Dr.Robello Samuel has been a Halliburton Fellow(Drilling Engineering) in the Drilling, Evaluation division of Halliburton since 1998. He has over 25 years of experience in domestic and international oil/gas drilling and completion operations, management, consulting, research and teaching. His skills include well planning, design, cost estimates, supervision of drilling and completion operations, personnel and technical review, project management, and creative establishment of project relationships through partnering and innovation. Presently, he is a technical and engineering lead for well planning application suite for drilling, completions, and well services operations. He has been an educator in USA, Venezuela, Mexico and India. Also he is an adjunct professor for the past six years in the Petroleum program of Chemical Engineering and Mechanical Engineering Technology departments at the University of Houston; teaching advanced drilling, downhole tools and technologies and complex well architecture courses. Dr. Samuel has written or co-written more than 100 journal articles, conference papers and technical articles. He has given several graduate seminars at various Universities. Dr.Samuel has been the recipient of numerous awards including the “CEO for A Day (Halliburton)”award. He is presently serving as a review chairman on the Society of Petroleum Engineers (SPE) Drilling and Completions Editorial Review Committee, Journal of Energy Resources Technology, reviewer of projects of Natural Sciences and Engineering Research Council of Canada, editorial board member of Journal of Petroleum Science and Engineering and co-chairman of SPE Multilateral Technical Interest Group. He has also worked at Oil and Natural Gas Corporation, India from 1983 to 1992 as a drilling engineer. Dr. Samuel holds B.S. and M.S. (mechanical engineering) degrees from University of Madurai (Madurai) and College of Engineering, Guindy, Anna University (Chennai), M.S. and Ph.D. (petroleum engineering) degrees from Tulsa University. He is a member of ASME, SoR, and SPE. He is also the author of “Downhole Drilling Tools-Theory and Practice for Students and Engineers”, “Advanced Drilling Engineering- Principles and Designs” and coauthor of “Drilling Engineering” books. Dr. Samuel can be reached via e-mail at robellos@hotmail.com.