NO20210801A1 - A system and method for production and transfer of fuel offshore - Google Patents

A system and method for production and transfer of fuel offshore Download PDF

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Publication number
NO20210801A1
NO20210801A1 NO20210801A NO20210801A NO20210801A1 NO 20210801 A1 NO20210801 A1 NO 20210801A1 NO 20210801 A NO20210801 A NO 20210801A NO 20210801 A NO20210801 A NO 20210801A NO 20210801 A1 NO20210801 A1 NO 20210801A1
Authority
NO
Norway
Prior art keywords
fuel
vessel
tanker
production means
tanker vessel
Prior art date
Application number
NO20210801A
Other versions
NO347071B1 (en
Inventor
Ben-Tommy Eriksen
Original Assignee
Nornet As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nornet As filed Critical Nornet As
Priority to NO20210801A priority Critical patent/NO347071B1/en
Publication of NO20210801A1 publication Critical patent/NO20210801A1/en
Publication of NO347071B1 publication Critical patent/NO347071B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
    • B63B27/25—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines for fluidised bulk material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/04—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D9/00—Apparatus or devices for transferring liquids when loading or unloading ships
    • B67D9/02—Apparatus or devices for transferring liquids when loading or unloading ships using articulated pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/19—Combinations of wind motors with apparatus storing energy storing chemical energy, e.g. using electrolysis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind turbines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Description

Filed of the invention
[0001] This invention relates to a system and method for production and transfer of fuel at sea, more specifically the productions of fuel offshore and refueling vessels in transit.
Background
[0002] Commercial vessels such as tankers, contrarian, bulk ships and support vessels uses manly fossil fuels or a combination of fossil fuels and electric propulsion. The process of producing and transporting this fuel is extremely resource intensive. Furthermore, the combustion of heavy fuel oil and marine diesel oil from the maritime industries is a massive contribution to the worlds emission of pollution.
[0003] As offshore renewable anergy production has increase with larger wind farms and alternative power plants, the cost of the necessary infrastructure has increase, as it is costly to transfer the produced power from the offshore power farms to onshore grids.
[0004] It is therefore a need for a solution that can transfer the energy produces from offshore wind farms to the merchant fleet or other floating vessels.
[0005] The invention disclosed herein utilizes the fact that energy produced offshore can be transferred to vessels offshore without the need for transferring any material or energy to and from shore-based facilities.
[0006] It is thus an aim of the present invention to produce, transfer and utilize power and fuel at sea.
[0007] It is a further aim of the present invention to overcome the shortcomings of the prior art.
Summary of the invention
[0008] The invention is set forth and characterized in the main claims, while the dependent claims describe other characteristics of the invention.
Brief description of the figures
[0009] These and other characteristics of the invention will become clear from the following description of a preferential form of embodiment, given as non-restrictive examples, with reference to the attached schematic drawings.
Fig. 1 illustrates a geographical overview with a vessel is in transit and the transfer system at sea.
Fig. 2 illustrates an overview of a wind farm and a vessel about to be bunkered in transit.
Fig. 3 illustrates a vessel about to be bunkered in transit.
Fig. 4 illustrates a vessel that bunkers in transit.
Fig. 5 illustrates a tanker vessel being filled with fuel from a renewable power station.
Detailed description of the invention
[0010] Figure 1 illustrates an embodiment of the invention wherein a cargo vessel 6 is on route 7 from a first destination 13 to a second destination 13’. The first and second destination 13, 13’ may be land based ports or harbors or offshore based destinations such as oil riggs and the likes. The floating or bottom supported wind turbine farms 1 and offshore wave power plants 2 produces fuel or other power-intensive products. This fuel that can be produced may be hydrogen, liquid hydrogen or methane through a water electrolysis process or other known processes from with fuel or fuel base products are made. Examples of this is processes such as steam reforming or the combination of nitrogen with hydrogen to produce ammonia via the Haber-Bosch process or the production of nitrogen gas by cryogenic fractional distillation of liquefied air, separation of gaseous air by adsorption, or permeation through membranes. Other processes can be the production of fertilizers, ammonia or aluminum. For the production of hydrogen, electrolysis can be used to split water molecules (H2O) into hydrogen and oxygen, which is known in the art. The farms 1, 2 may be located in areas where freight vessels travel or near common commercial freight routs. The fuel/product is collected and temporarily stored by a tanker vessel 4 that functions as a buffer and refueling vessel. The fuel is transferred from the farms 1, 2 through a transfer member comprising a connection 14 to the tanker vessel 4, that is adapted to store the fuel in tanks 10 and to sail out and meet vessels that needs to refuel or bunker on their journey. Bunkering is the process of refueling a ship or vessel. Both the terms bunkering and refueling is used interchangeably herein. When a freight vessel 6, such as a tanker or container ship, passes, it can bunker 15 at speed in a similar way as planes are refueled in the air and without the need to change course or alter the sailing speed. With this, the energy produced from the power farms 1, 2 does not need to be transferred onshore through expensive infrastructure, and the vessels, herein disclosed as receiving vessel 6, can be bunkered at sea without the need to spend unnecessary time at port to bunker. Furthermore, the fuel produced and provided is more environmentally friendly than conventional heavy fuel oil and marine diesel oil. After the refueling of the receiving vessel 6 is completed, the tanker vessel 4 can travel back to the power farms 1, 2 in a route 3.
[0011] Figure 2 illustrates multiple wind generators 1 that make up a wind farm as the bunkering is about to commence as the receiving vessel 6 follows its planned course 7 and the tanker vessel 4 approves from the aft of the receiving vessel 6. The conduit 5 comprising the drogue 8 extends from a stern portion of the receiving vessel 6. A larger vessel will normally have a greater stopping distance and/or turning radius than a smaller vessel, and because of this it is preferable that the lager receiving vessel 6 is in front of the tanker vessel 4. In an embodiment of the invention the receiving vessel 6 is in front of the tanker vessel 4 in case any of the vessels 4, 6 experiences engine failure, loss of power, loss of steering, or other accidents. The possibly smaller tanker vessel 4 will have a grater chance of slowing down or maneuver out of the way if the possibly larger receiving vessel 6 experiences a breakdown or failure in front, then if the order was reversed.
[0012] In figure 3 the tanker vessel 4 is approaching the receiving vessel 6 from the aft. The receiving vessel 6 extends a conduit 5 from its stern end with a refueling drogue 8 comprising a female connector in its free end. The other end of the conduit 5 is in fluid communication with the fuel system of the vessel 6. The tanker vessel 4 then sails in behind the receiving vessel 6 and connects to the female connector of the drogue 8 from the freighter. Thereafter, fuel and / or other products are transferred between the boats. The operation takes place without the freighter having to change speed and/or course 7. The conduit 5 may be extendable a necessary length and may be stored on a hose reel or the like that can extend and contract or reel out and reel in the conduit 5 by reeling in or out. Tanker vessel 4 is equipped with a male refueling connector 9 on or in the bow portion. The male refueling connector 9 may be situated on a protruding part from the hull of the tanker vessel 4.
[0013] In figure 4 the tanker vessel 4 has reached the refueling drogue 8, and by introducing the male refueling connector 9 into the female connector in refueling drogue 8 thereby creating a locked fluid connection between the tanker vessel 4 and the receiving vessel 6. The male and female connectors 8, 9 may comprise respective coupling portions arranged to releasably lock together respective coupling portions, open and/or close valves, if present, and release the respective coupling portions. The connection created by the interlocking female and male connectors 8, 9 may be remotely operatable as to lock and unlock the connection. The drogue 8 at the end of the conduit or hose 5 may be cone shaped member, with the smaller diameter end pointing towards the receiving vessel 6, or a basket type, to provide resistance in the water and to stable the conduit 5. Furthermore, the drag from the drogue 8 exerts tension on the conduit 5 thereby aiding in extending the conduit 5 and providing guidance for the male connector 9 by the internal cone shape of the drogue 8 that decreases in diameter towards the female connector. The drogue 8 may be of a stiff material to aid the guiding of male connector 9. The male connector 9 will thereby have a larger target to enter compared to the female connector on its own. When the male connector 9 is entered into the female connector of the drogue 8, the connectors locks into each other, and a transfer of fuel from the tanker vessel 4 to the receiver vessel 6 is conducted. The tanker vessel 4 and/or the receiving vessel 6 comprises at least a pump in fluid connecting with the fuel tanks 10 and/or the conduit to transfer the fuel. The receiving vessel 6 comprises bunker tanks to store the fuel transferred.
[0014] When the bunker or refueling operation is complete, the tanker vessel 4 and the receiver vessel 6 is disconnected from the each other by the disconnection of the connectors 8, 9. The receiver vessel 6 continues uninterrupted to its destination and the tanker vessel 4 boat returns to the power farm 1, 2 and continues the collection of fuel from the power farm 1, 2 and waits for the next receiver vessel 6 that needs refueling.
[0015] In figure 5 the tanker vessel 4 is connected to the fuel production conduit 12 to receive and store fuel produced by the renewable energy production means 1, 2 powered by the wind generator 1 and/or the wave power generator. The fuel productions means is not shown in the figures but represented by a windmill 1 and a wave power generator 2. It should be understood that any necessary facility to produce fuel from electric power may be present in the system and method of the invention. The fuel production conduit 12 is connected to a floating buoy to be kept at the desired depth to be compatible with the depth of the male connector 9 of the tanker vessel 4. The fuel production conduit 12 may also comprise a drogue to guide the conduit downstream of the power farm 1, 2 to facilitate easy connection.
[0016] In an embodiment of the invention a fuel transfer system for transferring fuel at sea is provided. The system comprises a tanker vessel 4 comprising a fuel storage 10 and a receiving vessel 6 to receive fuel from the tanker vessel 4 in transit wherein the tanker vessel 4 and the receiving vessel 6 moves or sails in the same direction 7, the receiving vessel 6 comprises an fuel conduit 5 from the stern of the vessel. The conduit 5 may extend through a portion of the vessels hull or be located and stored on deck on a spool-shaped rotating drum. The conduit comprises a first free end and a second end connected to the fuel system or fuel tanks of the receiving vessel 6. The a first end of the conduit 5 comprises a refueling drogue 8 comprising a female connector and the tanker vessel 4 comprises a male refueling connector 9 at or near the bow, wherein the refueling drogue 8 comprising a female connector is adapted to connect to the male refueling connector 9 to transfer 11 fuel from the tanker vessel 4 to the receiving vessel 6 during transit. is in fluid communication with fuel storage 10 on the tanker vessel 4, thereby the male refueling connector 9 being in fluid contact with at least a fuel storage on the receiving vessel 6.
[0017] In an embodiment of the invention the power farm 1, 2 further comprise fuel production means, wherein the fuel production means comprises a female fuel connector 12 adapted to receive and fluidly connect to the male refueling connector 9 of the tanker vessel 4 to transfer fuel from the offshore fuel production means to the tanker vessel 4, to refuel the fuel storage 10. The fuel production means comprises at least an renewable energy production mean 1, 2 comprising a winds generator 1 or wave generator 2 or a combination, capable to produce energy from wind and/or waves and/or currents, and wherein the fuel production means are adapted to produce the fuel from the energy produced by the renewable energy production mean 1, 2. In an embodiment of the invention the fuel production means comprises a water electrolysis system, wherein the water electrolysis system is powered by the renewable energy production means 1, 2, whereby the water electrolysis system produces hydrogen from seawater. The system may also comprise fuel production means adapted to produce methane or liquid hydrogen. These fuel production means are considered to be known in the art.
[0018] It is also provided a method for refueling vessels at sea using a system as disclosed herein. The method comprises the steps of producing fuel at an offshore renewable energy and fuel production means 1, 2 comprising at least a winds generator 1 or wave generator 2 or a combination, capable to produce energy, preferable electric energy, from wind and/or waves and/or currents and produce fuel from that energy using the disclosed known systems synch as electrolysis. The fuel is then transferred the to a tanker vessel 4 and storing the fuel on said tanker vessel 4. The tanker vessel 4 is then shuttled i.e. sailed, to a receiving vessel 6 that is on course to a destination and passes by in the vicinity of the offshore renewable energy and fuel production means 1, 2. The tanker vessel 4 is then fluidly connected to the receiving vessel 6 via the male and female connector 8, 9 during transit. After the connection the fuel from the tanker vessel 4 is transferred to the receiving vessel 6 during transit. After a required amount of fuel is transferred, the tanker vessel 4 is disconnected from the receiving vessel 6, and the tanker vessel 4 returns to the offshore renewable energy and fuel production means 1, 2 to re fuel its fuel tanks 10 and waits for the next passing vessel in need of refueling.
[0019] Although specific embodiments of the invention have been described and illustrated herein, it is recognized that modifications and variations may readily occur to those skilled in the art, and consequently, it is intended that the claims be interpreted to cover such modifications and equivalents and that the scope of protection is defined by the scope of the claims.
Reference numerals
1 Wind generator, wind farm
2 Wave generator, wave generator farm
3 Route for tanker vessel
4 Tanker vessel
5 Extendable fuel conduits from receiving vessel
6 Receiving vessel, commercial freighter
7 Traveling direction of receiving vessel
8 Drogue, female connector
9 Male refueling connector
10 Fuel storage tank
11 Transfer of fuel through conduite
12 Fuel production conduit
13, 13’ Origin and destination of receiving vessel 14 Female fuel connector of fuel production means 15 Bunker at speed

Claims (8)

Claims
1. A fuel transfer system for transferring fuel at sea, the system comprises a tanker vessel (4) comprising a fuel storage (10) and a receiving vessel (6) to receive fuel from the tanker vessel (4) in transit wherein the tanker vessel (4) and the receiving vessel (6) moves in the same direction (7), the receiving vessel (6) comprises an fuel transfer conduit (5) at the stern of the vessel, wherein a first end of the conduit (5) comprises a refueling drogue (8) comprising a female connector, and wherein the tanker vessel (4) comprises a male refueling connector (9) at or near the bow, wherein the refueling drogue (8) comprising a female connector is adapted to connect to the male refueling connector (9) to transfer (11) fuel from the tanker vessel (4) to the receiving vessel (6) during transit.
2. The system in accordance with claim 1, wherein the fuel conduit (5) being in fluid communication with fuel storage (10) on the tanker vessel (4), and the male refueling connector (9) being in fluid contact with at least a fuel storage on the receiving vessel (6).
3. The system in accordance with claim 1 or 2, wherein the fuel conduit (5) comprising the refueling drogue (8) is extendable from the aft of the tanker vessel (4).
4. The system in accordance with any one of the previous claims, wherein the system further comprise fuel production means located offshore, wherein the fuel production means, comprises a female fuel connector (14) adapted to receive and fluidly connect to the refueling connector (9) of the tanker vessel (4) to transfer fuel from the offshore fuel production means to the tanker vessel (4), to refuel the fuel storage (10).
5. The system in accordance with any one of the previous claims, wherein the fuel production means further comprises at least an renewable energy production means (1, 2) comprising at least one winds generator (1) or wave generator (2) or combination, capable to produce energy from wind and/or waves and/or currents, and wherein the fuel production means are adapted to produce the fuel from the energy produced.
6. The system in accordance with any one of the previous claims, wherein the fuel production means comprises a water electrolysis system, and wherein the water electrolysis system is powered by the renewable energy production means (1, 2), whereby the water electrolysis system produces hydrogen from seawater.
7. The system in accordance with any one of the previous claims, wherein the fuel is hydrogen, methane or liquid hydrogen.
8. A method for transferring fuel at sea using the system in accordance with any one of the claims 1-7, the method comprises the steps of:
- producing fuel at an offshore renewable energy and fuel production means (1, 2) comprising at least a winds generator (1) or wave generator (2) or a combination, capable to produce energy from wind and/or waves and/or currents and produce fuel from that energy,
- transferring the produced fuel to an tanker vessel (4) and storing the fuel on said tanker vessel (4),
- shuttle the tanker vessel (4) to a receiving vessel (6) and connecting the tanker vessel (4) in fluid communication to the receiving vessel (6) during transit,
- transferring the fuel from the tanker vessel (4) to a receiving vessel (6) during transit,
- disconnecting the tanker vessel (4) from the receiving vessel (6) when a required amount of fuel is transferred,
- returning the tanker vessel (4) to the offshore renewable energy and fuel production means (1, 2).
NO20210801A 2021-06-22 2021-06-22 A system and method for production and transfer of fuel offshore NO347071B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO20210801A NO347071B1 (en) 2021-06-22 2021-06-22 A system and method for production and transfer of fuel offshore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20210801A NO347071B1 (en) 2021-06-22 2021-06-22 A system and method for production and transfer of fuel offshore

Publications (2)

Publication Number Publication Date
NO20210801A1 true NO20210801A1 (en) 2022-12-23
NO347071B1 NO347071B1 (en) 2023-05-02

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3586065A (en) * 1967-12-26 1971-06-22 Bowles Fluidics Corp Fluid transfer methods and systems
US3754581A (en) * 1971-06-01 1973-08-28 R Taggart Method and apparatus for cargo transfer system
WO2006113436A1 (en) * 2005-04-14 2006-10-26 Morse, Arthur, P. A sea-based hydrogen-oxygen generation system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3586065A (en) * 1967-12-26 1971-06-22 Bowles Fluidics Corp Fluid transfer methods and systems
US3754581A (en) * 1971-06-01 1973-08-28 R Taggart Method and apparatus for cargo transfer system
WO2006113436A1 (en) * 2005-04-14 2006-10-26 Morse, Arthur, P. A sea-based hydrogen-oxygen generation system

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