CN108639281A - A kind of underwater production facility throws aside device - Google Patents

A kind of underwater production facility throws aside device Download PDF

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Publication number
CN108639281A
CN108639281A CN201810473122.0A CN201810473122A CN108639281A CN 108639281 A CN108639281 A CN 108639281A CN 201810473122 A CN201810473122 A CN 201810473122A CN 108639281 A CN108639281 A CN 108639281A
Authority
CN
China
Prior art keywords
main body
truss
pressure
production facility
floating drum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810473122.0A
Other languages
Chinese (zh)
Inventor
谭越
周晓东
王春升
陈国龙
石云
王国栋
尚超
平朝春
杨旭
窦宏波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
Original Assignee
China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Offshore Oil Corp CNOOC, CNOOC Research Institute Co Ltd filed Critical China National Offshore Oil Corp CNOOC
Priority to CN201810473122.0A priority Critical patent/CN108639281A/en
Publication of CN108639281A publication Critical patent/CN108639281A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/52Tools specially adapted for working underwater, not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Underground Or Underwater Handling Of Building Materials (AREA)

Abstract

The invention discloses a kind of underwater production facilities to throw aside device, it is characterised in that:It includes the main body truss in quadrilateral structure;The pressure-bearing floating drum being fixed on the main body truss, the pressure-bearing floating drum at least two, and be symmetric on the main body truss;It is fixedly installed on the upper hoisting mechanism for connection construction ship on main body truss top, is fixed at lower hoisting mechanism of the main body frame lower part for connecting underwater production facility.The present invention can facilitate the lifting to different size, type underwater production facility, water is adjustable in pressure-bearing floating drum, whole device dead weight is adjusted when facilitating decentralization, conducive to decentralization, when pull-up, increases buoyancy suffered by whole device, compensates workboat crane capacity, reduce the requirement to loop wheel machine ability, it saves lease or purchases the expense of waterpower purger, save operating expenses, realize effective Disposal of underwater production facility.

Description

A kind of underwater production facility throws aside device
Technical field
Throw aside device the present invention relates to one kind, more particularly to it is a kind of subsea manifold applied to based on mud mat, underwater The underwater production facilities such as duct end throw aside device.
Background technology
Subsea production system can save a large amount of construction investments, by disaster shadow to avoid expensive offshore production platform is built Sound is smaller, highly reliable, with the continuous development of technology, it has also become a kind of mainstream Development Finance of offshore oil and gas field exploitation.
After offshore oil and gas field terminates all production activities, waste disposal should be carried out to the offshore production facility of the oil gas field; The waste disposal of marine engineering facility can be divided into that original place is thrown aside, strange land is thrown aside and the three kinds of modes that are used for other purposes.
There are many facilities to form for subsea production system, including subsea manifold, submarine pipeline terminal, subsea distribution unit etc., The scale of these facilities is different, it is however generally that, manifold is relatively large, and subsea distribution unit is relatively small, therefore is abandoning When setting, the difference according to facility size is needed to use different construction tools.
Subsea production system is thrown aside, and is not the inverse process of installation.Since the mud mat basis of underwater facility is in seabed After the injection of mud face, sea organism attachment, can lead to the increase of its weight for many years;Soil constantly consolidate and mud face at soil Adsorption force proposes the crane capacity of workboat the requirement of bigger when directly lifting by crane.Simple estimation, it is assumed that one certainly Weight is that 200 tons of underwater production facility in order to overcome above-mentioned motive power, then needs to pull out on about 400 tons when throwing aside Power, originally the elevating capacity of used construction ship is not often just much of that when installation decentralization.
At this point, waterpower purger would generally be used to carry out high-pressure water jet to the soil at basis, it is discarded for preparing Facility, there is no problem for this measure.But for plan be used for other purposes the case where, due to high-pressure water jet control difficulty compared with Greatly, it is difficult to ensure that not generating damage to structure and part and destroying.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of underwater production facilities to throw aside device, which is suitable for The underwater lifting of various subsea production systems pulls up, and realizes effective Disposal of underwater production facility.
To achieve the above object, the present invention uses following technical scheme, a kind of underwater production facility to throw aside device, feature It is:It includes the main body truss in quadrilateral structure;The pressure-bearing floating drum being fixed on the main body truss, the pressure-bearing Floating drum at least two, and be symmetric on the main body truss, water is adjustable in the pressure-bearing floating drum;It is fixedly installed on The upper hoisting mechanism for connection construction ship on main body truss top is fixed at the main body frame lower part for connecting Connect the lower hoisting mechanism of underwater production facility.
The pressure-bearing floating drum connects hydraulic line, and the hydraulic pressure being connect with the hydraulic line is provided on the workboat It stands, the hydraulic station controls water-filling and draining in the pressure-bearing floating drum by the hydraulic line, makes in the pressure-bearing floating drum Water it is adjustable.
The upper hoisting mechanism includes four lifting ropes being fixedly connected at the top of the main body truss on quadrangle, described in four The one end of lifting rope far from the main body truss is gathered in the top of main body truss center, and is both connected on lifting lug; The lower hoisting mechanism includes four hoist cables being fixedly connected in the bottom four corners of the main body truss.
The main body truss is steel rectangular configuration comprising transverse truss and longitudiual truss, the adjacent lateral purlin It is connected by Bidirectional adjusting block between frame and longitudiual truss, wherein the top sliding of the Bidirectional adjusting block is threaded through the cross To on truss, lower slide is threaded through on the longitudiual truss;It is fixedly connected described in one at the top of each Bidirectional adjusting block Lifting rope, lower part are fixedly connected with a hoist cable.
The pressure-bearing floating drum is cylindrical watertight housings structure, the main body truss two transverse truss it is oblique on A pressure-bearing floating drum is arranged in support respectively for side.
The present invention uses above technical scheme, has the following advantages that:1, main body truss top and the bottom of the invention are set respectively Hoisting mechanism and lower hoisting mechanism are set, the connection of device and underwater production facility and workboat conveniently can be entirely thrown aside, Water is adjustable in pressure-bearing floating drum, and whole device dead weight is adjusted when facilitating decentralization, is conducive to decentralization, and when pull-up increases suffered by whole device Buoyancy compensates workboat crane capacity, reduces the requirement to loop wheel machine ability, saves lease or purchases the expense of waterpower purger With saving operating expenses realizes effective Disposal of underwater production facility.2, the adjacent transverse purlin of main body truss of the invention It is connected by Bidirectional adjusting block between frame and longitudiual truss, Bidirectional adjusting block transversely truss and longitudiual truss slidable adjustment main body The Hoisting Position of four hoist cables of truss lower part enables main body truss to correspond to the underwater life of lifting different specification size, type Facility is produced, realizes that a frame is multi-purpose, reduces the cost of manufacture of main body truss, realize effective Disposal of underwater production facility.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is the positive structure diagram of the present invention;
Fig. 3 is the structural schematic diagram of bidirectional adjustment mechanism of the present invention;
Fig. 4 is the attachment structure schematic diagram during use of the present invention.
Specific implementation mode
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, Figure 2, Figure 4 shows, the present invention provides a kind of underwater production facilities to throw aside device, it includes main body truss 1, pressure-bearing floating drum 2 and Lift-on/Lift-off System;Main body truss 1 is in quadrilateral structure, and two pressure-bearing floating drums 2, and two pressure-bearings are at least arranged thereon Floating drum 2 is symmetric on main body truss 1, and water is adjustable in pressure-bearing floating drum 2;Lift-on/Lift-off System includes upper hoisting mechanism 31 under Hoisting mechanism 32, upper hoisting mechanism 31 are set to the top of main body truss 1, are connect with workboat 6 for that entirely will throw aside device, Lower hoisting mechanism 32 is set to the lower part of main body truss 1, for connecting underwater production facility 7.
Further, pressure-bearing floating drum 2 is connect with hydraulic line 4, and the liquid being connect with hydraulic line 4 is provided on workboat 6 Pressure station, hydraulic station control water-filling and draining in pressure-bearing floating drum 2 by hydraulic line 4, keep the water in pressure-bearing floating drum 2 adjustable.
Further, upper hoisting mechanism 31 includes four lifting ropes 311 being fixedly connected on 1 top quadrangle of main body truss, Four one end of lifting rope 311 far from main body truss 1 are gathered in the top of 1 center of main body truss, and are both connected on lifting lug; Lower hoisting mechanism 32 includes four hoist cables 321 being fixedly connected in the bottom four corners of main body truss 1.
Further, as shown in figure 3, main body truss 1 is steel rectangular configuration comprising transverse truss 11 and longitudiual truss 12, it is connected by Bidirectional adjusting block 5 between adjacent transverse truss 11 and longitudiual truss 12, wherein the top of Bidirectional adjusting block 5 Sliding is threaded through on transverse truss 11, and lower slide is threaded through on longitudiual truss 12;The top of each Bidirectional adjusting block 5, which is fixed, to be connected A lifting rope 311 is connect, lower part is fixedly connected with a hoist cable 321;Transversely truss 11 or longitudiual truss 12 slide not only Bidirectional adjusting block 5 The rectangular configuration of main body truss 1 is set to change to " well " character form structure, and the hoist cable 321 for changing 5 bottom of Bidirectional adjusting block lifts Position so that entire device of throwing aside can be suitable for the lifting of different size, different types of underwater production facility, improve entire Throw aside the practicability of device.
Further, pressure-bearing floating drum 2 is nearly cylindrical watertight housings structure, in two transverse truss 11 of main body truss 1 Oblique upper supports one pressure-bearing floating drum 2 of setting respectively.
As shown in figure 4, the present invention use process is as follows:First, workboat 6 transports entire device of throwing aside to underwater raw Above the waters for producing facility 7, device entirely is thrown aside using the crane barge decentralization on workboat 6, in decentralization process, gradually to pressure-bearing Water-filling in floating drum 2 makes the gravity for entirely throwing aside device be slightly larger than buoyancy, reduces the gib head power of crane barge on workboat, convenient entire Throw aside device decentralization;It throws aside device and constantly sinks down into 7 top of underwater production facility, the hoist cable 321 and water of device lower part will be thrown aside Lifting lug docking on lower production facility 7, guarantee are thrown aside device and are stably connected with underwater production facility 7, and crane barge pulls up later Device is thrown aside, underwater production facility 7 is pulled up or strange land is thrown aside, or is changed to him and is used, to avoid the gib head of crane barge on workboat 6 Power is excessive, and when pulling up underwater production facility 7, the water section in pressure-bearing floating drum 2 is discharged, increases the buoyancy for throwing aside device, To supplement the elevating capacity of workboat 6, reduce to the requirement of 6 crane capacity of workboat.Lift the underwater production facility 7 of different size When, the main body truss 1 for throwing aside device can be adjusted in advance, i.e., transversely truss 11 and longitudiual truss 12 slide Bidirectional adjusting block 5, make The hoist cable 321 of 5 bottom of Bidirectional adjusting block is corresponding with the lifting lug position on the underwater production facility 7 that will be sling, then transfers and throw aside Device.
The present invention is only illustrated with above-described embodiment, and structure, installation position and its connection of each component are all can have Changed.Based on the technical solution of the present invention, all improvement that individual part is carried out according to the principle of the invention or equivalent Transformation, should not exclude except protection scope of the present invention.

Claims (5)

1. a kind of underwater production facility throws aside device, it is characterised in that:It includes the main body truss in quadrilateral structure;Fixation is set The pressure-bearing floating drum on the main body truss, the pressure-bearing floating drum at least two are set, and is in symmetrical on the main body truss It is distributed, water is adjustable in the pressure-bearing floating drum;It is fixedly installed on the hanging oneself for connection construction ship on main body truss top Mounting mechanism is fixed at lower hoisting mechanism of the main body frame lower part for connecting underwater production facility.
2. a kind of underwater production facility as described in claim 1 throws aside device, it is characterised in that:The pressure-bearing floating drum connects liquid Pressure pipeline is provided with the hydraulic station being connect with the hydraulic line on the workboat, and the hydraulic station passes through the hydraulic tube Water-filling in pressure-bearing floating drum described in line traffic control and draining keep the water in the pressure-bearing floating drum adjustable.
3. a kind of underwater production facility as described in claim 1 throws aside device, it is characterised in that:The upper hoisting mechanism includes It is fixedly connected on four lifting ropes on quadrangle, the one end of four lifting ropes far from the main body truss at the top of the main body truss Gather in the top of main body truss center, and is both connected on lifting lug;The lower hoisting mechanism includes being fixedly connected Four hoist cables in the bottom four corners of the main body truss.
4. a kind of underwater production facility as claimed in claim 3 throws aside device, it is characterised in that:The main body truss is steel Rectangular configuration comprising transverse truss and longitudiual truss pass through two-way tune between the adjacent transverse truss and longitudiual truss Locking nub connects, wherein the top sliding of the Bidirectional adjusting block is threaded through on the transverse truss, and lower slide is threaded through described On longitudiual truss;A lifting rope is fixedly connected at the top of each Bidirectional adjusting block, lower part is fixedly connected with a hoist cable.
5. a kind of underwater production facility as claimed in claim 4 throws aside device, it is characterised in that:The pressure-bearing floating drum is cylinder Shape watertight housings structure supports one pressure-bearing of setting floating respectively in the oblique upper of two transverse truss of the main body truss Cylinder.
CN201810473122.0A 2018-05-17 2018-05-17 A kind of underwater production facility throws aside device Pending CN108639281A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810473122.0A CN108639281A (en) 2018-05-17 2018-05-17 A kind of underwater production facility throws aside device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810473122.0A CN108639281A (en) 2018-05-17 2018-05-17 A kind of underwater production facility throws aside device

Publications (1)

Publication Number Publication Date
CN108639281A true CN108639281A (en) 2018-10-12

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CN201810473122.0A Pending CN108639281A (en) 2018-05-17 2018-05-17 A kind of underwater production facility throws aside device

Country Status (1)

Country Link
CN (1) CN108639281A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1932160A (en) * 2005-11-27 2007-03-21 苗德政 Component assembling construction auxiliary apparatus in hydraulic engineering and using method thereof
JP2008138359A (en) * 2006-11-29 2008-06-19 Fukuda Corp Bar member gripping tool, its usage method and its manufacturing method
CN104445590A (en) * 2014-12-08 2015-03-25 安徽国祯环保节能科技股份有限公司 Float bowl type assembling mounting rack of aerated stirring equipment
US20150175244A1 (en) * 2013-12-23 2015-06-25 Deep Blue Engineering Uk Limited Deployment Device
CN105775078A (en) * 2016-03-08 2016-07-20 中国石油大学(华东) Water-gas replacement type underwater equipment auxiliary installation device and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1932160A (en) * 2005-11-27 2007-03-21 苗德政 Component assembling construction auxiliary apparatus in hydraulic engineering and using method thereof
JP2008138359A (en) * 2006-11-29 2008-06-19 Fukuda Corp Bar member gripping tool, its usage method and its manufacturing method
US20150175244A1 (en) * 2013-12-23 2015-06-25 Deep Blue Engineering Uk Limited Deployment Device
CN104445590A (en) * 2014-12-08 2015-03-25 安徽国祯环保节能科技股份有限公司 Float bowl type assembling mounting rack of aerated stirring equipment
CN105775078A (en) * 2016-03-08 2016-07-20 中国石油大学(华东) Water-gas replacement type underwater equipment auxiliary installation device and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张人公等: "中水浮筒回收技术的应用", 《技术研究》 *

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Application publication date: 20181012