strong conditions in Mohe permafrost region for gas hydrate formation.According to the local geological conditions and the technical requirements of hydrate exploration and development,the appropriate borehole structures and drilling parameters were determined,and drilling equipments were rationally selected.Low-temperature drilling mud,drilling mud cooling technology and large diameter wire-line coring drilling were applied in drilling process for rapid coring to reduce the decomposition of gas hydrate.The paper described the key technologies of drilling construction for gas hydrate in Mohe permafrost region. |
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| Keywords: | gas hydrate drilling equipment mud cooling large diameter wire-line coring Mohe |
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