
David B. Lassetter

Texas Tower
845 Texas Avenue
Suite 4700
Houston, Texas 77002

David advises private equity firms and a variety of public and private businesses in connection with strategic transactions, including mergers and acquisitions, divestitures, leveraged buyouts, joint ventures and equity and debt financings. His work spans a variety of industries, with a particular focus on energy and infrastructure matters.
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
- Deals & CasesMay 7, 2025
- Deals & CasesMay 6, 2025
- Deals & CasesApril 24, 2025
- Deals & CasesFebruary 18, 2025
- Deals & CasesJuly 23, 2024
- Deals & CasesJuly 8, 2024
- Deals & CasesJune 27, 2024
- Deals & CasesJune 12, 2024
- Deals & CasesApril 1, 2024
- Deals & CasesFebruary 21, 2024
- Deals & CasesFebruary 21, 2024
- Deals & CasesJune 15, 2023
- Deals & CasesMay 19, 2023
- Deals & CasesMay 3, 2023
- Deals & CasesApril 3, 2023
- Deals & CasesJanuary 25, 2023
- “Investing in Private Mineral Companies,” World Oilman’s Mineral & Royalty Conference, April 14, 2025 (presentation)