Zackary D. Callarman

Zackary D. Callarman

Midland, Texas
(432) 685-8567
(432) 684-3188

Zack practices in the firm's Oil, Gas and Energy Resources Section.  Zack began his practice in San Antonio, Texas, where he performed title examination, due diligence, and drafted various types of title opinions and documents for clients with operations in the Barnett Shale and Eagle Ford Shale.

Zack focuses his practice mainly on oil and gas transactional matters, including title examination and rendering title opinions covering state and privately owned lands in Texas.  His practice also includes the preparation of deeds, leases, joint operating agreements, assignments, and various other documents utilized by upstream oil & gas companies.

Areas of Practice

  • Oil and Gas Title Examination
  • Oil and Gas Transactional Work

Bar Admissions

  • Texas


  • Texas A&M University School of Law (formerly Texas Wesleyan University School of Law), Fort Worth, Texas
    • J.D. - 2013
  • Baylor University
    • B.A. - 2009
    • Major: Political Science

Published Works

  • The Pich Exception: Reservations, Exceptions to Warranty, and Exceptions to Grant in the Chain of Title, Louisiana State University Journal of Energy Law and Resources, Volume V, Issue 1 (Spring), 2017
  • Seven Thousand Feet Under: Does Drilling Disturb the Dead? Or Does Drilling Underneath The Dead Disturb the Living? An Analysis of Various Laws Concerning Drilling to Extract Oil and Gas Underneath Cemeteries, Volume 43, Number 2 (Fall 2014) of West's Real Estate Law Journal (Thomson Reuters, 2014), Volume 39, Number 3 - Spring 2015, The Section Report of the Oil, Gas & Energy Resources Law Section of the State Bar of Texas


  • Speaker, Exceptions and Reservations in the Chain of Title, SAAPL 2016 Mid-Winter Seminar
  • Speaker, Drilling for Oil and Gas Under Cemeteries, Natural Resources Section of the San Antonio Bar Association (SABA) Monthly Luncheon
  • Speaker, Basic Oil and Gas Law and CaseLaw Update, Oil and Gas Rights in Texas - Lorman Education Services

Professional Associations and Memberships

  • Midland County Young Lawyers Association
  • Midland County Bar Association
  • State Bar of Texas
  • Oil, Gas and Energy Resources Law Section of the State Bar of Texas, Member
  • Young Professionals in Energy, Board Member
  • Permian Basin Landmen’s Association
  • American Association of Professional Landmen