The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 30, 2018

Filed:

Jan. 15, 2016
Applicant:

Single Buoy Moorings Inc., Marly, CH;

Inventors:

Oriol Rijken, Houston, TX (US);

Kent Davies, SanDiego, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63B 35/44 (2006.01);
U.S. Cl.
CPC ...
B63B 35/44 (2013.01); B63B 2035/442 (2013.01); B63B 2035/448 (2013.01); B63B 2035/4486 (2013.01);
Abstract

A floating, offshore vessel having surface-piercing columns (e.g., a semi-submersible or a tension leg platform) has means for storage of liquid hydrocarbon liquids inside one or more columns. Hydrocarbon liquids may be stored in only two of the four columns typically found on a semi-submersible, thereby providing a safe-zone where the living quarters are located. A column houses at least one hydrocarbon storage (cargo) tank and at least one variable ballast tank, where the weight capacity of the hydrocarbon cargo tank(s) is approximately equal to the weight capacity of the variable ballast tank(s). The hydrocarbon cargo tank(s) and the variable ballast tank(s) are positioned in such an orientation that the horizontal center of gravity of the cargo tank(s) is (nearly) identical to the horizontal center of gravity of the variable ballast tank(s). Both the hydrocarbon cargo tank and the variable ballast tank may be directly accessible from top-of-column.


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