Doug Dashiell

Doug practices oil, gas, and energy law, including civil litigation and regulatory matters before the Railroad Commission of Texas, Texas Comptroller of Public Accounts, and Texas General Land Office. He joined the firm in 1984 after a brief career as a petroleum landman followed by law school. A board certified attorney in Oil, Gas and Mineral Law, Doug has tried cases in various parts of Texas and handled numerous contested Railroad Commission cases. He has represented operators, lessees, and lessors. A significant portion of Doug's work involves advice and representation on Texas Comptroller severance tax matters.

Recognitions & Awards

Board Certified Oil, Gas and Mineral Law, Texas Board of Legal Specialization, since 1987 - present

Texas Super Lawyer, a Thomson Reuters business, Energy and Natural Resources Law, 2005, 2009 - 2014, 2018 - 2019

Member, Interstate Oil & Gas Compact Commission, 1995 - present

Past Member of the Council for the Oil, Gas & Energy Resources Law Section of the State Bar

Representative Matters

Successfully defended nonparticipating royalty interest owners and settled a claim that the interest had terminated, resulting in over $8,000,000 recovery by NPRI owners.

Successfully defended multi-million dollar claim involving interpretation, application, and interaction of Pugh, horizontal severance and pooling clauses. Sustained judgment on appeal.

Prevailed in Texas Comptroller severance tax refund for taxpayer who received refund of over $16,000,000.

Successfully defended Texas Comptroller severance tax assessment against gas purchaser by reducing $20,000,000 assessment by approximately 90%.

Successfully defended oil and gas operator in Texas General Land Office Royalty Audit by reducing $30,000,000 royalty claim by approximately 95%.

Successfully defended oil and gas operator in landowner challenge to Railroad Commission "allocation well" permits.

Bar Admissions & Activities

Admitted to the State Bar of Texas

Member, State Bar Oil, Gas and Mineral Law Section


BBA 1980, The University of Texas at Austin.

JD, cum laude 1984, Baylor University

Articles & Presentations

Leasing Public Lands (Including GLO, City, County and State Lands)

Railroad Commission Enforcement (Plugging, False Filings)

Unitization and Severance Tax Incentives

Tax Incentives for Oil and Gas Production

Regulation of the Texas Eagle Ford Shale

Texas GLO Update (Multiple Years)

Texas Railroad Commission Regulation of Horizontal Drilling

Allocation Wells, Production Sharing Agreements, Pooling