CN203373716U - Self-installation suction pile type movable platform structure - Google Patents
Self-installation suction pile type movable platform structure Download PDFInfo
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- CN203373716U CN203373716U CN201320370476.5U CN201320370476U CN203373716U CN 203373716 U CN203373716 U CN 203373716U CN 201320370476 U CN201320370476 U CN 201320370476U CN 203373716 U CN203373716 U CN 203373716U
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- hydraulic cylinder
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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
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0073—Details of sea bottom engaging footing
- E02B2017/0078—Suction piles, suction cans
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Abstract
The utility model provides a self-installation suction pile type movable platform structure which comprises a hull platform and a suction pile foundation located below the hull platform. The suction pile foundation and the hull platform are connected through a plurality of pile legs, a lifting mechanism and a locking mechanism are arranged between the pile legs and the hull platform, the suction pile foundation is connected with an aquatic monitoring system and an underwater power system, the hull platform is further provided with a platform crane, the platform crane can hoist a mud blowing device for mud blowing construction, and a plurality of locating anchors are hoisted on the edge of the hull platform. By means of the self-installation suction pile type movable platform structure, a development mode of a small production device integrating production, power, oil storage, outward conveying and living is provided, after oil extraction like a honeybee on one small oilfield is completed, the platform structure can move to another small oilfield for oil extraction, the investment of the platform structure can be recouped on development of a plurality of oilfields, and effective technical support is provided for the 'honeybee type' development mode of marginal oilfields.
Description
Technical field
The utility model relates to a kind of from suction pile formula moveable platform structure is installed.
Background technology
In recent years, in the oil-gas exploration and development field, marginal field becomes one of focus of attention got most of the attention, so-called marginal field, relative with economy under economic condition poor and do not develop in existing development technique with regard to referring to those, but can reach through great efforts predetermined lowest economic index and the oil gas field that can develop.Marginal field has such double grading in definition: one refers at general condition and adopts conventional means, if drop into exploitation, its economic benefit will have the earnings target bottom line that may not reach greatly expection; Two refer to through great efforts and employ new technology, after new method or nonconventional approaches, if drop into exploitation, the earnings target bottom line that may reach greatly expection will be arranged again.That is to say, the condition whether this class oil gas field has the economical and effective exploitation is convertible to a large extent.On the edge line that is in economic evaluation, marginal feature is obvious, so this class oil gas field is referred to as marginal field.Theoretically, the kind of marginal field is diversified, and the reason caused is also a lot, such as geological condition is complicated, reserves are little, crude oil property is poor, regional environment inclement condition of living in, petroleum contract is harsh, tax revenue is high.
Because the general investment of offshore oil and gas field is high, running cost is high, therefore, under equal geological conditions, the marginal field that sea can not be developed cost-effectively compares land many.How to make this part subterranean resource develop cost-effectively, in the situation that soaring oil prices seems most important with the global obvious deficiency of petroleum resources of verifying at present, therefore study the development technique of marginal oil field and facilitate the exploitation of the marginal field of China Seas, meaning is very great, is the important sources that guarantees the crude output sustainable growth.
The purpose of marginal field development and research is exactly very most of in this part reserves of liberation, and core technology is provided, and reduces the Development Engineering cost, forms technical system and technical capability with China sea oil characteristic and competitiveness.
At present, the pattern of China sea oil marginal field exploitation mainly contains two kinds:
The one, " 31 " development mode, adjust the distance 20 kilometers of developed fields with interior marginal field, with a platform (or underwater well head), a submerged pipeline, a submarine cable, the oil gas of its production is sent into to the development mode of this developed field, the research of this pattern has obtained breakthrough, and in the Bohai Sea and Beibu Bay successful implementation;
The 2nd, " honeybee formula " development mode, so-called " honeybee formula " development mode requires engineering services to have the function of " mobility " and " reusing " exactly, adjust the distance beyond 20 kilometers of developed fields, can't rely on the less of developed field, isolated small-sized marginal field, adopt portable, collection is produced, power, oil storage, defeated outward, the small scale production plant that life is integrated, adopted a small oil field as honeybee, small scale production plant can move on to the another one small oil field and recover the oil, the investment of this device can be reclaimed in a plurality of oil field developments.
In recent years, domestic in the exploitation Bohai Sea and marginal field, the South Sea, adopt and rely on " 31 " pattern of existing engineering services to obtain breakthrough, develop a plurality of small oil fields, and obtained economic benefit preferably.But apart from existing engineering services marginal field far away and isolated, adopt the development mode of " honeybee formula " pattern not yet to make a breakthrough in exploitation.
The utility model content
The shortcoming of prior art in view of the above, it is a kind of from suction pile formula moveable platform structure is installed that the purpose of this utility model is to provide, for solve prior art less, isolated small-sized marginal field lacks the problem of development platform preferably.
Reach for achieving the above object other relevant purposes, it is a kind of from suction pile formula moveable platform structure is installed that the utility model provides, it comprises the hull platform and is positioned at the suction pile basis of hull platform below, the suction pile basis is connected by a plurality of spud legs with the hull platform, be provided with elevating mechanism and retaining mechanism between spud leg and hull platform, the suction pile basis is connected with monitoring system waterborne, underwater engine system, also be provided with on the hull platform and can lift the Platform lifting devices that blows the mud device, the edge of hull platform has also hung a plurality of positioning anchors.
Preferably, also be provided with helicopter deck on the hull platform.
Preferably, the edge that spud leg is corresponding with the hull platform is provided with vertical spud leg track, the spud leg track is provided with locating hole from top to bottom, elevating mechanism comprises upper supporting piece, lower support element and the extensible member between upper supporting piece, lower support element, upper supporting piece and hull platform are fixed, the two ends of extensible member are fixedly connected with upper supporting piece, lower support element respectively, and upper supporting piece, lower support element are equipped with the expansion link that can stretch in locating hole.Further preferably, upper supporting piece is upper hydraulic cylinder, and lower support element is lower hydraulic cylinder; Extensible member is the jacking hydraulic cylinder, and the piston rod of jacking hydraulic cylinder is fixedly connected with upper hydraulic cylinder, and the cylinder barrel of jacking hydraulic cylinder is fixedly connected with lower hydraulic cylinder.
Preferably, the edge that spud leg is corresponding with the hull platform is provided with vertical spud leg track, and the spud leg track is provided with locating hole from top to bottom, and retaining mechanism comprises latch segment, latch segment is connected with the hull platform by propulsion plant, and latch segment is provided with the backstay that can insert locating hole.
Further preferably, propulsion plant comprises propelling hydraulic cylinder and propelling hydraulic cylinder bearing, and the propelling hydraulic cylinder bearing is fixedly connected with the hull platform, the piston rod of propelling hydraulic cylinder and latch segment pivot joint, the cylinder barrel of propelling hydraulic cylinder and the pivot joint of propelling hydraulic cylinder bearing.
Further preferably, retaining mechanism also comprises adjusting device, and adjusting device comprises to be adjusted hydraulic cylinder and adjust the hydraulic cylinder bearing, adjusts the hydraulic cylinder bearing and is fixedly connected with the hull platform, adjust piston rod and the latch segment pivot joint of hydraulic cylinder, adjust the cylinder barrel and the pivot joint of adjustment hydraulic cylinder bearing of hydraulic cylinder.
Further preferably, retaining mechanism also comprises the keeper that a plurality of and hull platform is fixing, and keeper is positioned at top, below and the side of latch segment, and keeper is provided with the push rod that stretches to latch segment.Further preferred, keeper is self-locking jack.
Preferably, the suction pile basis comprises and is positioned at the suction anchor of below of suction pile basis, and suction anchor is a top closure, the unlimited cylinder barrel in lower end, and the suction anchor top is provided with the interface be connected with the underwater engine system.
Further preferably, monitoring system waterborne comprises control operation panel and the electrical source of power switch board be connected with the control operation panel, signaling interface and AC/D power supply, and signaling interface also is connected with inclinator, gyro compass, hydraulic pressure controlling solenoid valve, electrical source of power switch board with the AC/D power supply.
Further preferred, the underwater engine system comprises at least one submersible pump, cylinder pressure sensor, cylinder external pressure sensor, hydraulic drive valve, hydraulic cylinder, the cylinder pressure sensor is positioned at the inside of suction anchor, the cylinder external pressure sensor is positioned at the outside of suction anchor, cylinder pressure sensor, cylinder external pressure sensor are connected with the AC/D power supply with signaling interface, hydraulic cylinder is connected with hydraulic pressure controlling solenoid valve, hydraulic drive valve, and submersible pump is connected with hydraulic drive valve, electrical source of power switch board.Such scheme is further preferred, the import of submersible pump and go out interruption-forming one closed-loop path, hydraulic drive valve comprises the first tee ball valve, the second tee ball valve and a plurality of two pass ball valves, one of them interface of the first tee ball valve and the second tee ball valve is interconnected, another two interfaces of the first tee ball valve respectively with the closed-loop path of submersible pump, inlet pipeline is communicated with, another two interfaces of the second tee ball valve respectively with the closed-loop path of submersible pump, outlet pipeline is communicated with, one end of two pass ball valves and the first tee ball valve, connecting line between the second tee ball valve is communicated with, the other end of two pass ball valves is communicated with the interface on suction anchor top.
As mentioned above, the utility model, from suction pile formula moveable platform structure is installed, has following beneficial effect:
This installs suction pile formula moveable platform structure certainly, because this platform structure is provided with the suction pile basis had from installation function, the suction pile basis is monitoring system on the water, realize injection and the pile pulling on the mud face of seabed under the effect of underwater engine system, this platform structure also is provided with elevating mechanism and retaining mechanism simultaneously, there is lifting and pack up the function on suction pile basis, make this platform structure there is installation and movably function certainly, reach " mobility " and " reusing ", provide a kind of and can collect production, power, oil storage, defeated outward, the development mode of the small scale production plant that life is integrated, after this platform structure has been adopted a small oil field as honeybee, can move on to the another one small oil field recovers the oil, its investment can be reclaimed in a plurality of oil field developments, for " honeybee formula " development mode of marginal field provides effective technical support.
The accompanying drawing explanation
Fig. 1 is shown as the utility model the combination schematic diagram that the ship that casts anchor is located in suction pile formula moveable platform structure and towage is installed certainly.
Fig. 2 is shown as the structural representation of the suction pile formula of certainly the installing moveable platform structure shown in Fig. 1.
The installation operation schematic diagram that Fig. 3 to Fig. 8 is the suction pile formula of certainly the installing moveable platform structure shown in Fig. 2.
The construction operation schematic diagram is shifted in the pile pulling that Fig. 9 to Figure 13 is the suction pile formula of certainly the installing moveable platform structure shown in Fig. 2.
The structural representation of the spud leg that Figure 14 is the suction pile formula of certainly the installing moveable platform structure shown in Fig. 2, elevating mechanism and retaining mechanism combination.
The A-A of the spud leg that Figure 15 is the suction pile formula of certainly the installing moveable platform structure shown in Figure 14, elevating mechanism and retaining mechanism combination is to sectional view.
The step schematic diagram that the hull platform of the elevating mechanism that Figure 16 to Figure 22 is the suction pile formula of certainly the installing moveable platform structure shown in Figure 15 once rises.
The step schematic diagram of the retaining mechanism locking that Figure 23 to Figure 26 is the suction pile formula of certainly the installing moveable platform structure shown in Figure 15.
The monitoring system waterborne that Figure 27 is the suction pile formula of certainly the installing moveable platform structure shown in Fig. 2, the control flow chart of underwater engine system.
The pipeline connecting figure of the underwater engine system that Figure 28 is the suction pile formula of certainly the installing moveable platform structure shown in Figure 27.
The hull-borne schematic diagram of the underwater engine system that Figure 29 is the suction pile formula of certainly the installing moveable platform structure shown in Figure 28.
The water filling view of the underwater engine system that Figure 30 is the suction pile formula of certainly the installing moveable platform structure shown in Figure 28.
The element numbers explanation
1 hull platform
2 suction pile bases
21 interfaces
3 spud legs
31 spud leg tracks
32 locating holes
4 elevating mechanisms
Hydraulic cylinder on 41
42 times hydraulic cylinders
43 jacking hydraulic cylinders
5 retaining mechanisms
51 latch segments
52 backstays
53 propelling hydraulic cylinders
54 propelling hydraulic cylinder bearings
55 adjust the hydraulic cylinder bearing
56 adjust hydraulic cylinder
57 keepers
58 cameras
6 monitoring systems waterborne
61 control operation panels
62 electrical source of power switch boards
63 signaling interfaces and AC/D power supply
64 inclinators
65 gyro compasses
66 hydraulic pressure controlling solenoid valves
7 underwater engine systems
71 submersible pumps
72 cylinder pressure sensors
73 external pressure sensors
74 hydraulic drive valves
741 first tee ball valves
742 second tee ball valves
743 liang of pass ball valves
75 hydraulic cylinders
8 Platform lifting devices
9 blow the mud device
10 positioning anchors
Ship casts anchor in 11 towage location
12 helicopter decks
The specific embodiment
Below by particular specific embodiment, embodiment of the present utility model is described, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this manual.
Refer to Fig. 1 to Figure 30.Notice, appended graphic the illustrated structure of this manual, ratio, size etc., equal contents in order to coordinate manual to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the purpose that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this manual, quote as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the utility model.
As shown in figure 1 to figure 13, it is a kind of from suction pile formula moveable platform structure is installed that the utility model provides, it comprises hull platform 1 and is positioned at the suction pile basis 2 of hull platform 1 below, suction pile basis 2 is connected by a plurality of spud legs 3 with hull platform 1, be provided with elevating mechanism 4 and retaining mechanism 5 between spud leg 3 and hull platform 1, suction pile basis 2 is connected with monitoring system 6 waterborne, underwater engine system 7, also be provided with on hull platform 1 and can lift the Platform lifting devices 8 that blows the mud device, the edge of hull platform 1 has also hung a plurality of positioning anchors 10; Also be provided with helicopter deck 12 on hull platform 1.Wherein, elevating mechanism 4 is for controlling moving up and down of spud leg 3 and hull platform 1; Retaining mechanism 5 is the relative position with hull platform 1 for fixing spud leg 3, makes hull platform 1 bear the oceanic winds wave load simultaneously; Monitoring system 6 waterborne is for monitoring the indices of hull platform 1, and moving up and down by underwater engine system 7 controlled suction pile foundations 2; Helicopter deck 12 is for parking and take off helicopter, and for ease of using, helicopter deck 12 is arranged on the zone near life building; Platform lifting devices 8, except mud device 9 is blown in lifting, also can meet other lifting requirements.
Injection and the pile pulling in ocean bottom soil realized under the effect of dynamical system 7 under water in this suction pile basis 2, and the operation of the installation on suction pile basis 2 and locomotive function all undertaken by the monitoring system waterborne 6 be located on hull platform 1, this platform structure is had from installing and the function of recycling.Monitoring system 6 waterborne is arranged on the deck of hull platform 1, can improve the safe handling of instrument system, improves application life, and is convenient to change, keeps in repair, tests and operation.
This platform structure need to be surveyed sea situation by habitat in installation region before installation, its effect is to survey the situation in seabed, installation region whether to be applicable to the installation of suction pile basis, whether the foreign material such as discarded object are arranged on the mud face of seabed, whether the rock that hinders injection is arranged in soil, and whether soil texture reaches installation requirement and platform load requirement etc.; And then this platform structure is located to the ship 11 that casts anchor by towage be drawn to infield.
This installation operation process that suction pile formula moveable platform structure is installed certainly is as shown in Figures 3 to 8:
1) this platform structure is located after the ship 11 that casts anchor is drawn to infield by towage, utilizing Platform lifting devices 8 on hull platform 1 will blow mud device 9 is lifted on the mud face of seabed and is blown the mud job execution, it is mainly the mud scum that blows away the surface, seabed, improve the bearing capacity of seabed mud face, and make seabed mud face as far as possible smooth, the preliminary gradient that guarantees platform, as shown in Figure 3;
2) after completing and blowing mud, need three towages location ship 11 that casts anchor to carry out the operation of casting anchor of towage location, hull platform 1 is adjusted to assigned position, comprising the position degree of hull platform 1, azimuthal adjustment, then by the positioning anchor 10 fixed hull platform 1 that casts anchor, as shown in Figure 4;
3) unclamp retaining mechanism 5, start elevating mechanism 4, utilize elevating mechanism 4 to make gradually spud leg 3 and suction pile basis 2 descend to seabed, after arriving seabed, unclamp elevating mechanism 4, hull platform 1 and spud leg 3 are separated fully, hull platform 1 swims on the water surface, and suction pile basis 2 completes initial penetration into mud under the effect of deadweight, as shown in Figure 5;
4) start underwater engine system 7, carry out the injection construction on suction pile basis 2, by the monitoring system waterborne 6 on hull platform 1, the installation data of monitoring hull platform 1, the subsidence velocity of controlled suction pile foundation 2, if can't adjust to the right place like this, need to by suction pile basis 2, from the earth of seabed, jacking be out, then injection again, until reach requirement, as shown in Figure 6;
5) after suction pile basis 2 injection put in place, remove positioning anchor 10, hull platform 1 free floating is on the water surface, as shown in Figure 7;
6) start elevating mechanism 4, make hull platform 1 rise to assigned address, and then start retaining mechanism 5, make hull platform 1 fixing with spud leg 3, as shown in Figure 8.
After the drilling well of a certain place or oil producing operation complete, need that this platform structure is moved to next place and continue operation, platform structure need to complete pile pulling and shift construction, and this pile pulling that suction pile formula moveable platform structure is installed is certainly shifted the construction operation process as shown in Fig. 9 to Figure 13:
1) at first unclamp retaining mechanism 5, start elevating mechanism 4, utilize elevating mechanism 4 that hull platform 1 is dropped to the water surface, make hull platform 1 rely on the buoyancy of self to swim on the water surface, positioning anchor 10 from hull platform 1 upthrow, the windlass started on hull platform 1 tightens up positioning anchor 10, by 1 grappling of hull platform, as shown in Figure 9;
2) start underwater engine system 7, by suction pile basis 2 jacking from ocean bottom soil; Because spud leg 3 is what to separate with hull platform 1, so driving spud leg 3, suction pile basis 2 freely rises, hull platform 1 still relies on the buoyancy of self to swim on the water surface, as shown in figure 10;
3) start elevating mechanism 4, elevating mechanism 4 be take hull platform 1 as benchmark, makes spud leg 3 rise together with suction pile basis 2, as shown in figure 11;
4) after spud leg 3 and 2 risings of suction pile basis put in place, start retaining mechanism 5, make spud leg 3 and suction pile basis 2 fixing with hull platform 1, as shown in figure 12;
5) hull platform 1 and the towage location ship 11 that casts anchor is connected, then removes positioning anchor 10, and the towage location ship 11 that casts anchor arrives next setting by this platform structure global transfer, as shown in figure 13.
As shown in Figure 14 to Figure 22, the edge that spud leg 3 is corresponding with hull platform 1 is provided with vertical spud leg track 31, spud leg track 31 is provided with locating hole 32 from top to bottom, elevating mechanism 4 comprises upper supporting piece, lower support element and the extensible member between upper supporting piece, lower support element, upper supporting piece and hull platform 1 are fixing, the two ends of extensible member are fixedly connected with upper supporting piece, lower support element respectively, and upper supporting piece, lower support element are equipped with the expansion link 44 that can stretch in locating hole 32.Wherein, upper supporting piece can be hydraulic cylinder 41, and lower support element can be lower hydraulic cylinder 42; Extensible member can be jacking hydraulic cylinder 43, and the piston rod of jacking hydraulic cylinder 43 is fixedly connected with upper hydraulic cylinder 41, and the cylinder barrel of jacking hydraulic cylinder 43 is fixedly connected with lower hydraulic cylinder 42.Upper supporting piece, lower support element and extensible member also can be other device with telescopic expansion link.
The step that elevating mechanism 4 once rises the relative spud leg 3 of hull platform 1, as shown in Figure 16 to Figure 22:
1) elevating mechanism 4 is with spud leg track 31 fixedly the time, in the locating hole 32 of the expansion link 44 insertion spud leg tracks 31 of upper hydraulic cylinder 41, lower hydraulic cylinder 42, as shown in figure 16;
2) expansion link 44 of upper hydraulic cylinder 41 is retracted, and the expansion link 44 of lower hydraulic cylinder 42 still is inserted in the locating hole 32 of spud leg track 31, as shown in figure 17;
3) piston rod of jacking hydraulic cylinder 43 jack-up that makes progress, make hydraulic cylinder 41 drive hull platforms 1 and move upward, as shown in figure 18;
4) piston rod of jacking hydraulic cylinder 43 makes progress after jacking puts in place, and the expansion link 44 of upper hydraulic cylinder 41 inserts in the locating hole 32 of spud leg tracks 31, as shown in figure 19;
5) expansion link 44 of lower hydraulic cylinder 42 is retracted, as shown in figure 20;
6) piston rod of jacking hydraulic cylinder 43 is retracted, and makes jacking hydraulic cylinder 43 drive lower hydraulic cylinder 42 and moves upward together, as shown in figure 21;
7) expansion link 44 of lower hydraulic cylinder 42 inserts in the locating hole 32 of spud leg track 31, as shown in figure 22.
This elevating mechanism 4 is as descended the relative spud leg 3 of hull platform 1, the expansion link 44 of hydraulic cylinder 42 under first retracting, make again the piston rod of jacking hydraulic cylinder 43 eject, making jacking hydraulic cylinder 43 drive lower hydraulic cylinder 42 moves downward, then descend the expansion link 44 of hydraulic cylinder 42 to insert in the locating hole 32 of spud leg track 31, the expansion link 44 of upper hydraulic cylinder 41 is retracted, the piston rod of last jacking hydraulic cylinder 43 is retracted, in drive, hydraulic cylinder 41 and hull platform 1 move downward, and put in place the expansion link 44 of rear upper hydraulic cylinder 41 of motion inserts in the locating hole 32 of spud leg tracks 31.
The mode that this elevating mechanism 4 adopts hydraulic pressure to creep, drive hull platform 1 to move up and down, can also make hull platform 1 and spud leg track 31 separate fully, guarantee that suction pile basis 2 is when installing with the pile pulling construction, hull platform 1 can swim on the water surface, in order to avoid the weight of hull platform 1 has influence on injection and the jack-up construction on suction pile basis 2.
As shown in Figure 14, Figure 15, Figure 23 to Figure 26, the edge that spud leg 3 is corresponding with hull platform 1 is provided with vertical spud leg track 31, spud leg track 31 is provided with locating hole 32 from top to bottom, retaining mechanism 5 comprises latch segment 51, latch segment 51 is connected with hull platform 1 by propulsion plant, and latch segment 51 is provided with the backstay 52 that can insert locating hole 32.Propulsion plant comprises propelling hydraulic cylinder 53 and propelling hydraulic cylinder bearing 54, and propelling hydraulic cylinder bearing 54 is fixedly connected with hull platform 1, the piston rod of propelling hydraulic cylinder 53 and latch segment 51 pivot joints, the cylinder barrel of propelling hydraulic cylinder 53 and 54 pivot joints of propelling hydraulic cylinder bearing.By latch segment 51 is inserted in the locating hole 32 of spud leg track 31, can make spud leg 3 relative with hull platform 1 fixing.
The concrete locking step of retaining mechanism 5, as shown in Figure 23 to Figure 26:
When 1) latch segment 51 separates with spud leg track 31, adjust hydraulic cylinder 56 by the relative position of the flexible adjustment latch segment 51 of piston rod, make the locating hole 32 of the backstay 52 of latch segment 51 over against spud leg track 31, as shown in figure 23;
2) propelling hydraulic cylinder 53 stretches out piston rod and pushes latch segment 51 to spud leg track 31, and the backstay 52 of latch segment 51 is inserted in the locating hole 32 of spud leg tracks 31, as shown in figure 24;
3) be positioned at the keeper 57 of latch segment 51 sides, stretch out push rod and withstand latch segment 51, as shown in figure 25;
4) be positioned at the keeper 57 of latch segment 51 tops, below, stretch out push rod and withstand latch segment 51, as shown in figure 26.
The step that retaining mechanism 5 separates with spud leg track 31 is first the push rod of keeper 57 to be retracted, then by propelling hydraulic cylinder 53, adjustment hydraulic cylinder 56, the backstay of latch segment 51 52 is extracted from the locating hole 32 of spud leg track 31.
This retaining mechanism 5 can make hull platform 1 fixing with spud leg 3, can also make hull platform 1 and spud leg 3 separate fully, guarantee that suction pile basis 2 is when installing with the pile pulling construction, hull platform 1 can swim on the water surface, in order to avoid the weight of hull platform 1 has influence on injection and the jack-up construction on suction pile basis 2.
As shown in Figure 27 to Figure 30, suction pile basis 2 comprises and is positioned at the suction anchor of below of suction pile basis 2, and suction anchor is a top closure, the unlimited cylinder barrel in lower end, and the suction anchor top is provided with the interface 21 be connected with underwater engine system 7.
As shown in figure 27, monitoring system 6 waterborne comprises control operation panel 61 and the electrical source of power switch board 62 be connected with control operation panel 61, signaling interface and AC/D power supply 63, and signaling interface also is connected with inclinator 64, gyro compass 65, hydraulic pressure controlling solenoid valve 66, electrical source of power switch board 62 with AC/D power supply 63.Underwater engine system 7 comprises at least one submersible pump 71, cylinder pressure sensor 72, cylinder external pressure sensor 73, hydraulic drive valve 74, hydraulic cylinder 75, cylinder pressure sensor 72 is positioned at the inside of suction anchor, cylinder external pressure sensor 73 is positioned at the outside of suction anchor, cylinder pressure sensor 72, cylinder external pressure sensor 73 are connected with AC/D power supply 63 with signaling interface, hydraulic cylinder 75 is connected with hydraulic pressure controlling solenoid valve 66, hydraulic drive valve 74, and submersible pump 71 is connected with hydraulic drive valve 74, electrical source of power switch board 62.
Inclinator 64, gyro compass 65 is for measuring the position degree of hull platform 1, gradient and azimuth, cylinder pressure sensor 72 is measured the internal pressure of suction anchor, cylinder external pressure sensor 73 is measured the external pressure of suction anchor, inclinator 64, gyro compass 65, cylinder pressure sensor 72 and cylinder external pressure sensor 73 pass to signaling interface and AC/D power supply 63 by signal, signaling interface and AC/D power supply 63 pass to electrical source of power switch board 62 again, control operation panel 61, hydraulic pressure controlling solenoid valve 66, electrical source of power switch board 62 is controlled submersible pump 71 actions, hydraulic pressure controlling solenoid valve 66 is controlled hydraulic cylinder 75 actions, hydraulic cylinder 75 is controlled hydraulic drive valve 74 actions.
As shown in Figure 28 to Figure 30, the import of submersible pump 71 and go out interruption-forming one closed-loop path, hydraulic drive valve 74 comprises the first tee ball valve 741, the second tee ball valve 742 and a plurality of two pass ball valves 743, one of them interface of the first tee ball valve 741 and the second tee ball valve 742 is interconnected, another two interfaces of the first tee ball valve 741 respectively with the closed-loop path of submersible pump 71, inlet pipeline 76 is communicated with, another two interfaces of the second tee ball valve 742 respectively with the closed-loop path of submersible pump 71, outlet pipeline 77 is communicated with, one end of two pass ball valves 743 and the first tee ball valve 741, connecting line between the second tee ball valve 742 is communicated with, the other end of two pass ball valves 743 is communicated with the interface 21 on suction anchor top.
As shown in figure 29, under water during dynamical system 7 draining, the first tee ball valve 741 is communicated with two pass ball valves 743 with the closed-loop path of submersible pump 71, the second tee ball valve 742 is communicated with outlet pipeline 77 with the closed-loop path of submersible pump 71, like this, the water of suction anchor inside, by interface 21, two pass ball valves 743, the first tee ball valve 741, submersible pump 71, second tee ball valve 742 on suction anchor top, is discharged from outlet pipeline 77.
As shown in figure 30, under water during dynamical system 7 water filling, the first tee ball valve 741 is communicated with inlet pipeline 76 with the closed-loop path of submersible pump 71, the second tee ball valve 742 is communicated with two pass ball valves 743 with the closed-loop path of submersible pump 71, like this, water is by inlet pipeline 76, the first tee ball valve 741, submersible pump 71, the second tee ball valve 742, two pass ball valves 743, and the interface 21 on suction anchor top, to the suction anchor internal water flooding.
Suction anchor is by the outside draining of submersible pump 71 be arranged on its top, and the water yield that makes extraction in the same time causes the suction anchor internal pressure to reduce over the water yield of infiltrating from bottom.When the inside and outside pressure reduction by suction anchor cause act on pressure vertically downward on the suction anchor top and surpass soil to the resistance of suction anchor the time, suction anchor can constantly be pressed in soil.While extracting suction anchor, can cause the suction anchor internal pressure to exceed external pressure to water filling in suction anchor, thereby the pressure vertically upward that makes to act on the suction anchor top surpass native resistance, by suction anchor jack-up from soil.
The suction pile type foundation is a kind of shallow foundation (with respect to the deep foundation stake of the property squeezed into) of the non-property squeezed into, because of its suction anchor inverted bucket seemingly, and top closure, lower end is opened wide, so sometimes also referred to as bucket base or bucket foundation.This certainly install suction pile formula moveable platform structure can adopt towage location to cast anchor at sea mode that ship pulls is transported, do not need large-scale construction equipment and the boats and ships such as crane barge during installation, thereby can greatly reduce the offshore construction expense, simultaneously, the suction pile type foundation can be by water filling in suction anchor and pile pulling from the mud of seabed, can move to other place after pile pulling and reinstall again, realize the function of " mobility " and " reusing ".
In sum, the utility model is from suction pile formula moveable platform structure is installed, because this platform structure is provided with the suction pile basis had from installation function, the suction pile basis is monitoring system on the water, realize injection and the pile pulling on the mud face of seabed under the effect of underwater engine system, this platform structure also is provided with elevating mechanism and retaining mechanism simultaneously, there is lifting and pack up the function on suction pile basis, make this platform structure there is installation and movably function certainly, reach " mobility " and " reusing ", provide a kind of and can collect production, power, oil storage, defeated outward, the development mode of the small scale production plant that life is integrated, after this platform structure has been adopted a small oil field as honeybee, can move on to the another one small oil field recovers the oil, its investment can be reclaimed in a plurality of oil field developments, for " honeybee formula " development mode of marginal field provides effective technical support.So the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, be modified or be changed above-described embodiment.Therefore, have in technical field under such as and usually know that the knowledgeable modifies or changes not breaking away from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (13)
1. one kind suction pile formula moveable platform structure is installed certainly, it is characterized in that: it comprises the hull platform and is positioned at the suction pile basis of described hull platform below, described suction pile basis is connected by a plurality of spud legs with described hull platform, be provided with elevating mechanism and retaining mechanism between described spud leg and described hull platform, described suction pile basis is connected with monitoring system waterborne, underwater engine system, also be provided with and can lift the Platform lifting devices that blows the mud device on described hull platform, the edge of described hull platform has also hung a plurality of positioning anchors.
2. according to claim 1 from suction pile formula moveable platform structure is installed, it is characterized in that: on described hull platform, also be provided with helicopter deck.
3. according to claim 1 from suction pile formula moveable platform structure is installed, it is characterized in that: the edge that described spud leg is corresponding with described hull platform is provided with vertical spud leg track, described spud leg track is provided with locating hole from top to bottom, described elevating mechanism comprises upper supporting piece, lower support element and be positioned at upper supporting piece, extensible member between lower support element, described upper supporting piece and described hull platform are fixed, the two ends of described extensible member respectively with described upper supporting piece, lower support element is fixedly connected with, described upper supporting piece, lower support element is equipped with the expansion link that can stretch in described locating hole.
4. according to claim 3 from suction pile formula moveable platform structure is installed, it is characterized in that: described upper supporting piece is upper hydraulic cylinder, and described lower support element is lower hydraulic cylinder; Described extensible member is the jacking hydraulic cylinder, and the piston rod of described jacking hydraulic cylinder is fixedly connected with upper hydraulic cylinder, and the cylinder barrel of described jacking hydraulic cylinder is fixedly connected with described lower hydraulic cylinder.
5. according to claim 1 from suction pile formula moveable platform structure is installed, it is characterized in that: the edge that described spud leg is corresponding with described hull platform is provided with vertical spud leg track, described spud leg track is provided with locating hole from top to bottom, described retaining mechanism comprises latch segment, described latch segment is connected with described hull platform by propulsion plant, and described latch segment is provided with the backstay that can insert described locating hole.
6. according to claim 5 from suction pile formula moveable platform structure is installed, it is characterized in that: described propulsion plant comprises propelling hydraulic cylinder and propelling hydraulic cylinder bearing, described propelling hydraulic cylinder bearing is fixedly connected with described hull platform, the piston rod of described propelling hydraulic cylinder and described latch segment pivot joint, the cylinder barrel of described propelling hydraulic cylinder and the pivot joint of described propelling hydraulic cylinder bearing.
7. according to claim 5 from suction pile formula moveable platform structure is installed, it is characterized in that: described retaining mechanism also comprises adjusting device, described adjusting device comprises to be adjusted hydraulic cylinder and adjusts the hydraulic cylinder bearing, described adjustment hydraulic cylinder bearing is fixedly connected with described hull platform, the piston rod of described adjustment hydraulic cylinder and described latch segment pivot joint, the cylinder barrel of described adjustment hydraulic cylinder and the pivot joint of described adjustment hydraulic cylinder bearing.
8. according to claim 5 from suction pile formula moveable platform structure is installed, it is characterized in that: described retaining mechanism also comprises the fixing keeper of a plurality of and described hull platform, described keeper is positioned at top, below and the side of described latch segment, and described keeper is provided with the push rod that stretches to described latch segment.
9. according to claim 8 from suction pile formula moveable platform structure is installed, it is characterized in that: described keeper is self-locking jack.
10. according to claim 1 from suction pile formula moveable platform structure is installed, it is characterized in that: described suction pile basis comprises and is positioned at the suction anchor of below of described suction pile basis, described suction anchor is a top closure, the unlimited cylinder barrel in lower end, and described suction anchor top is provided with the interface be connected with described underwater engine system.
11. according to claim 10 from suction pile formula moveable platform structure is installed, it is characterized in that: described monitoring system waterborne comprises control operation panel and the electrical source of power switch board, signaling interface and the AC/D power supply that are connected with described control operation panel, and described signaling interface also is connected with inclinator, gyro compass, hydraulic pressure controlling solenoid valve, electrical source of power switch board with the AC/D power supply.
12. according to claim 11 from suction pile formula moveable platform structure is installed, it is characterized in that: described underwater engine system comprises at least one submersible pump, the cylinder pressure sensor, the cylinder external pressure sensor, hydraulic drive valve, hydraulic cylinder, described cylinder pressure sensor is positioned at the inside of described suction anchor, described cylinder external pressure sensor is positioned at the outside of described suction anchor, described cylinder pressure sensor, the cylinder external pressure sensor is connected with the AC/D power supply with described signaling interface, described hydraulic cylinder and described hydraulic pressure controlling solenoid valve, hydraulic drive valve connects, described submersible pump and described hydraulic drive valve, the electrical source of power switch board connects.
13. according to claim 12 from suction pile formula moveable platform structure is installed, it is characterized in that: the import of described submersible pump and go out interruption-forming one closed-loop path, described hydraulic drive valve comprises the first tee ball valve, the second tee ball valve and a plurality of two pass ball valves, one of them interface of described the first tee ball valve and the second tee ball valve is interconnected, another two interfaces of described the first tee ball valve respectively with the closed-loop path of described submersible pump, inlet pipeline is communicated with, another two interfaces of described the second tee ball valve respectively with the closed-loop path of described submersible pump, outlet pipeline is communicated with, one end of described two pass ball valves and described the first tee ball valve, connecting line between the second tee ball valve is communicated with, the other end of described two pass ball valves is communicated with the interface on described suction anchor top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320370476.5U CN203373716U (en) | 2013-06-26 | 2013-06-26 | Self-installation suction pile type movable platform structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320370476.5U CN203373716U (en) | 2013-06-26 | 2013-06-26 | Self-installation suction pile type movable platform structure |
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| Publication Number | Publication Date |
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| CN203373716U true CN203373716U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320370476.5U Withdrawn - After Issue CN203373716U (en) | 2013-06-26 | 2013-06-26 | Self-installation suction pile type movable platform structure |
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| CN (1) | CN203373716U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250968A (en) * | 2013-06-26 | 2014-12-31 | 上海利策海洋工程技术有限公司 | Self-installation suction pile type movable platform structure |
| CN104895034A (en) * | 2014-03-06 | 2015-09-09 | 天津市海王星海上工程技术股份有限公司 | Suction pile bottom hull type self-lifting platform and installation method |
| CN105507359A (en) * | 2016-01-12 | 2016-04-20 | 三明市万禾环保科技有限公司 | Full-automatic efficient sand extraction device employing underwater screening |
| CN109477501A (en) * | 2016-06-01 | 2019-03-15 | 株式会社尼康 | For controlling the control system of fluid actuator |
| CN110719981A (en) * | 2017-06-06 | 2020-01-21 | 伊代奥尔公司 | Launching method |
-
2013
- 2013-06-26 CN CN201320370476.5U patent/CN203373716U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250968A (en) * | 2013-06-26 | 2014-12-31 | 上海利策海洋工程技术有限公司 | Self-installation suction pile type movable platform structure |
| CN104250968B (en) * | 2013-06-26 | 2016-01-27 | 上海利策海洋工程技术有限公司 | From installation suction pile formula moveable platform structure |
| CN104895034A (en) * | 2014-03-06 | 2015-09-09 | 天津市海王星海上工程技术股份有限公司 | Suction pile bottom hull type self-lifting platform and installation method |
| CN105507359A (en) * | 2016-01-12 | 2016-04-20 | 三明市万禾环保科技有限公司 | Full-automatic efficient sand extraction device employing underwater screening |
| CN109477501A (en) * | 2016-06-01 | 2019-03-15 | 株式会社尼康 | For controlling the control system of fluid actuator |
| CN109477501B (en) * | 2016-06-01 | 2021-07-09 | 株式会社尼康 | Control system for controlling a fluid actuator |
| CN110719981A (en) * | 2017-06-06 | 2020-01-21 | 伊代奥尔公司 | Launching method |
| CN110719981B (en) * | 2017-06-06 | 2022-04-19 | 伊代奥尔公司 | Launching method |
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Granted publication date: 20140101 Effective date of abandoning: 20160127 |
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