Randall K. "Randy" Theunissen

Dorrell J. Brister is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Dorrell J., who practices law in Alexandria, Louisiana, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dorrell J. is held by other top lawyers in the same geographic and legal practice area.

Now in his third decade of practice, Kyle Polozola offers substantial experience advising participants in Louisiana’s energy industry. Based in Lafayette, Louisiana, Kyle’s practice at Kean Miller spans litigation, appeals, and transactional matters, with a particular focus on Administrative / Regulatory Law, Energy Law , and Oil and Gas Law. He regularly assists clients with practical, business-oriented legal solutions that are clearly communicated, cost-conscious, and aligned wi...

Andrew Quackenbos is a top attorney recognized by Best Lawyers in the practice area(s) of Admiralty and Maritime Law. Andrew, who practices law in Lafayette, Louisiana, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew is held by other top lawyers in the same geographic and legal practice area.

Mr. Stevens was born in Opelousas, Louisiana and served in the U.S. Army JAG Corps. He earned his Juris Doctorate degree from Louisiana State University Law School in 1979 and served as Law Clerk to the Honorable John M. Shaw, United States District Court, Western District of Louisiana until 1981. He is admitted to practice in all federal and state courts in Louisiana, the U.S. Court of Appeals for the Fifth Circuit and is duly admitted and qualified as an Attorney and Counselor of the Suprem...

Greg Duplantis’ legal practice centers on oil and gas property title examination with an emphasis on analyzing and rendering complex opinions concerning title that is held by production. He frequently calculates varying royalty interests, overriding royalty interests, and proportionately burdened net revenue interests. Greg routinely renders “stand up” title opinions that require physically searching the indices of courts' conveyance records and executing opinions on site. H...

Army joined the Firm in March 2011, bringing the knowledge and experience he earned over the course of his successful entrepreneurial career. His practice focuses on creditors’ rights, bankruptcy, and commercial transactional work for corporate, oil, gas and energy clients in Louisiana and Texas. Army is also one of only seven Sub-Chapter V bankruptcy trustees selected by the Department of Justice’s United States Trustee Program to serve in the State of Louisiana. Army is a skille...

Sam Masur’s practice is concentrated in the areas of oil and gas litigation, general commercial litigation, oil and gas titles, oil and gas and oil field service company acquisitions and divestitures, and general business acquisitions and divestitures. In both Louisiana state and federal courts, Sam litigates oil and gas and general business contract disputes involving oil and gas leases, overriding royalty interest agreements, joint operating agreements, and distribution agreements and...

Robert M. Kallam is a seasoned litigation attorney with more than thirty years of experience representing clients in state and federal courts at the trial and appellate levels. Based in Lafayette, Louisiana, he is a shareholder at Kean Miller and focuses his practice on Administrative / Regulatory Law and Admiralty and Maritime Law, along with complex civil litigation arising from marine , energy, transportation, and insurance-related matters. He regularly represents companies involved in hig...

James P. Roy is a senior partner and managing member of the plaintiffs' personal injury firm Domengeaux Wright Roy Edwards LLC in Lafayette, Louisiana. Focusing his practice on civil litigation, he represents plaintiffs throughout Louisiana and the Gulf coast involving vehicular accidents, admiralty and maritime law, personal injury and wrongful death. Mr. Roy has served as co-lead class counsel for the BP Oil Spill, Deepwater Horizon multi-district federal litigation (MDL 2179). He has obtai...

Bob Duplantis has dedicated his entire career to the oil and gas industry. Prior to joining the firm in 1982 and establishing its Lafayette office, Bob spent more than a decade serving in-house oil company legal departments, including six years as a lobbyist in Baton Rouge, Louisiana. Bob’s law practice focuses on Louisiana oil and gas regulation and “meat-and-potato” legal issues. He routinely argues contract disputes affecting the oil and gas industry, including lease inte...