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Data Report: Molecular and Isotopic Compositions of the Extracted Gas from China’s First Offshore Natural Gas Hydrate Production Test in South China Sea

Author

Listed:
  • Jianliang Ye

    (Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510760, China)

  • Xuwen Qin

    (Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510760, China)

  • Haijun Qiu

    (Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510760, China)

  • Wenwei Xie

    (Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510760, China)

  • Hongfeng Lu

    (Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510760, China)

  • Cheng Lu

    (Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510760, China)

  • Jianhou Zhou

    (Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510760, China)

  • Jiyong Liu

    (Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510760, China)

  • Tianbang Yang

    (Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510760, China)

  • Jun Cao

    (Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510760, China)

  • Rina Sa

    (Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510760, China)

Abstract

Three hundred gas samples recovered from SHSC-4 during China’s first gas hydrate production test in the South China Sea were examined for gas component and isotopic composition. According to the gas chromatography analysis, all the gas samples from SHSC-4 are predominated by CH 4 , with minor N 2 + O 2 , as well as trace amounts of CO 2 , C 2 H 6 , and C 3 H 8 . No H 2 S was detected. The molecular and isotopic data of the gas samples fall into the region of “mixed origin” on the plot of C 1 /(C 2 + C 3 ) − δ 13 C 1 , which is close to the microbial origin. The discrimination diagram of δ 13 C 1 − δD CH4 shows that the methane in all of the samples is of microbial origin, and is derived from the CO 2 reduction.

Suggested Citation

  • Jianliang Ye & Xuwen Qin & Haijun Qiu & Wenwei Xie & Hongfeng Lu & Cheng Lu & Jianhou Zhou & Jiyong Liu & Tianbang Yang & Jun Cao & Rina Sa, 2018. "Data Report: Molecular and Isotopic Compositions of the Extracted Gas from China’s First Offshore Natural Gas Hydrate Production Test in South China Sea," Energies, MDPI, vol. 11(10), pages 1-7, October.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:10:p:2793-:d:176315
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    Citations

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    Cited by:

    1. Li, Xiao-Yan & Hu, Heng-Qi & Wang, Yi & Li, Xiao-Sen, 2022. "Experimental study of gas-liquid-sand production behaviors during gas hydrates dissociation with sand control screen," Energy, Elsevier, vol. 254(PB).
    2. Jianchao Cai & Shuyu Sun & Ali Habibi & Zhien Zhang, 2019. "Emerging Advances in Petrophysics: Porous Media Characterization and Modeling of Multiphase Flow," Energies, MDPI, vol. 12(2), pages 1-5, January.
    3. Jin, Guangrong & Peng, Yingyu & Liu, Lihua & Su, Zheng & Liu, Jie & Li, Tingting & Wu, Daidai, 2022. "Enhancement of gas production from low-permeability hydrate by radially branched horizontal well: Shenhu Area, South China Sea," Energy, Elsevier, vol. 253(C).
    4. Wang, Kang & Chang, Yuanjiang & Chen, Guoming & Sun, Baojiang & Sun, Huanzhao & Li, Hao & Dai, Yongguo, 2022. "Three-dimensional mechanical behaviors of casing during gas production from marine hydrate reservoirs using depressurization," Energy, Elsevier, vol. 247(C).
    5. Lei, Xin & Yao, Yanbin & Sun, Xiaoxiao & Wen, Zhiang & Ma, Yuhua, 2022. "Permeability change with respect to different hydrate saturation in clayey-silty sediments," Energy, Elsevier, vol. 254(PA).
    6. Lin, Decai & Lu, Jingsheng & Liu, Jia & Liang, Deqing & Li, Dongliang & Jin, Guangrong & Xia, Zhiming & Li, Xiaosen, 2023. "Numerical study on natural gas hydrate production by hot water injection combined with depressurization," Energy, Elsevier, vol. 282(C).
    7. Gu, Yuhang & Sun, Jiaxin & Qin, Fanfan & Ning, Fulong & Cao, Xinxin & Liu, Tianle & Qin, Shunbo & Zhang, Ling & Jiang, Guosheng, 2023. "Enhancing gas recovery from natural gas hydrate reservoirs in the eastern Nankai Trough: Deep depressurization and underburden sealing," Energy, Elsevier, vol. 262(PB).

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