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Santa Fe Drilling's Seven Rigs (continued from page 41) ezuelan oil companies. A British- based affiliate, Taywood-Santa Fe Ltd., is designing and building two fixed-platform rigs for Gas Council (Exploration) Ltd., a sub- sidiary of British Gas Corpora- tion. These fixed platform rigs will be operated by a joint ven- ture, Taywood-Santa Fe Drilling Ltd. James C. Thrane, vice president and manager of capital projects at Santa Fe Engineering Services Company, said his design and con- struction people are as busy now as they have ever been. I Bin . jm m DA BRENT «(t reduce pipe welding costs Brent Christens Cummins-Powered Towboat 'Melinda Brent# Robvon Backing Rings are Qualified for Nuclear Work and Manufactured under the NCA-3800 Program Send For Complete Catalog o ri o BACKING RING COMPANY 365 BLAIR ROAD • P.O. BOX 277 • (201) 574-3674 • TELEX: 138877 ROBVON BACKING RINGS Designed (or quick easy alignment ot pipe or tubing...assure precise close tolerance fit-up...allow complete penetration and fusion o( the weld and radiograph per(ect certitied welds. Patented NUBS automatically set welding gap for the root-pass Internal bevel and Hat inner land assures nonrestricted fluid flow. In Carbon Steel. Chrome Alloys. Stainless. Aluminum and other exotic materials Machined rings and Consumable Inserts to customers' specifications. AVENEL, NEW JERSEY 07001 • U.S.A. • ROBVON WOBE Write 473 on Reader Service Card The Melinda Brent (shown above), an 86-foot inland water- ways towboat, was christened re- cently in New Orleans by her owners, Brent Towing of Green- ville, Miss. Designed and built by Superior Boat Works of Green- ville, the vessel is powered by Cummins KTA-2300-M marine diesel engines generating 1,880 total continuous duty horsepower at 1,800 rpm. Power is transmit- ted to 76-inch, stainless-steel Kahlenberg propellers through Twin Disc MG-540 gears set at 6.18:1. The Melinda Brent is the first of Brent's 18 boats powered by Cummins engines. The company plans to operate the boat primarily on the Illinois River and Chicago area water- ways, where it will transport chemicals to contract customers. The vessel has a beam of 27 feet and a draft of 9 feet. It is the first of two tugs ordered by Brent from Superior Boatworks, a whol- FERIMSTRUM GRI EIMGI COMPLETELY ASSEMBLED R. W. FERIMSTRUM & CO., EXPORT DEPT. MENOMINEE, MICHIGAN, U.S.A. 49858 Phon»: (906) 863-5553 • T»l»x: 26-3493 • Answer Back: FERNSTRUM MNOM Write 352B on Reader Service Card ly owned subsidiary. A retracta- ble pilothouse gives the boat ma- neuverability under low bridges in the Chicago area yet still pro- vides adequate visibility for short runs on the choppy waters of Lake Michigan. Manufacturer's published fuel curves show the 12-cylinder KTA- 2300-M consumes 47.4 gallons per hour under full-load, continuous- duty applications. Aside from fuel efficiency, Brent also looked at power and service considerations before choosing Cummins. "The twin engines give us over 1,800 horsepower—plenty of power for the harbor maneuverability we need with the Melinda Brent," vice president Lea Brent says. The Melinda Brent is also equipped with a Cummins fuel/ oil blender to convert dirty lube oil into a mixture that can be burned with diesel fuel, thereby stretching fuel supplies. The ves- sel is also equipped with four Sarex 10 oil/water separators to filter water and contaminants from fuel. Two Lima 75-kw generators powered by Cummins NT-495 ma- rine auxiliary engines supply power for electronic gear and Gardner-Denver air compressors. Patterson 20-ton deck winches powered by a five-horsepower electric motor secure tow ropes. Communication equipment in- cludes Triton 20 SSB and 55/75 VHF radios. Radar from Furuno and a LAZ-43 depth sounder pin- point potential waterways haz- ards. Paneled quarters for the eight- man crew are located on the main deck and a spacious galley fea- tures full-size range, refrigerator and dishwasher along with a col- or television. The Melinda Brent is equipped with a full array of warning and safety equipment including Kahlenberg air horns, Carlisle & Finch searchlights, Perko navigation lights, and An- sul fire extinguishers. Brent Marine Supply Company outfitted the boat, while Cum- mins Mid-South, Inc. of Jackson, Miss., supplied both the main pro- pulsion engines and the auxiliary generator sets. 42 Maritime Reporter/Engineering News
