Our Team


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Gib BrownPresident & Manager

Gib is President and Owner of H&L Exploration, LLC as well as its affiliate, H&L Operating Company, LLC. He earned his BS in geology in 1976 from the University of Texas at Austin and his MS in geology in 1979 from West Texas A&M University. Gib worked as an exploration geologist for Pennzoil (Houston), CIG Exploration (Amarillo), and Pogo Producing Company (Oklahoma City) prior to joining H&L in 1980. In 1999, he acquired half interest in H&L Operating. In 2008, Gib formed H&L Exploration for the sole purpose of drilling and operating horizontal Cleveland wells. In 2011, he purchased remaining interest in H&L Operating. Gib’s expertise lies in the conventional and unconventional reservoirs in the Mid Continent. He is a member of AAPG, PGS, SIPES, PPROA, OCGS, and KGS.

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Randy O’NealManager of Engineering

Randy O’Neal serves as H&L’s Operations Manager. Randy holds both BS and MS degrees in civil engineering from Texas A&M University. Randy’s career in the oil and gas industry began in 1976 and has included Texas Pacific Oil Company, Sun Texas Co., and JCR Jr. Operating Co. In 1988, he co-founded Canyon Exploration Company which he sold in 2001. He then founded S&R Energy/Stonetown Properties LTD to explore for oil and gas in the Texas Panhandle. In 2010, he joined H&L in the early stages of the horizontal Cleveland program to provide drilling and completion expertise. His responsibilities include production engineering, reservoir engineering, and drilling and completion engineering. He is a registered Professional Engineer in the State of Texas and past president of the Panhandle Producers and Royalty Owners Association (PPROA). He is a member of the Society of Petroleum Engineers (SPE).

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Mike ToddManager of Geology

Mike is Manager of Geology for H&L Exploration. Mike earned his BS in geology from West Texas A&M University in 1981. His years of experience in exploration geology include previous employment with Spur Petroleum, Crouch Petroleum, and Slawson Oil Company. Since joining H&L in 2008, Mike has been instrumental in the exploitation and development of H&L’s horizontal Cleveland reserves. Mike is a member of the Panhandle Geological Society (PGS) and the Panhandle Producers and Royalty Owners Association (PPROA).


Sergio CarbajalAccounting Manager

Sergio serves as the Office Manager for H&L. Sergio earned his bachelor’s degree from the University of New Mexico in 2001. Sergio joined the staff of H&L in 2013, bringing with him more than a decade of management and administrative oversight experience. Sergio’s responsibilities include management of all accounting functions as well as oversight of support staff for both the Amarillo and Perryton offices. In addition, Sergio manages IT, oversees owner relations, and provides additional support for the Land Department. Sergio is married and the father of three girls, including twins.

Luis CortezOperations Superintendent

Luis Cortez is Operations Superintendent for H&L, and has served in this capacity since joining the company in 2006. Luis contributes over 17 years of experience in the oil and gas industry, including previous work as a roustabout, pumper, construction hand, and rig supervisor. Luis is married, has four children, and enjoys spending time with his four grandchildren. In his spare time, Luis enjoys performing charity work.

Beverly RobinsonProduction Accounting & Reporting Specialist

Beverly joined the staff of H&L in June 2011 and currently serves as Production Accounting and Reporting Specialist providing production information to the Texas General Land Office, Texas Railroad Commission, and government agencies in both Oklahoma and Kansas. Beverly has over 35 years of experience in the oil and gas industry and has worked for the Oil Development Company of Texas, the Coline Corporation, and Santa Fe Energy. Her expertise lies in accounting, corporate planning, and capital budget and forecasting. Beverly has ten grandchildren and five great-grandchildren. She and her husband are active members of Pleasant Valley Christian Church in North Amarillo.

Shea RasconPerryton Office Manager

Shea Rascon is the H&L Perryton Office Manager and has served in this role since 2010. Shea’s responsibilities include yard inventory, field communication and reports. Shea also helps oversee accounts payable. Shea has over a decade of experience in the oil and gas industry. Her previous employment includes serving as District Secretary for BJ Services and as an Administrative Assistant for Beautech Inc. Outside of work, Shea enjoys time with her husband, kids, and granddaughter.