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