Energy Law Natural Resources Law Oil and Gas Law
Andrew B. "Andy" Derman
Awarded Practice Areas
Biography
Andrew B. Derman is a Partner and head of International Energy Practice Group for Thompson & Knight LLP and Chairman of Thompson & Knight Global Energy Services. He represents public and private companies and host governments in their strategic design, commercial execution, negotiations, contract preparation, and legal interpretation. Recent experience includes: acquisition and divestment efforts in North America, South America, Europe, Africa, Asia, and Australia; international financing matters; commercialization of natural gas, including LNG and GTL; the full-range of host government contracts and industry contracts, including production sharing contacts, service contracts, operating agreements; offshore platform and construction and installation tenders; lifting agreements; the start-up and winding-up of overseas operations; deep water operations; Foreign Corrupt Practice Act and similar OECD advice; sanction advice; in-house and industry oil and gas seminars; unitizations; transnational pipelines; litigation and arbitration; acting as an advocate, expert witness and as an arbitrator. Mr. Derman was with Oryx Energy Company and Sun Company, Inc. (predecessor of Oryx Energy Co.) for 20 years; he designed and implemented worldwide business/commercial strategies, including acquisitions, divestments, trades, alliances and host government negotiation. In addition, he managed the international exploration program, the technology group, the reservoir administration function, procurement and material management, corporate environmental oversight and the exploration and production planning function. Education: Insead Advanced Management Program, Fontainebleau, France (1991); Temple University Law School, J.D. (1978); Law Review (1976-78); National Moot Court Advocate (1977); New York University, B.A. (1974); Justinian Honor Society; graduated at age 20. Admitted to and a member of the State Bar of Texas, Pennsylvania and New York. Board certified by the Texas Board of Legal Specialization in the field of Oil, Gas and Mineral Law. He has an AV Rating by Martindale-Hubbell. He is a frequent speaker at conferences and universities worldwide and has published five books and more than 50 articles.
Overview
- English
- Temple University, J.D., graduated 1978
- New York University, BA, graduated 1974
- Texas, State Bar of Texas
- New York, New York State Bar Association
- Pennsylvania, Pennsylvania Bar Association
- AIPN - Former Director
- English
- Texas, State Bar of Texas
- New York, New York State Bar Association
- Pennsylvania, Pennsylvania Bar Association
- AIPN - Former Director
- Temple University, J.D., graduated 1978
- New York University, BA, graduated 1974
Client Testimonials
Awards & Focus

Named "Lawyer of the Year" by Best Lawyers® for:
- Natural Resources Law, Dallas/Fort Worth (2024)
- Oil and Gas Law, Dallas/Fort Worth (2024)
- Natural Resources Law, Dallas/Fort Worth (2022)
- Natural Resources Law, Dallas/Fort Worth (2020)
- Energy Law, Dallas/Fort Worth (2019)
- Natural Resources Law, Dallas/Fort Worth (2017)
- Natural Resources Law, Dallas (2015)
Recognized in The Best Lawyers in America® 2026 for work in:
- Energy Law
- Natural Resources Law
- Oil and Gas Law
Additional Areas of Practice:
- International Arbitration - Commercial
Special Focus:
- Arbitration
- Trade
Awards:
- Multiple
- AIPN
News & Media
Case History
Cases
- Participating in multiple billion dollar + oil and gas litigation / arbitration
As an advocate, expert and arbitrator
Transactions
- Multiple billion dollar+ oil and gas M&A projects
Globally
- Commerical Guidance
Assisting private, public and national oil and gas companies that are seeking to grow their companies
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