Invention Grant
- Patent Title: Offshore floating vessel and a method of operating the same
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Application No.: US14785026Application Date: 2014-04-22
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Publication No.: US09630813B2Publication Date: 2017-04-25
- Inventor: Jesper Holck
- Applicant: MAERSK DRILLING A/S
- Applicant Address: DK Copenhagen K
- Assignee: MAERSK DRILLING A/S
- Current Assignee: MAERSK DRILLING A/S
- Current Assignee Address: DK Copenhagen K
- Agency: Buchanan Ingersoll & Rooney PC
- Priority: DK201370220 20130418
- International Application: PCT/EP2014/058126 WO 20140422
- International Announcement: WO2014/170502 WO 20141023
- Main IPC: E21B19/09
- IPC: E21B19/09 ; B66C13/06 ; B63B35/44 ; B66C13/02

Abstract:
An offshore floating vessel includes a hoisting system including a drive for moving connecting device and emergency brakes to inhibit motion of the connecting device; wherein the hoisting system is to be operated at least in a hoisting mode and in an active heave compensation mode; wherein hoisting system is to perform an active heave compensation when operated in the active heave compensation mode and to operate without active heave compensation when operated in the hoisting mode; wherein the emergency brakes are operable in a normally-energized mode including a de-energized state where the emergency brakes engage so as to inhibit motion of the connecting device relative to the floating vessel; wherein the hoisting system is operable in a fixed-to-bottom mode; wherein the hoisting system is to perform an active heave compensation when operated in fixed-to-bottom mode; and wherein the hoisting system is adapted to prevent the emergency brakes from engaging.
Public/Granted literature
- US20160083228A1 AN OFFSHORE FLOATING VESSEL AND A METHOD OF OPERATING THE SAME Public/Granted day:2016-03-24
Information query
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