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The top documents tagged [shale composition]
Drilling Engineering Association Project Proposal DEA #113 – Phase 2 “Drilling Gumbo Shale – A Study of Environmentally Acceptable Muds to Eliminate Shale
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MARCELLUS SHALE Natural Gas in Pennyslvania. Where is Marcellus Shale in PA? Marcellus Shale The contour lines tell thickness of the shale. Pink =
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Marcellus Shale
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