Rig for drilling multiple horizontal wells in the Marcellus Shale formation of Pennsylvania. Credit: Ruhrfish/Wikimedia Commons. In western Pennsylvania, in eastern Ohio, in Texas and Oklahoma, from Colorado to Arkansas…
Read MoreRig for drilling multiple horizontal wells in the Marcellus Shale formation of Pennsylvania. Credit: Ruhrfish/Wikimedia Commons. In western Pennsylvania, in eastern Ohio, in Texas and Oklahoma, from Colorado to Arkansas…
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