Five Kiefaber & Oliva LLP Attorneys Recognized As Texas Rising Stars

March 29, 2021 — Kiefaber & Oliva LLP attorneys Lucas Cowan, Zach Gaver, D. Bradley (Brad) Gibbs, Zachary Oliva, and Patrick Schenkel have been named to the Super Lawyers 2021 “Texas Rising Stars” list in the category of Energy & Resources.

Lucas Cowan – Mr. Cowan’s practice involves various aspects of energy and business law, with a particular emphasis on upstream energy operations and construction-related enterprise. He advises clients regarding oil and gas title examination, due diligence for acquisitions and divestitures, oil and gas contracts, and upstream regulatory compliance. He is licensed to practice law in Texas and North Dakota.

Zach Gaver – Mr. Gaver advises public and private exploration and production companies, drilling contractors, and service providers, on a wide variety of energy transactions, including acquisitions and divestitures, joint ventures, and general corporate matters. He has extensive experience with title examination, upstream oil and gas agreements, and commercial contracts, and has led title due diligence efforts for clients on numerous upstream asset transactions. He is licensed to practice law in Texas, Ohio, and Oklahoma.

Brad Gibbs – Mr. Gibbs, a partner of Kiefaber & Oliva LLP, counsels clients concerning due diligence, complex mineral titles, pooling issues, lease analysis, joint operating agreements, surface use issues, title curative, and general upstream matters. Clients also seek his advice on emerging legal issues, such as renewables development in oil- and gas-rich areas and its impact on existing frameworks regarding surface and mineral rights. He is licensed to practice law in Texas, North Dakota, Kansas, and Wyoming.

Zachary Oliva – Mr. Oliva, a founding partner of Kiefaber & Oliva LLP, has extensive experience with authoring oil and gas title opinions, drafting and reviewing oil and gas leases, surface use agreements, and purchase and sale agreements, as well as drafting and negotiating other oil and gas contracts. Clients regularly seek his advice concerning business formations, contracts, and service agreements. He is licensed to practice law in Ohio, Texas, and New Mexico.

Patrick Schenkel – Mr. Schenkel advises oil and gas clients regarding acquisitions and divestitures, complex mineral titles, pooling issues, lease analysis, joint operating agreements, surface use issues, and title curative. His practice also involves drafting and probating wills and assistance in the settlement of estates, including drafting and recording affidavits of heirship, special warranty deeds, and other settlement instruments. He is licensed to practice law in Louisiana, Texas, and Montana.

About Kiefaber & Oliva LLP – Kiefaber & Oliva LLP is a nationally recognized law firm with offices in Houston, Texas, and Columbus, Ohio. From Fortune 500 companies to private equity-backed start-ups, our clients operate and invest in onshore assets across the U.S. Lower 48. We provide legal services to help oil and gas companies address critical challenges and opportunities – whether they are event-driven or part of a long-term strategy. Learn more at

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