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Thermal Recovery of Oil and Bitumen Roger M. Butler
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Patent #: Gaseous and solvent additives for steam injection for thermal recovery of bitumen from tar sands. The candidate should have managed several different aspects of heavy oil/bitumen production, including strategic planning, prospect generation, operations, and thermal recovery development. STEAM ASSISTED GRAVITY DRAINGE (SAGD) The most promising thermal recovery technology is the Steam Assisted Gravity Drainage (SAGD) process. Method of in-situ recovery of viscous oils or bitumen utilizing a thermal recovery fluid and carbon dioxide. In this article, I will look briefly at what the oil sands are, how Heat, pressure, and the activity of bacteria transformed the carbohydrates into hydrocarbons, and crude oil was formed. Shell, for instance, is working on a "novel thermal recovery process"--embedding large electric heaters in the deposits and literally cooking the earth. Albertans have always known that in the northern part of their province, there are vast deposits of bitumen--black, tarlike goo that is mixed with sand, clay, water and oil. Solid tar sand bitumen is mined and liquified in surface plants. Kerogen in oil shale is a solid that is either The ultra-heavy oils are recovered in situ by heat injection, mostly as steam. There are approximately 2.5 trillion barrels of the stuff, the largest on figuring out how to get the dirtiest possible oil out of the hardest-to-reach places. Before we delve into various environmental issues including the social impact of the oil sands development, it is important to understand the properties of oil sands and how bitumen is recovered using different technologies. Technology in the recovery of such reserves is advancing rapidly and suddenly this huge country with produced oil rates and reduced production costs. With some experts predicting peak oil as early as 2030, there is more and more interest in so called "unconventional resources" such as heavy oil and bitumen.