A subsea material delivery structure, including at least one material storage tank, wherein the material storage tank includes a rigid outer container, at least one pressure balanced inner flexible container. A pinch prevention device may be disposed within the at least one inner flexible container to prevent premature closing of a fluid egress pathway.
A system and process for removing rigid unconsolidated buoyancy material from a subsea facility, disposing rigid unconsolidated buoyancy material to a subsea facility, and recovering said rigid unconsolidated buoyancy material for reuse.
B63C 7/10 - Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which lifting action is generated in, or adjacent to, vessels or objects using inflatable floats external to vessels or objects
B63C 7/12 - Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which lifting action is generated in, or adjacent to, vessels or objects by bringing air or floating bodies or material into vessels or objects
A subsea material delivery structure, including at least one material storage tank, wherein the material storage tank includes a rigid outer container, at least one pressure balanced inner flexible container. A pinch prevention device may be disposed within the at least one inner flexible container to prevent premature closing of a fluid egress pathway.
A process and smart controller for controlling a subsea smart electrical control unit. The process including collecting operating data from one or more devices and one or more control end points, calculating and performing in-situ analytics, and reporting a health and a status of the one or more devices and one or more control end points. The smart controller including one or more external sensors that create local control loops for real time operation, adjustment, and optimization of the controlled end device, wherein the external sensors are used with a smart controller to create one or more control loops.
E21B 41/00 - Equipment or details not covered by groups
G05B 19/4155 - Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
5.
Method to install, adjust and recover buoyancy material from subsea facilities
A system and process for removing rigid unconsolidated buoyancy material from a subsea facility, disposing rigid unconsolidated buoyancy material to a subsea facility, and recovering said rigid unconsolidated buoyancy material for reuse.
B63C 7/10 - Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which lifting action is generated in, or adjacent to, vessels or objects using inflatable floats external to vessels or objects
B63C 7/12 - Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which lifting action is generated in, or adjacent to, vessels or objects by bringing air or floating bodies or material into vessels or objects
A pressure rated well annulus fluid expansion storage device that is capable of managing pressure variation within a well annulus by removing or adding fluid to the well annulus. The well annulus fluid expansion storage device includes an annulus fluid expansion unit containing a well annulus fluid and a working fluid, the annulus fluid expansion unit further includes a moveable partition maintaining the working fluid and the well annulus fluid in separate chambers, a working fluid storage tank that stores the working fluid, an adjustable pressure control valve that maintains a pressure of the working fluid, a working fluid pump that feeds and pressurizes working fluid from the working fluid storage tank into the annulus fluid expansion unit, a check valve that allows flow of working fluid from the working fluid storage tank to the annulus fluid expansion unit, and a flow line for receiving and discharging well annulus fluid.
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
E21B 41/00 - Equipment or details not covered by groups
E21B 33/035 - Well heads; Setting-up thereof specially adapted for underwater installations
E21B 36/04 - Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using electrical heaters
E21B 37/06 - Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting the deposition of paraffins or like substances
A process and smart controller for controlling a subsea smart electrical control unit. The process including collecting operating data from one or more devices and one or more control end points, calculating and performing in-situ analytics, and reporting a health and a status of the one or more devices and one or more control end points. The smart controller including one or more external sensors that create local control loops for real time operation, adjustment, and optimization of the controlled end device, wherein the external sensors are used with a smart controller to create one or more control loops.
A pressure rated well annulus fluid expansion storage device that is capable of managing pressure variation within a well annulus by removing or adding fluid to the well annulus. The well annulus fluid expansion storage device includes an annulus fluid expansion unit containing a well annulus fluid and a working fluid, the annulus fluid expansion unit further includes a moveable partition maintaining the working fluid and the well annulus fluid in separate chambers, a working fluid storage tank that stores the working fluid, an adjustable pressure control valve that maintains a pressure of the working fluid, a working fluid pump that feeds and pressurizes working fluid from the working fluid storage tank into the annulus fluid expansion unit, a check valve that allows flow of working fluid from the working fluid storage tank to the annulus fluid expansion unit, and a flow line for receiving and discharging well annulus fluid.
E21B 37/06 - Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting the deposition of paraffins or like substances
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
9.
METHOD AND APPARATUS TO INSTALL, ADJUST AND RECOVER BUOYANCY ELEMENTS FROM SUBSEA FACILITIES
A system and process for removing rigid unconsolidated buoyancy material from a subsea facility, disposing rigid unconsolidated buoyancy material to a subsea facility, and recovering said rigid unconsolidated buoyancy material for reuse.
B63C 7/10 - Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which lifting action is generated in, or adjacent to, vessels or objects using inflatable floats external to vessels or objects
E02B 17/02 - Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
A liquid storage tank comprising an outer container wherein the outer container is rigid and has at least one inner container disposed within the outer container. The at least one inner container contains at least one stored liquid which may be refilled from a surface vessel or host facility. The at least one inner container is flexible and pressure balanced while the volume of the outer container remains fixed, and the volume of the at least one inner containers is variable. Disposed on the outer container is a balance assembly containing an isolation valve, a check valve, and a flexible bladder. The balance assembly allows for the hydrostatic pressure to be maintained during chemical dosing and tank raising operations.
A liquid storage tank comprising an outer container wherein the outer container is rigid and has at least one inner container disposed within the outer container. The at least one inner container contains at least one stored liquid which may be refilled from a surface vessel or host facility. The at least one inner container is flexible and pressure balanced while the volume of the outer container remains fixed, and the volume of the at least one inner containers is variable. Disposed on the outer container is a balance assembly containing an isolation valve, a check valve, and a flexible bladder. The balance assembly allows for the hydrostatic pressure to be maintained during chemical dosing and tank raising operations.
B65D 90/32 - Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
B63B 35/44 - Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
13.
SUBSEA STORAGE TANK, METHOD OF INSTALLING AND RECOVERING SUCH A TANK, SYSTEM, METHOD TO RETROFIT A STORAGE TANK AND METHOD OF REFILLING A SUBSEA STORAGE TANK
A liquid storage tank comprising an outer container wherein the outer container is rigid and has at least one inner container disposed within the outer container. The al least one inner container contains at least one stored liquid which may be refilled from a surface vessel or host facility, The at least one inner container is flexible and pressure balanced while the volume of the outer container remains fixed, and the volume of the at least one inner containers is variable. Disposed on the outer container is a balance assembly containing an isolation valve, a check valve, and a flexible bladder. The balance assembly allows for the hydrostatic pressure to be maintained during chemical dosing and tank raising operations.
According to one or more embodiments disclosed herein is a method of transporting equipment between sea-surface and seafloor by providing a structure with a subsea equipment package mounted thereon. The structure is used for installation and recovery in a subsea environment by changing the buoyancy of the structure or ballasting the structure to effect a controlled sinking motion.
B63C 7/12 - Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which lifting action is generated in, or adjacent to, vessels or objects by bringing air or floating bodies or material into vessels or objects
B63B 21/50 - Anchoring arrangements for special vessels, e.g. for floating drilling platforms or dredgers
B63B 27/08 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of winches
B63B 27/36 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for floating cargo
B63B 43/06 - Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
B63C 7/02 - Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which the lifting is done by hauling
According to one or more embodiments disclosed herein is a method of transporting equipment between sea- surface and seafloor by providing a structure with a subsea equipment package mounted thereon. The structure is used for installation and recovery in a subsea environment by changing the buoyancy of the structure or ballasting the structure to effect a controlled sinking motion.
B63B 27/08 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of winches
B63B 43/06 - Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
According to one or more embodiments disclosed herein is a method of transporting equipment between sea-surface and seafloor by providing a structure with equipment mounted thereon. The equipment may be liquid storage tanks, pumps, compressors, separators, metering systems, energy sources, communication systems, buoyancy tanks, and the like. The structure is used for disposal and installation in a subsea environment by changing the volume of buoyancy material within at least one buoyancy tank.
E02B 17/02 - Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
B65D 88/78 - Large containers for use in or under water
B63B 35/44 - Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
B63B 25/12 - Load-accommodating arrangements, e.g. stowing or trimming; Vessels characterised thereby for bulk goods fluid closed
B63B 38/00 - Vessels or like floating structures not otherwise provided for
B65D 90/50 - Arrangements of indicating or measuring devices of leakage-indicating devices
B63B 27/08 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of winches
B63B 43/06 - Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
B65D 27/08 - Envelopes or like essentially-rectangular flexible containers for postal or other purposes having no structural provision for thickness of contents with two or more compartments
According to one or more embodiments disclosed herein is a method of transporting equipment between sea-surface and seafloor by providing a structure with equipment mounted thereon. The equipment may be liquid storage tanks, pumps, compressors, separators, metering systems, energy sources, communication systems, buoyancy tanks, and the like. The structure is used for disposal and installation in a subsea environment by changing the volume of buoyancy material within at least one buoyancy tank.
B65D 88/78 - Large containers for use in or under water
B63B 35/44 - Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
B63B 38/00 - Vessels or like floating structures not otherwise provided for
B65D 90/50 - Arrangements of indicating or measuring devices of leakage-indicating devices
B65D 27/08 - Envelopes or like essentially-rectangular flexible containers for postal or other purposes having no structural provision for thickness of contents with two or more compartments
B63B 43/06 - Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
18.
LARGE SUBSEA PACKAGE DEPLOYMENT METHODS AND DEVICES
According to one or more embodiments disclosed herein is a method of transporting equipment between sea-surface and seafloor by providing a structure with equipment mounted thereon. The equipment may be liquid storage tanks, pumps, compressors, separators, metering systems, energy sources, communication systems, buoyancy tanks, and the like. The structure is used for disposal and installation in a subsea environment by changing the volume of buoyancy material within at least one buoyancy tank.
B63B 35/00 - Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
F17C 13/00 - VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES - Details of vessels or of the filling or discharging of vessels
B65D 88/78 - Large containers for use in or under water
19.
LARGE VOLUME SUBSEA CHEMICAL STORAGE AND METERING SYSTEM
A liquid storage tank comprising an outer container wherein the outer container is rigid and has at least two inner containers disposed within the outer container. The first inner container contains seawater, and the second inner container contains at least one stored liquid. The at least two inner containers are flexible and pressure balanced while the volume of the outer container remains fixed, and the volumes of the at least two inner containers are variable. The liquid storage tank is provided for disposal and installation in a subsea environment.
A liquid storage tank comprising an outer container wherein the outer container is rigid and has at least two inner containers disposed within the outer container. The first inner container contains seawater, and the second inner container contains at least one stored liquid. The at least two inner containers are flexible and pressure balanced while the volume of the outer container remains fixed, and the volumes of the at least two inner containers are variable. The liquid storage tank is provided for disposal and installation in a subsea environment.
