Haynes and Boone LLP’s Houston office named Craig Stahl and Jeffrey Kuehnle as partners in the firm’s litigation and energy practice groups, the law firm said Sept. 6.

Stahl’s experience includes oil and gas litigation. He served as lead counsel for oil and gas producers in multidistrict litigation and class actions in multi-million dollar cases. Stahl specializes in handling royalty payments disputes and joint operating agreements.

Stahl was formerly a partner at Andrews Kurth Kenyon LLP, where he co-chaired the firm’s energy litigation practice and served in other leadership roles.

Kuehnle, also a former Andrews Kurth partner, has focused much of his career on representing major energy producers in multimillion-dollar lawsuits and appeals. He has a mechanical engineering degree from Texas A&M University.

Haynes and Boone handles high-stakes transactions and litigation, as well as financings and regulatory advice. Its clients includes independent U.S. oil and gas producers, major international oil companies, global commodity traders, domestic power companies, large commercial lenders and private equity firms.