Dr. Ivor Ellul
President / Founder

Dr. Ivor R. Ellul began his career in the oil and gas industry in 1980, in West Germany, as a design engineer on pipeline and storage tank systems. After specializing in the modeling of multiphase flow in pipelines, he worked for a number of years in the area of numerical modeling of single and multi-phase pipelines under steady-state and transient conditions. Ivor R. Ellul has been involved in various pipeline simulation studies for clients worldwide. Recent experience includes various executive positions in the upstream area of the oil and gas industry. He is a member of the Society of Petroleum Engineers, Institute of Energy, Chartered Engineer with the United Kingdom Council of Engineering Institutions. He has published more that 20 technical papers and reports and is a Board Director of the Pipeline Simulation Interest Group (PSIG). Dr. Ivor Ellul speaks English, French, German, Italian and Maltese.

Dr. Ivor Ellul holds a Bachelor of Science in Mechanical Engineering from the University of Malta, a Master of Science and Doctorate in Petroleum Engineering from Imperial College, University of London.

Robert Archer
Vice-President / Founder

Robert Archer has 20 years of petroleum experience in the areas including North Sea, Australia, Indonesia, and the Gulf of Mexico.  His expertise is in the field of subsurface uncertainty quantification and integrated reservoir field studies with a focus on reservoir performance predictions.  Prior to his employment with Knowledge Reservoir, he was a Senior Reservoir Engineer at British Petroleum for the Crosby Field project.  He was also a Reservoir Engineer in the Houston Technology Group executing modeling studies for Milne Point, Alaska, Bruce Field in the North Sea, and the In Salah gas project, Algeria.  Since co-founding Knowledge Reservoir, he has been focused on the business development of the subsurface consulting practice.  He is a member of Society of Petroleum Engineers of AIME, the American Association of Petroleum Geologists and the European Association of Geoscientists and Engineers.

Mr. Archer holds a Master of Science in Petroleum Engineering from University of Houston and a Bachelor of Science in Geological Geophysics from University of Reading.