Timothy M. Roberson


Mr. Roberson has over 40 years of experience in all phases of the oil and gas exploration and production business with focal areas on company start-ups, management of exploratory prospect origination, and in drilling, completion, and production operations management. Mr. Roberson has been an operator in the Permian Basin since 1987 and has also been an operator and/or producer in the East Texas Basin, the Texas and Louisiana Gulf Coast, and in the Federal OCS waters of the Gulf of Mexico.

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Charles A. Sharman

Executive Vice President

Mr. Sharman is Executive Vice President, co-founder, and co-owner of Texas Standard Oil LLC. Mr. Sharman has over 25 years’ experience in the oil and gas business, including offshore operations in the Federal OCS waters of the Gulf of Mexico, and over 40 years of experience as a practicing oil and gas lawyer.

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Craig Young

Senior Vice President, Operations

Mr. Young has 40 years of experience working all facets of petroleum engineering. He spent most of his career in the Permian Basin and served as Permian Basin Division Drilling Manager for EOG Resources in Midland. He was responsible for all drilling operations in the Midland Division from 2005 to 2007. He earned a reputation as one of EOG’s top Shale Drilling & Completions “Trouble-Shooter” and “Well Performance Optimization” Engineer.

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Edward J. Gibbon

Vice President, Reservoir Engineering

Mr. Gibbon has over 40 years’ experience in reserve estimating, economic analyses, and reservoir engineering. Before joining Texas Standard Oil, Mr. Gibbon was Vice President of Tall City Exploration, a highly successful Permian Basin oil company backed by Denham Capital. Tall City made a major, successful extension of the Wolfcamp horizontal play in the Midland Basin with a 68 mile step out into northern Howard County.

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Matt Roberson, RPL


Mr. Roberson, a Registered Professional Landman, began his career as an independent landman working for Dudley Land Company in the Permian Basin in January, 2018. In addition to many other projects, he worked on a large, in-house asset evaluation and divestiture project for the Midland, Texas-based Endeavor Energy Resources for ten months. During this time, he evaluated numerous properties across several counties in New Mexico, Texas, Oklahoma, and Kansas to determine Endeavor’s leasehold ownership and other interests that had been obtained by the company over the years.

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David Entzminger

Project Geologist Consultant

Mr. Entzminger has worked as a geoscientist in the petroleum industry for over 40 years with major companies, independents, start-ups and his own consulting company. He has successfully led multi‐rig exploration, development, and EOR drilling programs as an accomplished geoscientist and manager. His programs have generated millions of oil & gas reserves in multiple petroleum basins both in conventional and unconventional reservoirs. He has worked most basins in the United States and has done some international work.

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W. Dixon Millican Jr.

Geophysical Manager

Mr. Millican is a top-level geologist/seismic interpreter, skilled in the integration of seismic interpretation, subsurface geology, and reservoir rock properties with 35 years of experience in Texas, Louisiana, and the Gulf of Mexico with specialized experience in salt dome and sub-salt exploration/exploitation and interpretation. Mr. Millican has interpreted 3-D and 2-D seismic on SMT, Petrel, GeoQuest, Landmark, and Geographix workstations since the late 1980’s with special emphasis placed on working within a multi-discipline team.

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Patricia A. (Pat) Johnson, CPA

Accounting Manager

Ms. Johnson joined Texas Standard Oil Company in 2001. She has since been responsible for all aspects of general ledger and operations accounting for Texas Standard Oil LLC and its affiliated entities. In addition to her accounting duties, she handles all office administration tasks.

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Doug Scott

Consulting Petrophysicist

Doug Scott has over 45 years of E&P experience primarily in the Permian Basin, but also in the Rocky Mountains, South America, Europe and Asia. Mr. Scott spent over 40 years with Halliburton where he served across multiple positions and geographies. After retiring from Halliburton, Mr. Scott consulted for Tall City Exploration, Halliburton, and several other Permian Basin operators.

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