WO2014053314A1 - Floating off-shore hydrocarbon gas processing plant, method of deploying such floating gas processing plant, and method of producing liquefied natural - Google Patents
Floating off-shore hydrocarbon gas processing plant, method of deploying such floating gas processing plant, and method of producing liquefied natural Download PDFInfo
- Publication number
- WO2014053314A1 WO2014053314A1 PCT/EP2013/069281 EP2013069281W WO2014053314A1 WO 2014053314 A1 WO2014053314 A1 WO 2014053314A1 EP 2013069281 W EP2013069281 W EP 2013069281W WO 2014053314 A1 WO2014053314 A1 WO 2014053314A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water intake
- water
- intake hose
- floating
- processing plant
- Prior art date
Links
- 238000007667 floating Methods 0.000 title claims abstract description 96
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 47
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 47
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 47
- 238000012545 processing Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 193
- 239000007789 gas Substances 0.000 claims description 44
- 239000003949 liquefied natural gas Substances 0.000 claims description 11
- 239000003507 refrigerant Substances 0.000 claims description 11
- 238000004873 anchoring Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 20
- 239000003345 natural gas Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000284 resting effect Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B21/507—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers with mooring turrets
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0022—Hydrocarbons, e.g. natural gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
- F25J1/0275—Construction and layout of liquefaction equipments, e.g. valves, machines adapted for special use of the liquefaction unit, e.g. portable or transportable devices
- F25J1/0277—Offshore use, e.g. during shipping
- F25J1/0278—Unit being stationary, e.g. on floating barge or fixed platform
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0279—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
- F25J1/0296—Removal of the heat of compression, e.g. within an inter- or afterstage-cooler against an ambient heat sink
- F25J1/0297—Removal of the heat of compression, e.g. within an inter- or afterstage-cooler against an ambient heat sink using an externally chilled fluid, e.g. chilled water
-
- 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
- B63B2035/4473—Floating structures supporting industrial plants, such as factories, refineries, or the like
-
- 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
- B63B2035/448—Floating hydrocarbon production vessels, e.g. Floating Production Storage and Offloading vessels [FPSO]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
Definitions
- the present invention relates to a floating off-shore hydrocarbon gas processing plant and to a method of deploying such floating gas processing plant.
- the invention relates to a method of producing liquefied natural gas .
- Floating off-shore hydrocarbon gas processing plants are known in various forms, including for example so- called floating production storage and off-loading (FPSO) concepts.
- FPSO floating production storage and off-loading
- US Patent 7,318,387 describes a water intake riser that is used on a vessel on which a plant for liquefying natural gas (a liquefied natural gas plant) is arranged.
- a water intake riser is used on the vessel to provide cooling water to a heat exchanger.
- the water intake riser is suspended from the hull of the vessel via a riser hanger.
- the riser hanger of US Patent 7,318,387 is of a specially adapted design wherein a piece of hose forms a conduit to convey water from the water intake riser pipe being suspended from the riser hander to the vessel, while a flexible load transfer element transfers self- weight and dynamic loads of the water intake riser.
- the water intake risers have to be deployed by slidingly lowering the risers through apertures of guide sleeves, which guide sleeves form part of a riser spacer that is suspended from the vessel to a predetermined depth.
- a floating off-shore hydrocarbon gas processing plant arranged on a floating structure, wherein said floating structure floats on a body of water above a sea bed, wherein the floating structure is anchored to the sea bed via an anchor line being attached to an anchor point on the sea bed, and wherein a water intake hose is provided comprising a distal end projecting away from the floating structure into the body of water and a proximal end that is connected to the hydrocarbon gas processing plant to take up a flow of water from the body of water via the distal end and convey the flow of water to the floating
- a method of producing liquefied natural gas comprising providing an off-shore hydrocarbon gas processing plant as described above or elsewhere herein, transferring heat from a hydrocarbon gas to a refrigerant stream, taking in a flow of water from the body of water through the water intake hose, and transferring said heat from the refrigerant stream to at least a portion of the flow of water .
- a method of deploying a floating hydrocarbon gas processing plant arranged on a floating structure comprising steps of:
- - preparing the deployment site comprising anchoring an anchor line to the sea bed at the deployment site and mechanically connecting a water intake hose to the anchor line at multiple locations along a length of the water intake hose and a length of the anchor line;
- said water intake hose further comprises a distal end projecting away from the floating structure into the body of water to take up a flow of water from the body of water via the distal end and convey the flow of water to the floating structure through the water intake hose and the proximal end.
- Fig. 1 schematically shows a floating off-shore hydrocarbon processing plant according to an embodiment of the invention
- Fig. 2 schematically shows a cross-sectional view of a first embodiment of a mechanical interconnection between an anchor line and a water intake hose;
- Fig. 3 schematically shows a cross-sectional view of a second embodiment of a mechanical interconnection between an anchor line and a water intake hose;
- Fig. 4 schematically shows a cross-sectional view of a third embodiment of a mechanical interconnection between an anchor line and a water intake hose
- Fig. 5 schematically illustrates a process flow scheme of a part of a process to produce liquefied natural gas .
- a water intake hose is mechanically connected to an anchor line at multiple locations along a length of the water intake hose and a length of the anchor line.
- the anchor line can accommodate tensional forces so that the water intake hose can be made of less strong material than a riser that has to carry its own weight in full, such as is the case with the risers referred to in US Pat. 7,318,387.
- the mechanical connector between the water intake hose and the floating structure can be simpler and/or less robust compared with a water riser that is fully suspended by itself.
- a relatively complicated riser hanger as described in US Pat. 7,318,387 may not be necessary.
- deployment of the floating structure with the hydrocarbon gas processing plant in the offshore deployment site can be faster, as the water intake hose can be pre-installed on the anchor line and thus deployed at the same time as mooring the floating structure to the anchor line.
- FIG. 1 schematically shows a floating off-shore hydrocarbon gas processing plant 10 arranged on a floating structure 20.
- the hydrocarbon gas processing plant may comprise a plurality of modules 10a, 10b, 10c, etc., each arranged to carry out different processing steps or functions.
- the floating structure 20 floats on the surface 120 of a body of water 100 above a sea bed
- the floating structure 20 is anchored to the sea bed 110 via an anchor line 30.
- the anchor line 30 is attached to an anchor point 130 on the sea bed 110 and to the floating structure 20 at an engagement point 25.
- the anchor line 30 descends into the body of water 100 under a distinctly non-zero angle from the vertical direction.
- the anchor line 30 has at least a suspended part 32 that stretches in the body of water 100 above the sea bed 110 between the sea bed 110 and the floating structure 20.
- the suspended part 32 may generally be of a free caternary or of a semi-taut configuration.
- the anchor line 30 is so long compared to the depth D of the body of water that the anchor line 30 comprises a resting part 31 that stretches between the suspended part 32 and the anchor point 130, and lies on the sea bed 110.
- the suspended part 32 stretches between the resting part 31 and the floating structure 20.
- the suspended part 32 hangs off of the floating structure 20 in the body of water 100 above the sea bed 110.
- a water intake hose 40 is provided, comprising a distal end 41 projecting away from the floating structure 20 into the body of water 100, and a proximal end 42 that is connected to the hydrocarbon gas processing plant 10 to take in a flow of water from the body of water 100 via the distal end 41 and to convey the flow of water to the floating structure 20 through the water intake hose 40 and the proximal end 42.
- the water intake hose 40 is mechanically connected to the anchor line 30 at multiple locations 50 along a length of the water intake hose 40 and a length of the anchor line 30.
- the water intake hose 40 may extend along the anchor line 30 over at least 25% of the total length (from the floating structure 20 anchor point 130 of the anchor line 30 to which the water intake hose 40 is mechanically connected.
- the floating structure is anchored to the sea bed 110 via a plurality of anchor lines spreading out in a plurality of directions from the floating structure
- a second anchor line 230 is depicted in Figure 1.
- At least two of the plurality of anchor lines 30 (230) are each provided with at least one water intake hose 40 (240) .
- Preferably, at most a single water intake hose is mechanically connected to any one anchor line at said multiple locations.
- the floating structure 20 comprises a turret 22 and a barge 24.
- the barge 24 is rotatably connected to the turret 22, whereby the barge 24 can rotate relative to the turret 22 around a vertical axis A, centred in the turret 22.
- All of the plurality of anchor lines 30 (230) may be connected to the turret 22, each in an engagement point 25 (225) .
- the anchor line 30, or each of the anchor lines in the plurality of anchor lines may be formed of or comprise at least one selected from the group consisting of a cable, a chain, a wire rope, a polyester line, or combinations thereof.
- the anchor line may be formed of or comprise any suitable material, including preferably steel.
- the anchor line 30 is preferably a flexible anchor line.
- the water intake hose is suitably formed out of a rubber or a composite material.
- the composite material may be based on rubber: a preferred example is a rubber reinforced with steel bars.
- FPSO cooling applications which are suitable for the present water intake hose application, can be obtained from Trelleborg Oil & Marine Corp. Hypochlorite
- injection lines may be built into the water intake hose.
- the amount of built-in reinforcement into the water intake hose 40 may be less than necessary in self-supported water intake riser configurations, as in accordance with the present invention the water intake hose is mechanically supported by the anchor line 30. This way the anchor line 30 to which the water intake hose 40 is mechanically connected can accommodate (most of) the tensile forces that would otherwise act directly on the water intake hose 40.
- the water intake hose 40 during operation whereby supporting a flow of water from the body of water 100 to the floating structure 20, suitably has an effective density of between 0.8 and 1.3.
- the water intake hose 40 is nearly buoyant or just buoyant, such that the gravitational force (or the Archimedes resulting force) that is to be carried by the anchor line 30 is relatively small.
- Effective density means the density of the hose material (averaged over a representative stretch) , divided by the water density of the water in the body of water 100 below the floating structure 20, at a depth half way between the bottom 26 of the floating structure 20 and the sea bed 110.
- the bottom 26 of the floating structure 20 is understood to equate to the engagement point 25.
- the water intake hose 40 during the water intake hose 40, during the
- the water intake hose 40 is neutral or nearly buoyant, such that the resultant additional gravitational force exerted by the water intake riser 40 on the anchor line 30 with which it is mechanically interconnected pulls in downward direction which is preferred from a viewpoint of the anchoring function of the anchor line 30.
- the inner diameter is
- the water intake hose 40 can serve to take in water from the body of water 100 from a water intake depth of more than 300 m, preferably deeper than 5 hm, from the surface 120 of the body of water 100.
- the water intake hose 40 may extend along the anchor line over at least 60% of the length of the suspended part 32 of the anchor line 30 to which the water intake hose 40 is mechanically connected. This way, water can be taken in from the body of water 100 at a depth of about half way between the bottom 26 of the floating structure 20 and the sea bed 110, or deeper.
- the distal end 41 of the water intake hose 40 may be within 2 hm (hectometre) from the sea bed 110.
- the distal end 41 of the water intake hose 40 it is recommended to maintain the distal end 41 of the water intake hose 40 at least 0.35 hm above the sea bed (i.e. not closer than about 0.35 hm or 35 m to the sea bed) during normal operations such that in extreme environmental conditions the inlet will not come too close to the sea bed. It is further recommended to limit the length along which the water intake hose 40 extends along the anchor line 30 to within 90% of the length of the suspended part 32 of the anchor line 30 to which the water intake hose 40 is mechanically connected.
- the water intake hose 40 may be connected to the anchor line 30 in a variety of ways.
- One way is to establish a continuous mechanical connection between the two by arranging both the water intake hose 40 and the anchor line 30 in a long sleeve for instance in the form of a long net or one or more strings or lines helically and/or counter helically would over a water intake hose 40 and anchor line 30 couple.
- the water intake hose 40 is slidably connected to the anchor line 30 in the longitudinal direction of the anchor line 30 to avoid loading of mechanical strain from the anchor line 30 on to the water intake hose 40.
- the mechanical connection between the water intake hose 40 and the anchor line 30 comprises a plurality of
- the water intake hose 40 may be rigidly
- FIG. 2 An example of a rigid interconnection is illustrated in Figure 2, which shows a cross section of a water intake hose 40 mechanically connected to an anchor line 30.
- This rigid interconnection comprises an anchor line clamp 61 rigidly clamped around the anchor line 30, a hose clamp 62 clamped rigidly around the water intake hose 40, and a web 63 interconnecting the anchor line clamp 61 with the hose clamp 62.
- the web 63 may be adhered to or formed as an integral part to the water intake hose 40, thereby omitting the need for the hose clamp 62.
- the elastic strain capacity of the water intake hose may be sufficient to allow a slack- less installation, it is recommended with such a rigid interconnection to allow some slack in the water intake hose 40 between successive adjacent contact points to be able to accommodate stretching of the anchor line 30 and/or bending forces from the anchor line 30.
- the surface exposed to lateral drag force that can be exerted by the body of water 100 to the anchor line 30 contains the clamps and the web.
- the mechanical interconnection between the anchor line 30 and the water intake hose 40 comprises a plurality of discrete guide sleeve distributed along the anchor line 30.
- Figure 3 shows an example wherein the hose clamp as shown in Figure 2 has been replaced by a hose guide sleeve 64. This allows for a longitudinal movability of the water intake hose 40 relative to the anchor line 30, as a result of which less slack needs to be provided between the connection points 50.
- the surface exposed to drag is essentially the same as was the case for the rigid interconnection of Figure 2.
- FIG 4 illustrates still another example of a suitable mechanical interconnection, whereby the anchor line clamp 61 of Figure 3 has been replaced by an anchor line guide sleeve 65.
- the anchor line guide sleeve 65 allows for rotational movability of the hose guide sleeve 64 around the anchor line 30. This allows the water intake hose 40 to weather vane around the anchor line 30 under the influence of a lateral water current, whereby the effective drag surface is reduced to approximately the outer diameter of the larger one of the hose guide sleeve 64 and the outer diameter of the anchor line guide sleeve 65 (the outer diameter of the hose guide sleeve 64 is generally expected to be larger than that of the anchor line guide sleeve 65) .
- the flow of water through the water intake hose 30 may be maintained in any suitable way.
- flow of water through the water intake hose 30 may be maintained by a water pump provided in the floating structure.
- alternatives may be explored, such as employing siphon action as proposed in e.g. US patent 6,832,875.
- the off-shore hydrocarbon gas processing plant 10 described above may be employed for producing liquefied natural gas (LNG) .
- LNG liquefied natural gas
- the proposed configuration of the water intake hose on the anchor line offers the benefit of being able to take in water from larger depths than is possible with free-hanging risers deployed from the aft of the floating structure. This means that the water can be taken in at a lower temperature, generally resulting in a higher production rate of LNG using the same plant power and equipment .
- the floating structure 20 may comprise all equipment necessary to produce natural gas from a sub-sea gas well and to subject the produced natural gas to all hydrocarbon processing steps necessary to
- Liquefying in the present context comprises transferring heat from a hydrocarbon gas 310, which may be in the form of the pre-conditioned natural gas, to a refrigerant stream 320.
- a hydrocarbon gas 310 which may be in the form of the pre-conditioned natural gas
- refrigerant stream 320 These streams are shown in Figure 5, wherein both the hydrocarbon gas 310 and the refrigerant stream 320 pass through an indirect heat exchanger 330 in indirect heat exchanging contact with each other .
- the refrigerant stream, containing the heat removed from the hydrocarbon gas 310 is withdrawn from the indirect heat exchanger 330 in line 340 and passed to a compressor 350 for recompression.
- the refrigerant stream as discharged from the compressor 350, in line 360 now contains not only the heat removed from the hydrocarbon gas 310, but also compression heat that has been added during
- the natural gas (e.g. the hydrocarbon gas 310) may also be cooled against part of the water taken in via the water intake hose 40, prior to being fed to the indirect heat exchanger 330.
- the off-shore floating hydrocarbon gas processing plant as described above can be deployed by bringing the floating structure with the hydrocarbon gas processing plant in a position at a selected off-shore deployment site, anchoring the floating structure at the deployment site and subsequently deploying the one or more water intake hoses along one or more of the anchor lines.
- the deployment site may be prepared by at least anchoring the desired number of anchor lines (30,230) to the sea bed at the deployment site before the floating structure is brought in from a geographically different site such as its construction site or a site of a previous deployment.
- the concept of mechanically interconnecting the water intake hose 40 with the anchor line 30 allows for a new approach, wherein during the preparation of the deployment site the desired number of water intake hoses (40,240) is already pre-installed by mechanically connecting to the respective anchor lines (30,230) as described above.
- one end of the anchor line 30 or each of the anchor lines (30,230) may be pulled up to the floating structure 20, while leaving the other end of the anchor line anchored to the sea bed 110 in the anchor point 130.
- the end(s) of the anchor line(s) (30,230) being pulled up to the floating structure 20 may then be secured to the floating structure 20 at the respective engagement point (s) (25,225).
- the proximal end 42 of the water intake hose 30 is then ready to be fluidly connected to the floating structure 20 without the need to take time to deploy.
- the person skilled in the art will understand that the present invention can be carried out in many various ways without departing from the scope of the appended claims .
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112015007139-2A BR112015007139B1 (en) | 2012-10-03 | 2013-09-17 | Offshore hydrocarbon gas processing facility, and, methods for deploying a floating hydrocarbon gaseous processing facility and for producing liquefied natural gas |
AU2013326747A AU2013326747B2 (en) | 2012-10-03 | 2013-09-17 | Floating off-shore hydrocarbon gas processing plant, method of deploying such floating gas processing plant, and method of producing liquefied natural |
AP2015008343A AP3873A (en) | 2012-10-03 | 2013-09-17 | Floating off-shore hydrocarbon gas processing plant, method of deploying such floating gas processing plant, and method of producing liquefied natural gas |
EP13765699.7A EP2903889B1 (en) | 2012-10-03 | 2013-09-17 | Floating off-shore hydrocarbon gas processing plant, method of deploying such floating gas processing plant, and method of producing liquefied natural |
CY20171100020T CY1118440T1 (en) | 2012-10-03 | 2017-01-09 | FLOATING HYDRAULIC CARBON PROCESSING INSTALLATION OFFERS |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12187116.4 | 2012-10-03 | ||
EP12187116 | 2012-10-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014053314A1 true WO2014053314A1 (en) | 2014-04-10 |
Family
ID=47002716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/069281 WO2014053314A1 (en) | 2012-10-03 | 2013-09-17 | Floating off-shore hydrocarbon gas processing plant, method of deploying such floating gas processing plant, and method of producing liquefied natural |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2903889B1 (en) |
AP (1) | AP3873A (en) |
AU (1) | AU2013326747B2 (en) |
BR (1) | BR112015007139B1 (en) |
CY (1) | CY1118440T1 (en) |
WO (1) | WO2014053314A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3255365A1 (en) | 2016-06-09 | 2017-12-13 | Shell Internationale Research Maatschappij B.V. | System and method for offshore processing of hydrocarbons |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3708811A (en) * | 1971-01-06 | 1973-01-09 | Exxon Research Engineering Co | Single anchor leg single point mooring system |
GB2359054A (en) * | 2000-02-08 | 2001-08-15 | Brovig Rds Ltd | Mooring and flowline system |
GB2372965A (en) * | 2000-12-12 | 2002-09-11 | John Brown Hydrocarbons Ltd | Water intake for a floating offshore platform |
US7318387B2 (en) * | 2003-03-25 | 2008-01-15 | Shell Oil Company | Water intake riser |
-
2013
- 2013-09-17 AU AU2013326747A patent/AU2013326747B2/en active Active
- 2013-09-17 WO PCT/EP2013/069281 patent/WO2014053314A1/en active Application Filing
- 2013-09-17 AP AP2015008343A patent/AP3873A/en active
- 2013-09-17 EP EP13765699.7A patent/EP2903889B1/en not_active Not-in-force
- 2013-09-17 BR BR112015007139-2A patent/BR112015007139B1/en active IP Right Grant
-
2017
- 2017-01-09 CY CY20171100020T patent/CY1118440T1/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3708811A (en) * | 1971-01-06 | 1973-01-09 | Exxon Research Engineering Co | Single anchor leg single point mooring system |
GB2359054A (en) * | 2000-02-08 | 2001-08-15 | Brovig Rds Ltd | Mooring and flowline system |
GB2372965A (en) * | 2000-12-12 | 2002-09-11 | John Brown Hydrocarbons Ltd | Water intake for a floating offshore platform |
US7318387B2 (en) * | 2003-03-25 | 2008-01-15 | Shell Oil Company | Water intake riser |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3255365A1 (en) | 2016-06-09 | 2017-12-13 | Shell Internationale Research Maatschappij B.V. | System and method for offshore processing of hydrocarbons |
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EP2903889A1 (en) | 2015-08-12 |
CY1118440T1 (en) | 2017-06-28 |
BR112015007139A2 (en) | 2017-07-04 |
AU2013326747A1 (en) | 2015-04-09 |
AP2015008343A0 (en) | 2015-04-30 |
AU2013326747B2 (en) | 2016-09-15 |
BR112015007139B1 (en) | 2022-02-01 |
AP3873A (en) | 2016-10-31 |
EP2903889B1 (en) | 2016-11-30 |
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