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Launching ceremony for the L-907 offshore rig at Daewoo's Okpo shipyard Daewoo Delivers $74-Million Offshore Rig Atlantic Drilling Company, a member of the Ben Line Group of the United Kingdom, will receive a semisubmersible drilling rig built by Daewoo Shipbuilding and Heavy Machinery Ltd., Seoul, Korea. The rig was christened Benreoch at Daewoo's Okpo Shipyard. The $74-million rig is a Friede and Goldman L-907 self-propelled facility, 270 feet long, 203 feet wide, and 116 feet in height frorrt the keel to the main deck. It has living quarters for 100 persons. The L-907 can drill to a depth of 25,000 feet in water up to 1,500 feet. It is built to endure winds of 110 knots, waves of 100 feet and temperatures of 20 degrees below zero Centigrade. Atlantic Drilling will charter the rig to Tricentrol Exploration Overseas Ltd. of England, which will use it to explore waters off the coast of New Zealand. Daewoo's Okpo Shipyard has de- livered four semisubmersible rigs, three going to U.S. firms and one to England. Watercraft America Inc. Offers Free Color Brochure On Enclosed Survival Craft Watercraft America Inc., Edge- water, Fla., presents a line of to- tally enclosed survival craft used on cargo ships, drilling ships, oil- tankers and offshore platforms. Features include: automatic self righting, water spray cooling, compressed air system, wide doors, control console, hook release, Lister diesel engine and USCG approved. For a free, four-color brochure, Write 76 on Reader Service Card 'Now...with our Marine Travelift, we are not limited by our railway,' Bill Stevens, President Stevens Towing Co. Yonges Island, S.C. sJ Q t" • jfMI L "Rough handling in European ports," continues Mr. Stevens, "created a need for an efficient haul out and repair facility for our bulk cargo barges. We have eight in the yard right now and haul about 15 a month plus our own tugs and a variety of army tugs and shrimp boats. We have two railways but they restrict us to one job per railway. Now there is no limit on our operation." Find out how top marine operators gain maximum yard utilization . . . reduce haul out time as much as 90% . . . cut labor costs up to 50% and develop high profit new business with the world's largest mobile boat hoist. Contact your local distributor or — mRRinEiRS TftRVELIFTnc 49 East Yew St., Sturgeon Bay, W! 54235 • 414-743-6202 Telex: TRAVELIFT STGB 260056 Marine Travelift 1SOAMO hauling a 61 ft. long 31 ft. wide — 14 ft deep "Lash Barge." Barges can be stacked two high to conserve yard space. WILDEN AIR OPERATED DOUBLE DIAPHRAGM PUMPS offer • No Electrical Connections • Abrasion Resistant • Self priming • Submersible • Variable volume and pressure • Portable • Simple Clamp band construction • Write for free literature and prices In Water. . one stands alone It also stands up to chemicals, grout, resin, oil, glue and low density powders. The heart of the Wilden air-oper- ated double diaphragm pump is its unique air valve which shifts the air supply to both dia- phragms alternately with com- plete reliability under all condi- tions of head and flow. Up to 90% solids and over 250' heads are no problem for the WILDEN PUMP. Our double diaphragm design cuts velocity in pump to half total discharge velocity. The most abrasive slur- ries are handled with ease since there are no seals and no metal to metal contact. Volume is infinitely variable by controlling air flow to pump, from a few gallons per minute to over 14,000 gallons per hour. No pressure relief valve is required and the pump can run dry inde- finitely. Wilden pumps are available with wetted parts in aluminum, cast iron, stainless steel, and Hastel- loy C. Non-wetted parts in alu- minum or cast iron. Elastomers in Neoprene, Buna N, Nordel, Viton®, and Teflon®. WILDEIM PUMP & ENGINEERING CO. 22069 VAN BUREN ST., P.O. BOX 845, COLTON, CALIFORNIA 92324/ (714) 783-0621 / TELEX 676-452 October 1983 Write 546 on Reader Service Card Write 582 on Reader Service Card 39
