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Danielle Mangrum Patterson

Danielle Mangrum Patterson Partner, Energy Transactions & Projects

Danielle focuses on the needs of domestic U.S. and international clients in mergers and acquisitions, private equity investments, joint ventures, and project development transactions. She most frequently represents public and private companies, private equity funds, and financial institutions involved in the energy industry, particularly in the upstream and midstream oil and gas and renewable power sectors. Danielle leads the drafting and negotiation on a variety of complex commercial agreements, including asset and equity purchase and sale agreements, limited liability company agreements, and joint development agreements.

Experience Highlights

  • EagleClaw Midstream Ventures, a portfolio company of Blackstone Energy Partners, in a joint venture with Kinder Morgan Texas Pipeline, a subsidiary of Kinder Morgan, to construct and own the approximately $2 billion Permian Highway Pipeline Project
  • Flywheel Energy Operating, a portfolio company of funds managed by Kayne Anderson Capital Advisors, in its $1.86 billion acquisition of all Fayetteville Shale and ARKOMA upstream and midstream assets of Southwestern Energy Company via the acquisition of 100% of the issued and outstanding securities in SWN Production (Arkansas), LLC and DeSoto Gathering Company, LLC
  • Magnolia Oil & Gas Corporation (formerly TPG Pace Energy Holdings Corp.) in its acquisition from certain funds managed by EnerVest, Ltd. of oil and gas assets within EnerVest’s South Texas Division for approximately $2.66 billion in cash and stock  
  • Caerus Oil and Gas, LLC in its $735 million acquisition of natural gas assets in Northwestern Colorado from Encana Corporation
  • Antero Midstream Partners LP in its formation of a joint venture to develop processing and fractionation assets in Appalachia with MarkWest Energy Partners L.P., a wholly owned subsidiary of MPLX
  • TPG Sixth Street Partners in multiple acquisitions of wind assets and solar assets  

Upstream Oil & Gas

  • Brigham Resources in the $2.55 billion cash and stock sale of all of its leasehold interests and related assets to Diamondback Energy
  • Concho Resources in its $1.625 billion acquisition of oil and gas assets from Reliance Energy
  • Chisholm Energy Holding on the acquisition of its first asset located in New Mexico 
  • Quantum Energy Partners in its $1 billion equity commitment to LINN Energy to fund future oil and natural gas acquisitions and development on those acquired assets
  • Antero Resources in its purchase from Southwestern Energy Company of oil and gas assets in West Virginia for $450 million 

Midstream Oil & Gas

  • Energy Transfer Partners, L.P. in connection with a 50/50 joint venture with Enterprise Products Partners, L.P. to resume service on the Old Ocean natural gas pipeline 
  • Various leading midstream companies in the formation of joint ventures for the construction of multi-billion dollar pipeline projects 
  • Special Committee of Antero Resources Corporation in the $1.05 billion drop down of its integrated water business to Antero Midstream Partners

Renewable Energy

  • Goldman Sachs Asset Management in its investment in a solar portfolio 
  • Tyr Energy, an Itochu Corporation, in its $500 million joint equity investment in the 845 MW Shepherds Flat wind power generation project in Eastern Oregon, currently the largest wind farm in the world
  • Mubadala Development Company in connection with its potential acquisition of multiple commercial solar projects located across six different U.S. states
  • Riverstone Holdings in its $400 million acquisition of three coal-fired generating plants located in Maryland from a subsidiary of Exelon Corporation 
  • A private equity fund in a $100 million acquisition of a portfolio of solar assets from a major utility 


Contact Details

Houston

T +1.713.758.3637
F +1.713.615.5050
dpatterson@velaw.com
1001 Fannin Street
Suite 2500
Houston, TX 77002
Local time: 12:39 PM
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Danielle's Practices

  • The University of Texas School of Law, J.D. with honors, 2010 (Editor in Chief, Texas Journal of Oil, Gas, and Energy Law)
  • St. Edward’s University, B.B.A. summa cum laude, Economics, 2007
  • Admitted to practice: Texas; Arkansas
  • Legal Media Group’s (Euromoney’s) Rising Star, 2017
  • Selected to the Texas Rising Stars list, Super Lawyers (Thomson Reuters), 2019
  • Legal 500 U.S., "Rising Star" in Energy: Transactions - Oil & Gas, 2019
  • Founding Member: Texas Energy Law Association