Canadian oilfield services company Resero under a license agreement with GC “Viateh” conducted pilot test in ultrasound treatment of bottomhole zone at low-rate wells in heavy oil reservoirs.
Treatment performed by ocsillators conveyanced by wireline cable with immediate productivity growth. Oil flowrate increased 8-times of normal operating mode for one of the well candidates, for the rest of treated wells – effect was observed in range of 2 to 7-fold production growth. A single treatment effect persisted up to 7 days.
Single stimulation proved that installation of oscillators for continuous operations will allow to keep productivity rate at level of 700-800% from initial and will require to power up oscillators just for 30 minutes daily