Company Structure

Stonehenge Energy Resources II, L.P. is a limited partnership, formed in 2012, based in Westminster, Colorado.

  • The General Partner is 3MG Enterprises II, LLC. 3MG is owned by the principals of Stonehenge and an Executive Committee.
  • The Limited Partners are Energy Spectrum Partners VI LP and Energy Spectrum Partners VII LP, the sixth and seventh midstream equity funds of Energy Spectrum Capital. Energy Spectrum is a private equity firm located in Dallas, focused exclusively on the energy industry. It has managed or currently manages accumulatively $3.5 billion.
  • Stonehenge Energy Resources II L.P. owns Stonehenge Energy Holdings, LLC which holds Stonehenge Appalachia, LLC. Stonehenge Appalachia owns and operates the Butler Pipeline System consisting of gathering and compression facilities serving natural gas producers in northeast Butler County, Pennsylvania and surrounding areas.

Stonehenge designs, builds, owns and operates midstream facilities to support its producer-partners in the optimum development of their resources.

  • Financial and technical backing from two proven companies:
    • Energy Spectrum Capital – A leading midstream-focused private equity firm.
    • Kahuna Ventures – A full service midstream project execution consulting firm.
  • The Stonehenge mission is to support its producer-customers:
    • Respond quickly to new facility needs.
    • Maintain industry-best online times.
    • Maximize the value received for the commodity production.
  • Open to various deal structures: Fee-based, revenue sharing, combination.
  • Willing to take risks: Capital cost, operating cost, production volumes, commodity prices.
  • Proven success in the Pennsylvania Marcellus provides an experience platform to build upon:
    • Stonehenge Energy Resources, L.P. was formed in 2007. In 2009 Keystone Midstream Services, LLC was created to gather and process NGL-rich gas.
    • Minority owners of Keystone were producers Rex Energy and Sumitomo Corporation.
    • Two cryogenic processing plants, compression and pipelines were built and operated, supporting the early development in Butler County, Pennsylvania.
    • Keystone was sold to MarkWest for $512 million in 2012.

Principals of Stonehenge Energy Resources II, L.P.

Patrick A. Redalen, President
Michael W. Brinkmeyer, Vice President, New Ventures
Charles E. Wilkinson, Business Advisor

Executive Committee

3MG Enterprises II, LLC – General Partner

Gary W. Davis
Managing Partner, 3MG Enterprises II, LLC
President, Kahuna Ventures LLC

John H. Rheinheimer
Managing Partner, 3MG Enterprises II, LLC
Vice President, Project & Construction Management, Kahuna Ventures LLC

Energy Spectrum Partners VI LP – Limited Partner

Thomas O. Whitener
President, Energy Spectrum Capital

Peter W. Augustini
Partner, Energy Spectrum Capital