FLYTANDE KONSTRUKTION FOER HAVSTEKNIKAENDAMAAL

A floating offshore structure which is moored at a fixed position on the sea by means of mooring hawsers and anchors connected to the ends thereof respectively for conducting a submarine excavating operation from a deck of the structure. The structure includes a moorage hull part provided with a ver...

Full description

Saved in:
Bibliographic Details
Main Authors 3)N YASHIMA, 2)H NARITA, 1)M OSHIMA, 4)H TABUCHI
Format Patent
LanguageSwedish
Published 09.01.1989
Edition4
Subjects
EQUIPMENT FOR SHIPPING
PERFORMING OPERATIONS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
TRANSPORTING
Online AccessGet full text

Cover

More Information
Summary:A floating offshore structure which is moored at a fixed position on the sea by means of mooring hawsers and anchors connected to the ends thereof respectively for conducting a submarine excavating operation from a deck of the structure. The structure includes a moorage hull part provided with a vertical through-hole formed therein for receiving an excavating drill pipe and the mooring hawsers and a movable hull part connected to the moorage hull part so as to be rotatable within a horizontal plane. The movable hull part is constituted as a hull defining the outer wall of the floating offshore structure and connected with the moorage hull part by inserting it into a moorage hull part receiving hole formed at a position closer to the bow thereof. The movable hull part has near its water plane a horizontal section with a substantially oval shape formed by a fore draft part in a substantially circular or polygonal shape with the moorage hull part receiving hole as a center and an after draft part taperingly projecting aft from the fore draft part.
Bibliography:Application Number: SE19830002074