Sabinal Energy, LLC

Dan Higdon, Executive Vice President Land


Dan is an innovative and accomplished Certified Landman with over 30 years of technical land and management experience. He was Vice President of Land for EXCO Resources, Inc., from 2013 to 2016. Prior to EXCO, Dan developed his leadership and technical skills at Devon Energy Corporation where he was Vice President of Land for Devon's Southern Division from March 2006 to March 2013. From January 2002 to March 2006, he was the Central Division Land Manager overseeing the Barnett Shale asset during the advent of the drilling of horizontal drilling in unconventional shales.  His career began at Mitchell Energy in 1983, and he held various Land positions culminating as Regional Land manager coordinating the acquisition of the Barnett Shale asset until Devon acquired Mitchell in 2002. 

Mr. Higdon holds a BBA in Petroleum Land Management and Marketing from the University of Texas - Austin, and an MBA with a concentration in Accounting from the University of Texas - Arlington.

Bret Jameson, President & CEO

With 28 years of experience across the basins within Sabinal's focus, Bret has established himself as a value creator and strong leader. He has led teams in some of the most active plays in the industry and utilized creative solutions to develop and explore those areas. Bret is highly focused on team collaboration utilizing everyone's technical expertise and creativeness. He drives value creation by establishing operational excellence and focusing on financial returns. 

Most recently, Mr. Jameson was Chief Operating Officer to Lewis Energy Group operating in the Western Eagleford play where he brought his experience in large shale plays to improve returns. One of his achievements was adding 100 MM/day incremental production with less than a four month payout through production optimization. This role included operations with company owned rigs and personnel. Prior to Lewis Energy, Bret helped Devon Energy in multiple roles including Business Unit VP in the Anadarko Basin managing the Cana Woodford, Granite Wash, and early testing of the Stack play. He led the effort to expand Devon's focus on unconventional exploration and created the New Ventures group to advance opportunities in North America. This culminated in acquiring over 1.2 MM acres across five plays and developing a innovative exploration JV wherein a third of the position was sold to Sinopec for $2.5 billion delivering more than a 4 ROI. As VP of Reservoir Engineering for Devon, Bret helped the Central Division develop the newly acquired Barnett Shale after the Mitchell Energy acquisition. This was the first commercially successful horizontal shale development, and it led the way for the proliferation of shale development across North America.

Bret holds a Bachelor of Science degree in Petroleum Engineering from Texas Tech University. 


Chris McMahon, Executive Vice President Technical

Chris McMahon is Executive Vice President - Technical for Sabinal Energy, LLC.  He is responsible for the company’s technical evaluations, asset planning and development and field reservoir management. He has more than 33 years in the petroleum business as a petroleum engineer and manager.  His experience includes working petroleum basins throughout North America and around the world.  He is known for his attention to detail and work ethic. 

Prior to joining Sabinal, Mr. McMahon was employed by Devon Energy serving in various management and engineering roles, and most recently as Vice President - Eagle Ford Development.  Prior to this assignment, he was Vice President - Acquisitions and Divestitures, and led the effort in the acquisition of Devon’s Eagle Ford shale position from Geo Southern in 2013 for $6B.  He was also instrumental as Engineering Manager of New Ventures, leading the technical team which built the key concepts and data room used in the Devon-Sinopec Joint Venture, valued at $2.5B. Mr. McMahon started his career as an engineer with Occidental (Cities Service) Petroleum in 1982 working the Texas-Louisiana Gulf Coast; he has also worked East Texas, Mid-Continent, Rockies, Canada, Bolivia, Ecuador, Argentina, Yemen, Russia, Venezuela and Trinidad.  Notable previous assignments include - country manager of Samson Russia, managing Samson’s Perchoraneftegas Joint Venture based in Moscow, and country manager of Vintage Petroleum’s Bolivian operation based in Santa Cruz, Bolivia. 

He earned a Bachelor of Science degree in Petroleum Engineering from the University of Tulsa.