The Offshore Division of Houston Ship Repair, Inc. (HSR) has recently completed two major rig upgrades for Global Marine Drilling Company. HSR was selected as the primary contractor for the re-powering and mud system enhancement stages of the Glomar Baltic I upgrade project. The Marathon LeTourneau Super 300 jackup drilling rig was re-powered with five Caterpillar type 3516 TA V, 1,305 kW diesel generator sets, replacing the three existing EMD diesel engine driven 1,400 kW generators. HSR was also contracted to replace the two existing National 12-P-160 mud pumps with three National 14-P-220 mud pumps. HSR removed the existing generator and mud pump units…
