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- W2025593599 abstract "ABSTRACT The search for hydrocarbons takes place in steadily deeper waters. This fact increases the demand for platforms to operate in water depths beyond the reach of bottom supported structures. This paper presents a floating concrete platform designed for oil and gas production in water depths ranging from 200 mto 600 m. The platform is based on the semi-submersible principle and consists of a submerged caisson and four tapered columns extending above sea level to support the deck structure. A general description of the platform concept is given. The paper also contains information on platform construction and installation. A comprehensive computer simulation has been undertaken for analysis of platform motions and anchor system. Simulation technique and results are presented. INTRODUCTION General CONPROD is a semisubmersible catenary anchored platform made of reinforced concrete. The platform is designed for oil and gas production with the following capabilities integrated in the platform concept:–Crude oil production–Crude oil separation and gas treatment–water and gas re-injection–Living quarters and facilities–Crude oil storage–Export facilities for oil and gas CONPROD is primarily designed for water depths ranging from 200 to 600 m.The platform presented below is the largest platform option developed to day, see Fig. 1. It is designed for operation in 350 m water depth in the Northern North Sea with a peak production capacity of 150,000 bbl/d and an oil storage capacity of 500,000 bbl. The platform operating displacement is 340,000 t and the total top load including the deck structure is 34,000 t. CONCEPT DEVELOPMENT The development of catenary anchored floating platforms within Norwegian Contractors started in 1973 with the development of CONDRILL, a drilling platform in concrete with limited oil production and storage facilities. The experience gained with this concept together with the general CONDEEP know-how was the basis for the CONPROD when the development work started in 1975.Several case studies have been performed forming a continuous development of the platform concept. The bulk of data for this presentation is taken from the concept study worked out by Norwegian Contractors for the Deep Water Production Platform study, conducted by Norsk Hydro A/S 1979–1980." @default.
- W2025593599 created "2016-06-24" @default.
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- W2025593599 date "1980-10-21" @default.
- W2025593599 modified "2023-09-26" @default.
- W2025593599 title "Floating Concrete Platform for Deep Water Oil Production and Storage" @default.
- W2025593599 doi "https://doi.org/10.2118/268-1980-ms" @default.
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