CN202529761U - Deep-sea installation device for submarine storage tanks - Google Patents
Deep-sea installation device for submarine storage tanks Download PDFInfo
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- CN202529761U CN202529761U CN2012200403511U CN201220040351U CN202529761U CN 202529761 U CN202529761 U CN 202529761U CN 2012200403511 U CN2012200403511 U CN 2012200403511U CN 201220040351 U CN201220040351 U CN 201220040351U CN 202529761 U CN202529761 U CN 202529761U
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- storage tank
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- storage tanks
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Abstract
The utility model discloses a deep-sea installation device for submarine storage tanks, and belongs to the technical field of marine engineering. The problem of difficulty in deep-sea installation of large submarine structures such as the submarine storage tanks exceeding conventional floating crane and rope joint capacity is solved. The deep-sea installation device for the submarine storage tanks comprises a lifting frame, a heave compensator, a handling winch, an oil supply ship and a packing fluid charging and discharging pipeline. During offshore installation, light weight fluids such as oil are filled in the storage tanks, and additional inertial force caused by shaking of ships and the like is reduced by the heave compensator. By means of reasonable combination of existing equipment, the deep-sea installation device solves the problem that large facilities with the weight exceeding kilotons cannot be installed in deep sea in the past, internal pressure and external pressure are automatically balanced by filling oil, the structural design is easily realized, and heave compensators are serially connected for hoisting, so that the influence of environmental factors on equipment such as a floating crane and the like can be reduced when large underwater facilities are installed.
Description
Technical field
The invention belongs to field of ocean engineering, relate to the deep-sea field engineering of large-scale underwater structures such as seabed storage tank.
Background technology
Receive the crane barge crane capacity and hold the rope quantitative limitation, the maximum weight of the monomer of seabed, deep-sea installation at present is no more than hundreds of tons, and the above bulky structure of the kiloton of monomer-free deadweight is still installed precedent under water in the above marine site of 300m.Although the maximum crane capacity of marine large-scale floating crane reaches tons up to ten thousand; But effectively the up-down variation range is close with the crane arm height usually; Also there is the operator to install in order to carry out the deep-sea; Crane barge is reequiped the increase winch temporarily hold the rope amount, reduce the wire rope handling pulley, this also greatly reduces the maximum weight that monomer can be installed simultaneously.
At gravity platform etc. the main buoyancy that relies on structure self is installed, or utilizes floating drum etc. to assist to accomplish and install, rather than rely on crane, this is inappropriate for the seabed, deep-sea and installs.
Patent had been declared by my unit--and deep water oil storage petroleum production system (CN101672176) under water proposes the installation of large-scale underwater storage tank employing inflatable, and advantage is that cost is low, and available buoyancy is big, can carry bigger counterweight; The problem that exists is along with the depth of water changes, and an air is needed constantly inflation by significantly compression in jar, and a large amount of pressurized air power consumption height and supply air line, lectotype selection difficulty only are suitable for when the depth of water is more shallow, adopting during the depth of water.
Facilities such as present marine crane barge, heave compensator, oil carrier, large-scale winch belong to mature technology, but do not see through optimal combination and be used for the technology that the seabed main facilities is installed.
Summary of the invention
The objective of the invention is to be the main combination that utilizes existing critical equipment, form seabed, deep-sea storage tank equipment and method are installed, solve the installation difficult problem of large tank works at the deep-sea.
Technical solution of the present invention:
Seabed, deep-sea storage tank is installed equipment, fills comb road 5 by lifting frame 1, heave compensator 2, releasing winch 3, bunkering tanker 4, packing fluid and forms, and wherein heave compensator 2 upper ends are fixed on the lifting frame 1, and pulley 6 is set up in the lower end; The cable of releasing winch 3 passes pulley 6 and links to each other with storage tank 7; Packing fluid fills comb road 5 and connects bunkering tanker 4 and storage tank 7.
The connection order of each assembly can be adjusted or simple combination changes.Device also comprises one of pressure sensor 13, displacement pickup 14, ultrasonic range finder sensor 15, video monitor 16 or its combination in any, and is transferred on the working mother boat through wired or wireless mode.More than the releasing winch lifting capacity 1000t, storage tank deadweight 1000-20000t is installed, weight 50-1000t in the water behind the storage tank filling low density liquid.
Because the wave that the seabed, deep-sea receives stream power is very little, need only gravity and be slightly larger than buoyancy, and calculate through checking, can ensure to keep stable after underwater storage tank is installed under water.
The beneficial effect of the invention:
(1) reasonable combination through existing weaponry and equipment; Realized to install at the deep-sea in the past the difficult problem of the main facilities of the kiloton of conducting oneself with dignity; Particularly solved the installation difficult problem of underwater storage tank, for being that an obstacle has been cleared away in the formulation of various marine development plans on basis with the underwater storage tank.
(2) through oil-filled, realized the self-equalizing of inside and outside pressure, structure design is easy to realize.When installing at the deep-sea especially, replace inflation adjustment internal and external equilibrium, needn't in the sinking process, continue adjustment inflation pressure balance buoyancy etc., and can therefore save the control gas circuit, improve safe reliability.
(3) the serial connection heave compensator carries out lifting operation, can reduce when large-scale underwater facility is installed environmental factor to the influence of equipment such as crane barge.
Description of drawings
Fig. 1 is seabed, a deep-sea storage tank scheme of installation
Fig. 2 is the deep-sea seabed storage tank scheme of installation of heave compensator with the storage tank entry
Fig. 3 is seabed, an a kind of osed top deep-sea storage tank
Fig. 4 is a kind of seabed, deep-sea storage tank that does not have the end
1-lifting frame, 2-heave compensator, 3-releasing winch, 4-bunkering tanker, 5-packing fluid fill comb road, 6-pulley, 7-storage tank, 8-notes draining valve, 9-deep water standpipe interface and valve, 10-blow off valve, 11-sea valve, 12-oil pump, 13-pressure sensor, 14-displacement pickup, 15-ultrasonic range finder sensor, 16-video monitor.
The specific embodiment
Equip formation, annexation and construction techniques below in conjunction with Figure of description 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4 explanations:
Seabed, accompanying drawing 1 mesopelagic storage tank installation equipment fills comb road 5 by lifting frame 1, heave compensator 2, releasing winch 3, bunkering tanker 4, packing fluid and forms.Heave compensator 2 upper ends are fixed on the lifting frame 1, and pulley 6 is set up in the lower end; The cable of releasing winch 3 passes pulley 6 and links to each other with storage tank 7; Packing fluid fills comb road 5 and connects bunkering tanker 4 and storage tank 7.Heave compensator 2 is not with storage tank 7 entry when adopting this connection mode.
Seabed, accompanying drawing 2 mesopelagic storage tank is installed equipment and is filled comb road 5 and formed by crane barge (containing lifting frame 1, releasing winch 3), heave compensator 2, bunkering tanker 4, packing fluid.Heave compensator 2 upper ends are fixed on the crane barge suspension hook, and the lower end links to each other with storage tank 7; Packing fluid fills comb road 5 and connects bunkering tanker 4 and storage tank 7.Heave compensator 2 is with storage tank 7 entry when adopting this connection mode.
Accompanying drawing 3, accompanying drawing 4 have been represented seabed, dead front type deep-sea storage tank, seabed, the deep-sea storage tank at the no end and the valve of attaching troops to a unit, transducer arrangements situation respectively.
The mounting process of seabed, deep-sea storage tank is:
The first step: lift 1, bunkering tanker 4, storage tank 7 are all in place to the marine site is installed from boat or towage.
Second step: connection and bunkering tanker 4, the packing fluid accomplished between lifting frame 1, heave compensator 2, releasing winch 3, the storage tank 7 according to aforementioned annexation fill between comb road 5, the storage tank 7 and connect.
The 3rd step: it is oil-filled to storage tank 7 that bunkering tanker 4 fills comb road 5 through packing fluid, simultaneously original gas in the let-down vessel 7.Can need in jar, to pour into earlier an amount of seawater greater than total force if be full of oil back tank body buoyancy through calculating.
The 4th step: in oil-filled process, storage tank 7 slowly sinks, treats that when being flooded by seawater, releasing winch 3 take-up ropes make it to bear the pulling force in the rated range, continue oil-filled in storage tank complete full of liquid.Total weight should be controlled at and be slightly larger than buoyancy in this moment tank body water, and storage tank 7 underwater antiskids move equistability before also need considering after the installation to install to standpipe.
The 5th step: close on the storage tank 7 and fill the valve that comb road 5 links to each other, break off packing fluid then and fill being connected of comb road 5 and storage tank 7 with packing fluid.Other valves of setting up on the storage tank 5 also Close All except that the set sea valve in bottom.
The 6th step: releasing winch 3 cable laying ropes, storage tank 7 is transferred, until the seabed and be adjusted to assigned position.
The 7th step: install through the basic storage tank of accomplishing of above six steps, assist to free the hoist cable on the storage tank with ROV.After connecting the standpipe installation between seabed storage tank 7 and the water surface reception facilities after treating, the displacement oil in the storage tank can be derived through standpipe.
Adopts pressure sensor is measured a jar interior liquid level in the above-mentioned installation process; Adopt displacement pickup and pressure sensor to measure the storage tank submergence depth; Adopt sonac to measure distance, adopt and carry video monitor on the ROV and observe installation situation and avoid conflicting with existing submarine facility installation site apart from the seabed.
Following examples all adopt above-mentioned installation equipment and mounting process except that the parameter difference.
Embodiment 1:20000 m
3Underwater storage tank is installed
The storage tank main body is a steel, and pattern is double wall, double-deck top, the no end.Storage tank maximum capacity 20000 m
3, contain fixed weight deadweight 4780t.Target sea area depth of water 1500m.Oil storage chamber fills 16800 m
3Density is 840kg/m
3Diesel oil, other spaces be full of seawater after, weight 246t under water.Can realize with heave compensator with present crane barge and drilling ship.This kind combination also possesses certain alignment reserve.
Embodiment 2:10 ten thousand side seabed storage tanks are installed.The storage tank form is closed combination storage tank, and design tank body oil tankage 100,000 sides contain the fixed weight deadweight and are 18577t.Oil storage chamber fills 84000 m
3Density 850kg/m
3Diesel oil, other spaces are full of seawater.Weight 757t under water.This kind combination also possesses certain alignment reserve.
Embodiment 3:4000 m
3* N (N is an an integer) jar group under water installs.The underwater storage tank unit is the dead front type storage tank, single jar of rated capacity 4000 m
3, contain fixed weight deadweight 1509t, target area depth of water 300m.Oil storage chamber is full of density 800kg/m
3Kerosene, monomer is weight 85t under water.Under-water operation was accomplished the connection of each jar after monomer was accomplished.
Claims (3)
1. seabed, deep-sea storage tank is installed equipment; Filling comb road (5) by lifting frame (1), heave compensator (2), releasing winch (3), bunkering tanker (4), packing fluid forms; It is characterized in that: heave compensator (2) upper end is fixed on the lifting frame (1), and pulley (6) is set up in the lower end; The cable of releasing winch (3) passes pulley (6) and links to each other with storage tank (7); Packing fluid fills comb road (5) and connects bunkering tanker (4) and storage tank (7).
2. seabed, the described deep-sea of claim 1 storage tank is installed equipment; It is characterized in that: said installation equipment also comprises one of pressure sensor (13), displacement pickup (14), ultrasonic range finder sensor (15), video monitor (16) or its combination in any, and is transferred on the working mother boat through wired or wireless mode.
3. seabed, the described deep-sea of claim 1 storage tank is installed equipment, it is characterized in that: more than the releasing winch lifting capacity 1000t, storage tank deadweight 1000-20000t is installed, weight 50-1000t in the water behind the storage tank filling low density liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200403511U CN202529761U (en) | 2012-02-08 | 2012-02-08 | Deep-sea installation device for submarine storage tanks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200403511U CN202529761U (en) | 2012-02-08 | 2012-02-08 | Deep-sea installation device for submarine storage tanks |
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| Publication Number | Publication Date |
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| CN202529761U true CN202529761U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200403511U Expired - Fee Related CN202529761U (en) | 2012-02-08 | 2012-02-08 | Deep-sea installation device for submarine storage tanks |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241668A (en) * | 2012-02-08 | 2013-08-14 | 中国石油化工股份有限公司 | Device and method for installing deep sea submarine storage tank |
-
2012
- 2012-02-08 CN CN2012200403511U patent/CN202529761U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241668A (en) * | 2012-02-08 | 2013-08-14 | 中国石油化工股份有限公司 | Device and method for installing deep sea submarine storage tank |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151028 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: Well-Drilling Technology Inst., Shengli Petroleum Administration, SINOPEC |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20210208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |