Joint SNAME/ASNE/MTS Meeting Hears Paper On Offshore Platforms

The fourth meeting of the 1983- 84 season of The Society of Naval Architects and Marine Engineers Los Angeles Metropolitan Section was held aboard the SS Princess Louise I. Some 100 members and guests attended this joint meeting with the American Society of Naval Engineers and the Marine Technology Society. Prior to the technical portion of the evening, each organization provided news and announcements.

The guest speaker at the meeting was Dan Friedman, vice president and general manager of Fluor Offshore Services of Irvine, Calif. His presentation, accompanied by slides and movies, was titled "An Update of the Offshore Platform Industry." Mr. Friedman began with a chronology of offshore oil drilling developments beginning in 1896.

Drilling and production offshore southern California began early in this century utilizing trestles and crude wood pile structures in very shallow water. Pictures were shown of a few of these early platforms.

The author then reviewed some aspects of current technology.

Conventional steel jacket structures, steel and concrete gravitybased structures, and floating platforms were examined. Deepwater applications also were discussed, including tension leg platforms, Exxon's guyed tower, and fixed buoyant towers. Methods of problem solving are important in developing the more recent applications.

These include model testing, full scale empirical data, and new metallurgical information. He stressed the use of computer design tools such as three-dimensional frame analysis, environment loads dynamics, and fatigue analysis.

Mr. Friedman concluded by showing two interesting films. The first covered the deployment of CONOCO's barge-launched jacket structure in 500 feet of water at the Murchison Field in the North Sea. The second film showed the construction in Norway and towing of a 200,000-ton concrete, gravity-based production platform destined for the Frigg Field in 200 feet of water.

Maritime Reporter Magazine, page 47,  Apr 1984 Joseph F. Pizzino

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