Page 12: of Maritime Reporter Magazine (November 15, 1983)

Offshore Drilling Rig Sedco 602

Delivered By Promet Shipyard

Sedco 602, a medium-sized, semisubmersi- ble drilling rig, was delivered recently by Pro- met Private Limited shipyard of Singapore.

This rig is owned jointly by Sedco Inc. and Oc- cidental Exploration and Production Com- pany. Mrs. Sally Martin, wife of the presi- dent of Occidental, christened the rig.

Designed by Earl & Wright, the new rig can operate in water depths of 25 to 180 feet. The mooring tensioner riser, and drill fluid sys- tems have been designed for exploratory and development drilling to 20,000 feet. The de- sign of this semisubmersible makes it partic- ularly useful in parts of the world where drill- ships are inefficient and the cost of using semisubmersibles uneconomical.

The Sedco 602's main deck measures 170 by 170 feet. It has living quarters for 88 crew members and other facilities that include a hospital and a recreation room with cinema area. Sophisticated equipment onboard in- cludes a closed circuit television and satellite communications system. The rig is equipped with two deck cranes having booms of 100 feet and lifting capacities of 50 tons. Also fitted is a helideck able to take the weight of a fully loaded Sikorsky S-61N helicopter.

Sedco 602 is classed by the American Bu- reau of Shipping and is built to requirements and specifications of the U.S. Coast Guard and the Intergovernmental Maritime Organiza- tion. It will operate first in the Philippines then go to China for drilling operations.

This rig is the third semisubmersible built by Promet. In the first half of 1983 the Sin- gapore yard delivered two similar rigs of the

SEDCO 600 series.

Sedco Inc. is one of the world's largest inter-

Sedco 602 rig has main deck 170 by 170 feet and can drill to 20,000 feet in water depths from 25 to 180 feet. Living quarters for crew of 88 include hospital and recreation room. national drilling contractors, operating a fleet of more than 40 offshore units around the world. Occidental Exploration and Production, established for 22 years, is well known in the field of oil exploration, production, and refining.

Uniroyal Fendering To Be

Fitted On ARAMCO Tug —Literature Available

Components of an extruded EPDM/butyl fendering system receive the final inspection at the Uniroyal Engineered Systems plant in Mishawaka, Ind., prior to shipping to the

ARAMCO maritime company for use on one of its 6,000-bhp Water Tractor tugboats.

Neal Olsen (right) Uniroyal senior product engineer, measures the widths and dimen- sions of two units while employee Tom Mont- gomery (left) stencils numbers. According to

Mr. Olsen, it takes 186 pieces of 47 different designs to outfit a typical ARAMCO tug. Uni- royal, which already has supplied fendering for three of the company's tugs, developed the numbered unit system to simplify installa- tion. The synthetic rubber fendering is able to withstand both hot and cold temperature ex- tremes without cracking or losing its shock- dampening capabilities. Mr. Olsen said the biggest challenge in producing the custom-de- signed fendering system was keeping the die properly adjusted. The metal plate inside each piece of fendering also has to be perfectly aligned so that mounting studs can be in- serted. Uniroyal is one of the largest fender- ing producers in the world.

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