In some embodiments, the step of producing an orifice includes hydraulic fracturing of {HEAD ~ the substrate} with {TAIL ~ the paraffinic fluid} 
In some embodiments , the step of producing an orifice includes hydraulic fracturing of { HEAD ~ the substrate } with { TAIL ~ the paraffinic fluid }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL