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John Colbert - Vice President, Drilling & Operations

John is a recognized pioneer in horizontal drilling and managed pressure drilling applications. John previously owned and was President of Trebloc Drilling Engineering, LLC. He was involved in shale gas development at Carrizo Oil & Gas where he served as Project Manager of New Ventures. He was directly involved with early horizontal drilling operations with Apache, Clayton Williams, Chesapeake, and Santos U.S.A. As an early pioneer in managed pressure drilling, John served as Vice President of Operations for Signa Engineering. He was the first to develop an engineered approach to mud cap drilling, which was used on Shell's Cogollo project in Venezuela. John's horizontal and underbalanced well experience extends to over seven countries & and over 21 unique formations. He has expertise in HPHT wells including offshore deep-water. John received his BS amd MS in Petroleum Engineering with honors from Texas A&M University.