ASRY Completes $3-Mlllion Overhaul Of Mobile Offshore Jackup Drilling Rig Dana

ASRY (Arab Shipbuilding and Repair Yard Company) in Bahrain recently completed, at a cost in excess of $3 million, an extensive overhaul of the mobile offshore rig Dana, owned by Qatar General Petroleum Company. The rig, a jackup Marathon LeTourneau design built in Singapore, is capable of drilling to 20,000 feet in 250 feet of water.

Work on the rig included overhaul of blowout preventer equipment, jacking unit, and substantial piping renewal, as well as attention to drilling mud pumps, lines, and valves, and the cement unit. Other items included the deck cranes, thrusters, rotary drilling table and draw works and console, driller console, and hydraulic power unit.

Though this is the largest work specification so far undertaken for the offshore industry, ASRY is no stranger to such work, having previously repaired the drilling rigs Scan Bay and J.W. McLean, as well as the driilship Williamsburg, and numerous drilling, derrick, pipelay, and offshore construction barges for owners that included Brown & Root, Mc- Dermott, ETPM, and Saipem.

ASRY anticipates that the Dana will be the forerunner to other major rig overhauls from the large number of offshore drilling rigs located in the Arabian Gulf, which remains an important center for offshore exploration.

Other stories from September 1984 issue


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