|Title of Invention||
OFFSHORE PLATFORM FOR DRILLING AFTER OR PRODUCTION OF HYDROCARBONS
|Abstract||Platform for drilling after or production of hydrocarbons at sea, consisting of a semi-submersible platform body (2) which supports drilling and/or production equipment on its upper surface. The platform body (2) is designed as a vertical mainly flat bottomed cylinder which is provided with at least one peripheral circular cut-out (5, 30, 35, 36) in the lower section of the cylinder since the center of buoyancy for the submerged section of the platform (1) is positioned lower than the center of gravity of the platform.|
Offshore plat_form_fo_r drilling after or production of hydrocarbons
pitching angles above 2 to 4 degrees, It is therefore very important to get a reduction
desigr of the cut-out arrangements and
of strength as for a ship, Other materials like concrete, can also be used.
body 38 undermeath the lower cut-out 36 has in this case the same diameter as the
Patent c 1 a i m s
9. A platform according to one of the preceding claims, characterised in that the platform body (2) includes a number of tank sections comprising tanks (24) for storage of 0 1, ballast or other liquids.
10. A platform according to one of the preceding claims, characterised in that the platform body (2) is provided with a double bottom and with double sidewalls, the spaces defined by the double bottom and the sidewalls being divided into a number of ballast tanks (21,22).
11. A platform for drilling after or production of hydrocarbons substantially as herein described with reference to the accompanying drawings.
1758-chenp-2003 power of attorney.pdf
1758-chenp-2003 abstract granted.pdf
1758-chenp-2003 claims granted.pdf
1758-chenp-2003 description(complete) gratned.pdf
1758-chenp-2003 drawings gratned.pdf
|Indian Patent Application Number||1758/CHENP/2003|
|PG Journal Number||07/2009|
|Date of Filing||07-Nov-2003|
|Name of Patentee||SEVAN MARINE AS|
|Applicant Address||HAMMAREN 23, 4056 TANANGER|
|PCT International Classification Number||B63B 35/44|
|PCT International Application Number||PCT/NO02/00170|
|PCT International Filing date||2002-05-08|