CN106043602A - Single-point berthing device - Google Patents
Single-point berthing device Download PDFInfo
- Publication number
- CN106043602A CN106043602A CN201610414673.0A CN201610414673A CN106043602A CN 106043602 A CN106043602 A CN 106043602A CN 201610414673 A CN201610414673 A CN 201610414673A CN 106043602 A CN106043602 A CN 106043602A
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- China
- Prior art keywords
- lower limb
- floating drum
- basal disc
- alongside
- limb post
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
- B63B59/02—Fenders integral with waterborne vessels or specially adapted therefor, e.g. fenders forming part of the hull or incorporated in the hull; Rubbing-strakes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
-
- 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
- B63B2021/505—Methods for installation or mooring of floating offshore platforms on site
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a single-point mooring device, which comprises a mooring buoy capable of floating on the water surface, a vertically arranged single anchor leg and a connecting steel arm arranged between the mooring buoy and the single anchor leg; the mooring buoy comprises a body and at least one mooring pad fixed on the outer side of the body, wherein the body is provided with a bow and a stern; the single anchor leg comprises a leg column and a return buoy connected to the leg column; one end of the connecting steel arm is rotatably connected with the outer side of the body, and the other end of the connecting steel arm is rotatably connected with the upper part of the leg column; and the lower end of the leg column is rotatably connected with the base plate. The invention can be used as an output terminal for loading and unloading oil, can be used for temporary or permanent mooring, and has the advantages of simple operation, convenient removal, low cost and convenient maintenance.
Description
Technical field
The present invention relates to the technical field of ocean engineering, store and the single-point alongside of transport particularly to a kind of offshore oil
Device.
Background technology
Along with offshore oil exploration and development and the development of marine transportation industry, the development of single point mooring technique is the rapidest.Mesh
Before, this technology as a kind of maturation marine transfer, store in a warehouse, technology of transferring competitively is used by countries in the world.Single point mooring
System is divided into two application categories from industry characteristic.One, single-point is as marine transit terminal, by this " code of floating
Head ", it is possible to for large ship mooring and handling crude oil or unclassified stores, give full play to the superiority of large ship transport,
I.e. with outer defeated terminal.Its two, single-point recovers the oil terminal as offshore oilfield, serves the effect of " floating oil depot ", is deep-sea, limit
Economic and defeated means of the storage of advanced person in the oil field development of border, i.e. for exploitation of offshore oil and gas, as FSO (oil carrier is unloaded in floating storage),
FPSO (floating type production, storage and offloading device).
Single point mooring system specifically can be applicable to following aspects:
(1) can be as the transit terminal of import and export crude oil, for large-scale or supertanker mooring and handling crude oil, can be abundant
Play the superiority of oilburg economical transport, build deepwater wharf without spending huge investment to go.
(2) exploitation of marine large oilfield is sufficiently complex, and the investment of fixing production equipment is big, building time is long,
Before reserves are the most fully grasped, use the early production system with single point mooring unit as core, can develop oil fields ahead of time,
Technology decision-making for the permanent exploitation in oil field provides foundation.
(3) single point mooring unit is the advanced technology hands of marginal oil field, deepwater oilfield and offshore remote oilfield economic exploitation
Section.
(4) can economically or technically carry out carrying operation in the marine site of unsuitable pipe laying, it is not necessary to use underwater oil delivery pipeline.
(5) energy mooring sea processing factory, reclaims and utilizes oil field gas, making marine resources be reasonably utilized.
Many similar anchoring system devices or have been employed and marine site all over the world, such mooring gear
Being exemplified below, traditional many anchors lower limb mooring buoy (Catenary Anchor Leg Mooring is called for short CALM), single anchor lower limb float
Cylinder (Single Anchor Leg Mooring is called for short SALM), and mutation pattern, such as hinged loading tower (Articulated
Loading Tower, is called for short ALT).
Under the background of current low oil price, the exploitation of marginal oil field requires that single point mooring unit reduces investment, reduces operation
And maintenance cost, resettlement can be easy to and reuse.
Summary of the invention
For solving above-mentioned technical problem, the present invention proposes a kind of single-point berthing device, has alongside floating drum, can conduct
The outer defeated terminal of loading and unloading oils, can be used for again being temporarily or permanently alongside, simple to operate, it is simple to resettlement, and cost is safeguarded by relatively low being easy to.
The present invention proposes a kind of single-point berthing device, and described single-point berthing device includes:
The alongside floating drum of the water surface can be swum in, including body be fixed at least one of described outer body by ship pad,
Described body has stem and ship stern；
The single anchor lower limb being vertically arranged, it includes lower limb post and the return floating drum being connected on described lower limb post；
Connect steel arm, be arranged between described alongside floating drum and described single anchor lower limb；One end of described connection steel arm is with described
The outside of body can connect rotationally, and the other end can be connected rotationally with the top of described lower limb post；
The basal disc being fixed on sea bed, the lower end of described lower limb post can be connected rotationally with described basal disc.
Further, described stem is towards described single anchor lower limb, and the bottom near described stem arranges bow on the body
Counterweight, the bottom near described ship stern arranges stern counterweight on the body.
As a kind of enforceable mode, described alongside floating drum be provided above an operation deck, described operation deck with
Connecting by support is fixing between described alongside floating drum, described operation deck and described alongside floating drum interval are formed and lead to for sea water
The gap crossed.
Further, on the body or on described operation deck, multiple bollard is set.
Further, described basal disc includes:
The basal disc column being vertically arranged, its upper end can be connected rotationally with the lower end of described lower limb post；
At least three positioning base, described positioning base encloses rounded, and described positioning base is fixed on described sea bed；
Be located by connecting support, including the tie-beam being correspondingly arranged with each described positioning base respectively, each described tie-beam
One end is separately fixed on the described positioning base of correspondence, and its other end is connected on described basal disc column.
Further, described positioning base includes:
Basis, is fixed on described sea bed；
The basal disc floating drum equal with the quantity on described basis, each described basal disc floating drum is correspondingly arranged at each described basis respectively
Top, one end of each described tie-beam is separately fixed on each described basal disc floating drum；
The tension force anchor chain equal with the quantity on described basis, its two ends are connected to upper end and the correspondence on each described basis
The lower end of each described basal disc floating drum.
As a kind of enforceable mode, described single-point berthing device also includes that outer transfer mechanism, described outer transfer mechanism include
The liquid inlet that is sequentially connected with, there is the column jumper hose of flexibility, lower limb post conveying pipe, there is the steel arm jumper hose of flexibility
With bulk transport pipe；
Described liquid inlet is fixed on described basal disc, and the length of described column jumper hose inputs more than described liquid
Mouthful and the under shed of described lower limb post conveying pipe between distance, described lower limb post conveying axially arranged and fixing along described lower limb post of pipe
In described lower limb post；The length of described steel arm jumper hose carries the upper shed of pipe and described bulk transport pipe more than described lower limb post
Distance, described bulk transport pipe is fixedly installed on the top of described body along the line direction of described stem Yu described ship stern,
Described bulk transport pipe arranges at least one outer defeated interface.
Further, described lower limb post conveying pipe and described bulk transport pipe are made by steel pipe.
Further, the first stinger is fixed in the upper end of described lower limb post, and the top of described stem arranges the second stinger,
The two ends of described steel arm jumper hose are taken respectively and are put on described first stinger and on described second stinger.
Further, described basis is bucket foundation or long pile foundation.
Further, described basal disc floating drum is cylindrical float or box-shaped floating drum.
Further, the lower end of described lower limb post is by the upper end thereof of cross hinge with described basal disc column.
As a kind of enforceable mode, the top of described lower limb post is set with a bearing, and the outside of described bearing arranges an axle
Hold ear mount；
Arranging body ear mount on described body, the two ends of described connection steel arm are respectively provided with steel arm ear mount, described bearing ear
Seat is hinged with steel arm ear mount one of them described, and another described steel arm ear mount is hinged with described body ear mount.
The present invention having the beneficial effects that compared to prior art: the single-point berthing device of the present invention, cost is relatively low, alongside
Floating drum can be temporarily or permanently alongside harbour as boats and ships, and the present invention is easy to resettlement and recycling, adapts to marginal oil field
Short-term exploitation.Arrange by ship pad on alongside floating drum, it is to avoid collided to make the position of single-point berthing device move by external force；With
Time, alongside floating drum produces buoyancy and improves the stability of device, the most defeated during without increasing tugboat to apply stern towing tension, save
Save the investment thus increased.Without flotation hose during the most defeated, it is not only convenient for being alongside and freeing, moreover it is possible to simplify operative employee
Sequence, shortens the operating time, controls cost.
Accompanying drawing explanation
Fig. 1 is the schematic front view of the embodiment one of the single-point berthing device of the present invention；
Fig. 2 is the embodiment one schematic front view in the state of use of the single-point berthing device of the present invention；
Fig. 3 is the schematic top plan view of the embodiment one of the single-point berthing device of the present invention；
Fig. 4 is the local schematic front view of the part that the embodiment one of the single-point berthing device of the present invention is positioned on the water surface；
Fig. 5 is the schematic top plan view of Fig. 4；
Fig. 6 is the local schematic front view that the embodiment one of the single-point berthing device of the present invention is positioned at undersurface part；
Fig. 7 is the schematic top plan view of Fig. 6；
Fig. 8 is the schematic front view of the embodiment two of the single-point berthing device of the present invention；
Fig. 9 is the schematic perspective view of the basal disc of the embodiment two of the single-point berthing device of the present invention.
Figure 10 is the single-point berthing device schematic top plan view with the embodiment one of the annexation of mooring of the present invention；
Figure 11 is the single-point berthing device schematic top plan view with the embodiment two of the annexation of mooring of the present invention；
Figure 12 is the single-point berthing device schematic top plan view with the embodiment three of the annexation of mooring of the present invention；
Reference:
1-alongside floating drum；11-leans on ship pad；12-operates deck；13-bollard；14-body；
15-bow counterweight；16-stern counterweight；17-body ear mount；
2-connects steel arm；21-the first steel arm ear mount；22-the second steel arm ear mount；
3-bearing；31-bearing ear mount；4-mono-anchor lower limb；41-return floating drum；42-lower limb post；5-cross hinge；
6-basal disc；61-positioning base；611-basis；612-basal disc floating drum；
613-tension force anchor chain；62-basal disc column；622-jumper pipe interface；63-tie-beam；
The outer transfer mechanism of 7-；71-liquid inlet；72-lower limb post conveying pipe；
73-column jumper hose；74-bulk transport pipe；75-the first stinger；
76-steel arm jumper hose；77-the second stinger；The outer defeated interface of 78-；79-slip ring system；
8-mooring；81-mooring line；The outer defeated flexible pipe of 9-.
Detailed description of the invention
Below in conjunction with accompanying drawing, to the present invention, above-mentioned and other technical characteristic and advantage are clearly and completely described,
Obviously, described embodiment is only the section Example of the present invention rather than whole embodiment.
Referring to shown in Fig. 1, the present invention proposes a kind of single-point berthing device, and described single-point berthing device includes swimming in
The alongside floating drum 1 of the water surface, the single anchor lower limb 4 being vertically arranged, the connection steel arm 2 that is arranged between alongside floating drum 1 and single anchor lower limb 4, with
And the basal disc 6 being fixed on sea bed.Alongside floating drum 1 includes body 14 and at least one is by ship pad 11, body 14 have stem and
Ship stern, is fixed on outside body 14 by ship pad 11；Single anchor lower limb 4 includes lower limb post 42 and return floating drum 41, and return floating drum 41 is connected to
On lower limb post 42；The one end connecting steel arm 2 can be connected rotationally with the outside of body 14, and the other end can rotate with the top of lower limb post 42
Ground connects；The lower end of lower limb post 42 can be connected rotationally with basal disc 6.
Referring to shown in Fig. 2 and Fig. 3, more preferably, body 14 is elongated, and the line about stem to ship stern is symmetrical
(i.e. body 14 is symmetrical at port and starboard), body 14 is the main part of alongside floating drum 1, can swim on the water surface, can produce enough
Buoyancy support alongside floating drum 1.Body 14 can be drum forms, it is also possible to be casing form, it is also possible to be two kinds of forms
Combination.Be respectively symmetrically in the left and right sides of body 14 be provided with multiple by ship pad 11, it is to avoid during alongside mooring 8 and this
Body 14 mutually collides, it is also possible to prevent mooring 8 under powerful sea beat from mutually colliding with body 14, thus to mooring
8 formed stablize strong against.By ship pad 11, there is certain elasticity, the impulsive force during alongside can be buffered, lean on
Ship pad 11 is made up of elastomeric material, in the embodiment one shown in Fig. 3, symmetrical along the length direction of body 14 by ship pad 11
Both sides at body 14.
Single point mooring unit is to be connected with seabed with single anchor lower limb, as it is shown in figure 1, single anchor lower limb 4 is by alongside floating drum 1 and anchor
The basal disc 6 being scheduled on seabed connects, and single anchor lower limb 4 can be the anchor chain lower limb of catenary suspension type continuous vulcanization or pretension, it is also possible to be hinged to basal disc 6
Steel column or steel truss, in embodiments of the invention one, single anchor lower limb 4 is rigid member.More preferably, return floating drum 41 is arranged in lower limb
On post 42, and the dead in line of the centrage of return floating drum 41 and lower limb post 42.Return floating drum 41 is always positioned at below the water surface, in order to
When SEA LEVEL VARIATION, buoyancy is constant.After single anchor lower limb 4 is by mooring force effect, will rotate relative to basal disc 6, single anchor
Return floating drum 41 on lower limb 4 deviates original position, thus forms restoring force, makes alongside floating drum 1 at the reply masterpiece of return floating drum 41
With the original position of lower return.According to the depth of water, environmental condition and the size of mooring force, lower limb post 42 can use circular column leg structure
Or truss lower limb structure, or the combining form of two kinds of versions.
The single-point berthing device of the present invention, for marine shuttle tanker, FSO (oil carrier is unloaded in floating storage) or FPSO (Floating Production
Storage and offloading device) provide one can the floating dock of alongside, its cost is relatively low, and alongside floating drum 1 can interim as mooring 8
Or be forever alongside harbour, the present invention is easy to resettlement and recycling, adapts to the short-term exploitation of marginal oil field.Alongside floating drum 1
Ship pad 11 is leaned in upper setting, it is to avoid collided making the position of single-point berthing device move by external force；Meanwhile, alongside floating drum 1 produces
Buoyancy improves the stability of device, the most defeated during without increasing tugboat to apply stern towing tension, it is to avoid mooring 8 occurs
" fish wags the tail " phenomenon, saves the investment increased by tugboat.Without flotation hose during the most defeated, be not only convenient for be alongside and
Free, moreover it is possible to simplify operation sequence, shorten the operating time, control cost.
Further, as it is shown in figure 1, stem is towards single anchor lower limb 4, on body 14, the bottom near stem arranges bow counterweight
15, on body 14, the bottom near ship stern arranges stern counterweight 16.Bow counterweight 15 and stern counterweight 16 are for increasing alongside floating drum 1
Stability, provides the restoring force for return when body 14 twists for it.Bow counterweight 15 and stern counterweight 16 are all by just
Property connecting tube be connected on body 14, the various counterweight materials such as iron block, iron ore, cement can be filled in bow counterweight 15 and stern counterweight 16
Material, bow counterweight 15 and stern counterweight 16 can improve the stability of alongside floating drum 1, reduce it and swing.
As a kind of enforceable mode, refer to shown in Fig. 4 and Fig. 5, alongside floating drum 1 be provided above an operation deck
12, it is connected by support is fixing between operation deck 12 and alongside floating drum 1, operation deck 12 and alongside floating drum 1 interval are formed and use
In the gap that sea water passes through.Operation deck 12 is for user pedestrian on alongside floating drum 1, and convenient outer defeated work, can be
The edge on operation deck 12 arranges the guardrail of protection personal security.When wave is bigger, impact the sea water of alongside floating drum 1 side
Can pass through from the gap between operation deck 12 and alongside floating drum 1, decrease the impact to alongside floating drum 1 of the impulsive force of wave,
And avoid wave to get on operation deck 12.More preferably, operation deck 12 is also that port and starboard is symmetrical arranged.
Further, on body 14 or on operation deck 12, multiple bollard 13 is set.It is arranged on behaviour with bollard 13
Making to compare on deck 12, be arranged on body 14 by bollard 13, stress is the most direct, is conducive to maintaining whole single-point alongside to fill
The stability put.The quantity of bollard 13 is abundant, can provide enough heaving pile points for it after mooring 8 alongside.
Further, referring to shown in Fig. 6 and Fig. 7, basal disc column 62, at least three that basal disc 6 includes being vertically arranged are fixed
Position base 61 and the support that is located by connecting.The upper end of basal disc column 62 can be connected rotationally with the lower end of lower limb post 42；Positioning base 61
Enclosing rounded, positioning base 61 is fixed on sea bed；The support that is located by connecting includes being correspondingly arranged with each positioning base 61 respectively
Tie-beam 63, one end of each tie-beam 63 is separately fixed on the positioning base 61 of correspondence, and its other end is connected to basal disc column
On 62.More preferably, basal disc column 62 is positioned on the circular normal that positioning base 61 surrounds.The length of each tie-beam 63 is equal,
Be conducive to the stress balance of basal disc 6.
Further, referring to shown in Fig. 8 and Fig. 9, positioning base 61 includes basis 611, the base being fixed on sea bed
Dish floating drum 612 and tension force anchor chain 613.Basal disc floating drum 612 is equal with the quantity on basis 611, and each basal disc floating drum 612 correspondence respectively sets
Putting above each basic 611, one end of each tie-beam 63 is separately fixed on each basal disc floating drum 612.Tension force anchor chain 613 and institute
The quantity stating basis is equal, and the two ends of tension force anchor chain 613 are connected to each upper end of basic 611 and corresponding each basal disc floating drum
The lower end of 612.
More preferably, tie-beam 63 is the structural member such as steel pipe or box beam.Each basic 611 with corresponding basal disc floating drum 612
Between, a tension force anchor chain 613 can be used, it is also possible to use many.
In the embodiment one shown in Fig. 1, basal disc 6 is shallow water basal disc, uses the form of three bases, is whole loading and unloading oils list
The basis of some berthing device, adapts to the neritic zone within 120m and uses.Positioning base 61 can use long pile foundation, it is also possible to
Use cylindrical foundation；According to different geology and environmental condition, single pile can be used, it is possible to use many according to the size of mooring force
Stake form.From the point of view of penetrating the part (i.e. basis 611) of sea bed, it is possible to use monotubular base or many shapes according to the size of mooring force
Formula, uses positioning base 61 so that whole system is easily installed and resettlement is reused.
In the embodiment two shown in Fig. 8, basal disc 6 is tension leg basal disc, use three bases form, tension leg basal disc by
In adding basal disc floating drum 612 and tension force anchor chain 613, go for deeper marine site, and install more convenient.Tension force anchor
The length of chain 613 adjusts according to the depth of water, and the spacing of tension force anchor chain 613 (or basis 611) is according to mooring force and specific environment condition
Determine.Three bases 611 can be individually attached, it is possible to link into an integrated entity installation, convenient installation and resettlement.Further, basis
611 is bucket foundation or long pile foundation.Further, basal disc floating drum 612 is cylindrical float or box-shaped floating drum.
As a kind of enforceable mode, incorporated by reference to shown in Fig. 1, Fig. 4 and Fig. 6, single-point berthing device also includes outer defeated machine
Structure 7, outer transfer mechanism 7 includes the liquid inlet 71 being sequentially connected with, has the column jumper hose 73 of flexibility, lower limb post conveying pipe
72, there is steel arm jumper hose 76 and the bulk transport pipe 74 of flexibility.Liquid inlet 71 is fixed on basal disc 6, and column bridges
The length of flexible pipe 73 is more than the distance between the under shed of liquid inlet 71 and lower limb post conveying pipe 72, and lower limb post conveying pipe 72 is along lower limb
Post 42 axially arranged and being fixed in lower limb post 42；The length of steel arm jumper hose 76 more than lower limb post conveying pipe 72 upper shed with
The distance of bulk transport pipe 74, bulk transport pipe 74 is fixedly installed on the top of body 14 along the line direction of stem Yu ship stern,
Bulk transport pipe 74 arranges at least one outer defeated interface 78.
Owing to the upper end of basal disc column 62 can be connected rotationally with the lower end of lower limb post 42, make the length of column jumper hose 73
More than the distance between the under shed that liquid inlet 71 and lower limb post carry pipe 72, rotate relative to basal disc column 62 at lower limb post 42
During, column jumper hose 73 has enough length, will not be excessively stretched and cause column jumper hose 73 to rupture.With
Reason, owing to can mutually rotate between body 14 and lower limb post 42, makes the length of steel arm jumper hose 76 more than lower limb post conveying pipe 72
Upper shed and the distance of bulk transport pipe 74, during body 14 rotates relative to lower limb post 42, steel arm jumper hose 76 has
There is enough length, will not be excessively stretched and cause fracture.Bulk transport pipe 74 is provided with sufficient amount of outer defeated interface
78, in order to user can use outer defeated interface 78 to carry out outer defeated according to the practical situation of mooring 8 alongside.
As shown in Figure 6, slip ring system 79 is set in the upper end of lower limb post 42, slip ring system 79 can play connection or seal or
Gearing, it belongs to prior art in oil tanker mooring technology, and in this not go into detail.Lower limb post conveying pipe 72 is at bearing 3
Place enters slip ring system 79, by utilizing firm arm jumper hose 76 to be delivered to bulk transport pipe 74 after slip ring system 79, finally leads to
Cross and transport to mooring 8 outside the outer defeated interface 78 on bulk transport pipe 74.In the pipeline of whole outer transfer mechanism 7 is arranged, as far as possible
Pipeline is arranged on the inside of existing structure, such as lower limb post conveying pipe 72 be preset in lower limb post 42, in order to avoid being made by environmental load
With.
More preferably, as shown in Figure 9, it is also possible to the inlet duct of preset rigidity in basal disc column 62, at basal disc column 62
Sidewall on jumper pipe interface 622 is set, the lower end of inlet duct is connected with liquid inlet 71, the upper end of inlet duct with across
The inner connection of adapter interface 622, the outer end of jumper pipe interface 622 is connected with the lower end of column jumper hose 73.Correspondingly, also
Can arrange lower limb post jumper pipe interface on lower limb post 42, the outer end of lower limb post jumper pipe interface connects with the upper end of column jumper hose 73
Connecing, the inner of lower limb post jumper pipe interface is connected with the lower end of lower limb post conveying pipe 72.
Refer to shown in Figure 10, the alongside of two moorings 8 the single-point berthing device of the present invention alongside floating drum 1 two
Side, refers to shown in Figure 11, and the alongside of a mooring 8, on the right side of the alongside floating drum 1 of the single-point berthing device of the present invention, please be joined
Readding shown in Figure 12, the alongside of a mooring 8 is in the left side of the alongside floating drum 1 of the single-point berthing device of the present invention；At Figure 10, Figure 11
With in the embodiment one, two, three of the present invention shown in Figure 12 and mooring annexation, all by mooring line 81 by mooring 8
Tie up on bollard 13, by the outer defeated flexible pipe 9 that is connected on outer defeated interface 78 to mooring 8 delivering oil.
After installation is complete, mooring 8 alongside is to alongside floating drum 1 for the single-point berthing device for loading and unloading oils of the present invention
On, by mooring line 81 by mooring 8 mooring, outside then connecting, defeated flexible pipe 9 is to outer defeated interface 78, can start outer defeated.The most defeated
After completing, freeing outer defeated flexible pipe 9, untie mooring line 81, mooring 8 can leave.According to outer defeated being actually needed of oil field development,
Mooring 8 can be shuttle back and forth cruise, FSO (oil carrier is unloaded in floating storage) or FPSO (floating type production, storage and offloading device) etc..Work as handling
When oil single-point berthing device uses as outer defeated harbour, mooring 8 generally shuttle tanker, single-point berthing device and mooring 8
Annexation as is illustrated by figs. 11 and 12.When loading and unloading oils single-point berthing device uses as oil wharf, mooring 8 is general
Using FSO or FPSO, at this moment mooring 8 typically arranges two, and alongside is in two topsides of alongside floating drum 1, single-point alongside respectively
The annexation of device and mooring 8 is as shown in Figure 10, the most defeated uninterruptedly with guarantee.
Further, lower limb post conveying pipe 72 and bulk transport pipe 74 are made by steel pipe.The steel pipe of hard has higher
Intensity, make extend the service life of pipeline, it is to avoid overhauls frequently and changes.
Further, as it is shown in figure 1, the first stinger 75, as shown in Figure 4, the top of stem are fixed in the upper end of lower limb post 42
Portion arranges the second stinger 77, and the two ends of steel arm jumper hose 76 are taken respectively and put on the first stinger 75 and the second stinger 77
On.On lower limb post 42 arrange the first stinger 75 and body 14 on arrange the second stinger 77, its effect respectively be support and
Protecting steel arm jumper hose 76, the first stinger 75 and the second stinger 77 version can use steel pipe, H profile steel or sheet material,
Or the combining form of multiple section.
Further, the lower end of lower limb post 42 is by the upper end thereof of cross hinge 5 with basal disc column 62.Single anchor lower limb 4 is with ten
Rotate centered by word hinge 5, adapt to the impulsive force of wave, discharge single anchor lower limb 4 in the position, angle of vertical direction by cross hinge 5
Move, reduce the environmental load that single anchor lower limb 4 is subject to, in order to adapt to the deeper depth of water and worse sea conditions.
As a kind of enforceable mode, as shown in Figure 6, the top of lower limb post 42 is set with a bearing 3, and the outside of bearing 3 sets
Put a bearing ear mount 31.As shown in Figure 4, body 14 arranging body ear mount 17, the two ends connecting steel arm 2 are respectively provided with steel arm ear
Seat, bearing ear mount 31 is hinged with one of them steel arm ear mount, and another steel arm ear mount is hinged with body ear mount 17.As shown in Figure 6,
In the embodiment one of single-point berthing device, connect the steel arm ear mount at two ends of steel arm 2 and be respectively the first steel arm ear mount 21 and the
Two steel arm ear mount 22.Connect steel arm 2 the second steel arm ear mount 22 with the bearing ear mount 31 of bearing 3 by wearing bearing pin phase therein
Connecting, when body 14 is by lateral external forces effect, the bearing 3 band steel arm 2 that is dynamically connected can enter relative to lower limb post 42 in the range of 360 degree
Row rotates, it is achieved that body 14 rotary motion in the horizontal direction.Connect steel arm 2 and be YOKE arm, be used for transmitting mooring force,
By the first steel arm ear mount 21 and the second steel arm ear mount 22, body 14 is made to swing in vertical direction.Connect steel arm 2 can use
The truss structure form such as body structure, tubing.
The single-point berthing device of the present invention, is fixed on basal disc 6 on sea bed by positioning base 61, if using tension leg
Basal disc, is fixed on basis 611 on sea bed.The lower limb post 42 of single anchor lower limb 4 can be connected by cross hinge 5 rotationally with basal disc column 62
Connect, the bearing 3 that suit can rotate on single anchor lower limb 4, bearing ear mount 31 is set in the outside of bearing 3, body 14 arranges this
Body ear mount 17, connect the two ends of steel arm 2 respectively by the first steel arm ear mount 21 and the second steel arm ear mount 22 and body ear mount 17 and
Bearing ear mount 31 can connect rotationally.Arrange in the outside of body 1 by ship pad 11, by mooring 8 alongside by, on ship pad 11, being
Berthing force makes the alongside floating drum 1 rotation relative to single anchor lower limb 4 occurred level direction, and at Vertical Square after making alongside floating drum 1 be shaken
It is swung up.The return floating drum 41 of single anchor lower limb 4 makes lower limb post 42 be returned to original position, and drives alongside floating drum 1 return.
With prior art utilizes nylon cable be connected boats and ships CALM (Catenary Anchor Leg Mooring, the most outstanding
Chain anchor lower limb anchoring system) or SALM (Single Anchor Leg Mooring, i.e. Single Anchor Leg Mooring system) compare, the present invention
By mooring 8 alongside outside body 14, mooring line 81 can also use nylon cable, the form of alongside can shorten mooring 8 with
Distance between mooring point (i.e. bollard 13), can effectively simplify mooring and the process freed.Owing to mooring 8 alongside is at this
Outside body 14, it is not necessary to use longer flotation hose, can carry with general flexible pipe, reduce investment outlay, simplify operation element amount,
Reduce operation and maintenance cost.Due to the use of alongside floating drum 1, the stability of mooring 8 can be effectively improved, it is suppressed that mooring
" fish wags the tail " phenomenon of ship 8, because providing stern to go towards power without tugboat during the most defeated, saves resource and reduces investment.Alongside floating drum 1
The independent alongside of a mooring 8 can be realized, it is also possible to realize the alongside simultaneously of two moorings 8, can be used as outer defeated terminal and make
With, it is also possible to use as permanent mooring.Positioning base 61 uses bucket foundation, can be easier to realize anchoring system displacement and
Re-using, improve the recycling rate of waterused of facility, reduce the whole development cost in oil field, the short-term adapting to marginal oil field is opened
Send out.
Particular embodiments described above, has been carried out further the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, it will be appreciated that the foregoing is only the specific embodiment of the present invention, the protection being not intended to limit the present invention
Scope.Particularly point out, to those skilled in the art, all within the spirit and principles in the present invention, that is done any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (13)
1. a single-point berthing device, it is characterised in that described single-point berthing device includes:
The alongside floating drum of the water surface can be swum in, including body be fixed at least one of described outer body by ship pad, described
Body has stem and ship stern；
The single anchor lower limb being vertically arranged, it includes lower limb post and the return floating drum being connected on described lower limb post；
Connect steel arm, be arranged between described alongside floating drum and described single anchor lower limb；One end of described connection steel arm and described body
Outside can connect rotationally, the other end can be connected rotationally with the top of described lower limb post；
The basal disc being fixed on sea bed, the lower end of described lower limb post can be connected rotationally with described basal disc.
Single-point berthing device the most according to claim 1, it is characterised in that described stem is towards described single anchor lower limb, in institute
Stating and arrange bow counterweight on body near the bottom of described stem, the bottom near described ship stern arranges stern and joins on the body
Weight.
Single-point berthing device the most according to claim 1, it is characterised in that described alongside floating drum be provided above an operation
Deck, is connected by support is fixing between described operation deck with described alongside floating drum, and described operation deck is floated with described alongside
Cylinder interval forms the gap passed through for sea water.
Single-point berthing device the most according to claim 3, it is characterised in that on the body or on described operation deck
Multiple bollard is set.
Single-point berthing device the most according to claim 1, it is characterised in that described basal disc includes:
The basal disc column being vertically arranged, its upper end can be connected rotationally with the lower end of described lower limb post；
At least three positioning base, described positioning base encloses rounded, and described positioning base is fixed on described sea bed；
Be located by connecting support, including the tie-beam being correspondingly arranged with each described positioning base respectively, one end of each described tie-beam
Being separately fixed on the described positioning base of correspondence, its other end is connected on described basal disc column.
Single-point berthing device the most according to claim 5, it is characterised in that described positioning base includes:
Basis, is fixed on described sea bed；
The basal disc floating drum equal with the quantity on described basis, each described basal disc floating drum is correspondingly arranged at the upper of each described basis respectively
Side, one end of each described tie-beam is separately fixed on each described basal disc floating drum；
The tension force anchor chain equal with the quantity on described basis, its two ends are connected to the upper end on each described basis and each of correspondence
The lower end of described basal disc floating drum.
Single-point berthing device the most according to claim 5, it is characterised in that described single-point berthing device also includes outer defeated machine
Structure, described outer transfer mechanism includes the liquid inlet being sequentially connected with, has the column jumper hose of flexibility, lower limb post conveying pipe, tool
There are steel arm jumper hose and the bulk transport pipe of flexibility；
Described liquid inlet is fixed on described basal disc, the length of described column jumper hose more than described liquid inlet with
Distance between the under shed of described lower limb post conveying pipe, described lower limb post conveying pipe along the axially arranged of described lower limb post and is fixed on institute
State in lower limb post；The length of described steel arm jumper hose more than described lower limb post conveying pipe upper shed and described bulk transport pipe away from
The top of described body it is fixedly installed on along the line direction of described stem Yu described ship stern, in institute from, described bulk transport pipe
State and at least one outer defeated interface is set on bulk transport pipe.
Single-point berthing device the most according to claim 7, it is characterised in that described lower limb post conveying pipe and described bulk transport
Pipe is made by steel pipe.
Single-point berthing device the most according to claim 7, it is characterised in that the first trustship is fixed in the upper end of described lower limb post
Frame, the top of described stem arranges the second stinger, and the two ends of described steel arm jumper hose are taken respectively and put in described first trustship
On frame and on described second stinger.
Single-point berthing device the most according to claim 6, it is characterised in that described basis is bucket foundation or long pile foundation
Plinth.
11. single-point berthing devices according to claim 6, it is characterised in that described basal disc floating drum be cylindrical float or
Box-shaped floating drum.
12. single-point berthing devices according to claim 5, it is characterised in that the lower end of described lower limb post by cross hinge with
The upper end thereof of described basal disc column.
13. single-point berthing devices according to claim 1, it is characterised in that the top of described lower limb post is set with a bearing, institute
The outside stating bearing arranges a bearing ear mount；
Arranging body ear mount on described body, the two ends of described connection steel arm are respectively provided with steel arm ear mount, described bearing ear mount with
One of them described steel arm ear mount is hinged, and another described steel arm ear mount is hinged with described body ear mount.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414673.0A CN106043602A (en) | 2016-06-14 | 2016-06-14 | Single-point berthing device |
| PCT/CN2016/088848 WO2017215054A1 (en) | 2016-06-14 | 2016-07-06 | Single point mooring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414673.0A CN106043602A (en) | 2016-06-14 | 2016-06-14 | Single-point berthing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106043602A true CN106043602A (en) | 2016-10-26 |
Family
ID=57170876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610414673.0A Pending CN106043602A (en) | 2016-06-14 | 2016-06-14 | Single-point berthing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106043602A (en) |
| WO (1) | WO2017215054A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108177743A (en) * | 2017-12-11 | 2018-06-19 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of ROV load carriers of full circle swinging |
| CN108755575A (en) * | 2018-07-04 | 2018-11-06 | 中交第四航务工程勘察设计院有限公司 | Environment protection steel structure berth a kind of easy to assemble and can be recycled |
| CN108860476A (en) * | 2016-12-13 | 2018-11-23 | 中国海洋石油总公司 | Floating drum transfers in single point mooring |
| CN109229279A (en) * | 2018-09-03 | 2019-01-18 | 中国海洋石油集团有限公司 | A kind of single point mooring's crude oil exporting device with tension type anchor chain leg |
| CN111619737A (en) * | 2020-04-20 | 2020-09-04 | 浙江海洋大学 | Mooring system for a floating structure |
| US20220281561A1 (en) * | 2019-08-23 | 2022-09-08 | Shandong Dingsheng Electromechanical Equipment Inc. | Single-upright-column mooring type wellhead prodcution operation platform |
| CN115596007A (en) * | 2022-10-18 | 2023-01-13 | 河北工程大学（Cn） | Combined type bollard |
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| CN108177743B (en) * | 2017-12-11 | 2019-06-14 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of ROV load carrier of full circle swinging |
| CN108755575A (en) * | 2018-07-04 | 2018-11-06 | 中交第四航务工程勘察设计院有限公司 | Environment protection steel structure berth a kind of easy to assemble and can be recycled |
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| CN109229279A (en) * | 2018-09-03 | 2019-01-18 | 中国海洋石油集团有限公司 | A kind of single point mooring's crude oil exporting device with tension type anchor chain leg |
| US20220281561A1 (en) * | 2019-08-23 | 2022-09-08 | Shandong Dingsheng Electromechanical Equipment Inc. | Single-upright-column mooring type wellhead prodcution operation platform |
| US11820467B2 (en) * | 2019-08-23 | 2023-11-21 | Shandong Dingsheng Electromechanical Equipment Inc. | Single-upright-column mooring type wellhead production operation platform |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2017215054A1 (en) | 2017-12-21 |
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