天然气水合物脱气装置研制及性能试验

魏纳; 陈光凌; 郭平; 李清平; 吕鑫

doi:10.11911/syztjs.201702020

天然气水合物脱气装置研制及性能试验

1.
油气藏地质及开发工程国家重点实验室(西南石油大学), 四川成都 610500;
2.
中海油研究总院, 北京 100027

基金项目:

国家重点研发计划项目"海洋水合物固态流化测试新技术"（编号：2016YFC0304008）、国家自然科学"控压钻井测控理论及关键问题研究"（编号：51334003）及油气藏地质及开发工程国家重点实验室开放"水合物藏固态采掘水下输送气液固多相非平衡管流基础理论"（编号：PLN1418）资助。

详细信息

作者简介:
魏纳(1980—),男,四川成都人,2003年毕业于西南石油学院油气储运工程专业,2011年获西南石油大学油气井工程专业博士学位,副教授,主要从事海洋天然气水合物绿色钻采、控压钻井、欠平衡钻井与气体钻井等方面的技术研究工作。

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出版历程
- 收稿日期: 2016-09-11
- 修回日期: 2017-02-15
- 刊出日期: 2017-05-10

The Development and Experimental Testing of Gas Hydrate Degassing Devices

1.
State Key Laboratory of Oil and Gas Geology and Exploration, Southwest Petroleum University, Chengdu, Sichuan, 610500, China;
2.
CNOOC Research Institute, Beijing, 100027, China

摘要

摘要: 天然气水合物录井过程中，与振动筛相连接的脱气装置其脱气效率非常低，为解决该问题，研制了专用于天然气水合物录井的脱气装置并对其性能进行了室内试验。采用长0.7 m、宽0.7 m、高1.7 m的试验装置，开展了气液比10%~30%、转速0.33~1.33 r/s条件下的脱气效率数值模拟研究和室内试验。研究发现，在相同转速条件下，气液比为30%时模拟和室内试验得出的脱气装置的脱气效率最高；在相同气液比条件下，转速1.00 r/s时脱气装置的脱气效率最高。研究结果表明，研制的天然气水合物脱气装置能显著提高脱气效率，最优工况为气液比30%、转速1.00 r/s。
- 天然气水合物 /
- 录井 /
- 脱气装置 /
- 数值模拟 /
- 脱气效率
Abstract: During gas hydrate logging, degassing devices connected with the shale shaker have extremely low degassing efficiencies. Accordingly, degassing devices designated for gas hydrate logging have been developed. To determine the performances of these devices, lab tests were performed. By using experiment facilities with a length of 0.7 m, a width of 0.7 m and a height of 1.7 m, numerical simulations and lab tests were conducted with gas/liquid ratios of 10%-30% and rotation speeds of 0.33-1.33 r/s to determine the degassing efficiencies of these facilities. Test results showed that under identical rotation speeds, the maximum degassing efficiency of the degassing device could be achieved with gas/liquid ratio of 30% in both numerical simulation and lab tests. At the same time, under identical gas/liquid ratio, the highest degassing efficiency could be observed in degassing devices with a rotation speed of 1.00 r/s. Research results showed that gas hydrate degassing devices could significantly enhance degassing efficiency with an optimal gas/liquid ratio of 30% and a rotation speed of 1.00 r/s.
- gas hydrate /
- logging /
- degassing device /
- numerical simulation /
- degassing efficiency

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参考文献(16)

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天然气水合物脱气装置研制及性能试验

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The Development and Experimental Testing of Gas Hydrate Degassing Devices

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