Denis has over thirty five years of experience specializing in conventional and staged hydraulic fracturing and horizontal and multi-lateral drilling technology. He has worked extensively internationally completing work and training assignments in Europe, North Africa, Asia and South America. He has delivered many technical workshops and courses for the Canadian Petroleum Training Institute on topics such as Hydraulic Fracturing, Unconventional Gas, Heavy Oil Development, Horizontal Drilling, Completions, Production Operations and Well Workover Technology. He has used his extensive, practical work experience with Halliburton, Nowsco and Fracmaster as a basis for his current consulting activities and training programs.