WES Enhanced Recovery Delivery Platforms
Through its simple but novel delivery systems, WES has improved the operating frontier of thermal stimulation techniques. By overcoming substantive heat and energy losses otherwise encountered, WES has improved the utility and economics of thermal EOR and stimulation methods, in two entirely different ways.
Greatly improved steam quality
Installed on or near the well-pad, the Supercritical Steam Stimulation System, “S4”, operates within the efficient frontier only afforded by a system which can maintain supercritical steam (having no phase difference between liquid and gas). Steam quality for S4 compares to conventional steam (through a once through steam generator, or OTSG) as shown in the chart, with steam quality differences improving even further at deeper depths.
Elimination of transmission and distribution losses
The well-bore installed Downhole Steam Stimulation System overcomes heat and energy losses by generating the steam at the point of contact with the reservoir, effectively “on the fly” steam delivery, eliminating transmission and distribution losses. Typical heat quality losses at subsurface depths of 2,500’ – 6,500’ are 50% - 70% or higher; by generating steam downhole, in the formation, WES substantially overcomes these transmission losses.