| 液氮冷源外置式天然气水合物孔底冷冻绳索取样器的研制 |
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| 引用本文： | 王元,郭威,孙友宏,贾瑞,刘华南,薛军. 液氮冷源外置式天然气水合物孔底冷冻绳索取样器的研制[J]. 探矿工程, 2013, 40(6): 1-3 |
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| 作者姓名： | 王元 郭威 孙友宏 贾瑞 刘华南 薛军 |
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| 作者单位： | 吉林大学建设工程学院,吉林大学建设工程学院,吉林大学建设工程学院,吉林大学建设工程学院,吉林大学建设工程学院,吉林大学建设工程学院 |
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| 基金项目： | 中国地质调查局项目（GZHL20110320、GZHL20110326） |
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| 摘 要： | 针对天然气水合物存在环境和性质的特殊性，研制了新型天然气水合物孔底冷冻取样器。取样器采用冷源外置式，通过绳索取心方式，实现孔底冷冻岩样。介绍了新型取样器的冷冻方式、工作原理和主要结构特点。
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| 关 键 词： | 天然气水合物；孔底冷冻；绳索取心；液氮；冷源外置 |
| 收稿时间： | 2013-01-31 |
| 修稿时间： | 2013-05-26 |
The Development of Wire-line Sampling Drilling Tool for Gas Hydrates by Hole Bottom Freezing with Development of Wire-line Sampling Drilling Tool for Gas Hydrates by Hole Bottom Freezing with Liquid Nitrogen as External Cold SourceGas Hydrates by Hole Bottom Freezing with Liquid Nitrogen as External Cold Source |
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| WANG Yuan,GUO Wei,SUN You-hong,JIA Rui,LIU Hua-nan and XUE Jun. The Development of Wire-line Sampling Drilling Tool for Gas Hydrates by Hole Bottom Freezing with Development of Wire-line Sampling Drilling Tool for Gas Hydrates by Hole Bottom Freezing with Liquid Nitrogen as External Cold SourceGas Hydrates by Hole Bottom Freezing with Liquid Nitrogen as External Cold Source[J]. Exploration Engineering:Rock & Soil Drilling and Tunneling, 2013, 40(6): 1-3 |
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| Authors: | WANG Yuan GUO Wei SUN You-hong JIA Rui LIU Hua-nan XUE Jun |
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| Affiliation: | College of Construction Engineering, Jilin University,College of Construction Engineering, Jilin University,College of construction Engineering,Jilin University,College of construction Engineering,Jilin University,College of construction Engineering,Jilin University,College of construction Engineering,Jilin University |
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| Abstract: | According to the characteristics of existing environment and natures of gas hydrates, a new gas hydrates sampler with hole bottom freezing is developed. The sampling was realized by wire-line coring with liquid nitrogen as external cold source. The paper describes the freezing method, operating principle and the main structure features. |
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| Keywords: | gas hydrates hole bottom freezing wire-line coring liquid nitrogen external cold source |
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