i) a base platform operable for guiding {HEAD ~ an end} of {TAIL ~ a first pipe} into said wellhole and into interconnection with a corresponding end of a second pipe that is already disposed in said wellhole, 
of
i ) a base platform operable for guiding { HEAD ~ an end } of { TAIL ~ a first pipe } into said wellhole and into interconnection with a corresponding end of a second pipe that is already disposed in said wellhole ,
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH