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I SSSBP OTC '86 continued 5110 Crack Tip Opening Displacement in Heavy Section Steel Plate and Its Welded Joint Y. Nakano. M Nagayasu. K Ota. S Takizawa. and H. Nishizaki. Kawasaki Steel Corp 5111 Application of the Finite Element Alternating Method to Offshore Structural Fracture Mechanics Analysis H C Rhee. Conoco Inc 5112 A Fracture Mechanics Based Inspection Criterion for Internal Walls of Offshore Wellhead Equipment R E Frishmuth. Cortest Applied Mechanics Inc 5113 Recent Developments in the Reassessment, Maintenance and Repair of Steel Offshore Structures M. Lalani and I.E. Tebbett. Wimpey Offshore Engineers & Constructors Ltd. 5114 Stress Distribution and Crack Initiation Prediction of Tubular X-Joint D.J C Lub. Gusto Engineering C V . and R Zijin. IHC SMIT BV Offshore Instrumentation, Power and Fiber Optic Application • Room 100 OTC 5115 The Benefits of Conducting a Vessel Noise Survey Prior to Installing an Acoustic Sensor J L Roberts. Honeywell Marine Systems Division 5116 Results of the Molikpag Instrumentation System K C Witney. Weir-Jones Engineering Consultants, and V Neth. Gulf Canada Resources Inc. 5117 A Distributed Data Acquisition and Control System for a Semi-Submersible Drilling Rig L.L. Hawn and B A Gordon. Santa Fe Drilling Co. 5118 Composite Power and Optical Submarine Cable for Off-Shore Applications B Cantegrit. C Bayard, and J.P. Trezeguet. Les Cables de Lyon 5119 Marine Applications for a Continuous Fiber Optic Structural Strain Monitoring System D S. McKeehan. Intec Engineering Inc.; R.W. Griffiths, consultant; and J.E. Halkyard, Offshore Technology Corp. 5120 Generation of Electrical Power from the Florida Current of the Gulf Stream J R Farrell. B V. Davis. D. Swan, and K. Jeffers. Nova Energy Ltd Imperial Has Saved More Lives Than Any Other Survival Suit The calls and letters keep coming in-the details are different— but the end result is the same: People who wore an Imperial Survival Suit lived! Imperial kept them afloat, warm and alive, even when freezing waters killed their unprepared mates. One oil rig worker thanked us for saving his life after a hurricane-driven 50-foot wave swept him into the sea for over 20 hours. In another documented case, our Suits enabled four men to survive nine hours in 35°F water and 25 hours on a frigid beach. A pilot who put an Imperial Survival Suit on before he ditched his single-engine plane was rescued in the icy North Atlantic after 10 hours of being battered by 25-foot waves. So far, more than 335 people have informed us they cheated death by wearing Imperial Survival Suits. And that's a small percentage of those who actually put their Imperial Survival Suits to the test. Without an Imperial Survival Suit, cold water kills quickly. Even with a flotation device, the chance of surviving without adequate insulation is remote. Imperial is The World's Best Selling Survival Suit There are nearly 100,000 Imperial Suits in use. With good reason. Imperial's suits are built and backed better. Extensive research and development plus testing of every suit continuously upgrades performance while reducing prices. Our customer service and satisfaction is second to none. And we provide complete education and training both in person and on videotape. Write for details and specifications. Dealer inquiries invited Imperial Manufacturing Co. Post Office Box 4119, Bremerton, WA 98312 U.S.A. Phone (206) 674-2316 Telex 152190 Imperial Brem trpi Face Seal & Adjustable Spray Shield Built-in Whistle Light Pocket Insulates Against Hypothermia High-Rider Ring Waterproof Zippers One-Piece Sealed Construction Built-in Buoyancy, Supports Indefinitely Buddyline Lifting Harness Weighs Only 12 Pounds One Size Fits All Adults Highly Visible Reflective Tape Flame & Fire Retardant material available Ankle Tighteners Non-skid Soles Meets Rigid Standards-Approved By: U S Coast Guard Norwegian Maritime Directorate; Canadian Coast Guard; Canadian Oil: Gas Lands Admin. Underwriters Laboratory Visit us at OTC Booth #8065 Circle 133 on Reader Service Card Pm/BURGH BRASS MANUFACTURING Sandy Hill Rd., R.D. 6 Box 387-A, Irwin, Pa 15642 412/863-0550 - TLX NO. 86-6236 Circle 158 on Reader Service Card The mark of productivity -V When the NISSEN" ball point Metal Marker is on the job. the job gets done faster and more accurately. Because the clog-free NISSEN* Metal Marker makes its mark permanently and neatly, you can be sure your employees will know just what you expect done. And when. Available in three point thicknesses and twelve lead-free colors, the NISSEN Metal Marker gives you chip-proof, run-proof, weather-proof marking on metal, wood, plastic and glass. Even under adverse conditions like extreme heat or rough handling. NISSEN ball point Metal Markers. When they leave their mark, you will, too. Write or call for more information. The mark of efficiency J.P. NISSEN CO. P O Box 188*Glenside. PA 19038*U S A *(215) 886-2025*Telex:83-1445 c 1983, J P NISSEN CO "Registered Trademark J.P. NISSEN CO. Geophysical Interpretation • Room 202 OTC 5278 Pulsed Neutron Log Application in California: Improved Capability via Borehole Decay Correction J L Baldwin. Welex Pitfalls of Amplitude Versus Offset Analysis for Seismic Lithology Prediction G Gassaway. R.A Brown, and L Bennett. Terra Linda Group Inc. Prediction of Abnormal Formation Pressures in Sedimentary Sequence. Offshore Pakistan from Seismic Data H A Raza. Hydrocarbon Development Inst of Pakistan Drilling Prediction Before Drilling: A Panel Discussion Panelists: R.W. Baird. Baird Petrophysicals: D. Louden, L-R Resource Development Group; L McClure, consultant; P Pilkington, Conoco Inc.; D Stone, Seismograph Service; and R. Weakley, Chevron U.S.A. Monday • 2:00 p.m. to 5:00 p.m. General Session—Offshore Technology— A Historical Review • Room 118 Features a review of worldwide developments in offshore technology with keynote presentation by R.J. Howe, President, Pennzoil. Traces developments in offshore technology from exploration to production and transportation—and focuses on challenges of ultra-deep waters and arctic, ice-covered areas. Chronicles the operating challenges in the offshore that have been overcome by application of engineering and scientific principles, and presents a statistical look at pertinent data now and over a period of three decades as offshore technology has evolved to its present state. Ice Mechanics • Room 114 OTC 5127 Non-Simultaneous Failure and Ice Loads on Arctic Structures A C Palmer, Andrew Palmer & Assocs. Ltd. Theoretical and Experimental Prediction of Sheet Ice Forces on Multiple Cylindrical Legs V. Vivatrat and V.L. Chen. Brian Watt Assocs. Inc. Scale Effect and Compressive Strength of Large Volumes of Ice E M. Gershunov, Santa Fe/Braun Analysis of Ice Forces on a Caisson-Type Arctic Platform R. Hakala, Technical Research Ctr. of Finland; A. Joensuu. Wartsila Arctic Research Ctr.; E. Eranti. Finn-stroi Ltd.; and S.S. Gowda, Technical Research Centre of Finland Sea Ice: Concrete Sliding Abrasion Test H. Saeki. Hokkaido U ; Y. Asai, and A. Yoshida. Taisei Corp . T. Takeuchi. Hokkaido U.: and E. Suenaga, Sapporo U. Submarine Breakwaters: A Novel Concept in Wave Shielding E. Melun and J. Stamnes, Norwave. and F.G. Nielsen. K. Herfjord. and T Simonstad, Norsk Hydro a s Tubular Joints • Room 109 OTC 5133 Circle 169 on Reader Service Card 42 Behavior of Tubular T and K-Joints Under Combined Loads Y. Makino and Y. Kurobane, Kumamoto U.. and S. Takizawa and N Yamamoto. Kawasaki Steel Corp Finite Element Analysis of Multi-Brace Non-Coplanar Tubular Joints Q. Chen and N. Liang, Chinese Inst, of Mechanics The Effect of Chord Stresses on the Static Strength of DT Tubular Connections R M. Weinstein. Brown & Root Intl. Inc.. and J A Yura. U of Texas (continued) Maritime Reporter/Engineering News SEMQLNa Liae^of BALL VALVES Made to U.S. Coast Guard & Navy Specifications Complete range of two- way Bronze Valves in choice of alloys with any type of trim, including Monel Featuring sil-braze ends, Navy flanges, detenting handles, blow-out proof stems Shock & vibration tested Sizes: Vt" thru 4" Pressures to 700 psig; temps to 450°F. Also available in Flush Tank, Multi-Port and Manifolded Valves i* FREE CATALOG Fully describes the line and includes Marine system applica- tions. No obligation.