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Overseas Decides To Build Four Tankers At NASSCO Without Differential Subsidy Overseas Shipholding Group, Inc. (OSG), 511 Fifth Avenue, New York, N.Y. 10017, has an- nounced that it has decided to order four U.S.- flag 89,000-deadweight-ton tankers without dif- ferential subsidies, which are primarily intended for use in the U.S. domestic trades. The company has reached an agreement in principle with Na- tional Steel and Shipbuilding Co. (NASSCO) for the construction of these vessels, three of which are to be delivered in 1977 and one in early 1978. This agreement replaces a previously an- nounced agreement with NASSCO which con- templated differential subsidies for the same ves- sels. OSG will have a 60 percent interest in the four vessels, which have a total purchase price of $120,000,000. These four new buildings will raise OSG's U.S.-flag tanker fleet to in excess of one million deadweight tons. Joint Venture To Build New Super Class Rig Ocean Drilling & Exploration Company of New Orleans, La., and Fearnley and Eger, Oslo, Norway, shipping 'firm, have announced the formation of a joint venture which seeks to build and operate a new super class of semisubmersible drilling rig for use in previ- ously inaccessible areas of the world. According to a joint announcement by Ocean Drilling president Alden J. Laborde, and Fearnley and Eger executive vice president E. Kristen-Johanssen, the new rig has been designed to drill from a floating position in water depths up to 1,500 feet and with modi- fications to 3,500 feet, using conventional moor- ing systems. "The proposed new super class rigs will pave the way for exploration in geologically promis- ing provinces under the most challenging sea and weather conditions. "In addition to having greater drilling depth capability, the new class will also have greater working and storage areas," Mr. Laborde and Mr. Kristen-Johanssen said. Invitations to bid on construction of the first of the new units will be forwarded to selected European, American, Canadian and Japanese shipyards. It is anticipated that a contract for con- struction of the new unit will be awarded in September of this year, the two executives said. Indame, S.A. Licensed To Produce And Market MMC Sonic Probes For Spain An exclusive license to manufacture and service the 'MMC line of Sonic Point and In- terface Probes for Spain has been awarded to Indame, 'S.A. of Bilbao, Spain, by Marine Moisture Control 'Co., Inc. of Inwood, N.Y., according to Charles S. Schmukler, president of the Inwood corporation. Both the MlMC Sonic Point and Interface Alarm Systems are solid state, with no moving parts subject to mechanical breakdown. They were developed in response to a marine re- quirement for precise and thoroughly depend- able tank limit and liquid interface remote monitoring devices for liquid level control and pollution prevention. The systems have earned a broad range of regulatory body approval worldwide. They can be furnished as intrinsically safe for use in hazardous areas, and are also available on special order for cyrogenic service to —350°F. Indame, S.A. will provide Spanish language sales literature, and is prepared to accept and service Spanish orders immediately. MODULAR SYSTEMS can save you about $75,000 per ship! Auxiliary tube oil system for marine use designed and manufactured by Modular Systems In a recent MARAD report, in which modular construction is recommended, such savings are specifically defined. They average about $70,000 for an oil/bulk/ore carrier or cargo ship, and exceed $83,000 for a container ship or barge carrier. These figures are based on the use of the eight different types of systems normally employed on such vessels with steam propulsion. These include fuel oil, lube oil, seawater service, bilge and ballast, fresh water, fresh water cooling, feed and condensate, and compressed air. By more extensive use of packaging you can save even more. In addition to saving money, modular systems relieve shipyards of the re- sponsibility of engineering, drafting, purchasing, assembly, inspection and test- ing. In each system, scores of components are preinstalled in a shop and then installed on the ship on one foundation. May we show you what Modular Systems can do for you? MODULAR SYSTEMS Division of WARREN PUMPS [UJoUDAILLE 1259 ROUTE 46 PARSIPPANY, NEW JERSEY 07054 PHONE: 201/335-4154 TELEX: 138562 ^erformaqce Plus This versatile, high accuracy digital system provides precise ships speed and distance traveled information. Pulse mode and CW mode depth capabilities overlap to ensure operation in all water depths. The Model 582C is installed on vessels worldwide and boasts an impressive record of proven performance and high reliability, placing it far ahead of all other types of speed logs on the market. CI/uAM. 2645 South 300 West, Salt Lake City, Utah 84115 • (801)486-7481 August 1, 1973 19