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.


Mr. Roberson began his career with National Supply in 1980 after graduating from the University of Texas at Austin McCombs School of Business with a B.B.A. in Marketing. He returned to the University of Texas at Austin in 1981 and conducted post-graduate work in Geology and Petroleum Land Management and began as a staff landman with Gulf Oil Company in Houston in 1982.

Mr. Roberson co-founded Pecos Petroleum Company on October 1, 1987 and served as President of the company from its inception until its dissolution in 2001. Pecos achieved its success by assembling and operating both developmental and exploratory prospects. During its active 9 year history, Pecos discovered or extended 14 fields and operated or participated in the production of over 7,200,000 BOE. Pecos became an operator in November 1987 starting in the Permian Basin. It operated the drilling and/or completion of over 70 wells prior to 2001.

Mr. Roberson was president and co-owner of Texas Standard Oil Company, an offshore oil & gas production company formed in 2001 which acquired the Freeport McMoran Oil & Gas Royalty trust (was traded on NYSE) and its related working interest by becoming publicly registered through the SEC and making an exchange offer. The acquired properties were located in the Federal waters of the Gulf of Mexico. Texas Standard Oil Company was liquidated in 2010. Mr. Roberson subsequently acquired all of the outstanding shares.

Mr. Roberson is President, co-founder and co-owner of recently formed Texas Standard Oil LLC. Mr. Roberson is the founder and owner of Texas Standard Oil & Gas, LP (“TXS LP”), Texas Standard Oil Operating Company and Roberson L.P.-1 which are Houston based, privately owned, independent oil and gas companies engaged in the exploration and production of oil and natural gas onshore Texas.

Mr. Roberson is a member of the American Association of Professional Landmen, the Houston Geological Society, the West Texas Geological Society, the Society of Petroleum Engineers: Permian Basin & Gulf Coast Sections, the Houston Producer’s Forum, ADAM-Houston Energy Network, the Houston Petroleum Club, and the First United Methodist Church in downtown Houston.

He is an Eagle Scout, a former Assistant Scout Master, holds the God and Country award and the Scouting Triple Crown award. He and Idylette, his wife of 31 years have three sons who are all Eagle Scouts and have all graduated from the University of Texas at Austin.

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 of 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.


Prior to his current activities, Mr. Sharman was part owner and Vice President, then President (as of February 1, 2008) of Texas Standard Oil Company, a privately owned, independent oil and gas non-operating company engaged in the exploration, development and production of oil and natural gas in Federal OCS waters of the Gulf of Mexico as well as in the Permian Basin and onshore Texas and Louisiana. Texas Standard Oil Company was formed as part of a publicly registered roll-up of the overriding royalty interests of the publicly traded Freeport-McMoRan Offshore Royalty Trust and the underlying working interests then owned by IMC Global, Inc. The assets were sold and it was liquidated in 2010.

In his private practice of law in the oil and gas transactional and energy finance sectors, Mr. Sharman has represented independents in the financing, on both debt and equity basis (including $300 million financing of a large domestic independent’s SPE, representing a large German commercial bank that was co-lead on the facility) of the acquisition and development of oil and gas assets primarily in Texas and Federal waters offshore Texas and Louisiana.

From 1996 to 1999, Mr. Sharman was Vice President, then President of Allied Natural Gas Corporation, a privately owned, independent oil and gas company engaged in the development and production of oil and natural gas in Federal waters of the Gulf of Mexico company, including operations (operated three platforms), financing (production payment lending coupled with gas marketing rights) and acquisitions (negative value/surety transactions).

Before 1995, Mr. Sharman worked solely as an attorney with various firms in Houston, Texas including Butler & Binion, Reynolds, Allen & Cook, Oaks, Hartline & Honey and Campbell, Zukowski, Bresenhan & Woods, practicing in the oil and gas transactional and energy finance area and in litigation support.

Mr. Sharman began his career in 1978 as an Assistant Attorney General of Texas under then Attorney General Mark White.

Mr. Sharman received his B.A., cum laude from Vanderbilt University in 1975 and his doctor of jurisprudence from the University of Texas at Austin School of Law in 1978.

Craig Young

Senior Vice President, Operations

Craig Young has 35 years of experience working all facets of petroleum engineering.  He has 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 July 2005 to September 2007. He earned the reputation as one of EOG’s top Shale Drilling & Completions “Trouble-Shooter” and “Well Performance Optimization” Engineer.


He was promoted to Division Operations Manager, EOG Resources Barnett Shale Division (Ft. Worth West Division) in September 2007 where he reduced trouble cost by 75% and total well cost by 40%. Following his success in the EOG Barnett Shale Division, Mr. Young became EOG’s Division Operations Manager of its Eagle Ford Shale Division in September 2009 where Mr. Young ultimately managed a capital budget of over $2.1 billion, running 26 rigs and 5 frac crews continuously. While there he developed the drilling and completion practices used by EOG today in the Eagle Ford Shale. These drilling and completions practices continue to make EOG an industry leader in shale development. Worked with Geologists and Geophysics to develop fracture treatments and target intervals. Also developed hub facilities to minimize capital requirements for each well. Hired managers, engineers, and support staff for a fully functioning operations staff developing a world class asset. Increased production over 80,000 BOPD while turning in record operational performance.

After leaving EOG Resources in 2012, Mr. Young has been Sr. Vice President of Operations with one public company and several private equity backed Permian Basin Companies primarily drilling in the Wolfcamp Shale Play. He graduated from Texas Tech University with a Bachelor of Science degree in Mechanical Engineering in 1981.

Edward J. Gibbon

Vice President, Reservoir Engineering

Mr. Gibbon has over 40 years of 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, Texas. Read more...

Before joining Tall City he was Sr. VP at Ryder Scott Company, L.P., leading multi-disciplinary teams of experts and providing consulting and evaluation services for clients such as McMoRan Oil and Gas, Mariner Energy, Apache Corporation, Chevron USA, and many other public and private companies and investors. Following graduation from the Colorado School of Mines, Mr. Gibbon began his professional career with Tenneco Oil Company, followed by employment at Pogo Producing Company, North Central Oil Corporation, and Texas General Petroleum Corp. He founded and managed his own petroleum consulting firm, IDM Engineering, Inc., for more than 10 years before returning to the direct E&P side of the business with assignments at Tatham Offshore, Inc. and Harken Energy Corp. Mr. Gibbon is a licensed professional engineer in the states of Louisiana and Texas and is a member of the Society of Petroleum Engineers, the Society of Petrophysicists and Well Log Analysts, and the Society of Petroleum Evaluation Engineers, where he served as Houston Chapter Chairman and as a member of the national Board of Directors. Ed is also a member of Tau Beta Pi and Sigma Gamma Epsilon honorary societies and a life member of the National Eagle Scout Association.

David Blackketter

Vice President, Acquisitions & Divestitures

David Blackketter is an accomplished Permian Basin petroleum engineer with strong experience in reservoir engineering evaluation work on both conventional and unconventional New Mexico, Permian Basin oil and gas reservoirs.  He began his oil & gas career with Berry Petroleum Company (later acquired by Linn Energy) where he developed high-graded production type curves and Capital Forecasting tools. Read more...

He then joined SM Energy as a reservoir engineer operating assets in the Midland and Delaware Basins. David ended his time with SM Energy as the reservoir engineer for the Business Development team over the Delaware Basin. In addition to divesting SM’s SENM acreage, he evaluated numerous prospects in the basin and developed tools and processes and applied data analytics to streamline the delineation of prospective acreage. David is a member of SPE, WTGS, and ADAM Permian.  David graduated from the University of Texas in 2006 with a Bachelor of Science degree in Electrical Engineering and holds a Master of Engineering Degree in Petroleum Engineering from Texas A&M University. 

Michael F. Monju

Manager, Land & Business Development

As a Certified Petroleum Landman, Michael Monju is a seasoned Land professional with over 20 years’ experience in Petroleum Land work and more than six years’ experience managing all phases of Mineral Land for horizontal well development in the Midland Basin.   Hailing from Lafayette, Louisiana, Michael spent the first half of his career working as a Field Landman in almost every Parish in South Louisiana and also in such diverse areas as the Eagleford Shale in South Texas, the Gulf Coast/Golden Triangle region of southeast Texas, and the Utica Shale play in southeastern Ohio. Read more...

In 2012 Michael began work as a Contract Landman for ConocoPhillips where he managed Conoco’s Bossier Asset Area, covering Robertson, Leon, Madison and Brazos Counties, and which included 49 company operated gas units and multiple “non-op” assets in the heart of the Eaglebine/Woodbine play in central Texas.  He also completed several special projects for Conoco involving Burlington Resources/Louisiana Land & Exploration assets covering nine separate salt domes off the coast of South Louisiana.

In 2014 he moved to Midland, Texas where he joined the Apache Corporation as Sr. Landman for the Powell area in Upton County, one of Apache’s core asset areas for horizontal Wolfcamp development in the Southern Midland Basin, and where Michael maintained the activity of between one and three drilling rigs while increasing drillable inventory by more than 20% and eliminating more than 28% of potential carried interest.

In 2017 Michael was hired as a Staff Landman for Concho Resources where he managed Concho’s Greater Chickadee Area in Upton County, Texas, an area encompassing approximately 65,000 acres, with over 400 producing vertical oil wells and 75 Horizontal Wolfcamp and Lower Spraberry Shale wells, and where he worked closely with COG’s technical team in developing multiyear horizontal development projects, including a group of three-mile-long horizontal wells. He also formulated and implemented strategies to maintain COG’s acreage position for future horizontal development while allowing the team to shut-in or plug many uneconomic vertical wells.

Michael holds a BA, and a Master’s in International Business Studies from the University of South Carolina.  He is also a member of the AAPL and PBLA.

Matt Roberson


Matt Roberson is a 2017 graduate of the University of Texas at Austin, McCombs School of Business Energy Management Program. He began his landman career as an independent landman working in the Permian Basin in January 2018. He has worked on several major leasehold and mineral title projects in both Texas and New Mexico while under contract for Dudley Land Company. Read more...

He has performed title work in the courthouse of a majority of the Permian Basin counties. He has worked with the BLM on federal leasehold and the State of New Mexico Land Office in dealing with New Mexico State Leases as well as with the Texas General Land Office on Texas State leasehold. He worked on a large, in-house asset evaluation and divestiture project for the Midland, Texas based Endeavor Energy Resources (Endeavor) 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. Matt is a member of the AAPL, PBLA and YPE.

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 thirty-five 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. Read more...

Mr. Millican began his career with Exxon Company U.S.A. in 1979 in Lafayette, Louisiana as an associate geologist after graduating from Louisiana State University with a Bachelor of Science in Geology. While at Exxon he was trained in development drilling exploration on mature salt domes onshore and offshore.

Mr. Millican left Exxon in 1982 and began work in Houston with Elf Exploration Inc. where he continued prospect development work in the Gulf of Mexico. While with Elf, Mr. Millican generated over two dozen prospects which led to discoveries in the Brazos, West Cameron, Matagorda Island, High Island areas of over 10 mmbo and 94 bcfg. Between 1996 and 2000, Mr. Millican worked offshore for Allied Natural Gas, an offshore operator in the Gulf of Mexico, and worked onshore for Roberson Oil Co.

In 2001 Mr. Millican began working with Devon Energy Co. in Houston where he performed numerous subsurface offshore geological and geophysical studies and developed deepwater prospects at Orion (MC 110) and Firebird (MC 661-705). Mr. Millican left Devon in 2010 and began with Texas Standard Oil Company. While with Texas Standard, Mr. Millican originated several prospects on the Texas and Louisiana Gulf Coast. Several of those prospects are located at Danbury Dome Field, Brazoria County, Texas. Mr. Millican left Texas Standard in 2012 and went to work with Cathexis Oil & Gas in Houston where he developed several prospects in South Louisiana. Mr. Millican returned to Texas Standard in 2015.

Mr. Millican holds a Bachelor of Science in Geology from Louisiana State University at Baton Rouge, LA, 1979. He is licensed with the Texas Board of Geologists License #6494 and has Co-authored “The Use of Immersive 3D Technology and coustic Impedance Inversion to Drive Real-time Geo-steering of a Horizontal Well”, AAPG Bulletin, Vol. 88, No. 13.

Mr. Millican belongs to the American Association of Petroleum Geologists and the Society of Exploration Geophysicists. He has geological training in NeuraSection, Petrel Geological Modeling (SCM), Basic Log Analysis (Exxon), Drilling and Evaluation (Exxon), Clastic Facies (Exxon), Reservoir Geology (Exxon), Sequence Stratigraphy (Energists), Dipmeter Analysis (Western Atlas), Exploration for Sandstone Reservoirs (OGCI).

He has geophysical training in Professional Level Rock Physics for Seismic Amplitude Interpretation (GTA), Sub-salt Depth Imaging (Seismic City), Inversion Workbench (Jason), SeisWorks Seismic Interpretation, Well Seismic Fusion, LogM (Landmark), Basic Petrel Seismic Interpretation (Schlumberger), Geoquest IESX Seismic Interpretation and is expert in the software applications: Geographix, SMT, SeisWorks, IESX, Petrel, MS Office, ArcView GIS Gulf of Mexico, SmartSection, Neurasection, HIS Power Tools, Petrosys, Devon Qualified Reserve Estimation, Pete Rose Risk Analysis, Exploration Management (OGCI).

Lynn Charuk

Vice President, Geology

Lynn Charuk has over 36 years of petroleum geological experience in the Permian Basin with extensive experience in the unconventional Wolfcamp  and  Bone Spring plays of the Delaware and Midland Basins. During his career, he has generated many significant discoveries in both the Midland and the Delaware Basins, producing over 500 million dollars in revenue. He also has experience in acquisitions and divestitures of properties, while serving in senior management positions for several  operating companies. Read more...

As Co-founder and VP of Exploration with Atlantic Operating,  (backed by Natural Gas Partners) Atlantic  acquired over 40,000 acres in Reeves, Pecos, and Ward Counties. In 2010, Mr. Charuk was involved in drilling several of the first Wolfcamp and 3rd Bone horizontal wells in  the Southern Delaware Basin (Reeves County). Since leaving Atlantic Operating in 2013, he has concentrated on generating Bone Spring and Wolfcamp horizontal prospects in the northern Delaware Basin of southeastern New Mexico, where he has had several significant discoveries. Currently he has interests in projects with Concho, EOG, Marshall and Winston, BTA, SDX, Caza Petroleum, and  Mewbourne  Oil Company. Mr. Charuk is a Certified Petroleum Geologist with the American Association of Petroleum Geologists #6624 and graduated with a B.S in Geological Science from Pennsylvania State University, in 1979.

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 has handled all office administration tasks. Read more...

Ms. Johnson graduated in 1984 from the University of Texas at Austin McCombs School of Business with a B.B.A. in Accounting. She began her career as a JIB analyst with Fina Oil & Chemical in Dallas followed by several years at ARCO Oil & Gas with duties ranging from Leasehold to Inventory Control. While working full-time she passed all four (4) parts of the Texas CPA exam at one sitting and earned an M.B.A. in Management at Amber University.

Ms. Johnson was then hired by First Reserve Oil & Gas where she performed General Ledger, Payroll, Audit Coordinator, Tax Support and Accounts Payable functions. After the sale of First Reserve’s asset portfolio, she worked at Enron Capital Resources to summarize Joint Interest activity and generate Financial Statements. For several months into her tenure at Enron, Ms. Johnson continued to work weekends finalizing the First Reserve operations and administrative functions.

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.