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John B. Connally IV

John B. Connally IV Partner, Energy Transactions

John B.’s practice involves the representation of clients in domestic and international mergers and acquisitions, project development transactions, private equity investments, joint ventures, and a variety of energy matters.

He has worked on transactions in more than 20 states in the United States and more than 25 countries throughout the Americas, Asia, Europe, and Africa. 

John B. is currently Vinson & Elkins' co-head of the Energy Transactions and Projects practice group.

Experience Highlights

  • Continental Resources in its $220 million sale of mineral rights in the SCOOP and STACK oil and gas plays and formation of a joint venture with Franco-Nevada Corporation
  • Devon Energy in the $2 billion sale of certain non-core upstream assets to multiple buyers in east Texas, the Anadarko Basin, the northern and central Midland Basin, and northern Oklahoma
  • Devon Energy Corp. in the $8.84 billion contribution of substantially all of its U.S. midstream business to Crosstex Energy and Crosstex Energy to form a consolidated midstream business controlled by Devon
  • Equinor (formerly Statoil) in the $4.7 billion acquisition of Brigham Exploration Company, a public exploration and production company
  • Devon Energy in the $2.3 billion sale of U.S. oil and gas properties in 10 states to Linn Energy Holdings
  • Concho Resources in its $1.65 billion acquisition of the oil and gas assets of Marbob Energy Corporation and affiliated entities
  • QEP Resources in the $1.38 billion acquisition from multiple sellers of oil and gas assets in the Williston Basin

Mergers & Acquisitions

  • Devon Energy Corporation in the $7 billion sale of all of its Brazilian, deep Gulf of Mexico, and Azerbaijan assets to BP, as well as its purchase of a 50 percent interest in an oil sands project in Alberta, Canada
  • Ute Energy, a Quantum Energy Partners Portfolio company, in the $784 million sale of Ute Energy Upstream Holdings to publicly traded, Canada-based Crescent Point Energy
  • Concho Resources in the $1 billion acquisition of the oil and gas assets of Three Rivers Operating Company, located in the Permian Basin
  • Pioneer Natural Resources in the $155 million sale of its Barnett Shale assets
  • QEP Resources, Inc., in two agreements to sell oil and gas assets in the Cana-Woodford and Granite Wash plays in the Western Anadarko Basin in Texas and Oklahoma for a combined price of approximately $772 million
  • Citrus Energy Corporation in the sale of its Marcellus assets to Warren Resources, Inc. for $352.5 million

Energy Joint Ventures & Projects

  • TPG Special Situations Partners (TSSP) in its agreement between the operating subsidiary of Legacy Reserves LP and funds managed by TSSP to jointly fund horizontal development of certain of Legacy's Spraberry, Wolfcamp and Bone Spring rights in the Permian Basin 
  • Equinor (formerly Statoil) in its $3.3 billion joint venture with Chesapeake Energy to develop Marcellus Shale gas assets
  • Reliance Industries Ltd. in its $1.7 billion joint venture with Atlas Energy for development of approximately 300,000 acres in the Marcellus Shale
  • Devon Energy in its $2.5 billion joint venture with Sinopec for five shale plays (Tuscaloosa Marine Shale, Niobrara, Mississippian, Ohio Utica Shale, and Michigan Basin)
  • Pioneer Natural Resources in its $1.3 billion joint venture with Reliance Industries for the development of acreage in the Eagle Ford Shale
  • Devon Energy in the sale of a 30% stake in 650,000 shale acres in the Permian Basin (Cline Shale and Midland-Wolfcamp Shale) to Japan’s Sumitomo for $1.45 billion

Contact Details


T +1.713.758.3316
F +1.713.615.5333
1001 Fannin Street
Suite 2500
Houston, TX 77002
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John B.'s Practices

  • The University of Texas School of Law, J.D. with high honors, 1997 (Chancellors; Order of the Coif; Texas Law Review)
  • Vanderbilt University, B.A., 1994 (Phi Beta Kappa; Founder’s Medal)
  • Admitted to practice: Texas; New York
  • Chambers Global, Energy & Natural Resources (USA), 2015−2017; Energy: Oil & Gas (Transactional), 2016 and 2018
  • Chambers USA, Energy: Oil & Gas (Transactional), 2009−2018
  • Latin Lawyer 250, 2014–2015 and 2017−2018
  • Legal 500 U.S., "Leading Lawyer" in Energy Transactions, 2016−2018; Energy: Renewable/Alternative, 2017 and 2018; Energy Transactions, 2012−2018; Project Finance, 2011 and 2018
  • Who’s Who Legal (Law Business Research Ltd.), Energy, 2015−2017
  • Legal 500 Latin America, Corporate and M&A, 2012–2013; Projects and Energy, 2017
  • The Best Lawyers in America© (Woodward/White, Inc.), Corporate Law, 2007−2017; Energy Law, 2007−2017; Mergers & Acquisitions Law, 2007−2019
  • The University of Texas School of Law, Outstanding Young Alumnus Award, 2014
  • Ex-Students’ Association of The University of Texas, Outstanding Young Texas Ex Award, 2013
  • Selected to the Texas Super Lawyers list, Super Lawyers (Thomson Reuters) 2013−2014, 2016−2018
  • Selected to the Texas Rising Stars list, Super Lawyers (Thomson Reuters), 2004−2008, 2011, and 2013
  • Selected to the New York Rising Stars list, Super Lawyers (Thomson Reuters), 2011
  • Member: Advance Team, The University of Texas MD Anderson Cancer Center
  • Advisory Board: Kay Bailey Hutchison Center for Energy, Law & Business
  • Board of Directors: Ex-Students’ Association of The University of Texas
  • Advisory Board: Texas Journal of Oil, Gas and Energy Law