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RESEARCH PAPERS: Offshore Mechanics/Ocean Engineering

Evaluation of Structural Steel Castings for the Hutton Tension Leg Platform

[+] Author and Article Information
N. Ellis

Conoco (UK) Ltd., London, U.K.

M. M. Salama

Conoco, Inc., Ponca City, Okla. 74603

D. V. Beggs

Standard Oil Company (Indiana), Amoco Research Center, Naperville, Ill. 60566

J. Energy Resour. Technol 106(2), 234-239 (Jun 01, 1984) (6 pages) doi:10.1115/1.3231044 History: Received May 31, 1983; Revised October 28, 1983; Online October 22, 2009

Abstract

The use of steel castings as major structural elements of the Hutton tension leg platform represents a relatively novel concept. In order to ensure that these castings would provide adequate service, an extensive testing program was undertaken to assess variations in chemical composition and mechanical properties of prototype castings. In addition, a rigorous acceptance procedure for production castings was developed. The results of these programs showed that steel castings possessed adequate strength and toughness. Also, a welding procedure was developed which consistently produced sound weld repair and satisfactory joints between cast and plate steel.

Copyright © 1984 by ASME
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