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Tenvig Offshore's Early Oil Production Ship (continued from page 39) pool will allow for the required riser angles. Turret mooring has been used successfully by several drillships for a number of years by The Offshore Company. The turret- moored drillship Discoverer 534 has drilled in water depths rang- ing from 130 to 3,500 feet. The mooring system permits a moored vessel to alter its head- ing to meet changing sea and weather conditions. Vessel head- ings may be readily changed to minimize motion during well op- erations to provide protective shelter for offloading supply boats or to reduce mooring loads during a storm. Subsea Systems The riser and subsea systems were developed by A S Kongs- berg Vapenfabrikk, who in turn collaborated with Cameron Iron Works on oil tool equipment. Kongsberg has provided arrange- ment, calculations and designs for: riser tensioning and han- dling system; riser body including the riser lower package with uni- versal joint and riser stab-in sec- tion, including isolating valves package, and riser base including retrievable flowline box with tie- in points and valve-less water in- jection and service header mani- folds. Kongsberg has tailormade the arrangement to the BT Turret Production Platform to avoid in- terface problems. Also, the riser handling procedures have been given special attention in order to increase the overall system regularity. The three systems described above are patented. Full details of these three systems may be obtained through Tenvig Offshore A.S, P.O. Box 2315, Solli, Oslo 2, Norway. Todd Gets $25-Million In Navy Overhaul Contracts Todd Shipyards Corporation re- cently received two contracts for overhaul and modification of two U.S. Navy ships. The Los An- geles Division will perform the work on the amphibious dock ship Duluth (LPD-6) at a cost of about $15 million. Conversion of the missile tracking ship Vanguard (TAGM-19) will be done by Todd's San Francisco yard at a cost of some $10 million. $6.3-Million Navy Contract Awarded To Delaval Transamerica Delaval Inc., Trenton, N.J., has been awarded a $6,308,620 fixed-price with econ- omy price adjustment contract for main seawater condensers for the SSN-721 and SSN-722 submarines. Work will be performed at the Condenser and Filter Division, Florence, N.J. The Naval Sea Sys- tems Command is the contracting activity. (N00024-80-C-4044) Peter C. Maschke Joins Omnithruster Peter C. Maschke Peter C. Maschke has been ap- pointed vice president of sales for Omnithruster Inc., according to an announcement by Charles M. Aker, vice president and general manager. Mr. Maschke comes to Omnithruster from Castle & Cooke Foods, where he held positions as manager of foreign operations in the Bumble Bee Panama S.A. Di- vision. He has over 14 years of marine sales experience, 12 of which were with John J. McMul- len Associates, where he directed sales for the Flume Stabilization System, White Gill Thruster, and the Becker Rudder throughout the U.S. and Latin America. CLASS In every class there are always those who stand out. That is us in the marine industry. Mississippi Marine boats have earned laurels from operators and pilots fortheir dependable perform- ance and ease of operation. We have over 100 vessels ply- ing the inland waterways and the Gulf in the hands of satisfied owners. Towboats, barges, and off-shore vessels from Mississippi Marine are RITES the favorites of their class. We re- tain our own naval architects and crafts- men to take your new vessels from the specifi- cation stage through final outfitting and testing. Our dedication to keep abreast of the latest construction tech- niques assures maximum serviceability from each one of our boats. Let us show you our class favor- ites. We'll build you the most boat for your money. Call us. -• T Marine Construction and Repair Specialists P.O. Box 539/Harbor Front Industrial Park/Greenville, MS 38701/Ph. (601) 332-5457 A complete step-by-step guide to medical care for the mariner Here every medical procedure is clearly charted for quick understanding and rapid treatment — from a simple cut to cardiac arrest. A truly unique system for guiding the mariner through any medical emergency treatment procedure. NOWbeing adopted by com- mercial as well as private mariners. The heavy polyvinyl holder with Velcro closure will take a beating, as will each water resistant chart. Unfolded, the charts measure 11" x 17" for easy readability under stress and adverse weather conditions. Prepare you rself and your crew for any medical emergency with this new and unique guide developed by authorities on emergency medical care. $2995 • Enclosed is S29.9SrP1ease ship. • Send additional literature. Mal-kPowleyAss 88 Mali New Canaan, CT 06840 MR Name Address City Zip A new line of inwater cleaning semi-automatic ' equipment for ship hulls BRUSH KART is a hydraulically powered brushing unit, fitted with three rotary sucking brushes. Cleaning proceeds by 4 ft. (1.20m) wide stripes at an operating I speed of 33.44 yds (30.40m) both on vertical walls and flat bottoms. VLCCs can be cleaned within five to six hours during unloading, but only one diver who steers the Kan, effortless and with sufficient visibility. The driving of the Kart requires only a few hours training of the operator, BRUSH KART is extremely robust and requires very limited maintenance. It ensures a high quality cleaning which spares the prQtective coatings. BRUSH KART is currently In use with the U S Navy and the NATO Navy Every 'PHOSMARIN' equipment is manufactured in France only FRANCE NORWAY GREECE HONG KONG BELGIUM GIBRALTAR SPAIN ITALY SINGAPORE PHILIPPINES U.S.A. NOVOROSSISK ODESSA SHARJAH DUBAI JAPAN CHILE CANARY ISLANDS FOR FURTHER INFORMATION PLEASE APPLY TO: PH0CEENNE S/MARINE SERVICE - PHOSMARIN EQUIPEMENT 21. BOUt DE PARIS - 15002 MARSEILLE IFRANCEI • TELEX 501826 PH0SMAR 10 Maritime Reporter/Engineering News
