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David B. Lassetter
David B. Lassetter
Senior Associate — Corporate
Senior Associate — Corporate

David B. Lassetter

David B. Lassetter
Houston

Texas Tower
845 Texas Avenue
Suite 4700
Houston, Texas 77002

David B. Lassetter

Experience Highlights

  • Double Eagle Energy Holdings, IV in its $4.1 billion cash and stock sale to Diamondback Energy, Inc.

  • NGP as lead investor in the over $250 million line of equity commitment to Mora Energy Holdings, LLC

  • Total Operations and Production Services, a leading provider of contract gas compression services for the Permian Basin, in its acquisition by Archrock in a cash-and-stock transaction valued at $983 million

  • Andros Capital Partners in the formation of a joint venture with Esperanza Capital Partners to acquire Deepwater Gulf of Mexico upstream and infrastructure assets, including Exxon’s assets in the Ursa and Princess Fields

  • MN8 Energy LLC in its $325 million private placement of convertible preferred stock

  • EnCap Investments in several equity investments, including X2 Resources, Double Eagle Energy Holdings V, Tumbleweed Royalty V, Black Swan Oil & Gas II, Novo Oil & Gas II, Ridge Runner Resources II, Dunamis Energy, Double Eagle Energy Holdings IV, Tumbleweed Royalty IV, Verdun Oil Company III and Grayson Mill Energy Holdings III

  • OIC in connection with its investment in DartPoints, an owner and operator of data centers in the United States

  • NGP in an equity investment in Greenlake Energy Holdings II, LLC

  • EagleClaw Midstream, a Blackstone and I Squared Capital portfolio company, in its $9 billion business combination with Altus Midstream to form Kinetik Holdings

  • Kinetik Holdings Inc. in its acquisition of Durango Permian LLC from Durango Midstream LLC, a portfolio company of Morgan Stanley Energy Partners, for an aggregate $765 million of cash and equity

  • Kinetik Holdings Inc. in its acquisition of the Barilla Draw oil and gas gathering systems from Permian Resources Corp. for $180 million in cash

  • Kinetik Holdings Inc. in its sale of its 16% equity interest in Gulf Coast Express Pipeline LLC to an affiliate of ArcLight Capital Partners LLC for a total purchase price of $540 million in cash

  • First Reserve in its acquisition of AP4 Group, LLC, a global full-service provider of critical power plant and turbomachinery maintenance services

  • First Reserve in its acquisition of Palmdale Oil Company, a wholesale distributor of fuel, lubricants and other petroleum products in the Southeastern United States

  • First Reserve in its $135 million acquisition of TriMas Corporation’s Lamons business, a provider of industrial sealing and fastener solutions

  • Energy Transfer Partners in the $60 billion merger with Energy Transfer Equity in a unit-for-unit exchange 

  • Chord Energy in its $11 billion combination with Enerplus Corporation

  • Oasis Petroleum Inc. in a $6 billion merger of equals with Whiting Petroleum Corporation creating Chord Energy in 2022

  • Oasis Petroleum and its affiliate companies in the $1.8 billion merger of Oasis Midstream Partners LP with Crestwood Equity Partners LP

  • Bonanza Creek Energy in its business combination with Extraction Oil & Gas to form Civitas Resources and Civitas’ subsequent acquisition of Crestone Peak Resources, creating a $4.5 billion combined company

  • FleetPride, a TPG portfolio company, in its sale to American Securities

  • Pioneer Energy Services in its $295 million sale to Patterson-UTI Energy

  • Frank’s International in its merger with Expro Group

  • PermRock Royalty Trust in its $106 million initial public offering of trust units

Credentials

  • Southern Methodist University Dedman School of Law, J.D. cum laude, 2017 (Lead Articles Editor, SMU Law Review; Phi Delta Phi)
  • The University of Texas at Austin, B.A., Economics and Government, 2014
  • Texas
  • “Investing in Private Mineral Companies,” World Oilman’s Mineral & Royalty Conference, April 14, 2025 (presentation)