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Natural gas hydrates potential in Pakistan: A possible solution to meet future energy demands

ANSARI Ubedullah CHENG Yuanfang ZHOU Xiaohui DING Jiping LI Qingchao

ANSARIUbedullah, 程远方, 周晓晖, 丁吉平, 李庆超. 巴基斯坦天然气水合物潜力: 满足未来能源需求的可能解决方案[J]. 华东师范大学学报(自然科学版), 2020, (S1): 84-88. doi: 10.3969/j.issn.1000-5641.202092206
引用本文: ANSARIUbedullah, 程远方, 周晓晖, 丁吉平, 李庆超. 巴基斯坦天然气水合物潜力: 满足未来能源需求的可能解决方案[J]. 华东师范大学学报(自然科学版), 2020, (S1): 84-88. doi: 10.3969/j.issn.1000-5641.202092206
ANSARI Ubedullah, CHENG Yuanfang, ZHOU Xiaohui, DING Jiping, LI Qingchao. Natural gas hydrates potential in Pakistan: A possible solution to meet future energy demands[J]. Journal of East China Normal University (Natural Sciences), 2020, (S1): 84-88. doi: 10.3969/j.issn.1000-5641.202092206
Citation: ANSARI Ubedullah, CHENG Yuanfang, ZHOU Xiaohui, DING Jiping, LI Qingchao. Natural gas hydrates potential in Pakistan: A possible solution to meet future energy demands[J]. Journal of East China Normal University (Natural Sciences), 2020, (S1): 84-88. doi: 10.3969/j.issn.1000-5641.202092206

巴基斯坦天然气水合物潜力: 满足未来能源需求的可能解决方案

doi: 10.3969/j.issn.1000-5641.202092206
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  • 中图分类号: TE5

Natural gas hydrates potential in Pakistan: A possible solution to meet future energy demands

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  • 摘要: 提供了一个可以利用卫星成像技术证明水合物的存在和评估巴基斯坦境内天然气水合物饱和度的可行性模型. 研究证明了巴基斯坦具有开采天然气水合物的极大潜力. 阿拉伯海的卫星图像与海底模拟反射器(BSR)的联合作用,可以预测其中是否存在水合物和潜在能源. 此外,热成像技术成本较低,结合它的创新性,都极大地增加了水合物探测的性价比,其中包含的热梯度也可以有助于了解特定区域海底天然气水合物的热力学特点. 不幸的是,因为水合物中天然气生产的高风险性,所以天然气在水合物中的生产在商业上仍然不被广泛接受. 但毫无疑问,所有的这些项目都非常有前景. 以巴基斯坦为例,1998年巴基斯坦-德国合作进行了一次寻找水合物的考察. 考察发现,在阿拉伯海Makran海岸埋藏的天然气水合物的饱和度约为29%,其中存在甲烷气体和7.5%的游离气. 此外,阿拉伯海的海底模拟反射器(BSR)还可以在深达500至800 m 的海底进行追踪. 另一方面,巴基斯坦对天然气的需求量每年增加 60 ~ 75 MMSCFD,因此开发天然气水合物是满足未来全国能源需求的一个明智的方案. 本文的创新之处在于将卫星成像技术应用于巴基斯坦附近海域天然气水合物的勘探. 该研究还强调了中巴经济走廊(CPEC)和海上丝绸之路在水合物开发中的潜在价值.
  • Fig.  1  Flow diagram illustrating the methodological track adopted to commence the study

    Fig.  2  Correlation of aerial map, seismic survey, and satellite thermal images to detect the locations of bottom simulating reflectors (Bohrmann, 2008, Sain et al., 2000, A. Inam, 2010)

    Fig.  3  Visuals of real and thermal images of hydrate sample to illustrate the thermal imaging response of different samples.

    Tab.  1  List of activities associated with effective hunting for natural gas hydrates in Arabian Sea

    ActivityFinding
    Marine-seismic reflection and refraction surveys of the Makran Accretionary prism offshore Traced BSRs at 500 m - 800 m below seafloor
    Marine-seismic reflection and refraction surveys of the Makran Accretionary prism offshore Confirmed the traces of BSRs within 800 m range from seafloor
    Marine-seismic reflection and refraction surveys of the Makran Accretionary prism offshore Identified frozen methane in ice lattice structures
    Marine-seismic reflection and refraction surveys of the Makran Accretionary prism offshore Confirmed the presence of natural gas in frozen sediments
    Compressional wave velocity analysis on BSRs Notified the presence of free gas in Makran accretionary prism
    Conducted 3D seismic reflection Notified the presence of free gas below seafloor
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  • [1] WEI N, SUN W, MENG Y, et al. Sensitivity analysis of multiphase flow in annulus during drilling of marine natural gas hydrate reservoirs [J]. Journal of Natural Gas Science and Engineering, 2016: 692-707.
    [2] DALMAZZONE C, HERZHAFT B, ROUSSEAU L. Prediction of Gas Hydrates Formation with DSC Technique[C]// SPE Annual Technical Conference and Exhibition, 5-8 October, Denver, Colorado. Society of Petroleum Engineers, 2003.
    [3] ZHANG Y, LIANG J, LI K, et al. Research Progress of Drilling Coring and Mining on the Permafrost Natural Gas Hydrates in China [J]. Procedia Engineering, 2014, 73: 362-367.
    [4] MEREY S. Drilling of gas hydrate reservoirs [J]. Journal of Natural Gas Science and Engineering, 2016, 35: 1167-1179.
    [5] ULLAH Z, WU W, GUO P, et al. A study on the development of marine functional zoning in China and its guiding principles for Pakistan [J]. Ocean & Coastal Management, 2017, 144: 40-50.
    [6] INAM A, TABREZ A R. Gas Hydrates Resource Potential of South Asia: PAKISTAN [R]. Report submitted to Petroleum Re Development Secretariat, 2010.
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出版历程
  • 收稿日期:  2020-04-21
  • 网络出版日期:  2021-01-27
  • 刊出日期:  2021-01-27

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