The pumping apparatus is bouyant and comprises a barge structure carrying {HEAD ~ a compression system} having {TAIL ~ a plurality} of pumping units disposed substantially colinearly along the length of the barge structure 
having
The pumping apparatus is bouyant and comprises a barge structure carrying { HEAD ~ a compression system } having { TAIL ~ a plurality } of pumping units disposed substantially colinearly along the length of the barge structure
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH