| 天然气水合物开采储层出砂研究进展与思考 |
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| 引用本文： | 宁伏龙,方翔宇,李彦龙,窦晓峰,王林杰,刘志超,罗强,孙嘉鑫,赵颖杰,张准,刘天乐,张凌,蒋国盛.天然气水合物开采储层出砂研究进展与思考[J].地质科技通报,2020,39(1):137-148. |
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| 作者姓名： | 宁伏龙 方翔宇 李彦龙 窦晓峰 王林杰 刘志超 罗强 孙嘉鑫 赵颖杰 张准 刘天乐 张凌 蒋国盛 |
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| 作者单位： | 中国地质大学（武汉）工程学院;中国地质大学（武汉）科技部地球深部钻探与深地资源开发国际联合研究中心;青岛海洋地质研究所自然资源部天然气水合物重点实验室 |
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| 基金项目： | 国家重点基础研究发展计划2017YFC0307600国家重点基础研究发展计划2018YFE0126400中国地质调查局项目DD20190231中国地质调查局项目DD20190232中国地质调查局项目DD20189320中国地质调查局项目DD20189330中国地质调查局项目DD20160221中国地质调查局项目DD20160216青岛海洋科学与技术国家实验室开放基金2017YFC0307600青岛海洋科学与技术国家实验室开放基金2017YFC0307600国家自然科学基金项目51274177国家特支计划青年拔尖人才项目 |
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| 摘 要： | 天然气水合物开采井眼出砂问题是当前水合物产业化急需突破的瓶颈之一,解决水合物开采时防砂与产能平衡问题是实现水合物安全高效、长期可控开采的关键.我国海域典型水合物储层属于弱固结的低渗泥质粉砂储层,其面临的防砂控泥与增产矛盾较为突出.厘清不同水合物储层和开采条件下的井眼出砂规律并揭示其机理,进而制定科学合理的防砂控泥措施以实现产能最大化是解决上述矛盾的途径所在.从理论分析、数值模拟、室内实验和现场试采4个角度介绍了世界范围内已开展的水合物出砂防砂情况,分析总结了水合物储层出砂影响因素及出砂机理,最后探讨了目前出砂研究存在的问题和挑战,并给出了相应的建议,旨在为后续水合物开采井眼出砂预测和防控研究提供思路和参考.
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| 关 键 词： | 天然气水合物 开采 出砂 |
| 收稿时间： | 2020-01-14 |
Research status and perspective on wellbore sand production from hydrate reservoirs |
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| Ning Fulong,Fang Xiangyu,Li Yanlong,Dou Xiaofeng,Wang Linjie,Liu Zhicao,Luo Qiang,Sun Jiaxin,Zhao Yingie,Zhang Zhun,Liu Tianle,Zhang Ling,Jiang Guosheng.Research status and perspective on wellbore sand production from hydrate reservoirs[J].Bulletin of Geological Science and Technology,2020,39(1):137-148. |
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| Authors: | Ning Fulong Fang Xiangyu Li Yanlong Dou Xiaofeng Wang Linjie Liu Zhicao Luo Qiang Sun Jiaxin Zhao Yingie Zhang Zhun Liu Tianle Zhang Ling Jiang Guosheng |
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| Affiliation: | (Faculty of Engineering,China University of Geosciences(Wuhan),Wuhan 430078,China;National Center for International Research on Deep Earth Dilling and Resource Development,China University of Geosciences(Wuhan),Wuhan 430078,China;Key Laboratory of Gas Hydrate of Ministry of Natural Resources,Qingdao Institute of Marine Geology,Qingdao Shandong 266237,China) |
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| Abstract: | Sand production problem during gas hydrate exploitation seriously restricts its safe, efficient and controllable exploitation and industrialization process.It becomes one of the bottlenecks which should be solved urgently.The typical hydrate reservoirs in the South China Sea are clay-rich silt formation which cause more prominent contradiction between sand/clay production control and gas recovery enhancement.To resolve this conflict, we should firstly clarify the sand production behaviors and reveal their mechanism under the conditions of different reservoir types and production rules, and then formulate scientific and reasonable sand/clay control methods to maximize the gas recovery rate.This paper reviews the research status of wellbore sand production during gas production from hydrate reservoirs.Theoretical analysis, numerical simulations, laboratory experiments and field trials for sand production prediction and control are summarized respectively.Then the influencing factors of sand production in hydrate reservoirs, the mechanism of sand production, and the difficulties and challenges of sand production research are analyzed.The aim of this review is to provide some suggestions and ideas for sand production prediction and scientific sand control technology in the following hydrate exploitation process. |
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| Keywords: | natural gas hydrate gas production sand production |
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