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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
 
Byron C. Romain
Senior Counsel
Head of North American Oil and Gas A&D
 
600 Travis Street, Suite 5400
Houston, TX 77002 
 
Email:
Phone: +1-713-821-5619
Fax: +1-713-821-5602
As Head of the Firm’s North American Oil and Gas A&D practice, Byron Romain focuses on the acquisition, disposition and development of oil and gas assets and projects in the upstream and midstream sectors, where he has represented major and independent oil and gas companies, sovereigns, quasi-governmental agencies, and private equity sponsors and portfolio companies. He advises on asset and equity deals, carried or promoted interests (including drill cos), joint venture/development arrangements, equity investments, and financing/lending arrangements.

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Work Highlights
  • Marathon Oil in its operational reentry into the Permian Basin via a series of acquisitions in excess of $1.85 billion, and related midstream arrangements
  • Stonehold Energy in its acquisition and development of certain non-operated oil focused assets in the Eagle Ford, and related acquisition financing and refinancing
  • ARM Energy Holdings, LLC in its formation and development of a gathering, processing and transportation midstream joint venture in the Delaware basin
  • An independent investment group in its proposed $1 billion acquisition of certain producing and exploratory non-operated oil and gas properties in the Williston Basin, and related financing
  • Marathon Oil in its exit from the Piceance Basin
  • Equity sponsor in the disposition of its membership interest in a Marcellus focused gathering and transmission pipeline system joint venture
  • An independent investment group in its proposed purchase and financing of a diverse basket of operated conventional and unconventional oil and gas properties in the Permian Basin, including related financing and operating arrangements
Education
  • Fordham University School of Law, 2005 J.D.
  • Fordham University, 2005 M.A.
    Alfa Fellowship, 2005
  • University of Texas, 2000 M.A.
    James Michner Post-Graduate Fellowship, 2000
  • University of Texas, 1997 B.Sc.
Admissions
  • New York 2006
  • Texas 2008

As Head of the Firm’s North American Oil and Gas A&D practice, Byron Romain focuses on the acquisition, disposition and development of oil and gas assets and projects in the upstream and midstream sectors, where he has represented major and independent oil and gas companies, sovereigns, quasi-governmental agencies, and private equity sponsors and portfolio companies. He advises on asset and equity deals, carried or promoted interests (including drill cos), joint venture/development arrangements, equity investments, and financing/lending arrangements.

Prior to joining Simpson Thacher, Byron was the main transactional attorney at Marathon Oil where he led the company’s acquisitions and dispositions, and at various times was the company’s main commercial attorney for its Canadian, Midcontinent, Gulf of Mexico, Permian Basin and Piceance Basin assets, joint ventures and developments.  He has extensive experience in North American resource plays and in conventional oil and gas projects, both domestically and internationally, including in the former Soviet Union, the Middle East and Southeast Asia.

Recent transactions and developments on which Byron has worked at the Firm include:

  • Marathon Oil in its operational reentry into the Permian Basin via a series of acquisitions in excess of $1.85 billion, and related midstream arrangements
  • Stonehold Energy in its acquisition and development of certain non-operated oil focused assets in the Eagle Ford, and related acquisition financing and refinancing
  • ARM Energy Holdings, LLC in its formation and development of a gathering, processing and transportation midstream joint venture in the Delaware basin
  • An independent investment group in its proposed $1 billion acquisition of certain producing and exploratory non-operated oil and gas properties in the Williston Basin, and related financing
  • Marathon Oil in its exit from the Piceance Basin
  • Equity sponsor in the disposition of its membership interest in a Marcellus focused gathering and transmission pipeline system joint venture
  • An independent investment group in its proposed purchase and financing of a diverse basket of operated conventional and unconventional oil and gas properties in the Permian Basin, including related financing and operating arrangements

Transactions and projects on which Byron has worked prior to joining Simpson Thacher include:

  • Marathon Oil in its acquisition of PayRock Energy Holdings, LLC, for $888 million, inclusive of 61,000 net mineral acres and production of 9,000 net boed
  • Marathon Oil in its disposition of its legacy upstream and midstream position in Wyoming, comprised primarily of waterflood developments in the Big Horn and Wind River basins and the Red Butte Pipeline, for $870 million
  • Marathon Oil in its disposition of non-operated CO2 and waterflood assets in West Texas and New Mexico for $235 million
  • Marathon Oil in its near total exit from the Gulf of Mexico for $205 million, and related plugging and abandonment security
  • Marathon Oil in its disposition of certain undeveloped Permian Basin leasehold and mineral interests for an undisclosed value
  • An independent E&P company in its participation in Mexico’s Round 1 and proposed country entry
  • Marathon Oil in the lease of approximately 4,800 net acres in the core of its South Texas Eagle Ford position for approximately $97 million, including carried interest of approximately $23 million and joint development arrangements
  • An independent E&P company in its disposition of approximately 80,000 net acres in the Marcellus Shale in West Virginia and Pennsylvania, and termination of its joint development arrangements
  • An independent E&P company in its acquisition of approximately 600,000 net acres in the Utica Shale in Michigan
  • An independent E&P company in its exit from the Haynesville Shale and related conventional oil and gas assets in East Texas, North Louisiana, Arkansas and Wilburton, Oklahoma, assets for $102 million
  • Marathon Oil in its announced acquisition of Paloma Partners II LLC for $750 million, inclusive of 17,100 net mineral acres in the core of its South Texas Eagle Ford position

Byron received his J.D. from Fordham University School of Law, M.A. in International Political Economy and Development from Fordham University, M.A. and B.Sc. in Radio, Television and Film from the University of Texas. He is admitted to practice in Texas and New York. Byron is an intermediate Russian speaker, having lived in Moscow for five years and studied in the Faculty of Law at Moscow State University. 

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