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300-Myr-old magmatic CO2 in natural gas reservoirs of the west Texas Permian basin

Author

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  • Chris J. Ballentine

    (IGMR, Dept Erdwissenschaften, ETH Zentrum NO CO 61.7)

  • Martin Schoell

    (Chevron Research and Technology Company)

  • Dennis Coleman

    (Isotech Laboratories Inc.)

  • Bruce A. Cain

    (Altura Energy LLP)

Abstract

Except in regions of recent crustal extension1, the dominant origin of carbon dioxide in fluids in sedimentary basins has been assumed to be from crustal organic matter2 or mineral reactions3,4. Here we show, by contrast, that Rayleigh fractionation caused by partial degassing of a magma body can explain the CO2/3He ratios and δ13C(CO2) values observed in CO2-rich natural gases in the west Texas Val Verde basin and also the mantle 3He/22Ne ratios observed in other basin systems5. Regional changes in CO2/3He and CO2/CH4 ratios can be explained if the CO2 input pre-dates methane generation in the basin, which occurred about 280 Myr ago6. Uplift to the north of the Val Verde basin between 310 and 280 Myr ago6 appears to be the only tectonic event with appropriate timing and location to be the source of the magmatic CO2. Our identification of magmatic CO2 in a foreland basin indicates that the origin of CO2 in other mid-continent basin systems should be re-evaluated. Also, the inferred closed-system preservation of natural gas in a trapping structure for ∼300 Myr is far longer than the residence time predicted by diffusion models7,8.

Suggested Citation

  • Chris J. Ballentine & Martin Schoell & Dennis Coleman & Bruce A. Cain, 2001. "300-Myr-old magmatic CO2 in natural gas reservoirs of the west Texas Permian basin," Nature, Nature, vol. 409(6818), pages 327-331, January.
    • Handle: RePEc:nat:nature:v:409:y:2001:i:6818:d:10.1038_35053046
    DOI: 10.1038/35053046
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    Cited by:

    1. Liu, Quanyou & Zhu, Dongya & Jin, Zhijun & Tian, Hailong & Zhou, Bing & Jiang, Peixue & Meng, Qingqiang & Wu, Xiaoqi & Xu, Huiyuan & Hu, Ting & Zhu, Huixing, 2023. "Carbon capture and storage for long-term and safe sealing with constrained natural CO2 analogs," Renewable and Sustainable Energy Reviews, Elsevier, vol. 171(C).
    2. Ulrich Wolfgang Weber & Niko Kampman & Anja Sundal, 2021. "Techno-Economic Aspects of Noble Gases as Monitoring Tracers," Energies, MDPI, vol. 14(12), pages 1-17, June.
    3. Cut Aja Fauziah & Ahmed Al-Yaseri & Emad Al-Khdheeawi & Nilesh Kumar Jha & Hussein Rasool Abid & Stefan Iglauer & Christopher Lagat & Ahmed Barifcani, 2021. "Effect of CO 2 Flooding on the Wettability Evolution of Sand-Stone," Energies, MDPI, vol. 14(17), pages 1-14, September.

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