CSS heat wave
What's the best way to operate CSS? What produces the most bitumen and uses the least steam?
Cyclic steam stimulation (CSS) has many variants. One operator steams across patterns using a wave pattern. He believes steaming in a wave pattern introduces more gentle flexing of the overlying caprock, reduces cap rock fractures, lowers steam volume but increases recovery.
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The wave pattern was originally conceived to address thermal surface heave. Operators first used it believing that reduced steam can still improve recovery.
But CSS wave has advanced a long way since it was first used in 2011. Now operators believe that if they inject less at the ends of the pattern, they move the caprock in a smoother way preserving its integrity. They also list other advantages of steaming in a wave.
If you're using CSS and haven't considered wave steaming, you really should look into recent advances.
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Tags: Thermal, Heavy Oil
Granger Low 17 Nov 2016
Reward: Production and cash flow increase
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