The present invention is directed to a power system consisting of a non buoyant metal structure for powering motor or pump selected for {HEAD ~ cleaning}, filling, {TAIL ~ chemical treating}, pigging, hydrostatic testing or dewatering the pipeline that are in a skid subsea near the pipeline 
The present invention is directed to a power system consisting of a non buoyant metal structure for powering motor or pump selected for { HEAD ~ cleaning } , filling , { TAIL ~ chemical treating } , pigging , hydrostatic testing or dewatering the pipeline that are in a skid subsea near the pipeline
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH