WO2017038524A1 - Installation flottante au large des côtes et procédé d'alimentation électrique pour installation flottante au large des côtes - Google Patents

Installation flottante au large des côtes et procédé d'alimentation électrique pour installation flottante au large des côtes Download PDF

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Publication number
WO2017038524A1
WO2017038524A1 PCT/JP2016/074346 JP2016074346W WO2017038524A1 WO 2017038524 A1 WO2017038524 A1 WO 2017038524A1 JP 2016074346 W JP2016074346 W JP 2016074346W WO 2017038524 A1 WO2017038524 A1 WO 2017038524A1
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Prior art keywords
power generation
facility
facilities
equipment
production
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PCT/JP2016/074346
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English (en)
Japanese (ja)
Inventor
雅晴 中山
浩太朗 高野
真理 岡安
樹人 大隣
Original Assignee
三井造船株式会社
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.)
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Application filed by 三井造船株式会社 filed Critical 三井造船株式会社
Priority to CN201680040050.XA priority Critical patent/CN107709153A/zh
Priority to KR1020177037051A priority patent/KR20180051443A/ko
Priority to SG11201801626VA priority patent/SG11201801626VA/en
Publication of WO2017038524A1 publication Critical patent/WO2017038524A1/fr

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    • 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
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B49/00—Arrangements of nautical instruments or navigational aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J3/00—Driving of auxiliaries
    • B63J3/04—Driving of auxiliaries from power plant other than propulsion power plant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J99/00—Subject matter not provided for in other groups of this subclass
    • 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
    • B63B2035/4433—Floating structures carrying electric power plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J3/00—Driving of auxiliaries
    • B63J2003/001—Driving of auxiliaries characterised by type of power supply, or power transmission, e.g. by using electric power or steam
    • B63J2003/002—Driving of auxiliaries characterised by type of power supply, or power transmission, e.g. by using electric power or steam by using electric power

Definitions

  • the present invention relates to a floating offshore facility and a power supply method for a floating offshore facility, and more specifically, a space for a power generation facility in a production facility area on an upper deck can be reduced.
  • a floating offshore facility that can increase the space for facilities for production as a facility and can also disperse the risk when a power system trouble occurs in a power generation facility, and a floating offshore facility
  • the present invention relates to a power supply method.
  • FPSO floating production storage and loading equipment
  • FSO floating type storage and loading equipment
  • Floating offshore facilities such as LNG, FSU (floating body storage facility), and LNG handling FLNG (liquefied storage and loading facility) are generally engaged in production activities while maintaining their position on the ocean by mooring etc. And temporary storage of products.
  • Floating offshore facilities equipped with this production facility are generally equipped with cargo tanks that temporarily store oil and gas, which are products, below the upper deck, and the production facilities are placed on the upper deck. is doing.
  • the area around the cargo tanks and production facilities for products that generate flammable gas is considered a hazardous area, and explosion-proof equipment is used.
  • VLCCs large tankers
  • This floating offshore facility has the following circumstances different from ordinary ship construction.
  • Production equipment designed to match the characteristics of the oil well is generally installed after the hull is built. Therefore, details are often not decided at the time of designing on the hull side, and the parts related to the production facility area are changed according to the specific conditions of each floating offshore facility. There is a tendency that the mounting on the top is likely to be just before the delivery date.
  • FIGS. 7 and 8 in the floating offshore facility 1X, there are about 2 to 8 units in the production facility area Rp on the upper deck 3 (in FIG. 7, 3 units ⁇ 2 horizontal rows).
  • a group of power generation equipment 40X composed of six gas turbine generators is provided. Then, with one group of power generation equipment 40X installed on the upper deck 3, power for production equipment, power for cargo handling equipment (loading pump device, etc.) other than power for production equipment, power for residential areas, etc. All the electric power required for the floating offshore facility 1X is generated and supplied.
  • power generation facilities as all power sources for facilities other than production facilities including production facilities and cargo handling (offloading) are collectively arranged in the production facility area. Therefore, if a power system trouble occurs in the production facility area, all of the power for the production facility, the cargo handling device, the residential area, etc. will be lost, and all these devices will be stopped. Emergency generator (for emergency offloading) will be equipped separately.
  • this power generation facility for example, as described in Japanese Patent Application Laid-Open No. 2004-17805, it relates to an electric propulsion ship, and has a plurality of generators and an engine that drives the generator. Multiple power generation units that are detachably attached can be selectively operated and supplied according to the amount of power required to drive a motor that rotates a propeller for propulsion and a power consuming device other than this motor. Power generation facilities for electric propulsion vessels have been proposed.
  • propulsion with low-speed diesel may be performed in the same way as a normal tanker, but in this case, the low-speed diesel propulsion device used for propulsion cannot be removed after arrival at the production site, and there is a problem that it becomes disposable.
  • the present invention has been made in view of the above-mentioned situation, and the object thereof is to reduce the space for power generation equipment in the production equipment area on the upper deck, for production as offshore equipment.
  • a floating offshore facility for achieving the above object includes a production facility supplied with power by a power generation facility and a facility other than the production facility, and is used in a state of being held on the ocean.
  • the power generation facility supplies power to the production facility and supplies power to a first group of power generation facilities disposed in the production facility area above the upper deck and facilities other than the production facility.
  • a second group of power generation equipment arranged in a safe area other than the production equipment area.
  • the “production equipment” here includes equipment such as oil processing equipment, gas processing equipment, water treatment equipment, and control system for processing crude oil or natural gas.
  • the first group of power generation facilities that serve as a large-scale power generation device (for example, 100 MW class) that supplies power to the production facility, and the medium-scale power generation device (for example, 10 MW class) that supplies power to facilities other than the production facility
  • the power generation equipment is divided into the second group of power generation equipment, which are arranged in a production equipment area and a safety area (for example, a machine room).
  • the first group of power generation equipment is located in the production equipment area above the upper deck
  • the second group of power generation equipment is located in the safety area excluding the production equipment area and the hazardous area.
  • a part of the first group of power generation equipment which is conventionally composed of large-scale power generation equipment installed in the production equipment area, is installed in a safety area other than the production equipment area.
  • the upper deck where the equipment is installed is widely available.
  • the second group of power generation equipment that supplies power to equipment other than the production equipment does not have to be arranged in the production equipment area above the upper deck, so the first group of power generation equipment is arranged accordingly. Can be reduced, and the space for facilities for production as offshore facilities can be increased.
  • the second group of power generation equipment can be used for equipment other than the production equipment, such as cargo handling equipment and residential area equipment.
  • the power generation plants are separated according to use for power supply to production facilities and for power supply to facilities other than the production facilities, it is possible to construct a power plant that is not affected by one failure or trouble.
  • the power generation equipment of the second group is composed of a dual fuel diesel generator called DFDE (Dual-Fuel-Diesel-Electric) that can be driven by both heavy oil fuel and gas fuel.
  • DFDE Dual-Fuel-Diesel-Electric
  • the dual fuel diesel generator has a higher degree of freedom in the supply and exhaust facilities than the gas turbine generator. As a result, the degree of freedom in selecting the installation location of the second group of power generation facilities is greatly expanded. This makes it possible to easily arrange the second group of power generation facilities in a safety area other than the production equipment area on the upper deck.
  • the power generation equipment of the second group can be used without waiting for the completion of the power generation equipment of the first group, it is directly related to the production equipment such as cargo handling equipment, residential area equipment and possibly propulsion equipment. This makes it possible to grasp and verify the required performance of facilities that do not.
  • the power generation equipment of the second group is configured to supply power to operate the cargo handling equipment in an emergency
  • the power generation equipment and the installation location thereof are divided according to use, so that the power generation equipment of the second group in the safety area Since the generator for emergency cargo handling (for Emergency Offloading) can also be used, the generator for emergency cargo handling can be reduced.
  • the floating-type offshore facility is configured to include a connection destination changing mechanism that electrically connects the power generation facility of the first group and the power generation facility of the second group, and the connection destination changing mechanism includes , Power interchange between the first group of power generation facilities and the second group of power generation facilities in parallel, or all of the power supply by the other power generation facility by operating one of the power generation facilities or
  • the power generation equipment of the first and second groups arranged in the safety area other than the production equipment area and the production equipment area as an emergency response.
  • an unplanned amount of power supply is required in the event of an emergency in the event that one group's power generation facilities fail, production facilities fail, or accidents occur, or some of these power generation facilities are undergoing maintenance and inspection. Even in this case, mutual power feeding is possible, and a sufficient power feeding system can be secured. That is, even if a part of the power generation equipment of one of the groups breaks down, it can be compensated for each other, and can flexibly cope with an emergency.
  • the power generation capacity of the second group of power generation facilities is configured to be 5 MW to 30 MW.
  • the second group of power generation facilities includes a plurality of power generation facilities, and when the plurality of power generation facilities are separated and arranged at two or more locations, In the event of a failure or accident in the area where one of these power generation facilities is located, or when some of these power generation facilities are unscheduled during maintenance Even when the amount of power supply becomes necessary, a sufficient power supply system can be secured. That is, even if one power generation facility of the second group power generation facility breaks down, it can compensate for each other. In addition, the space per location can be reduced with respect to the location where the second group of power generation facilities is arranged.
  • the location of the power generation equipment of the second group is on the upper deck on the stern side of the machine room and the production equipment area, on the upper deck on the bow side of the production equipment area, and on the production equipment area.
  • the inside of the hull on the bow side, the inside of the hull on the stern side of the production facility area, the inside of the superstructure, the location above the superstructure, or some combination of locations can be selected.
  • the floating offshore facility includes a propulsion unit, a propulsion unit that drives the propulsion unit, and a voyage facility, and supplies power for operating the propulsion unit and the voyage facility from the power generation facility of the second group.
  • the machine room engine room
  • a propulsion motor propulsion shaft, propeller, inverter, etc.
  • a part of the upper structure is equipped with a bridge, and this bridge is equipped with navigation facilities.
  • the floating offshore facility when the floating offshore facility is moved, it is not necessarily installed in the state in which the first group of power generation facilities are installed, or the production facility is operated and the gas produced by the production facility is used as fuel. Even when navigating in such a state that the first group of power generation facilities cannot operate, it is possible to navigate without waiting for the completion of the first group of power generation facilities.
  • the power generation equipment of the second group for power supply to equipment other than production equipment so that power can be supplied to both cargo handling equipment and propulsion equipment, both of these equipments can be used simultaneously. Therefore, the power generation equipment of the second group can be shared and shared by both the cargo handling equipment and the propulsion equipment, and the entire power plant can be downsized.
  • the propulsion equipment is configured to be detachable from the floating offshore equipment.
  • the propulsion equipment and the navigation equipment such as the electric propulsion apparatus, the propulsion control apparatus, and the navigation equipment, are floating bodies. Since it is used only when moving offshore equipment, it is temporarily provided only during this movement, removed after movement, and configured to be usable for other floating offshore equipment, thereby reducing the overall equipment cost. be able to. Moreover, the space can be used effectively by removing it except when navigating.
  • the floating offshore facility is equipped with a temporary power generation facility (Temporary power generation facility) that is arranged in a safe area excluding the hazardous area.
  • Temporal power generation facility Temporal power generation facility
  • the power generation capacity of the power generation facility can be changed as a whole, the power generation capacity is temporarily increased in the event of an emergency such as a temporary increase in the required power capacity or an unexpected generator failure. Can be supported. This makes it possible to flexibly cope with an operation that temporarily requires electric power, such as when navigating to a production site.
  • this temporary power generation facility is set to 5 MW to 25 MW, the temporary power generation facility and sufficient auxiliary power can be supplied.
  • the temporary power generation facility includes a connection destination switching mechanism that is electrically connected to one or both of the first group power generation facility and the second group power generation facility. , Supply of power to one or both of the first group of power generation facilities and the second group of power generation facilities by parallel operation of the temporary power generation facilities, or the operation of the temporary power generation facilities, or the first group of power generation facilities And the second group of power generation facilities, or the power generation facilities of either one or both of the power generation facilities are switched to the power supply that takes over all of them, in other words, as a response in case of an emergency, exclude dangerous areas If the temporary power generation equipment placed in the safe area is configured to perform parallel operation with the power generation equipment of the first and second groups and feedback power supply, It has the advantages described.
  • the power supply can be supplemented by the temporary power generation facility, and a sufficient power supply system can be secured. That is, even if a part of the power generation equipment of one of the groups breaks down, it can be supplemented by the temporary power generation equipment, and can flexibly cope with an emergency.
  • the floating offshore facilities include floating offshore oil and gas production storage and loading equipment (FPSO), floating storage and loading equipment (FSO), floating storage equipment (FSU), and LNG.
  • FPSO floating offshore oil and gas production storage and loading equipment
  • FSO floating storage and loading equipment
  • FSU floating storage equipment
  • LNG LNG
  • LNG-FPSO liquefied storage / loading facility
  • LPG-FPSO FLPG
  • FSRU floating storage regasification facility
  • the power supply method of the floating offshore facility for achieving the above object is provided with a production facility supplied with power by the power generation facility and a facility other than the production facility, and used in a state of being held on the ocean.
  • the power generation facility is configured to supply power to the production facility and from a first group of power generation facilities disposed in the production facility area on the upper deck.
  • the power capacity of the power generation facility in the production facility area above the upper deck is supplied by supplying power for each purpose from the power generation facilities that are distributed and arranged separately for each purpose. Can reduce the installation space for this power generation facility, increase the space for production facilities, and can also distribute the risk when a power system trouble occurs in the power generation facility .
  • the power generation facility of the floating offshore facility which is large-scale, is divided according to use, and the first group power generation facility and production for the production facility.
  • the first group power generation facility and production for the production facility For power generation equipment of the second group for power supply other than equipment, and for the production equipment above the upper deck by distributing and arranging in the production equipment area above the upper deck and the safety area other than this production equipment area.
  • the space for power generation facilities in the area can be reduced, the space for production as offshore facilities can be increased, and the risk when power system troubles in power generation facilities occur is distributed can do.
  • the second group of power generation equipment can be used for equipment and equipment other than production equipment, such as cargo handling equipment and residential area equipment.
  • equipment and equipment other than production equipment such as cargo handling equipment and residential area equipment.
  • this second group of power generation facilities can also be used as a generator for the propulsion device. It is possible to reduce the equipment cost when sailing.
  • FIG. 1 is a side sectional view schematically showing the configuration and arrangement of a power generation facility of a floating offshore facility according to a first embodiment of the present invention.
  • FIG. 2 is a plan view on the stern side schematically showing the configuration and arrangement of the power generation facility of the floating offshore facility according to the first embodiment of the present invention.
  • FIG. 3 is a side cross-sectional view schematically showing a configuration in the case where the second group of power generation facilities are separately arranged in the floating offshore facility according to the first embodiment of the present invention.
  • FIG. 4 is a side sectional view schematically showing the configuration and arrangement of the power generation facility of the floating offshore facility according to the second embodiment of the present invention.
  • FIG. 1 is a side sectional view schematically showing the configuration and arrangement of a power generation facility of a floating offshore facility according to a first embodiment of the present invention.
  • FIG. 2 is a plan view on the stern side schematically showing the configuration and arrangement of the power generation facility of the floating offshore facility according to the first embodiment of the present invention
  • FIG. 5 is a side sectional view of the machine room schematically showing the configuration of the machine room of the floating offshore facility according to the second embodiment of the present invention.
  • FIG. 6 is a side sectional view schematically showing the configuration and arrangement of the power generation facility of the floating offshore facility according to the third embodiment of the present invention.
  • FIG. 7 is a side sectional view schematically showing the configuration and arrangement of the power generation equipment of the floating offshore equipment in the prior art.
  • FIG. 8 is a plan view on the stern side schematically showing the configuration and arrangement of the power generation equipment of the floating offshore equipment in the prior art.
  • production equipment here includes equipment such as oil processing equipment, gas processing equipment, water treatment equipment, and control system for processing crude oil or natural gas.
  • FPSO floating body production storage and loading equipment
  • FSO floating storage and loading equipment
  • FSU floating storage equipment
  • FLNG liquefied storage and loading equipment: LNG-FPSO
  • FLPG FLPG that handles LPG
  • the present invention can also be applied to LPG-FPSO
  • FSRU floating body storage regasification facility
  • VLCC large tanker
  • the floating offshore facility 1A has a shape substantially similar to that of a vessel such as a VLCC, and is installed on the ocean with an oil field or the like from a factory or a port. It is towed or self-navigated to a place, and is used in a state where it is held on the ocean at this offshore installation location by a mooring system.
  • a vessel such as a VLCC
  • this floating offshore facility 1A has a hull 2, upper decks 3, 3a, 3f, stern 4 and bow 8, below the upper deck 3a of this stern 4.
  • the machine room 5 usually called an engine room when a propulsion device is provided
  • the upper structure 6 including the living area 6 a above the machine room 5, and the cargo hold 7 in front of the machine room 5 , Each provided.
  • a bow portion 8 is provided in front of the cargo hold 7. Note that the floating offshore facility 1A according to the first embodiment does not include a propulsion unit used for movement, and cannot be self-propelled.
  • the floating offshore facility 1A is not shown in addition to the production facility 30, the machine room 5, the upper structure 6 including the living area 6a, the cargo hold 7 in which the oil storage (gas) tank is installed, and the like. However, it is equipped with cargo handling equipment (shipping equipment), mooring equipment such as risers, mooring lines and anchors, and an automatic position holding system having propulsion devices such as heliports and azimuth thrusters as required.
  • cargo handling equipment shipping equipment
  • mooring equipment such as risers, mooring lines and anchors
  • propulsion devices such as heliports and azimuth thrusters as required.
  • This floating offshore facility 1A includes a production facility 30 to which power is supplied by power generation facilities 40, 50, a residential area facility 60 other than the production facility 30, a cargo handling facility (not shown), a cargo pump (not shown), and the like. It is used in a state of being held on the ocean with "equipment other than production equipment" including
  • the production facility 30 is, for example, a production facility 30 that processes crude oil or natural gas, and includes an oil treatment facility, a gas treatment facility, a water treatment facility, a control system, and the like. It is installed in the production facility area Rp on the upper deck 3 of the upper deck.
  • the power generation facilities 40 and 50 supply power to the production facility 30 and are disposed in the production facility area Rp on the upper deck 3.
  • the power generation facility 40 includes a second group of power generation facilities 50 that supply power to facilities other than the production facility and are disposed in the safety area Rs other than the production facility area Rp. That is, during normal operation, the first group of power generation equipment 40 supplies power to the production equipment 30 and the second group of power generation equipment 50 supplies power to equipment other than the production equipment.
  • Hazardous area Rd is any place where flammable or explosive vapors, gases, dusts or explosives may normally accumulate, and specifically, this hazardous area Rd is a production facility area Rp. And cargo holds that temporarily store the oil and gas produced.
  • the safe area Rs is an area other than the dangerous area Rd. Specifically, in the safety zone Rs, the machine room 5, the upper deck 3 a of the stern 4, the upper deck 3 f of the bow 8, the hull of the stern 4, the hull of the bow 8, the upper part The inside of the structure 6 and the upper part of the upper structure 6 are included.
  • the power generation equipment 40 of the first group in the power generation equipment group that supplies power to the production equipment 30 is usually about 4 to 8 power generation apparatuses 41a (four in the configuration of FIGS. 1 and 2). 41b, 41c, 41d, etc., and in the configuration of FIGS. 1 and 2, these are arranged in two rows horizontally between the upper structure 6 and the production facility 30.
  • the first group of power generation facilities 40 With configuring the first group of power generation facilities 40 with a plurality of power generation devices 41a, 41b, 41c, and 41d, it is normally energized even if some of the power generation devices (for example, 41a) are maintained and inspected. Can be maintained. Therefore, according to this configuration, even if a part of the power generation devices (for example, 41b) breaks down, the failed power generation device (for example, 41b) can be repaired or replaced while maintaining the power supply. Can be less affected.
  • the power generation equipment 50 of the second group of power generation equipment that supplies power to equipment other than production equipment is usually about 2 to 4 power generators (two in the configuration of FIGS. 1 and 2).
  • 51a, 52b, etc. which are in the machine room 5, on the upper deck 3a of the stern part 4, on the upper deck 3f of the bow part 8, inside the hull of the stern part 4, inside the hull of the bow part 8, upper part It is arranged in the safety zone Rs such as the inside of the structure 6 and the upper structure 6, more preferably in the machine room 5 or in the hull of the stern part 4.
  • the two power generation devices 51 a and 52 b configuring the second group of power generation facilities 50 are arranged in two rows horizontally in the machine room 5.
  • the power generation facilities 40 and 50 are a large-scale power generation device (for example, 100 MW class) that supplies power to the production facility 30 and a medium-scale power generation device (for example, power supply to facilities other than the production facility). (10 MW class) is divided into the second group of power generation facilities 50, which are arranged in the production facility area Rp and the safety area Rs.
  • the first group of power generation equipment 40 is arranged in the production equipment area Rp on the upper deck 3, and the second group of power generation equipment 50 is in the safety area Rs excluding the production equipment area Rp and the danger area Rd.
  • the first group of power generation facilities 40 and the second group of power generation facilities 50 are in normal operation, power is supplied to the production facility 30 from the first group of power generation facilities 40.
  • power is supplied from the second group of power generation facilities 50 to facilities other than the production facilities.
  • the first group of power generation facilities 40 constituted by large-scale power generation devices that were conventionally equipped in the production facility area Rp is equipped in the safety area Rs other than the production facility area Rp. Therefore, the upper deck 3 on which the production equipment 30 is installed can be widely used. That is, the second group of power generation facilities 50 that supply power to facilities other than the production facilities do not have to be arranged in the production facility area Rp on the upper deck 3, and accordingly, the first group of power generation facilities.
  • the space for arranging 40 can be reduced, and the space for facilities for production as offshore facilities can be increased.
  • the second group of power generation equipment 50 causes equipment other than the production equipment, such as cargo handling equipment and residential areas. It is possible to continue to supply power to the facility 60. That is, since the power generation plants are separated according to use for power supply to the production facility 30 and for power supply to facilities other than the production facility, it is possible to construct a power plant that is not affected by one failure or trouble.
  • the production equipment designed to match the characteristics of the oil well is generally installed after the hull is built.
  • the design schedule of the hull and the design schedule of the production equipment do not match, but in this case, the design and installation of the power generation equipment 50 of the second group used on the hull side, It becomes possible to proceed separately from the design and installation of the power generation equipment 40 of the first group.
  • the power plant can be separated for power supply to the production facility 30 and power supply to facilities other than the production facility, the second group for power supply to facilities other than the production facility due to design delay of the production facility 30 This can eliminate the influence on the power generation facility 50, and this facilitates modularization of the power plant.
  • the second group of power generation facilities 50 is configured with a dual fuel diesel generator called DFDE (Dual Fuel Diesel Electric) that can be driven by both heavy oil fuel and gas fuel
  • DFDE Dual Fuel Diesel Electric
  • This dual-fuel diesel generator generates electricity with heavy oil fuel before the production facility 30 is operated.
  • gas fuel can be produced, it becomes possible to generate power using the gas fuel produced by the production facility 30 and the gas fuel can be used effectively.
  • the dual fuel diesel generator has a higher degree of freedom in the supply and exhaust facilities than the gas turbine generator.
  • the degree of freedom in selecting the installation location of the second group of power generation facilities 50 is greatly expanded.
  • the second group of power generation facilities 50 can be easily arranged in the safety area Rs other than the production facility area Rp on the upper deck 3.
  • the first group that supplies power to the production equipment 30 It is possible to perform a performance verification (commissioning) operation for grasping the required performance without being affected by the power generation facility 40 of the current generation.
  • the power generation equipment 50 of the second group can be used without waiting for the completion of the power generation equipment 40 of the first group, the cargo handling equipment, the residential area equipment 60, and the propulsion equipment described later in some cases As a result, it becomes possible to grasp and verify the required performance of equipment that is not directly related to the production equipment 30.
  • the power generation equipment 50 of the second group is configured to supply power for operating the cargo handling equipment in an emergency
  • the power generation equipment 40, 50 and the installation location thereof are divided according to use, so that the second group of the safe area Rs.
  • the generator 50 for emergency cargo handling (for Emergency ⁇ Offloading) can also be used as a generator for emergency cargo handling, so the generator for emergency cargo handling can be reduced.
  • connection destination change mechanism 81 which electrically connects the power generation equipment 40 of the 1st group, and the power generation equipment 50 of the 2nd group, and this connection destination change mechanism 81 is the power generation equipment 40 of the 1st group. Power exchange between the two and the second group of power generation facilities 50 in parallel, or the entire power supply by the other power generation facility 50 (or 40) due to the operation of one of the power generation facilities 40 (or 50) Or it has the structure switched to the electric power feeding (feedback electric power feeding) which replaces a part.
  • an emergency occurs when the power generation equipment 40 (or 50) of one group is troubled, or the production equipment 30 breaks down or has an accident, or a part of the power generation equipment 40, 50 is maintained. Even when an unscheduled power supply amount is required during inspection, mutual power supply is possible, and a sufficient power supply system can be secured.
  • the power generation capacity of the first group of power generation facilities 40 is set to 50 MW to 200 MW, and the power required for facilities other than the production facilities so that the power required for the production facilities 30 can be supported. So that the power generation capacity of the second group of power generation equipment 50 is 5 MW to 30 MW.
  • the residential facility 60 requires 1 MW to 2 MW, and the cargo handling facility 1 MW to 2 MW.
  • a power of 5 MW to 6 MW is required for the cargo pump.
  • the power generation capacity of the second group of power generation facilities 50 is 7 MW to 10 MW + 5 MW (margin: about half of 7 MW to 10 MW on the left), or the power required by facilities other than production facilities The power generation capacity is about 1.5 times.
  • the floating offshore facility 1A has an electric propulsion system, the necessary amount is further added as described later.
  • the second group of power generation facilities 50 is further configured by a plurality of power generation facilities 50A and 50B, and the plurality of power generation facilities 50A and 50B are separated and arranged at two or more locations. And in case of an emergency when one power generation facility 50A (or 50B) of the second group is troubled or a failure or accident occurs in the area where this one power generation facility 50A (or 50B) is located In addition, even when a part of these power generation facilities 50A (or 50B) requires an unscheduled power supply amount during maintenance and inspection, a sufficient power supply system can be ensured.
  • the power generation facility 50A inside the machine room 5 includes two power generation devices 51a and 51b
  • the power generation facility 50B disposed on the upper deck 3f of the bow portion 8 includes two power generation devices 51c. , 51d.
  • the power generation facilities 50A and 50B configuring the second group of power generation facilities 50 are electrically connected and mutually fed.
  • the second group of power generation facilities 50 are arranged on the upper deck 3a on the stern side of the machine room 5 and the production equipment area Rp and on the upper deck 3f on the bow side of the production equipment area Rp.
  • the combination part can be selected. For example, specifically, a cargo handling equipment & cargo oil pump power generator and a residential area & other power generator are separated, the former is placed on the upper deck 3a of the stern part 4, and the latter is machine room 5 is arranged.
  • the residential area equipment 60 is 1 MW to 2 MW
  • the shipping equipment is 1 MW to 2 MW
  • the cargo pump is 5 MW to 6 MW. Deploy.
  • the floating offshore facility 1B includes an electric propulsion system 20 on the stern portion 4 side of the hull 2, and the electric propulsion system 20 is A propeller rotating shaft (propulsion) that is disposed in a machine room (often referred to as an “engine room” when a propulsion unit is provided) 5 in the safety zone Rs and a propeller (propulsion unit) 21 protrudes to the rear side of the stern part 4.
  • An electric motor (propulsion motor) 22 that rotates the propeller rotating shaft 21 a is disposed in the engine room 5.
  • a rudder 23 is disposed behind the propeller 21, and a steering machine 24 for driving the rudder 23 is disposed above the rudder 23.
  • a bridge 6b equipped with the navigation facility 25 is provided on the upper part of the residential area 6a of the upper structure 6 for movement. Use.
  • the propeller 21, the electric propulsion system 20 that drives the propeller 21 and the rudder 23, and the navigation facility 25 are provided, and the electric power for operating the electric propulsion system 20 and the navigation facility 25 is supplied from the power generation facility 50 of the second group.
  • the propeller 21 and the rudder 23 are provided outside the stern part 4, the propulsion motor 22 and the steering gear 24 are provided in the machine room 5 inside the stern part 4, and a part of the bridge of the upper structure 6 ( (Bridge) 6b is provided, and the bridge 6b is equipped with the navigation equipment 25, and the power generation equipment 50 of the second group is used as a power source for the electric propulsion system 20 and the navigation equipment 25.
  • a power source for the electric propulsion system 20 for example, in the case of the floating offshore facility 1B having a total length of about 300 m, electric power of about 10 to 30 MW including the load on the ship is required.
  • the power generation capacity of the second group of power generation equipment 50 it is preferable to set the power generation capacity of the second group of power generation equipment 50 to 10 to 30 MW so as to be compatible with the electric propulsion system 20.
  • the floating offshore facility 1A according to the first embodiment does not have its own transfer means, it is necessary to tow the floating offshore facility 1A to the production site or to transfer it by a heavy transport ship. Therefore, when long-distance movement occurs, for example, when the floating offshore facility 1A is constructed in Asia and installed in Brazil, the initial transfer cost is very high.
  • the floating offshore facility 1B according to the second embodiment can be self-navigating, and transfer by towing or a heavy carrier is not required, so that the initial transfer cost can be reduced.
  • the navigation is always performed in a state where the first group power generation facility 40 is not mounted, so the electric propulsion system 20 by the second group power generation facility 50 described above, It becomes possible to navigate without waiting for the completion of the first group of power generation facilities 40.
  • the second group of power generation equipment 50 for supplying power to equipment other than the production equipment is configured so that power can be supplied to both the cargo handling equipment and the propulsion equipment.
  • the propulsion equipment can be shared and shared, and since both of the equipment are not used at the same time, the entire power plant can be downsized.
  • this propulsion equipment is configured to be detachable from the floating offshore equipment 1B, in other words, the propulsion equipment and the voyage equipment 25, etc., tentatively move the floating offshore equipment 1B to the installation location.
  • the propulsion equipment and the voyage equipment 25, etc. tentatively move the floating offshore equipment 1B to the installation location.
  • the space can be used effectively.
  • the type and size (capacity) of this propulsion facility may vary depending on the conditions when sailing, if the travel route to the installation location is different. It can also be changed.
  • a part of the propulsion equipment breaks down, it can be easily repaired or replaced.
  • the propeller 21 is generally expensive because a special material and precision machining are performed, and the propeller 21 is detachably attached to the propeller rotating shaft (propulsion shaft) 21a, so that movement is not necessary. It is often removed at the time.
  • the electric power used for the propulsion device for self-propulsion is used for the position holding device.
  • the power generation equipment 50 of the second group can be used efficiently.
  • the floating offshore facility 1C of the third embodiment includes a temporary power generation facility (Temporary power generation facility) 70 disposed in the safe area Rs excluding the dangerous area Rd.
  • Temporal power generation facility 70 is installed, and the power generation capacity of the power generation facilities 40, 50, 70 as a whole can be changed.
  • the temporary power generation facility 70 is installed, for example, on the upper deck 3 a of the stern part 4 (configuration in FIG. 6), on the upper deck 3 f of the bow part 8, or inside the hull of the bow part 8. . Further, the temporary power generation facility 70 may be provided before the departure of the floating offshore facility 1C, or may be additionally arranged after leaving the port.
  • the power generation capacity can be temporarily assisted, and this can be dealt with.
  • the power required for the second group of power generation facilities 50 has increased. It can also handle cases.
  • the power generation capacity of the temporary power generation facility 70 is configured to be 5 MW to 25 MW. Thereby, sufficient auxiliary power can be supplied by the temporary power generation facility 70.
  • the temporary power generation facility 70 includes a connection destination switching mechanism 82 that is electrically connected to one or both of the first group power generation facility 40 and the second group power generation facility 50.
  • the connection destination switching mechanism 82 includes any one of the first group of power generation facilities 40 and the second group of power generation facilities 50 by parallel operation of the first group of power generation facilities 40, the second group of power generation facilities 50, and the temporary power generation facility 70. Power supply to one or both of them, or all or part of the power supply by one or both of the first group of power generation facilities 40 and the second group of power generation facilities 50 due to the operation of the temporary power generation facility 70 It is configured to switch to power supply (feedback power supply) that takes over.
  • the power supply can be supplemented by the temporary power generation facility 70, and a sufficient power supply system can be secured. That is, by installing the temporary power generation facility 70, the power generation capacity of the first group power generation facility 40 and / or the second group power generation facility 50 can be substantially changed, and the risk can be further reduced.
  • the power generation equipment 40 (or 50) of one of the groups breaks down, the power can be supplemented by the temporary power generation equipment 70, and it is possible to flexibly cope with an emergency.
  • the floating offshore facility 1C navigates by increasing its power by self-propulsion, there may be a case where a large amount of power is temporarily required. Even in such a case, it is possible to respond flexibly.
  • first group of power generation equipment 40 and the second group of power generation equipment 50 should not be permanently connected electrically, and should be configured to supply power directly to individual equipment in an emergency. You can also.
  • a plurality of relatively small generators are prepared as the temporary power generation facilities 70 so that they can be installed near the power generation facilities 40 and 50 that are necessary. In this case, since wiring and attachment / detachment are facilitated, emergency response can be performed quickly.
  • the large-scale floating offshore facilities 1A-1C power generation facilities 40, 50 are divided into different production facilities.
  • the first group of power generation equipment 40 for feeding power to 30 and the second group of power generation equipment 50 for feeding power to equipment other than the production equipment, and the production equipment area Rp on the upper deck 3 and this production equipment By distributing and arranging in the safety area Rs other than the service area Rp, the space for the power generation equipment in the production equipment area Rp on the upper deck 3 can be reduced, and the equipment for production as an offshore equipment. Can be increased, and the risk when a power system trouble occurs in the power generation facilities 40 and 50 can be dispersed.
  • the second group of power generation equipment 50 causes equipment and equipment other than the production equipment, such as cargo handling equipment and residential areas. It is possible to continue to supply power to the facility 60.
  • the propeller 21 and the propulsion motor 22 that drives the propeller 21 are provided as in the floating offshore facility 1B, the second group of power generation facilities 50 can also be used as a generator for the propulsion motor 22. It is possible to reduce the equipment cost in the case of self-propulsion using this propulsion motor 22.
  • This floating offshore facility power supply method includes a production facility 30 to which power is supplied by the power generation facilities 40 and 50 and facilities other than the production facility, and is used in a state of being held on the ocean.
  • the power generation facilities 40 and 50 supply power to the production facility 30 and are arranged in the production facility area Rp on the upper deck 3. Electric power is supplied from the power generation facility 40 to the production facility 30 and power is supplied from the second group of power generation facilities 50 arranged in the safety area Rs other than the production facility area Rp to facilities other than the production facility.
  • the large-scale floating offshore facilities 1A to 1C of the power generation facilities 40, 50 are distributed according to their use and distributed from the power generation facilities 40, 50 according to their use.
  • the power capacity of the power generation equipment 40 in the production equipment area Rp on the upper deck 3 can be reduced, and the installation space for the power generation equipment 40 can be reduced. Can be increased, and the risk when power system troubles occur in these power generation facilities 40 and 50 can be dispersed.
  • the power generation facility of the large floating offshore facility is divided according to use, and the production facility area on the upper deck and this
  • the space for power generation equipment in the production equipment area on the upper deck will be reduced and the space for equipment for production as offshore equipment will be increased.
  • FPSO floating offshore oil and gas production storage and loading equipment
  • FSO floating storage and loading equipment
  • FSU floating storage and loading equipment
  • LNG-FPSO liquefied storage and loading facilities
  • FLPG FLPG
  • FSRU floating storage and regasification facilities
  • Available power supply method body offshore facilities such as LNG storage facilities (FSU), liquefied storage and loading facilities (LNG-FPSO) that handle LNG, FLPG (LPG-FPSO) that handle LPG, floating storage and regasification facilities (FSRU), and Available power supply method body offshore facilities.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Abstract

Selon l'invention, des installations de production d'énergie électrique 40, 50 pour fournir de l'énergie électrique à une installation de production 30 et à des installations autres que l'installation de production sont configurées avec : une installation de production d'énergie électrique du premier groupe 40 qui alimente l'installation de production 30 et qui est disposée dans une région d'installation de production Rp sur un pont supérieur 3 ; et une installation de production d'énergie électrique du second groupe 50 qui fournit de l'énergie électrique à des installations autres que l'installation de production et qui est disposée dans une région de sécurité Rs autre que la région Rp de l'installation de production. Par conséquent, l'espace requis pour les installations de production d'énergie électrique dans la région de l'installation de production sur le pont supérieur est réduit, moyennant quoi l'espace pour l'installation de production en tant qu'installation au large des côtes est augmenté et les risques sont répartis en cas de problème avec les systèmes d'énergie électrique des installations électriques.
PCT/JP2016/074346 2015-08-31 2016-08-22 Installation flottante au large des côtes et procédé d'alimentation électrique pour installation flottante au large des côtes WO2017038524A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201680040050.XA CN107709153A (zh) 2015-08-31 2016-08-22 浮体式海上设备及浮体式海上设备的电力供给方法
KR1020177037051A KR20180051443A (ko) 2015-08-31 2016-08-22 부유식 해상설비, 및 부유식 해상설비의 전력 공급 방법
SG11201801626VA SG11201801626VA (en) 2015-08-31 2016-08-22 Floating offshore facility, electric power supply method for floating offshore facility

Applications Claiming Priority (2)

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JP2015-170429 2015-08-31
JP2015170429A JP2017047718A (ja) 2015-08-31 2015-08-31 浮体式洋上設備、及び浮体式洋上設備の電力供給方法

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CN110662694A (zh) * 2017-05-31 2020-01-07 三井易艾斯造船有限公司 海上浮体结构物
WO2022123273A3 (fr) * 2020-12-11 2023-01-12 Windship Technology Limited Navire à flot

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JP2019001268A (ja) * 2017-06-14 2019-01-10 三井Ｅ＆Ｓ造船株式会社 洋上浮体構造物
JP2019014436A (ja) * 2017-07-10 2019-01-31 三井Ｅ＆Ｓ造船株式会社 洋上浮体構造物およびその船尾構造
CN112955376A (zh) * 2018-12-03 2021-06-11 日挥环球株式会社 浮动设备
US11657360B2 (en) 2019-03-27 2023-05-23 Samsung Electronics Co., Ltd. Floating factory, operating method of manufacturing service device, and integrated product management system including floating factory and manufacturing service device
CN112078758A (zh) * 2020-08-03 2020-12-15 沪东中华造船(集团)有限公司 一种用于lng船改装为fsru的方法
CN113460269A (zh) * 2021-06-25 2021-10-01 沪东中华造船(集团)有限公司 一种将lng旧船改装成lng-fsru船的电站模块结构及方法

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WO2022123273A3 (fr) * 2020-12-11 2023-01-12 Windship Technology Limited Navire à flot

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SG11201801626VA (en) 2018-03-28
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CN107709153A (zh) 2018-02-16

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