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Comment
. 2012 Dec 26;109(52):E3625; author reply E3626.
doi: 10.1073/pnas.1216133110. Epub 2012 Dec 10.

Capillary tension and imbibition sequester frack fluid in Marcellus gas shale

Terry Engelder
Comment

Capillary tension and imbibition sequester frack fluid in Marcellus gas shale

Terry Engelder. Proc Natl Acad Sci U S A. .
No abstract available

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Conflict of interest statement

The author declares no conflict of interest.

Comment on

References

    1. Warner NR, et al. Geochemical evidence for possible natural migration of Marcellus Formation brine to shallow aquifers in Pennsylvania. Proc Natl Acad Sci USA. 2012;109(30):11961–11966. - PMC - PubMed
    1. Evans MA. Fluid inclusions in veins from the Middle Devonian shales: A record of deformation conditions and fluid evolution in the Appalachian Plateau. Geol Soc Am Bull. 1995;107(3):327–339.

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