Steam-cleaning heavy crude

Steam injection is effective for increasing recovery from subsurface heavy crude or bitumen accumulations. Some projects do produce these resources with cold production, but recovery expectations are low, in the range of 5-10% of initial oil in place. With steam injection, recoveries in some projects may exceed 70%.As discussed in the lead article in the Production Report, p. 39, the next decade will have a host of new steam projects starting in Alberta that will contribute greatly to the province’s plans for exploiting its estimated 174 billion bbl of heavy-oil resource out of the 1.69 trillion bbl in place.But Alberta is not alone in having large heavy crude accumulations. These r...

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