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We measured argon gas permeability in three intact and one partially fractured Eagle Ford Shale samples documenting the stress dependence of horizontal (bedding parallel) in situ permeability of intact samples which varies between 1 and 10 nD (1 nD = 0.9869233 × 10−21 m2), while the permeability of partially fractured sample varies between 18 and 37 nD. For all samples, permeability decreases by up...
We document vertical permeability of $$2.3 \times 10^{-21}\, \hbox {m}^{2}$$ 2.3 × 10 - 21 m 2 (2.3 nd) and horizontal permeability of $$9.5 \times 10^{-20}\, \hbox {m}^{2}$$ 9.5 × 10 - 20 m 2 (96.3 nd) in two Barnett Shale samples. The samples are composed predominantly of quartz, calcite, and clay; have a porosity and a total organic content of $$\sim $$ ...
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