System and method for heading control of a floating LNG vessel using a set of real-time monitored hull integrity data
First Claim
1. A system for offshore production of liquefied natural gas (LNG) from a floating liquefied natural gas (FLNG) vessel, wherein the system is connected to a natural gas receiving system, the system for offshore production of LNG comprising:
- a FLNG vessel comprising a hull and a deck;
a topsides hydrocarbon processing facility installed at or above the deck of the hull of the FLNG vessel;
a FLNG vessel cargo containment system comprising one or more insulated FLNG vessel cryogenic storage tanks installed within the hull of the FLNG vessel, the FLNG vessel being un-moored to a sea bed so as to facilitate dynamic positioning of the FLNG vessel during system operation;
a dynamic positioning control system operatively associated with a system of thrusters onboard the FLNG vessel wherein the dynamic positioning control system maintains the FLNG vessel at a desired heading around a station keeping point during LNG production operations; and
,a computer processor for receiving a set of real-time monitored environmental data, wherein the computer processor is programmed with a mathematical algorithm to;
(i) compare the set of real-time monitored environmental data to a set of stored set points held in a data storage means;
(ii) generate a heading control correction signal when the set of real-time monitored environmental data exceeds or falls below one or more of the set of stored set points for the FLNG vessel; and
(iii) transmit the heading control correction signal to the dynamic positioning control system;
wherein the set of real-time monitored environmental data includes a set of real-time monitored hull integrity data associated with a level of strain experienced by the hull of the FLNG vessel, and the set of stored set points held in the data storage means includes a set of hull integrity set points.
2 Assignments
0 Petitions
Accused Products
Abstract
A system for offshore production of LNG from an FLNG vessel includes a floating LNG vessel including a hull and a deck, a topsides hydrocarbon processing facility installed at or above the deck of the hull of the FLNG vessel, an FLNG vessel cargo containment system including one or more insulated FLNG vessel cryogenic storage tanks installed within the hull of the FLNG vessel, a dynamic positioning control system operatively associated with a system of thrusters onboard the FLNG vessel where the dynamic positioning control system maintains the FLNG vessel at a desired heading around a station keeping point during LNG production operations, and a computer processor for receiving a set of real-time monitored environmental data.
24 Citations
20 Claims
-
1. A system for offshore production of liquefied natural gas (LNG) from a floating liquefied natural gas (FLNG) vessel, wherein the system is connected to a natural gas receiving system, the system for offshore production of LNG comprising:
-
a FLNG vessel comprising a hull and a deck; a topsides hydrocarbon processing facility installed at or above the deck of the hull of the FLNG vessel; a FLNG vessel cargo containment system comprising one or more insulated FLNG vessel cryogenic storage tanks installed within the hull of the FLNG vessel, the FLNG vessel being un-moored to a sea bed so as to facilitate dynamic positioning of the FLNG vessel during system operation; a dynamic positioning control system operatively associated with a system of thrusters onboard the FLNG vessel wherein the dynamic positioning control system maintains the FLNG vessel at a desired heading around a station keeping point during LNG production operations; and
,a computer processor for receiving a set of real-time monitored environmental data, wherein the computer processor is programmed with a mathematical algorithm to; (i) compare the set of real-time monitored environmental data to a set of stored set points held in a data storage means; (ii) generate a heading control correction signal when the set of real-time monitored environmental data exceeds or falls below one or more of the set of stored set points for the FLNG vessel; and (iii) transmit the heading control correction signal to the dynamic positioning control system; wherein the set of real-time monitored environmental data includes a set of real-time monitored hull integrity data associated with a level of strain experienced by the hull of the FLNG vessel, and the set of stored set points held in the data storage means includes a set of hull integrity set points. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
-
-
20. A method for offshore production of LNG from an FLNG vessel, the FNLG vessel comprising a hull and a deck, a topsides hydrocarbon processing facility installed at or above the deck of the hull of the FLNG vessel, and a FLNG vessel cargo containment system comprising one or more insulated FLNG vessel cryogenic storage tanks installed within the hull of the FLNG vessel, the method comprising:
-
maintaining, via a dynamic positioning control system that operates a system of thrusters onboard the FLNG vessel, the FLNG vessel at a desired heading around a station keeping point during LNG production operations and while the FLNG vessel is un-moored to a sea bed; receiving a set of real-time monitored environmental data; and via a computer processor; comparing the set of real-time monitored environmental data to a set of stored set points held in a data storage means; generating a heading control correction signal when the set of real-time monitored environmental data exceeds or falls below one or more of the set of stored set points for the FLNG vessel; and transmitting the heading control correction signal to the dynamic positioning control system; wherein the set of real-time monitored environmental data includes a set of real-time monitored hull integrity data associated with a level of strain experienced by the hull of the FLNG vessel, and the set of stored set points held in the data storage means includes a set of hull integrity set points.
-
Specification