Retarding deposition of {TAIL ~ paraffin} from crude oil or {HEAD ~ natural gas} with alkaline liquids 
Retarding deposition of { TAIL ~ paraffin } from crude oil or { HEAD ~ natural gas } with alkaline liquids
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH