One or more mud pump {HEAD ~ 10 pump mud} from the pits through {TAIL ~ the fill line} 12 and into the interior of the drill pipe DP 
One or more mud pump { HEAD ~ 10 pump mud } from the pits through { TAIL ~ the fill line } 12 and into the interior of the drill pipe DP
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH