With over 35 years’ experience in the petroleum industry as a drilling engineer, he specializes in well control methods and training, deep water drilling, dual gradient drilling, under-balanced drilling, managed-pressure drilling, extreme high-temperature/high-pressure rheology, cementing, XHPHT gas kicks, and well abandonment. Dr. Schubert has extensive industry experience with Pennzoil Company and Enron Oil and Gas, as well as in academia at the University of Houston-Victoria’s Petroleum Training Institute, and at Texas A&M University since 1994.