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Cornerstone Petroleum Resources

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Cornerstone Petroleum Resources is an exploration and production company located in Fort Worth, Texas. The company primarily focuses on the development of shale oil resources via joint ventures, farm-ins and organic leasing opportunities with existing acreage owners and operators. Cornerstone is managed by a team of proven operational experts in horizontal drilling and hydraulic fracturing techniques, led by Lee Matthews (President and CEO).

http://www.cstonepr.com/
Initial Investment:2013

Additional Investments

  • SandRidge Energy, Inc.
  • Linn Energy, LLC
  • Atlas Energy Resources, LLC
  • EV Energy Partners
  • National Specialty Alloys
  • Breitburn Energy Partners L.P.
  • RAM Energy Resources
  • Black Oak Resources, LLC
  • Chaparral Energy
  • Bayou Well Services
  • Crown Oil Partners IV
  • Richland-Stryker Generation, LLC
  • PetroEdge Energy III
  • Maverick Brothers Energy
  • Core Minerals Management II
  • Refinery Specialties, Inc.
  • Cornerstone Petroleum Resources
  • Crown Oil Partners V
  • Oryx Midstream Services
  • CPX Piceance, LLC
  • Saxet I Minerals
  • PetroEdge Energy IV
  • Double Eagle Energy Permian
  • Rimrock Resource Operating
  • UpCurve Energy
  • Mavros Minerals
  • Balcones Energy Holdings
  • Crown Oil Partners VI
  • Moriah Henry Partners
  • Saxet II Minerals
  • Mavros Minerals II
  • Oryx Midstream Services II
  • Nadel and Gussman NV, LLC
  • Sierra EF, LP
  • Tri-C Energy Partners, LLC
  • Saxet III Minerals
  • Prime Downhole Manufacturing
  • Layne Water Midstream
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