Steam distillation effects improve thin, light-oil reservoir recoveries

A study has shown that steamflooding distillation effects would improve crude recovery from thin reservoirs with less viscous crude.Steam distillation means that steam injection will cause some volatile components of the crude to enter a vapor phase.At present, the industry mostly uses steamflooding for exploiting heavy oil reservoirs. In recent years, however, some interest has been shown in using steamflooding for recovering crude from thinner reservoirs containing lighter crudes.1 2 One example of a successful application was a reservoir in the NPR-3 oil field in Wyoming.The reservoir was first developed in 1922, but its primary recovery was only 5%. In 1985, steam injection started in...

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