Opportune · RALPH E. DAVIS AN OPPORTUNE COMPANY 500,000 2010 2011 Anadarko 2012 Appalachia 2013...
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Opportune · RALPH E. DAVIS AN OPPORTUNE COMPANY 500,000 2010 2011 Anadarko 2012 Appalachia 2013 Bakken 2014 2015 Eagle Ford 2016 Haynesville 2017 Niobrara