CN107531316A - Floatation unit and the method for stablizing the floatation unit - Google Patents
Floatation unit and the method for stablizing the floatation unit Download PDFInfo
- Publication number
- CN107531316A CN107531316A CN201580077049.XA CN201580077049A CN107531316A CN 107531316 A CN107531316 A CN 107531316A CN 201580077049 A CN201580077049 A CN 201580077049A CN 107531316 A CN107531316 A CN 107531316A
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- separation
- hull
- water
- unit
- floatation unit
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- 238000000034 method Methods 0.000 title claims description 25
- 238000000926 separation method Methods 0.000 claims abstract description 210
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 170
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 79
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 78
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 76
- 238000007667 floating Methods 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 239000013535 sea water Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241001672694 Citrus reticulata Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000003643 water by type 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
- 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
- B63B35/4413—Floating drilling platforms, 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
- B63B22/00—Buoys
- B63B22/24—Buoys container type, i.e. having provision for the storage of material
- B63B22/26—Buoys container type, i.e. having provision for the storage of material having means to selectively release contents, e.g. swivel couplings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
- B63B43/06—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Physical Water Treatments (AREA)
- Wind Motors (AREA)
- Control Of Non-Electrical Variables (AREA)
Abstract
A kind of floatation unit for being used to producing and storing hydrocarbon, there is separation and allow the inflow of water into and flow out the opening of the separation.The unit is arranged to the water-carrying capacity that optionally control passes in and out the separation, and therefore controls the water level in separation.By allowing to pass in and out the water-carrying capacity of the separation and controlling the flow, the weight of the floatation unit can be controlled, and therefore the draft (degree that i.e. described floatation unit is submerged) of the floatation unit can be controlled.That is, the depth that floatation unit is located in ambient water can be controlled by the water in the separation.Because the draft of the floatation unit influences stability (i.e. fluctuating, pitching and inclination) of the floatation unit in water, so the draft of control floatation unit can be optimized the stability of the floatation unit.
Description
Technical field
The present invention relates to a kind of floatation unit and a kind of method for stablizing the unit.For example, the present invention relates to for hydrocarbon
Production and the floatation unit of storage.
Background technology
Marine marginal field proposes various challenges to operator.Its possible reservep is low, reserves are uncertain or yield poorly.
These cause Floating Production Storage easing gear (the Floating Production Storage of fixed platform or routine
Offtake) exploitation of (FPSO) is not commercially attractive.Its may also in deeper waters or sub-sea conditions cause from
Lift-type or the worthless place of fixed pile-supported platform.
At present, FPSO units are used for larger and economically more attractive field exploitation.Almost all of FPSO units
The reconstruction or newly-built of oil tanker is all based on, oil tanker is a kind of " ship shape " ship, and it is designed to provide most economical transfer oil
Mode.However, this oil tanker is not designed to the fixed cell in place that berths for many years.Therefore, it is necessary to largely worked
So that oil tanker berths, and may be very expensive, particularly if if this is related to the system of costliness, for example, tower and rotation are
System, it allows oil tanker to rotate frequently to keep meeting aweather/wave, i.e., towards wind vane.
In addition, FPSO units include being used to hydrocarbon fluid or gas being input in FPSO units, and exported from FPSO units
Standpipe.Standpipe is generally not allowed rotation.Therefore, in order to adapt to standpipe, it is necessary to install the expensive rotary system in mooring tower.
The content of the invention
The present invention is based on such a understanding, i.e., the change of the draft of buoyant hulls carries during loading and unloading hydrocarbon
For controlled water in the case of without using pump flow into and outlet unit in separation condition, and enter the water of separation by
The condition of the stability for becoming a mandarin and stream offer optimization floatation unit being provided of control.
The present invention provides a kind of floatation unit for being used to producing and storing hydrocarbon, and it has separation and allows the inflow of water into and flow out
The opening of the separation.The unit is arranged to optionally control and passes in and out the water-carrying capacity of the separation, and therefore controls institute
State the water level in separation.Advantageously, by allowing to pass in and out the water-carrying capacity of the separation and controlling the flow, the drift can be controlled
The weight of floating unit, and the therefore draft (degree that i.e. described floatation unit is submerged) of the floatation unit
It can be controlled.That is, the depth that floatation unit is located in ambient water can be controlled by the water in the separation.Due to
The draft of the floatation unit influences stability (i.e. fluctuating, pitching and inclination) of the floatation unit in water, so
The draft of control floatation unit can be optimized the stability of the floatation unit.
The present invention provides a kind of floatation unit for being used to producing and storing hydrocarbon, and the unit includes：
The hull swum in use in water；
For storing at least one case of hydrocarbon；
Separation, have and be used for the opening that water flows in and out the separation；With
Flow controller, its is operable to open and close water level of the opening to control in the separation, so as to control
Make stability of the unit in water.
Generally, the unit does not include being used to promote the pump or miscellaneous equipment for moving the water to flow into and flowing out multiple separations.
The separation can lead to air, so that the pressure in the separation is atmospheric pressure.
When the water level in the separation is higher than the water level that the hull is floated, the flow controller can be closed by direction
Close the opening bias.
The unit may include multiple separations.
The unit may include at least three separations.
One in the separation can be centrally located with the hull, and other separations can be towards the hull
Periphery positions.
The periphery that other separations can surround the hull is set equally spaced from each otherly.
One or more of described separation, which can have, extends through the standpipe of the separation, for from the unit load
And/or unloading hydrocarbon.
The present invention provides a kind of method for the stability for controlling the floatation unit for producing and storing hydrocarbon, and the floating is single
Member has the hull swum in water, and methods described includes：
At least one case hydrocarbon being loaded into the hull, which neutralizes, unloads hydrocarbon from least one case in the hull
Out；
Water is allowed to flow in and out institute by the opening of the fluid communication floated with the hull in the hull
State the separation in hull；With
The opening is selectively opened or closed come described in controlling by the amount of the hydrocarbon at least one case
Water in separation, so as to control stability of the unit in water.
Methods described may include to open the opening and thus allow the inflow of water into the separation, and hydrocarbon is loaded into institute
State at least one case, so as to which the water level in the separation is as the loading continues and increases, and floated with the hull
Floating water level flushes, wherein the water in the separation contributes to the stability of the unit.
Methods described can further comprise closing the opening when hydrocarbon is loaded when step has been completed, and thus prevent water from institute
State separation outflow.
Methods described may include that unloading is stored in the hydrocarbon at least one case, so as to which the water level in the separation becomes
The water level floated higher than the hull, wherein the water kept in the separation contributes to the stability of the unit.
Methods described can further comprise refilling at least one case at least in part with more hydrocarbon, and at this again
The opening is opened during filling step, and thus makes water potential in the separation and water level that the hull is floated neat
It is flat.
The present invention provides a kind of floatation unit of production and storage suitable for hydrocarbon, and the floatation unit is described including being arranged in
Platform and the multiple separations being arranged in the hull, base portion of each separation from the hull on the top section of hull
Point vertically extend sufficiently into the platform, and each separation has at least one flow controller, such as current limiter,
Valve or valve system, the water-carrying capacity of the separation is flowed in or out with control, to control the water for the water being stored in the separation
Position, and wherein described platform includes the multiple openings associated with the multiple separation.
At least one at least one standpipe that may be adapted to reception and pass through in the multiple separation, wherein at least one
Standpipe extends through the base section on the outside of the hull, and passes through an extension in the opening in the platform
Go out described at least one in the multiple separation.
Each separation may include the circumferential wall that the platform is extended to out of the hull the base section so that with
The base section that the circumferential wall extends to the hull from the platform, the circumferential wall is away from the separation
The heart is outwards tapered.
The circumferential wall may include to be suitable at least one ballast box for accommodating ballast.
The platform can tilt towards Open Side Down described in the platform.
The hull may include periphery hull wall and flat bottom.
The periphery hull wall may include to be suitable at least one ballast box for accommodating ballast.
The hull may include there is circle, ellipse, triangle, quadrangle or any other shape according to user's request
Level cross-sectionn region.
According to user's request, the hull can be cylindrical or any other suitable shape.
The floatation unit can further comprise the bilge keel from the base section protrusion of the hull so that when
When the floatation unit is floated on the water, the bilge keel is submerged.
The bilge keel can surround the base section of the hull.
The bilge keel can be filled with weight loading, i.e., concrete or it is other it is heavier, generally substantially than water weight
Material.
The floatation unit can further comprise the floor from bilge keel extension.
The floor may include the Part I to stretch out in the first direction from the bilge keel and along second party
To the Part II to stretch out from the Part I.
The base section of the hull may include to be suitable at least one ballast box for accommodating ballast.
The platform can be the deck of the floatation unit.
At least one corresponding flow controller may include valve, current limiter or control can be allowed to pass in and out the separation
Any other suitable control device of water-carrying capacity.
Generally, the unit does not include being used to promote the pump or miscellaneous equipment for moving the water to flow into and flowing out multiple separations.
It is described it is at least one corresponding to each in flow controller be controlled simultaneously, be stored in balancedly to control
The water level of water in each in multiple separations.
Alternatively, being each also controlled individually in flow controller.
The present invention provides a kind of method that stabilization is suitable to the floatation unit of production and storage of hydrocarbon fluid, and methods described includes using
Hydrocarbon loads the floatation unit；Control flows into the water-carrying capacity of the separation, so that the water level in the separation and the floating are single
Water level around first is same or below the water level around the floatation unit；And unload hydrocarbon fluid from the floatation unit.
Methods described can further comprise that the water-carrying capacity of the separation is flowed out in control, so that water level and institute in the separation
It is identical or higher than the water level around the floatation unit to state water level around floatation unit.
The floatation unit of the present invention is a kind of safe and stable unit, and it supports production of hydrocarbons equipment, and unfavorable
Be not in interference or the action of closing production process during weather condition.Meanwhile the floatation unit can be stored safely necessarily
Hydrocarbon fluid after the processing of amount, untill at the time of they, which can be offloaded to, collects oil tanker.
Brief description of the drawings
In the accompanying drawings, identical reference generally refers to identical part in all different views.Accompanying drawing differs
It is fixed drawn to scale, on the contrary, generally focusing in the principle for illustrating the present invention.In the following description, with reference to the following drawings
Various embodiments are described, wherein：
Fig. 1 is the sectional view according to the floatation unit of various embodiments；
Fig. 2 is the top view according to Fig. 1 of various embodiments floatation unit；
Fig. 3 is the sectional view according to the floatation unit with multiple ballast boxs of various embodiments；
Fig. 4 is the top view according to Fig. 3 of various embodiments floatation unit；
Fig. 5 A are the sectional views according to the floatation unit of the circumferential wall for having tapered profiles of various embodiments；
Fig. 5 B are the sectional views according to the floatation unit of the circumferential wall for having stepped profile of various embodiments；
Fig. 6 is the close-up cross-sectional view according to the bilge keel (bilge keel) of the floatation unit of various embodiments；
Fig. 7 is the flow chart according to the method for the stable floatation unit of various embodiments；
Fig. 8 is the sectional view according to the floatation unit with multiple separations of various embodiments；
Fig. 9 is the top view according to Fig. 8 of various embodiments floatation unit；
Figure 10 A and Figure 10 B are in the unsealed position opened and the sealing position of closing respectively according to various embodiments
The sectional view of the flow controller for the floatation unit put.
Embodiment
The embodiment of invention described below is only used as example.Further, it will be appreciated that the embodiments described below can be by group
It is combined.For example, a part of of one embodiment can combine with a part for another embodiment.Further, it will be appreciated that below
The embodiment of description is not only embodiment of the invention.
Fig. 1 shows to be suitable to produce and store on the water the floatation unit 100 of hydrocarbon.Floatation unit 100 is intended to for production
The relatively low marginal field of hydrocarbon volume.Therefore, floatation unit 100 is relatively small with 100,000-300,000bbls
Hydrocarbon storage volume.
Floatation unit 100 includes with the base section 112 being immersed in water 10 and when floatation unit 100 swims in water 10
The hull 110 of top section 116 when upper above water 10.It will be understood that the base section 112 submerged in water of hull
Size (that is, " draft (draft) " of unit), and will be for example with hydrocarbon quilt by the quality depending on floatation unit 100
Load to floatation unit 100 and unload and change from floatation unit 100.Hull 110 also includes the top for being arranged in hull 110
The platform 114 divided on 116 and the separation 130 being centrally arranged in hull 100.In addition, hull 110 have can be from top
Points 116 periphery hull walls 118 extended to base section 112, and when floatation unit 100 is immersed in water 10 with water 10
The flat bottom 122 of contact.
Top section of the position out of hull 100 base section 112 to hull 100 in vertical direction of separation 130
116 extensions.Separation 130 has upper shed 136 in the top section 116 of hull so that the atmospheric pressure of the side waterborne in separation
Power is environmental air pressure.Separation 130 leads to ambient water 10 via the bottom opening 178 in the hull 110 of floatation unit 110, from
And allow the water to enter (and leaving) separation 130.Therefore, separation 130 is used as the optional filling for floatation unit 100
Ballast box.Separation 130 has the flow controller 132 being arranged in bottom opening 178, to control the water of into and out separation
Stream, and therefore control is stored in the water level of the water 10 in separation 130.
Advantageously, by allowing the inflow of water into (and outflow) separation 130 and controlling the flowing, floatation unit 100 can be controlled
Weight, and therefore can control the draft of floatation unit 100.That is, floatation unit 100 is located in ambient water 10
Depth can be controlled with the water in separation 130.The control is operated and passed through by the selectivity of flow controller 132
Realized using the weight of the change of unit during hydrocarbon is loaded into unit 100 and unloaded from unit 100.Because floating is single
The draft of member 100 influences stability (that is, fluctuating, pitching and inclination) of the floatation unit in water, so control floating is single
The draft of member 100 can be optimised the stability of floatation unit.
Floatation unit 100 includes being used for the container 119 for storing the hydrocarbon produced.Container 119 is in the He of periphery hull wall 118
Arranged between separation 130 around separation 130.The size of container 119 and the variable dimension of separation 130 and it can be set according to user
Meter and operation are required and are configured.
As container 119 is filled by hydrocarbon, the weight of floatation unit 100 as caused by hydrocarbon and draft increase.Namely
Say, the increase of the hydrocarbon of the storage in floatation unit 100 will provide floatation unit 100 the downward bias into water.As above institute
State, the bias provided by the weight of hydrocarbon, which can be used for passing water through bottom opening 178, to be flowed into separation.Because bottom opening 178 is beaten
Open, and separation 130 is located at atmosheric pressure due to the upper shed 136 of separation, so as hydrocarbon fills container 119, floating
Unit 100 will sink, and cause water to flow into separation so that the water level in separation is substantially equal to the water level of ambient water 10.Floating
During the operation of unit 100, flow controller 132 can be opened and closed, with the hydrocarbon amount and separation in container 119
Aqueous phase in 130 controls water to flow in or out separation 130 for the water level of ambient water.In this way, it is possible to control floating single
The draft of member 100, so as to optimize the stability of floatation unit, without being come using any pump and its associated system
Water is pumped into and pumped out separation.Advantageously, this simplifies and reduces the construction and running cost of floatation unit 100, therefore increases
Economic feasibility using floatation unit from marginal field recovery hydrocarbon.
In Fig. 1, the bottom section 134 of separation 130, or more specifically base portion 124 is shown as and hull 110
Bottom 122 is spaced apart.The distance between the base portion 124 of separation 130 and the bottom 122 of hull 110 can be designed and grasped by user
It is required influence.Bottom 122 of the base portion 124 of separation 130 parallel to hull 110.The cross sectional dimensions and shape of separation 130 can
Changed with being designed and being required according to user.
In addition, the bottom 122 of hull 110 is shown as relatively flat in Fig. 1.However, designed and operated according to user
It is required that hull 100 may also include bottom 122 of different shapes, such as sunken bottom, concave bottom or slope etc..
Flow controller 132 may include current limiter or valve or any other suitable volume control device.Current limiter can
It is conical so that when the water level of the projecting water 10 of the water level for the water 10 being stored in separation 130, then the difference of hydraulic pressure
Contribute to the sealing of current limiter or valve.
Alternatively, the base portion 124 of separation 130 may be configured as extending across the bottom 122 and bottom of hull 110
The entirety of opening 178, and therefore flow controller 132 can be located in any suitable position or ship on bottom 122
(Fig. 3 shown below is similar at the periphery hull wall 118 of body 110).According to user design and operate require, bottom opening and
Any other positioning of associated flow controller 132 is also possible.
Floatation unit 100 may include the deck 120 at the top section 116 of hull 110.In such embodiments,
The opening 136 of separation 130 extends through deck 120.In addition, deck 120 may be adapted to supporting processing module (not shown) thereon
To handle hydrocarbon.Generally, deck 120 is positioned at a minimum of about 2 meters of the top of platform 114, is operated with being provided for processing module
Safe distance, and not by from storage separation 119 any appropriate hydrocarbon gas discharge influenceed.Usual deck 120 is by building
Mullion or stool (stool) 135 on the top of platform 114 supports.
Fig. 2 shows the top view of Fig. 1 floatation unit 100.As shown in Fig. 2 separation 130 is arranged on ship with being centered
In body 110.Separation 130, which is positioned at the center of hull 110, can be beneficial to when water is filled in separation 130 to hull
110 provide uniform balance and vertical stability.As shown in figure 9, separation 130 is positioned at eccentric position or any other position
Available for additional stability is given to hull 110 in vertical plane and Plane of rotation.Included in this eccentric separation
Water can be altered to hull 110 provide balance (trim) effect.Bottom opening 178 and associated flow controller
132 are shown at the center of base portion 124 of separation 130.However, bottom opening 178 can also be positioned in separation 130
Any suitable opening position at base portion 124, or any other suitable position (such as position shown in Fig. 3) place.
Fig. 3 shows another embodiment of floatation unit 300.Similar to Fig. 1, floatation unit 300 includes having top section
316 and the hull 310 of the base section 312 positioned at the lower section of top section 316.Hull 310 has periphery hull wall 318.Periphery
Hull wall 318 extends to base section 312 from top section 316.Hull 300 also has flat bottom or base portion 322.However,
Hull 310 is also configured to have such as concave bottom or convex portion.Hull 310 has cylinder form.No matter towards floatation unit
How are 300 wave or the direction of wind, and cylinder form is that floatation unit 300 is provided with uniform stability.Hull 310 has
Circular section shape as shown in Figure 4.However, in other embodiments, hull can have such as ellipse, triangle
Or the level cross-sectionn region of quadrangle form, to be suitable for the directionality of wave or wind.Level cross-sectionn be considered as through
The cross section of hull 310, it is roughly parallel to deck 320 or the surface of water 10.
Floatation unit 300 has multiple separations 302 added to central compartment 330, for keeping water, including around floating
The periphery ballast box 328 and the circumferential ballast box 344 around the setting of central compartment 330 that the periphery of the hull 310 of unit is set.
The top section 316 of hull 310 includes deck 320.Deck 320 is suitable to support processing module (not show thereon
Go out).
Deck 320 is supported on the stool 335 of the top of platform 314 of floatation unit 300.Platform 314 is positioned in water
Above 10 top layer.Although in other embodiments, platform 314 can be less than deck 320, platform 314 will be on water 10
Side, such as more than 4-5 rice, to prevent wave to be flushed on platform 314 or deck 320.Therefore, platform 314 can be on the top of hull 310
In portion part 316.Platform 314 can tilt down towards the upper shed 336 of central compartment 330.Referring to Fig. 3, platform 314 can have
The outer peripheral edge 324 of inward flange 326 closer to periphery hull wall 318 and higher than the platform 314 closer to opening 336.
This enables the liquid on platform 314 to flow to opening 336 and enter separation 330.Outer peripheral edge 324 can be with periphery hull wall
318 overlap, and inward flange 326 can be with the coincident of opening 336.By the way that platform 314 is tilted towards opening 336, fluid
(such as the hydrocarbon fluid on platform 314 or deck 320 overflows) can flow to opening 336 and enter separation 330.In this way,
Fluid can be prevented to be discharged into the marine site of surrounding, this will cause environmental problem.
The base section 312 of hull 310 is the part being immersed in water 10 of hull 310.Therefore, base section 312
Size can be changed according to immersion water plane of the hull 310 in water 10 relative to hull 310.The immersion level of hull 310
The weight of processing module depending on the amount of the fluid that is stored in floatation unit 300, on deck 320 and floating is single
First 300 weight of itself.
The bottom of hull 310 or base portion 322 can be the double-walled base portions for having therebetween space.Periphery ballast box 328 is along ship
The periphery hull wall 318 of body 310 circumferentially extends.Periphery ballast box 328 can be a single case, or may include to surround periphery
Multiple casees that hull wall 318 is equally spaced.In one embodiment, multiple casees can be provided and with opposite to cloth with even number
Put.Therefore, reciprocal periphery case can be filled simultaneously, to balance floatation unit 300 during filling process.Press on periphery
The ballast carried in case 328 can be liquid, such as water or seawater.
The additional liquid ballast case that periphery hull wall 318 may include to be contained in periphery ballast box 328 (does not show in Fig. 3
Go out).If collided on hull 310, the position liquid ballast case by the container to be contained in hull 310
319 provide crash protection.Periphery hull wall 318 itself is protected with the double-walled with space therebetween with providing collision to container 319
Shield.
Container 319 is arranged to storage of hydrocarbon fluid after the treatment.Container 319 is arranged on the He of periphery hull wall 318
Between the separation 330 of floatation unit 300 and between deck 320 and the base section 312 of hull 310.
Referring to Fig. 3, somewhere of the separation 330 out of hull 310 base section 312 extends towards platform 314.If platform
314 be the deck 320 of floatation unit 300, then separation 330 extends out of base section 312 to the deck 320 of floatation unit 300.
Separation 330 can have the top section 338 above bottom section 334.Top section 338 can be adjacent to platform 314 so that separation
330 upper shed 336 is provided in the top section 338 of separation 330.Separation 330 may include the base section from hull 310
The circumferential wall 340 extended in 312 to platform 314.Circumferential wall 340 has cylinder form.Separation 330 includes planar base portion 342.
The bottom 322 of base portion 342 at the bottom section 334 of separation 330 parallel to hull 310.
As shown in Figure 3, circumferential wall 340 limits the inwall of circumferential ballast box 344.Circumferential ballast box 344 is from hull 310
Somewhere in base section 312 extends to the top section 316 of hull 310.Circumferential ballast box 344 can be single case or enclose
The form for the multiple casees being equally spaced around circumferential wall 340.Ballast in circumferential ballast box 344 can be liquid, such as water or
Seawater.
Circumferential ballast box 344 in periphery ballast box 328 and corresponding periphery hull wall 318 and circumferential wall 340 is to container
319 provide the further protection to impact resistance.If the container 319 containing hydrocarbon damages, this plants case arrangement can also mitigate hydrocarbon
Leakage into surrounding sea.More sub- casees are each divided into periphery ballast box 328 and circumferential ballast box 344,
It can be formed a series of radially spaced apart casees.
Floatation unit 300 also includes one or more standpipes 350, for drawing to floatation unit 300 or from floatation unit 300
Hydrocarbon is led, to handle or export respectively.Separation 330 is suitable to receive the standpipe 350 that passes through so that standpipe 350 is from hull 310
Outside extends into separation 330 by the base portion 342 of separation 330 or the flat bottom 322 of hull 310, and by platform 314
Upper shed 336 extend separation 330.Therefore, separation 330 forms " moonpool (moonpool) " so-called in this area.It is vertical
Pipe 350 is the pipeline of the hydrocarbon fluid of the production for the former well fluids or output being incorporated into.In figure 3, a standpipe is only shown
350, but can have multiple standpipes 350 in the separation 330 of floatation unit 300.As mentioned, standpipe 350 passes through separation
330 base portion 342.Base portion 342 has sealing mechanism (not shown in Fig. 3), with prevent water by standpipe 350 and base portion 342 it
Between interface penetrate into or ooze out separation 330.Separation 330 provides protection to standpipe 350, and its neutral tube 350 is safely contained within
Separation 330 is interior and is protected against any unexpected damaged in collision.Standpipe 350 can be transported to fluid from the well on seabed
The input standpipe of floatation unit 300 and/or product oil is transported to the output of oil tanker or outlet conduit from floatation unit 300 stood
Pipe.
Floatation unit 300 also includes the associated flow controller 332 of opening and setting in the opening, such as current limiter
Or valve or other suitable devices, enter and leave the water-carrying capacity of separation 330 for controlling.Each flow controller 332 can
It is adapted to allow for water 10 to be flowed out via opening from marine inflow separation 330 and from separation 330.Each flow controller 332 is equal
It can be set along the periphery hull wall 318 of hull 310.The example of flow controller 332 as shown in Figure 3, but can also use
Any other suitable flow controller 332, if the flow controller 332 allow via associated opening control disengaging every
The flow of the water 10 in cabin 330.
Loaded first in container 319 after floatation unit 300 is being drawn to hydrocarbon field and is being operatively coupled to this
During hydrocarbon, floatation unit 300 will be further sunk in water 10 because of the weight of hydrocarbon.One or more of flow controller 332 exists
Opened during or after the filling step, to allow water 10 to enter in separation 330.Separation 330 can be filled according to operation requirement
To the water level of seawater 10.Separation 330 is filled with dampening 10, floatation unit 300 will be further sunk in water 10.Work as floatation unit
300 by water 10 and hydrocarbon when being filled, and floatation unit 300 will be further immersed in water 10, and therefore floatation unit 300 is stablized.
Therefore, (i.e. draft) will increase the distance between from the bottom 322 of hull 310 to the water level of water 10.Therefore, floatation unit
300 base section 312 will become larger.Base section 312 can become big as the top section of floatation unit 300 316
Or the top section 316 more than floatation unit 300.As floatation unit 300 is filled water 10 and hydrocarbon, floatation unit 300 is entered
One step is stablized, and pitching, inclination and the fluctuating of floatation unit 300 will be reduced.When hydrocarbon, which loads, to be completed, flow controller
332 are turned off to water 10 being maintained in separation 330.Each whole loading being both designed in hydrocarbon of flow controller 332
Opened and closed with the different time during unloading to control the flow of the water 10 of disengaging separation 330.
When hydrocarbon is unloaded from floatation unit 300, by the way that flow controller 332 is maintained in its closed position, in separation 330
Water body 10 be maintained in separation 330, and the water of the weight provides additional ballast to floatation unit 300 and acted on, and such as
The other situation that fruit water is not maintained in separation 330 is compared, and this provides floatation unit 300 bigger stability.
It is understood that during unloading step, although maintaining water in separation 330, the gross weight of floatation unit 300 also subtracts
It is small, and this causes the draft of unit 300 to reduce, i.e., and unit is in water float get Geng Gao.It may also be appreciated that with flow control
Device 334 processed is closed, and the ascending motion causes the water level in separation 330 higher than the water level outside unit 300.The difference of water level means
When flow controller 334 is opened, water will flow out from separation 330, so as to which water level will flush.
When more hydrocarbon are loaded onto in container 319, due to the weight of hydrocarbon, floatation unit 300 will further be sunk to again
In water 10.As the loading step is carried out, flow controller 334 can be opened, to allow water to be flowed out from separation 330, Zhi Daoshui
Position flushes with the water level outside unit 300.The step allows the operator to during loading process optionally control unit 300
Draft.When loading process is completed, flow controller 334 is closed, and the unloading with floatation unit 300 and loading
Continue and repeat order described above.This is sequentially further described on Fig. 7.
Referring to Fig. 3, floatation unit 300 includes the bilge keel 360 protruded from the sidepiece of the base section 312 of hull 310,
So that when floatation unit 300 is swum on water 10, bilge keel 360 is immersed in water 10.
Bilge keel 360 surrounds a part for the base section 312 of hull 310.Bilge keel 360 is arranged on hull
At 310 base section 312, to produce the peak torque of the center of gravity from floatation unit 300, to resist floatation unit 300
Inclination and pitching.Bilge keel 360 is set around periphery hull wall 318.Bilge keel 360 is continuous circular shape structure, such as
Around the annular ring of hull 310, to provide the bigger stability of inclination and the pitching of resistance floatation unit 300.However,
In other embodiments, bilge keel 360 includes the multiple projections extended from the base section 312 of hull 310.It is single to be deployed in floating
Multiple projections in member 300 can be even number so that peripherally the Athwartship 310 of hull wall 318 is opposite each other for a pair of projections
Set, to provide balance for floatation unit 300.
Bilge keel 360 is filled with weight loading, such as concrete, other weight carrier materials or with higher than water 10
The material of density so that it is that floatation unit 300 provides preferably surely that it is (as shown in Figure 6), which to fill bilge keel 360, with ballast 361
It is qualitative.
Fig. 4 shows the top view of floatation unit 300.As illustrated, container 319 is arranged on periphery hull wall 318 and week
To between wall 340.
Fig. 5 A show the sectional view of the floatation unit 300 of the circumferential wall 340 of tapered profiles, and Fig. 5 B are shown
The sectional view of floatation unit 300 with the circumferential wall 340 for having stepped profile.
Referring to Fig. 5 A, when compared with the part of the separation 330 in the top section 316 with hull 310, illustrated implementation
Separation 330 in example has bigger cross-sectional area in base section 312.As circumferential wall 340 is from platform 314 towards ship
The base section 312 of body 310 extends, and circumferential center of the wall 340 away from separation 330 is outwards tapered.Circumferential wall 340 has butt
Cone shape.
Referring to Fig. 5 B, as circumferential wall 340 stretches out from platform 314 towards base section 312, illustrated embodiment
In circumferential wall 340 be stepped profile.Circumferential wall 340 extends from the bottom 322 of hull 310 to deck 320.When separation 330
When being filled, the separation 330 when being filled with water with stepped profile wall is isometric in Fig. 5 A taper separation
Water provides relatively low center of gravity, and thus provides more stable floatation unit 300.
In Fig. 5 A and Fig. 5 B, inclined circumferential wall 340 or staged circumference wall 340 are designed as needed, to reduce
Center of gravity (G C) containing seawater, so that ballast effect maximizes.
Fig. 6 provides the close-up cross-sectional view of the bilge keel 360 of Fig. 3 floatation unit 300.Such as the bilge keel 360 in Fig. 6
Sectional view shown in, bilge keel 360 has top surface 362, the basal surface 364 opposite with top surface 362 and from top surface
362 outsides 366 for extending to basal surface 364 and being spaced apart with periphery hull wall 318.Outside 366 is respectively at top surface 362 and bottom
Each terminating at one end in surface 364.Top surface 362 tilts away from periphery hull wall 318, and basal surface 364 and ship
The flat bottom 322 of body 310 is concordant.Bilge keel 360 can also extend along other directions, such as outside from periphery hull wall 318
And extend downward or upward.In other embodiments, bilge keel 360 is attached to the weight of hull 310.
Also as shown in Figure 6, the floor 370 that floatation unit 300 also includes stretching out from bilge keel 360 is (in Fig. 3
In do not illustrate floor).Outside 366 of the floor 370 along bilge keel 360 extends.Floor 370 include in the first direction from
Part I 372 that bilge keel 360 stretches out and the Part II to stretch out in a second direction from Part I 372
374.In the case that alow keel 360 are multiple projections, floor 370 includes multiple plates, each from ship in multiple plates
The each of bottom keel 360 stretches out.The first direction that the Part I 372 of floor is extended is along or beyond bilge keel
The plane of 360 top surface 362.The second direction that the Part II 374 of floor is extended is at an angle of with the first direction.
Therefore, as shown in Figure 6, the Part I 372 of the top surface 362 of bilge keel 360 and floor 370 forms single around floating
The V-arrangement passage of the periphery hull wall 318 of member 300.In addition, Part I 372 and Part II 374 surround periphery hull wall 318
Form inverted V-arrangement ridge.Floor 370 can provide resistance to wave, so as in the pitching, inclination and fluctuating of floatation unit 300
Damping function is produced during motion.
Floatation unit 300 also includes the backing plate 376 to stretch out from bilge keel 360.Backing plate 376 is from bilge keel 360
Basal surface 364 near outside 366 radially extend.Backing plate 376 is along the Part I with Ceiling 370 or at least with Ceiling
The 372 direction extensions deviateed.
As summary, periphery ballast box 328, circumferential ballast box 344, bilge keel 360, floor 370 and separation 330
Function is collectively or individually stable floatation unit 300 and to make the fluctuating, pitching and roll motion of floatation unit 300 minimum
Change, particularly in adverse weather conditions.
Fig. 7 is the flow chart 1000 for illustrating an embodiment, although not being the floating list of stable production and storage suitable for hydrocarbon
The exclusive embodiment of the method for member 100,300.Initially, all separations will be closed for loading and transporting, so that " drifting out " eats
Water depth minimum (1001).When reaching offshore location, leading to the opening of separation will be opened, and ballast box 328,344 will
It is submerged (1002).Floatation unit will absorb water opening position in the installation and be anchored in place.Complete standpipe connection and other debugging
After activity, hydrocarbon production operation starts.After hydrocarbon production reaches the maximum storage capacity of container 119,319 of floatation unit,
Floatation unit will be in its maximum draft (1003).Now, flow controller 132,332 puts up with the quilt before unloading operation
Close (1004).Then, hydrocarbon is output, and the floatation unit with the water kept in separation will rise to minimum operation and eat
Water depth (1005).
Then produce more hydrocarbon (1006).When container is partly refilled (such as capacity up to 60%-80%) more
During hydrocarbon, flow controller is then opened (1007).When the water level in separation flushes with the water level of surrounding, floatation unit will be in water
In slightly rise.Then, the residual capacity of container is filled with more hydrocarbon, floatation unit is returned to its maximum draft
(1008).Now, flow controller is just closed again (1004) before unloading is straight.The operation circulation is in whole field production period
(i.e. step 1004-1008) continues.During the operation circulation, the water level in separation is preferably held in container 119,319
Hydrocarbon above water so that the stability and draft of floatation unit can be maximized.
Fig. 8 shows the sectional view of the floatation unit 500 according to another embodiment.Floatation unit 500 in Fig. 8 is similar to figure
Floatation unit 300 in 3, the moonpool form that difference includes being arranged in hull 510 in the floatation unit 500 in Fig. 8
Multiple separations 530.Fig. 8 floatation unit 500 on floatation unit 100,300 by with describing and in a manner of illustrating in the figure 7
Identical mode operates.
The multiple separation includes central compartment and is equally spaced around central compartment and towards the ship of floatation unit
The periphery separation of the periphery positioning of body 510.Each opening 578 for being fluidly connected to lead to ambient water 10 in separation 530, with
Enable water to flow in and out each separation.Associated flow controller 532 is provided in each opening 578, that can control
System passes in and out the water-carrying capacity of each separation.Each separation 530 also has the upper shed 536 through the top section of hull 516, so that
The atmospheric pressure of side waterborne in each separation is environmental air pressure.
Each flow controller 532 can operate simultaneously, so as to balancedly control be stored in it is every in multiple separations 530
The water level of water 10 in individual.However, each flow controller 532 can be operating independently and be stored in multiple separations to control respectively
The water level of water 10 in each in 530.In fig. 8, separation 530 is shown as separating each other, but in alternative embodiments,
Separation 530 can also be in fluid communication with each other so that the water level in separation 530 can flush, and in certain embodiments can be by list
Individual flow controller 532 controls.
In addition to the multiple separation, floatation unit 500 also includes periphery hull wall 518, and it, which is included, is suitable to accommodate pressure
At least one ballast box 528 of loading.Ballast box 528 is along between the adjacent separation 530 set around the periphery of hull
The periphery hull wall 518 of hull 510 circumferentially extends.Each ballast box 528 may include single case or peripherally hull wall 518 is distributed
Multiple casees.Multiple ballast boxs 528 can be equally spaced, or using any other suitable arrangement.
Circumferential ballast box 544 provides also around central compartment 530.The circumferential wall 540 of central compartment 530 limits circumferential ballast
The inwall of case.Ballast in ballast box 528 and circumferential ballast box 344 can be liquid, such as water or seawater.
Each in multiple separations 530 at periphery hull wall 518 can pass through one or more intermediate compartments
576 separate with the separation 530 at center positioned at hull 510, one or more intermediate compartments 576 remain sky space or
It is configured as being used as ballast box filled with liquid.
In fig. 8, a standpipe 550 is only shown in the separation 530 at the center of floatation unit 500.However, root
According to needs, more than one standpipe 550 may be present in the separation 530 at the center of hull 510, or may be present positioned at it
One or more of one or more of its separation 530 standpipe 550.
Fig. 9 shows the top view of the floatation unit 500 in Fig. 8.As shown in Figure 9, there are four separations 530.However, separation
530 quantity can change and may depend on user's request.The arrangement of separation 530 can also become according to design and user's request
Change.In addition, each separation 530 is shown as substantial cylindrical and is of the same size on cross section.However, separation
530 shape of cross section and size can change according to user's request.
Line X-X in Fig. 9 shows the direction that the viewgraph of cross-section of the floatation unit 500 in Fig. 8 is intercepted.
The in an open position and floatation unit of closed position 700 flow controller is shown respectively in Figure 10 A and Figure 10 B
732 corresponding sectional view.
Flow controller 732 is shaped as with being formed in periphery hull wall 718 (or can also be the bottom of hull)
Passage 776 shape it is corresponding.The direction that flow controller 732 drops in passage 776 is such as shown to point to passage by " F " direction
In 776.In Figure 10 A and Figure 10 B, flow controller 732 is shown as trapezoidal or conical butt, but can also use and appoint
What its suitable shape, as long as when flow controller 732 is in closed position as shown in Figure 10 B, flow controller 732
A part be suitable to close opening 778 to prevent any current.In addition, stream can be passed through by the water-carrying capacity of opening 778
Degree and speed that amount controller 732 drops in passage 776 controls.In addition, flow controller 732 is closer to opening 778
Positioning, the volume flow by the water of opening 778 are lower.Therefore, when the closer positioning of opening 778 of flow controller 732, deposit
In higher resistance to water-flow, so as to provide damping action for current.
Passage 776 can be sized to so that when flow controller 732 is activated (or being reduced towards opening 778) to close
Be open 778 when, flow controller 732 is snugly fit inside in passage 776.Alternatively, passage 776 can be dimensioned so that when stream
When amount controller 732 is actuated to close opening 778, still had in the either side of flow controller 732 or both sides more than some
Amount.The size and dimension of passage 776 can change according to design and user's request.
In addition, each flow controller 732 can be by floatation unit 700 or being located remotely from floatation unit 700
The control device of opening position be individually or simultaneously activated or control.All flow controllers 732 are controlled to will ensure that simultaneously
Balance route is stored in the amount and water level of the water 10 in each separation.
Flow controller 732 is provided with cone shape so that hydraulic pressure on the broad side of flow controller 732 be higher than compared with
Hydraulic pressure on narrow side, so as to which flow controller 732 can be made when needing water to be kept or be contained in separation towards its closing
Arrangement bias.Spring can also be provided so that flow controller 732 to be biased towards its closing arrangement.
According to various embodiments, single separation 130,330,530 is usually located at the center of floatation unit 100,300,500,
But in the case of using multiple separations 130,330,530, it is at least some positioned at floating in these separations 130,330,530
Front, stern, larboard or the starboard position of unit 100,300,500.
According to various embodiments, when container 119,319 is filled, the flow control in each separation 130,330,530
Device 132,332,532 is closed so that more stable draft can be realized when goods is unloaded.In continuous production and fill out
During filling container 119,319, flow controller or valve 132,332,532 can progressively be opened so that stability and draft most
Optimization.
According to various embodiments, more than one opening and associated flow may be present in each separation 130,330 and 530
Controller 132,332,532.Opening and the quantity of associated flow controller 132,332,532 depend on user and design and need
Ask.
According to various embodiments, the size of floatation unit, which is designed and operated by user, to be required to be influenceed, but in general
It is proportional so that minimum planes size is not more than twice of the depth of floatation unit, and maximum planes size is not more than
4 times of floatation unit depth.Expected diameter range is about 40 to 60m, and depth is about 20 to 30m.
Floatation unit is to support the safe and stable unit of production of hydrocarbons equipment, and will not under the conditions of adverse weather
There is the action for disturbing or closing production process.Meanwhile floatation unit can safely store the hydrocarbon fluid after a certain amount of processing,
Untill at the time of such as they can be offloaded to collection oil tanker.
Floatation unit is especially suitable for smaller and more challenge marginal field (although simultaneously non-uniquely).Therefore,
Floatation unit has the storage volume smaller than conventional FPSO units.Floatation unit is specifically designed as having relatively low center of gravity
(bilge keel filled by heavy ballast), and because floatation unit does not have elongated ship shape, with
The oil tanker type of FPSO units is compared, and shows more regular/uniform kinetic characteristic.For example, if storm wave height is in all directions
Upper roughly the same, then round-shaped floatation unit has the stability profile more balanced than conventional oil tanker.
Because floatation unit need not be towards wind vane, so mooring/rotary system of costliness need not be installed.Therefore,
Floatation unit than routine FPSO unit considerably cheapers, and for less marginal offshore oil and gas field economically more
It is feasible.
Although being specifically illustrated by reference to specific embodiment and describing the present invention, those skilled in the art should manage
Solution, can be in form and details in the case where not departing from the spirit and scope of the present invention limited such as appended claims
On various changes are made to it.
The scope of the present invention indicates by following claims, and therefore the equivalents of fallen with claim contain
In change in justice and scope is intended to and covered in.
Claims (30)
1. a kind of floatation unit for being used to producing and storing hydrocarbon, the unit include：
The hull swum in use in water；
For storing at least one case of hydrocarbon；
Separation, have and be used for the opening that water flows in and out the separation；With
Flow controller, its is operable to open and close water level of the opening to control in the separation, so as to control
State stability of the unit in water.
2. unit according to claim 1, wherein the separation can lead to air, so that the pressure in the separation is big
Atmospheric pressure.
3. the unit according to claim 1 or claim 2, wherein when the water level in the separation is higher than the hull institute
During the water level of floating, the flow controller is biased towards the closing opening.
4. the unit according to any one of preceding claims, including multiple separations.
5. unit according to claim 4, including at least three separations.
6. unit according to claim 5, wherein one in the separation is centrally located with the hull, and
Other separations can position towards the periphery of the hull.
7. unit according to claim 6, wherein other separations are set around the periphery of the hull equally spaced from each otherly
Put.
8. the unit according to any one of preceding claims, wherein one or more of described separation includes extension
By the standpipe of the separation, for from the unit load and/or unloading hydrocarbon.
9. a kind of method for the stability for controlling the floatation unit for producing and storing hydrocarbon, the floatation unit, which has, to be swum in
Hull in water, methods described include：
At least one case that hydrocarbon is loaded into the hull is neutralized and unloads out from least one case in the hull by hydrocarbon；
Water is allowed to flow in and out the ship by the opening of the fluid communication floated with the hull in the hull
Separation in body；With
The opening is selectively opened or closed by the amount of the hydrocarbon at least one case to control the separation
In water, so as to control stability of the unit in water.
10. according to the method for claim 9, including open the opening and thus allow the inflow of water into the separation, with
And hydrocarbon is loaded at least one case, so as to which the water level in the separation is as the loading continues and increases, and
The water level floated with the hull flushes, wherein the water in the separation contributes to the stability of the unit.
11. according to the method for claim 10, further comprise closing the opening when hydrocarbon is loaded when step has been completed, and
Thus prevent water from being flowed out from the separation.
12. according to the method for claim 11, including unloading is stored in hydrocarbon at least one case, so as to it is described every
Water level in cabin becomes to be above the water level that the hull is floated, wherein the water kept in the separation contributes to the unit
Stability.
13. at least one case is refilled according to the method for claim 12, including at least in part with more hydrocarbon, and
And the opening is opened during this refills step, and thus make what the water potential in the separation was floated with the hull
Water level flushes.
14. a kind of floatation unit of production and storage suitable for hydrocarbon, the floatation unit includes being arranged in the top of the hull
Platform on part and the multiple separations being arranged in the hull, each separation is from the base section of the hull along Vertical Square
To extending to the platform, and each separation has at least one flow controller, such as current limiter, valve or valve system, with
Control flows in or out the water-carrying capacity of the separation, to control the water level for the water being stored in the separation, and wherein institute
Stating platform includes the multiple openings associated with the multiple separation.
15. unit according to claim 14, wherein at least one in the multiple separation passes through suitable for reception
At least one standpipe, wherein at least one standpipe extends through the base section on the outside of the hull, and by described
One in the opening in platform extends described at least one in the multiple separation.
16. according to the unit described in claim 14 or claim 15, wherein each separation is included from described in the hull
The circumferential wall of the platform is extended in base section so that as the circumferential wall extends to the hull from the platform
The base section, the center of the circumferential wall away from the separation are outwards tapered.
17. unit according to claim 16, wherein the circumferential wall includes being suitable at least one pressure for accommodating ballast
Carry case.
18. the unit according to any one of claim 14 to 17, wherein the platform can be towards in the platform
It is described Open Side Down tilt.
19. the unit according to any one of claim 14 to 18, including periphery hull wall and flat bottom.
20. unit according to claim 19, wherein the periphery hull wall includes being suitable to accommodate at least the one of ballast
Individual ballast box.
21. the unit according to any one of claim 14 to 20, wherein the hull includes being had according to user's request
There is the level cross-sectionn region of circle, ellipse, triangle, quadrangle or any other shape.
22. the unit according to any one of claim 14 to 21, including dashed forward from the base section of the hull
The bilge keel gone out so that when the floatation unit floats on the water, the bilge keel is submerged.
23. unit according to claim 22, wherein the bilge keel surrounds the base section of the hull.
24. according to the unit described in claim 22 or claim 23, wherein the bilge keel is filled with weight loading,
That is concrete or other materials that are heavier, generally substantially being weighed than water.
25. the unit according to any one of claim 22 to 24, including the floor from bilge keel extension.
26. unit according to claim 25, wherein the floor include in the first direction from the bilge keel to
The Part I of outer extension and the Part II to stretch out in a second direction from the Part I.
27. the unit according to any one of claim 14 to 26, wherein the base section of the hull includes
Suitable for accommodating at least one ballast box of ballast.
28. the unit according to any one of claim 14 to 27, wherein at least one corresponding flow control
Device includes any other suitable control device of valve, current limiter or the water-carrying capacity that control can be allowed to pass in and out the separation.
29. a kind of stabilization is suitable to the method for the floatation unit of production and storage of hydrocarbon fluid, methods described is included described in hydrocarbon loads
Floatation unit；Control flows into the water-carrying capacity of the separation, so that the water around the water level and the floatation unit in the separation
Position is same or below the water level around the floatation unit；And unload hydrocarbon fluid from the floatation unit.
30. according to the method for claim 29, including the water-carrying capacity of the separation is flowed out in control, so that in the separation
Water level is identical with the water level around the floatation unit or higher than the water level around the floatation unit.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/MY2015/000005 WO2016117997A1 (en) | 2015-01-20 | 2015-01-20 | A floating unit and a method of stabilizing the floating unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107531316A true CN107531316A (en) | 2018-01-02 |
| CN107531316B CN107531316B (en) | 2020-02-18 |
Family
ID=56417443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580077049.XA Expired - Fee Related CN107531316B (en) | 2015-01-20 | 2015-01-20 | Floating unit and method of stabilizing the floating unit |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN107531316B (en) |
| AU (1) | AU2015378716B2 (en) |
| SG (1) | SG11201705948YA (en) |
| WO (1) | WO2016117997A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110395350A (en) * | 2019-08-07 | 2019-11-01 | 浙江海洋大学 | A kind of oil storage chamber based on oil carrier |
| CN113047672A (en) * | 2021-03-26 | 2021-06-29 | 郝刚 | Construction method of floating and diving type intelligent control safe swimming pool suitable for natural water area |
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| GB2253813A (en) * | 1991-03-21 | 1992-09-23 | Bp Exploration Operating | Production buoy |
| CN1516661A (en) * | 2001-05-10 | 2004-07-28 | Offshore platform for drilling after or production of hydrocarbons | |
| CN1720165A (en) * | 2002-10-16 | 2006-01-11 | 辛格尔浮筒系船公司 | Riser installation vessel and method of using the same |
| CN101421151A (en) * | 2006-04-17 | 2009-04-29 | 巴西石油公司 | Mono-column fpso |
| CN102149598A (en) * | 2008-09-11 | 2011-08-10 | 塞万海洋股份有限公司 | Floating unit for storage of gas |
| CN202743445U (en) * | 2012-06-07 | 2013-02-20 | 中国海洋石油总公司 | Floating type production platform with both drilling and oil storage functions |
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|---|---|---|---|---|
| US7980190B2 (en) * | 2007-12-21 | 2011-07-19 | Technip France | Deep draft semi-submersible LNG floating production, storage and offloading vessel |
| SG175061A1 (en) * | 2009-11-08 | 2011-11-28 | Ssp Technologies Inc | Offshore buoyant drilling, production, storage and offloading structure |
| GB2507370B (en) * | 2013-05-15 | 2014-10-15 | Atkins Ltd | Compact floating production, storage and offloading facility |
-
2015
- 2015-01-20 WO PCT/MY2015/000005 patent/WO2016117997A1/en active Application Filing
- 2015-01-20 AU AU2015378716A patent/AU2015378716B2/en not_active Ceased
- 2015-01-20 SG SG11201705948YA patent/SG11201705948YA/en unknown
- 2015-01-20 CN CN201580077049.XA patent/CN107531316B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2253813A (en) * | 1991-03-21 | 1992-09-23 | Bp Exploration Operating | Production buoy |
| CN1516661A (en) * | 2001-05-10 | 2004-07-28 | Offshore platform for drilling after or production of hydrocarbons | |
| CN1720165A (en) * | 2002-10-16 | 2006-01-11 | 辛格尔浮筒系船公司 | Riser installation vessel and method of using the same |
| CN101421151A (en) * | 2006-04-17 | 2009-04-29 | 巴西石油公司 | Mono-column fpso |
| CN102149598A (en) * | 2008-09-11 | 2011-08-10 | 塞万海洋股份有限公司 | Floating unit for storage of gas |
| CN202743445U (en) * | 2012-06-07 | 2013-02-20 | 中国海洋石油总公司 | Floating type production platform with both drilling and oil storage functions |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110395350A (en) * | 2019-08-07 | 2019-11-01 | 浙江海洋大学 | A kind of oil storage chamber based on oil carrier |
| CN113047672A (en) * | 2021-03-26 | 2021-06-29 | 郝刚 | Construction method of floating and diving type intelligent control safe swimming pool suitable for natural water area |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016117997A1 (en) | 2016-07-28 |
| AU2015378716B2 (en) | 2020-02-27 |
| CN107531316B (en) | 2020-02-18 |
| AU2015378716A1 (en) | 2017-09-07 |
| SG11201705948YA (en) | 2017-08-30 |
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