Haynes and Boone, L.L.P. fields a deep bench of experienced oil and gas litigators advising on complex, high-value disputes across the upstream, midstream, and downstream sectors. The team represents numerous large independent producers, integrated oil and gas companies, and smaller operators, acting for clients as both plaintiffs and defendants in contentious, multi-party matters. Co-head David Ammons brings extensive experience in state and federal courts, successfully defending major integrated companies and independents in multidistrict and class actions involving multimillion-dollar claims. Fellow co-head Craig Stahl regularly serves as lead counsel in high-stakes, multiparty disputes. D.J. Beaty adds strong upstream and midstream expertise, while Garrett Martin is noted for his deep sector knowledge and broad oil and gas litigation experience.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Always responsive, ready to listen, and creative in their approach. I would also like to call out their support staff at trials - excellent work.’

Key clients

  • Marathon Oil Company
  • Hess Corporation
  • EF Real Estate Holdings
  • Mewbourne Oil Company
  • Apache Corporation

Work highlights

Represented Marathon Oil Company in the jury trial and subsequent appeal against Koch Energy in a force majeure case arising out of Winter Storm Uri, in addition to acting as appellate counsel in two force majeure cases in which the client is a party.
Represented Hess Corporation and ten of its affiliates in a dispute with a large group of non-operating working interest owners led by Northern Oil & Gas that alleged the Hess defendants took unreasonable deductions for post-production charges for hundreds of wells, reaching a favorable settlement.
Representing EF Real Estate Holdings in a dispute concerning a US$21 million guaranty secured by oil and gas operations.

Lawyers

Hall of Fame

The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Craig Stahl
Craig Stahl
Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Next Generation Partners

Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Garrett Martin
Garrett Martin
Practice head

David Ammons; Craig Stahl

Other key lawyers

D.J. Beaty; Garrett Martin; Mark Trachtenberg; Ryan Pitts; Emmie Gooch