When the resulting water and {HEAD ~ alkaline chemical} are mixed with {TAIL ~ the heavy crude oil} in the presence of ultrasonic stimulation, a semi stable to stable emulsion is rapidly formed which has a dramatically lower viscosity than the untreated viscous oil 
are mixed with
When the resulting water and { HEAD ~ alkaline chemical } are mixed with { TAIL ~ the heavy crude oil } in the presence of ultrasonic stimulation , a semi stable to stable emulsion is rapidly formed which has a dramatically lower viscosity than the untreated viscous oil
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH