Oxidative internal breaker system with breaking {HEAD ~ activators} for {TAIL ~ viscoelastic surfactant fluids} 
for
Oxidative internal breaker system with breaking { HEAD ~ activators } for { TAIL ~ viscoelastic surfactant fluids }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL