US2002069810A1PendingUtilityA1

Polygonal section spar platform for drilling and production

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Assignee: HYUN DAI HEAVY IND CO LTDPriority: Dec 11, 2000Filed: Mar 5, 2001Published: Jun 13, 2002
Est. expiryDec 11, 2020(expired)· nominal 20-yr term from priority
Inventors:Keh-Sik MinIn Kyu ParkHyun-Soo Sin
B63B 2035/442B63B 35/4413B63B 2241/08B63B 1/048E02B 17/00
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Claims

Abstract

The present invention relates to a polygonal section spar platform for drilling and production, which can raise efficiency in process and production and reduce manufacturing costs by making a section of a drilling and production spar platform in a polygonal shape. The drilling and production spar platform comprises a ballast tank, a spar hull, a mooring fairleader, a trim tank and a fixed ballast, wherein the spar hull, which is an underwater portion of the drilling and production spar platform, has a section being in the form of a polygon. By such spar platform, the present invention can largely increase the manufacturing performance and production and promote a general operational efficiency.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A drilling and production spar platform comprising a ballast tank, a spar hull, a mooring fairleader, a trim tank and a fixed ballast, 
 wherein the spar hull which is an underwater portion of the drilling and production spar platform, has a section being in the form of a polygon.

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