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ing domestic drilling contracting firms, formed in 1921, is a wholly owned subsidiary of Noble Affil- iates, Inc. It owns seven platform rigs, three shallow-water mobile rigs, three inland barge rigs, and 34 land rigs. Named the Ed Holt, the over- all dimensions of the triangular- shaped rig are 200 feet by 186 feet by 23 feet. The 414-foot-long four-chord square-truss legs al- low the vessel to drill in water depths up to 300 feet to a maxi- mum well depth of 25,000 feet. Approximate cost of this rig is $37 million. Design criteria of the canti- levered unit make it capable of operating under the harshest weather conditions. This self- elevating platform will be able to withstand winds of up to 109 knots and seas of 50 feet. Accom- modations will be provided for a crew of 54. Alfa-Laval Separators Offered In Two Series —Literature Available An eight-page illustrated bro- chure describing the capabilities of two series of MAB separators for marine and mineral oils has been published by Alfa-Laval Inc., Fort Lee, N.J. The company's 200 and 100 series are depicted with photo- graphs and dimensional drawings of the units in which components are identified. An installation chart and specifications also are included. The MAB 200 separator series has five models of high-speed cen- trifugals which are designed to remove impurities from mineral oils in a continuous process. The two-model 100 separator series is designed for smaller capabilities. For a free copy of the brochure, Write 10 on Reader Service Card The Ed Holt, a Class 111-C self-elevating mobile offshore drilling unit, is launched at Levingston Shipbuilding Company, Orange, Texas. Levingston Launches The Ed Holt, First Of Two Jackups For Noble Drilling Levingston Shipbuilding Com- drilling rigs for Noble Drilling pany, Orange, Texas, recently Corporation of Ardmore, Okla. launched the first of two jackup Noble Drilling, one of the lead- SPECIALIZED CRAFT FROM SHIPBUILDING & REPAIR CO., INC. • 150 FT. X 74 FT. MECHANICAL BANK GRADER FOR U.S. ARMY CORP OF ENGINEERS • NEW BUILDING IN STEEL UP TO 250 FT. • ABS OR U.S.C.G. IF REQUIRED • FAST DELIVERY • PERFORMANCE BONDS AVAILABLE ALSO TOPSIDE & ON DOCK REPAIRS FROM g^ENDER MURRAY. AHEAD-FULL with Marine Boiler Tubing • 4700 FT. WATERFRONT • 1,500, 3,500 AND 7,OOOTON FLOATING DOCKS •60 TO 125 TON FLOATING, MOBILE, STATIONARY CRANE • MACHINE SHOP ABS APPROVED FOR SHAFT BUILD UPS P.O. BOX 42, MOBILE ALA. 36601 • TEL: JOHN LOGAN NEW BOAT SALES MGR. TOM ELLISON VICE PRES. REPAIR JOE HENDRIX WEST COAST REP. (206) 282-9631 Here's Why • We specialize in marine boiler and pressure tubing. • We have one of the largest stocks in the nation. • We have a comprehensive file of engineering drawings & specifications of leading boiler manufacturers. • We have fully integrated fabrication facilities. Our work conforms to specifications of American Bureau of Shipping, U.S. Navy & Coast Guard, Lloyd's, Veritas, and ASME when required. For speedy action call Watts line listed below. 800-631-5410 201-354-1200 — In New Jersey IVl l_J 1=1 R AY MARINE DIVISION MURRAY TUBE WORKS Division of A.B. Murray Co., Inc. FABRICATION SPECIALISTS P.O. Box 476, Elizabeth, New Jersey 07207 District Branches: NEW YORK • PITTSBURGH • PHILADELPHIA • BOSTON • CLEVELAND 38 Write 431 on Reader Service Card Write 274 on Reader Service Card
