CN107941538B - A kind of submerged pipeline laying installation analog detection method - Google Patents
A kind of submerged pipeline laying installation analog detection method Download PDFInfo
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- CN107941538B CN107941538B CN201711019774.9A CN201711019774A CN107941538B CN 107941538 B CN107941538 B CN 107941538B CN 201711019774 A CN201711019774 A CN 201711019774A CN 107941538 B CN107941538 B CN 107941538B
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Abstract
The present invention relates to a kind of submerged pipelines to be laid with installation analog detection method, and used simulation experiment system includes: motion bracket, ocean platform sport simulated system, workboat model system, pipeline model, sea chart model, control system, Test Data Collecting and analysis system.During simulation test, according to the pipe installation plan of destination item, the pipeline being laid in offshore platform model first, pipeline is drawn from offshore platform model using guidance equipment, and it guides from top to bottom, until the predetermined link position of pipeline lower end arrival sea chart model, it is fixed with sea chart model predeterminated position；If there is not pipeline wrapping phenomena, it is laid with by former laying plan, if there is pipeline wrapping phenomena, then records and modify former laying plan.
Description
Technical field
The invention belongs to deep-sea oil exploitation and technical field of transportation, are related to a kind of submerged pipeline laying installation simulation test
Method.
Background technique
Deep-sea pipeline is the critical equipment of deepwater work, including marine riser, submarine pipeline, marine cable and umbilical cables
Deng playing and at sea carry out oil-gas transportation and Operation control between floating body and subsea production system, between subsea production system
Important function.In deep-sea oil gas development process, each marine oil gas field project can have tens even root canal lines up to a hundred,
It is intricate including pipe-line, drilling well or production riser, cable and umbilical cables etc..In view of marine environment not really
Qualitative, extreme sea condition happens occasionally, and pipeline system is in installation and operation process easily because wrecking and then causing oil leak thing
Therefore.A lot of off-shore pipeline system oil accidents (such as Gulf of Mexico deep water horizon accident) that recent domestic occurs, just lead
Great personnel, property loss and marine environmental pollution are caused.Bitter lesson forces our primary study deepwater pipelines systems
Safety work key technology to ensure construction operation safety, and is further ensured that deep-sea pipeline system in design service life
Long time stability operation.
In order to reach the goals above, carrying out deep-sea pipeline system model test and the preview of installation exercise process is most directly to have
The means of effect, this is of great significance safely to guarantee deep-sea pipeline installation exercise.Ocean engineering field is frequently with basin test
The dynamic response analysis of floating structure (floating platform, offshore wind turbine, FPSO etc.), but basin test often operating difficulties are carried out,
It is expensive, and the test period is longer.Further, since the depth of water in pond and the limitation of hydrospace, basin test are difficult to carry out
Complicated deep-sea pipeline system model test and the preview of installation exercise process.Having no both at home and abroad at present can be realized to huge
Deep-sea pipeline system carry out the experimental rig of the preview of installation exercise process dynamics and movement simulation in place.For off-shore pipeline
Installation is laid with and operation in place carries out the test of overall process full-scope simulation, dynamic demonstration and measurement, lacks effective test
Means.
Summary of the invention
Based on above-mentioned technical background, the present invention proposes that a kind of submerged pipeline is laid with installation analog detection method, can be realized
To cover deep sea vertical pipe, Hai Guan, cable, umbilical cables, mooring and anchor etc. deep-sea oil gas develop pipeline system installation be laid with and
The test of overall process full-scope simulation, dynamic demonstration and the measurement of operation in place, may be used to determine practical operation committed step, protect
Hinder safety work.Technical solution is as follows:
A kind of submerged pipeline laying installation analog detection method, used simulation experiment system includes: motion bracket, sea
Foreign platform sport simulated system, workboat model system, pipeline model, sea chart model, control system, Test Data Collecting and point
Analysis system, wherein
The motion bracket, including horizontal frame 1 and vertical support column 2, vertical support column 2 and ground are fixed to be connected
It connects, horizontal frame 1 is overlapped on vertical support column 2；Under the operation of control system, horizontal frame 1 can be realized rising and
Decline, and can be realized automatic leveling, analog sea height change；
The ocean platform sport simulated system, including ocean platform motion simulator 3, offshore platform model 4, movement
3 upper end of simulator is fixedly connected with horizontal frame 1, and lower end is connected by a universal head with offshore platform model 4；Offshore platform model
4 lower ends are fixedly connected with pipeline model 7, and under the operation of control system, motion simulator 3 generates position and corner variation, real
Existing multivariant movement simulation, and then the position of offshore platform model 4 and pipeline model 7, corner is caused to change over time, it uses
To simulate the movement in place of ocean platform；
The workboat model system, including model trajectory 5 and work ship model 6, model trajectory 5 is work ship model
6 tracks, work ship model 6 can be moved along model trajectory 5；Model trajectory 5 is fixedly connected on horizontal frame 1,
Simulate the pipe installation track of real work ship 6；The upper end of work ship model 6 is slidably connected with model trajectory 5, tail end and pipe
Line model 7 is connected, and under the operation of control system, work ship model 6 is moved along scheduled track 5, simulated sea bottom pipeline
Laying operation process；
The pipeline model 7, to simulated sea bottom pipeline, it is flat that each upper end of pipeline model 7 is suspended on ocean respectively
The lower end of platform model 4, each lower end are fixed on the different location of sea chart model 8 on ground, and complicated pipe is consequently formed
Line arranges network；
The sea chart model 8, is identified with coordinate, to determine submerged pipeline in the coordinate and orientation in seabed；
The Test Data Collecting and analysis system, including computer and the video camera that different location is arranged in, camera shooting
The simulation pipeline image of machine shooting is admitted to computer, and the numerical morphological of pipeline model is established by computer, simulates true pipeline
Motion morphology.
Analog detection method is as follows:
Step S1, it according to the type of ocean platform, size and shrinkage scale, chooses and the suitable ocean platform mould of manufactured size
Type；
Step S2, it according to the type of workboat, size and shrinkage scale, chooses and the suitable model trajectory of manufactured size and work
Make ship model；
Step S3, adjustment horizontal frame is to proper height, in the fixed offshore platform model in 3 lower end of motion simulator；
Step S4, according to the predetermined laying-out of workboat, in the track mould of the fixed work ship model in horizontal frame lower end
Type；
Step S5, the corresponding work ship model of installation on the track of work ship model；
Step S6, according to depth of water environment and shrinkage scale, the height of offshore platform model lower surface is determined；
Step S7, it adjusts horizontal frame and reaches preset height, horizontal frame automatic leveling is made by control system, adjust
Horizontal frame is kept fixed after flat；
Step S8, according to the subsea environment of destination item and shrinkage scale, sea chart model is made, and is laid on the ground；
Step S9, the corresponding position of sea chart model and offshore platform model is calibrated；
Step S10, it is determined on sea chart model and marks each pipe installation of pipeline model in the link position in seabed；
Step S11, it according to the pipe installation plan of destination item, the first pipeline in laying offshore platform model, utilizes
Guidance equipment draws pipeline from offshore platform model, and guides from top to bottom, until pipeline lower end reaches sea chart model
Predetermined link position is fixed with sea chart model predeterminated position；
Step S12, during pipe installation, if there is not pipeline wrapping phenomena, plan progress is laid with by former
It is laid with, if there is pipeline wrapping phenomena, then records and modify former laying plan；
Step S13, it after the pipe installation in offshore platform model 4, using image capturing system, checks between pipeline
Spacing whether meet engine request, if being unsatisfactory for, record and modify former laying plan；
Step S14, work ship model is moved to pre- according to pipe installation plan using work ship model pipeline installation
If position, pipeline model is drawn from work ship model using guidance equipment, and guides from top to bottom, until pipeline lower end is arrived
Up to the predetermined link position of sea chart model, it is fixed with sea chart model predeterminated position；
Step S15, work ship model is moved along predetermined trajectory, utilizes the motion conditions of camera record pipeline model；
Step S16, step S14 and step S15 is repeated, using other work ship model pipeline installations, if do not occurred
Pipeline wrapping phenomena is then laid with by former laying plan, if there is pipeline wrapping phenomena, is then recorded and is modified former be laid with and count
It draws；
Step S17, according to platform exercise data, the kinematic parameter of motion simulator is set, utilizes camera record pipeline
The motion process of model 7 obtains the exercise data of simulation pipeline；
Step S18, the numerical morphological of pipeline model is established after acquiring via data in a computer, and by pre- in program
If simulation similarity relation, establish the true pipeline motion morphology of simulation；
Step S19, pass through the installation laying and the overall process full-scope simulation test of operation in place, dynamic above to pipeline
Demonstration and measurement, and then determine practical operation committed step, ensure safety work.
The present invention has the positive effect that due to taking above technical scheme:
(1) present invention is able to carry out complicated off-shore pipeline installation process preview, and military service operating condition and ultimate load are made
With lower exercise test, without carrying out test under water environment, so that operation wants simple and easy, testing expenses greatly reduce；
(2) present invention can pass through the altitude simulation different water depth of adjusting motion bracket；
(3) ocean platform sport simulated system of the invention can simulate the multifreedom motion response of ocean platform, sea
Foreign platform model can cover a variety of floating structures such as tension leg platform (TLP), Spar platform, semisubmersible platform, FPSO, offshore wind turbine
Pattern；
(4) workboat model system of the invention can set a variety of workboat types and size, set a variety of workboats
Model laying-out covers a variety of deep-sea pipe installation modes；
(5) sea chart model of the invention is arranged according to the subsea environment and shrinkage scale of destination item, has on sea chart accurate
Positioning coordinate, can really position the paving location of deep-sea pipeline, and operation is simple and feasible；
(6) present invention captures the motion state of deep-sea pipeline using high-speed camera, after acquiring via data in computer
The numerical morphological of pipeline model is established, and by preset simulation similarity relation in program, establishes the true pipeline movement of simulation
Form realizes deep-sea pipeline installation process Synchronization Analysis and simulation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pilot system of the present invention
Fig. 2 is that offshore platform model, work ship model with pipeline model connect detail drawing
Fig. 3 is high-speed camera layout drawing
The explanation of figure label: 1- horizontal frame；2- vertical support column；3- motion simulator；4- offshore platform model；
5- model trajectory；6- work ship model；7- pipeline model；8- sea chart model
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
The invention proposes a kind of deep-sea pipelines to move simulation experiment system, and as depicted in figs. 1 and 2, which includes: fortune
Dynamic bracket, ocean platform sport simulated system, work ship model, pipeline model, sea chart model, control system, test data are adopted
Collection and analysis system.
The motion bracket, including 1, four vertical support column 2 of horizontal frame and relevant control attachment.Four vertical
Support post 2 is fixedly connected with ground, and horizontal frame 1 is overlapped on four vertical support columns 2.In the behaviour of related Control System
Under work, horizontal frame 1 can be realized raising and lowering, and can be realized automatic leveling, analog sea height change, and then simulate
Different depth of water environment.
The ocean platform sport simulated system, including ocean platform motion simulator 3, offshore platform model 4 and phase
Close control system.3 upper end of motion simulator is fixedly connected with horizontal frame 1, and lower end and offshore platform model 4 are connected by Universal-head
It connects.4 lower end of offshore platform model is fixedly connected with pipeline model 7.Under the operation of related Control System, motion simulator 3 is produced
Raw position and corner variation realize multivariant movement simulation, and then cause the position of offshore platform model 4 and pipeline model 7
Set, corner changes over time, to simulate the movement in place of ocean platform 4.
The work ship model, including model trajectory 5, work ship model 6 and relevant control attachment.Model trajectory 5 is
The tracks of work ship model 6, work ship model 6 can be moved along model trajectory 5.Model trajectory 5 is fixedly connected on water
On flat frame 1, and the position that can be installed on horizontal frame according to different project demand varied orbits 5, simulate practical work
Make the pipe installation track of ship 6.The upper end of work ship model 6 is slidably connected with model trajectory 5, and tail end and pipeline model 7 are logical
Cross pulley connection.Under the operation of related Control System, work ship model 6 is moved along scheduled track 5, simulates deep-sea pipeline
Laying operation process.
The pipeline model 7 is made of light materials such as cotton thread, polyester, to simulate deep sea vertical pipe, cable, navel
The deep-seas pipelines such as band cable, mooring and anchor.The upper end of pipeline model 7 is suspended on lower end and the work of offshore platform model 4 respectively
The tail end of ship model 6, lower end are fixed on the sea chart model 8 on ground, and complicated pipeline arrangement network is consequently formed.
The sea chart model 8 reflects the seabed situation of practical oil-gas field development project strictly according to the facts, and effect is determining deep water
Coordinate and orientation of the pipeline in seabed.Sea chart model 8 is corresponding with the position of offshore platform model 4, sea chart size and mould
Quasi- ocean depth is corresponding.
The Test Data Collecting and analysis system installs high-speed camera in experimental rig predeterminated position, such as Fig. 3 institute
Show.Using video image capture simulation pipeline image, by software identify image obtain simulation pipeline exercise data (such as with
The physical quantitys such as time corresponding positional relationship, speed).The numerical value of pipeline model is established after finally acquiring via data in computer
Form, and by preset simulation similarity relation in program, establish the true pipeline motion morphology of simulation.
System building and test process are illustrated below.
Step S1, it according to the type, size and shrinkage scale of the ocean platform of destination item, chooses and manufactured size is suitable
Offshore platform model 4, offshore platform model 4 here can be tension leg platform (TLP), Spar platform, semisubmersible platform, FPSO, sea
A variety of floating structure patterns such as upper fan；
Step S2, it according to the type, size and shrinkage scale of the workboat of destination item, chooses and the suitable rail of manufactured size
Road model 5 and work ship model 6, work ship model 6 here can be the workboat type suitable for various pipe laying modes；
Step S3, horizontal frame 1 is lowered to proper height (more slightly higher than the height of people), is installed in 3 lower end of motion simulator
Offshore platform model 4；
Step S4, according to the predetermined laying-out of the workboat of destination item, in 1 lower end installment work ship model of horizontal frame
The track 5 of type 6；
Step S5, the corresponding work ship model 6 of installation on the track 5 of work ship model 6；
Step S6, according to the depth of water environment and shrinkage scale of destination item, the height of 4 lower surface of offshore platform model is determined；
Step S7, it under the control of relevant control attachment, adjusts horizontal frame 1 and reaches preset height, be by control
System is so that 1 automatic leveling of horizontal frame, horizontal frame is kept fixed after leveling；
Step S8, according to the subsea environment of destination item and shrinkage scale, sea chart model 8 is made, and is laid on the ground；
Step S9, the corresponding position of sea chart model 8 and offshore platform model 4 is calibrated；
Step S10, the link position for being determined on sea chart model 8 and pipeline model 7 being marked to be laid on seabed；
Step S11, it according to the pipe installation plan of destination item, the first pipeline in laying offshore platform model 4, utilizes
Guidance equipment draws pipeline model 7 from offshore platform model 4, and guides from top to bottom, until pipeline lower end reaches sea chart
The predetermined link position of model 8 is fixed with 8 predeterminated position of sea chart model；
Step S12, step S10 is repeated, other pipelines being laid in offshore platform model 4 twine if there is not pipeline
It around phenomenon, is then laid with by former laying plan, if there is pipeline wrapping phenomena, then records and modify former laying plan；
Step S13, it after the pipe installation in offshore platform model 4, using image capturing system, checks between pipeline
Spacing whether meet engine request, if being unsatisfactory for, record and modify former laying plan；
Step S14, according to the pipe installation plan of destination item, using 6 pipeline installation of work ship model.By work ship model
Type 6 is moved to predeterminated position, is drawn pipeline model 7 from work ship model 6 using guidance equipment, and guide from top to bottom,
Until the predetermined link position of pipeline lower end arrival sea chart model 8, it is fixed with 8 predeterminated position of sea chart model；
Step S15, under the control of relevant control attachment, work ship model 6 is moved along predetermined trajectory 5, utilizes high speed
The motion conditions of camera record pipeline model；
Step S16, step S13 and step S14 is repeated, using other 6 pipeline installations of work ship model, if do not occurred
Pipeline wrapping phenomena is then laid with by former laying plan, if there is pipeline wrapping phenomena, is then recorded and is modified former be laid with and count
It draws；
Step S17, according to the platform exercise data of destination item, the kinematic parameter of motion simulator 3 is set, utilizes high speed
The motion process of camera record pipeline model 7 identifies that image obtains the exercise data of simulation pipeline by third party software
(positional relationship such as corresponding with the time, speed physical quantity)；
Step S18, the numerical morphological of pipeline model 7 is established after acquiring via data in computer, and by pre- in program
If simulation similarity relation, establish the true pipeline motion morphology of simulation.
Step S19, pass through the installation laying and the overall process full-scope simulation test of operation in place, dynamic above to pipeline
Demonstration and measurement, and then determine practical operation committed step, ensure safety work.
The present invention is able to carry out complicated off-shore pipeline installation process preview, military service operating condition and ultimate load effect
Lower exercise test, without carrying out test under water environment, so that operation wants simple and easy, testing expenses greatly reduce；It can lead to
Overregulate the altitude simulation different water depth of motion bracket；Ocean platform sport simulated system can simulate the mostly free of ocean platform
Motor imagination is spent, it is a variety of that offshore platform model covers tension leg platform (TLP), Spar platform, semisubmersible platform, FPSO, offshore wind turbine etc.
Floating structure pattern；Workboat model system can set a variety of workboat types and size, can set a variety of work ship models
Type laying-out, therefore cover a variety of deep-sea pipe installation modes；Sea chart model is according to the subsea environment and contracting of destination item
It is arranged than ruler, can really positions the paving location of deep-sea pipeline, and operation is simple and feasible；Pipeline shadow is simulated by picture catching
As system, deep-sea pipeline installation process Synchronization Analysis and simulation can be realized.
Although above in conjunction with figure, invention has been described, and the invention is not limited to above-mentioned specific embodiment parties
Formula, the above mentioned embodiment is only schematical, rather than restrictive, and those skilled in the art are in this hair
Under bright enlightenment, without deviating from the spirit of the invention, many variations can also be made, these belong to guarantor of the invention
Within shield.
Claims (1)
1. a kind of submerged pipeline is laid with installation analog detection method, used simulation experiment system includes: motion bracket, ocean
Platform sport simulated system, workboat model system, pipeline model, sea chart model, control system, Test Data Collecting and analysis
System, wherein
The motion bracket, including horizontal frame (1) and vertical support column (2), vertical support column (2) are fixed with ground
Connection, horizontal frame (1) are overlapped on vertical support column (2)；Under the operation of control system, horizontal frame (1) can be real
Existing raising and lowering, and can be realized automatic leveling, analog sea height change；
The ocean platform sport simulated system, including ocean platform motion simulator (3), offshore platform model (4), movement
Simulator (3) upper end is fixedly connected with horizontal frame (1), and lower end is connected by a universal head with offshore platform model (4)；Ocean is flat
Platform model (4) lower end is fixedly connected with pipeline model (7), under the operation of control system, motion simulator (3) generate position and
Multivariant movement simulation is realized in corner variation, and then is caused the position of offshore platform model (4) and pipeline model (7), turned
Angle changes over time, to simulate the movement in place of ocean platform；
The workboat model system, including model trajectory (5) and work ship model (6), model trajectory (5) is work ship model
The tracks of type (6), work ship model (6) can be moved along model trajectory (5)；Model trajectory (5) is fixedly connected on water
On flat frame (1), the pipe installation track of real work ship (6) is simulated；The upper end and model trajectory (5) of work ship model (6)
It is slidably connected, tail end is connected with pipeline model (7), under the operation of control system, works ship model (6) along scheduled
Track (5) movement, the laying operation process of simulated sea bottom pipeline；
The pipeline model (7), to simulated sea bottom pipeline, it is flat that each upper end of pipeline model (7) is suspended on ocean respectively
The lower end of platform model (4) and the tail end of work ship model (6), each lower end is fixed on the different positions of the sea chart model (8) on ground
It sets, complicated pipeline arrangement network is consequently formed；
The sea chart model (8), is identified with coordinate, to determine submerged pipeline in the coordinate and orientation in seabed；
The Test Data Collecting and analysis system, including computer and the video camera that different location is arranged in, video camera is clapped
The simulation pipeline image taken the photograph is admitted to computer, and the numerical morphological of pipeline model is established by computer, simulates true pipeline movement
Form；
Analog detection method is as follows:
Step S1, it according to the type of ocean platform, size and shrinkage scale, chooses and the suitable offshore platform model of manufactured size；
Step S2, it according to the type of workboat, size and shrinkage scale, chooses and the suitable model trajectory of manufactured size and workboat
Model；
Step S3, adjustment horizontal frame is to proper height, in the fixed offshore platform model in motion simulator lower end；
Step S4, according to the predetermined laying-out of workboat, in the model trajectory of the fixed work ship model in horizontal frame lower end；
Step S5, the corresponding work ship model of installation on the track of work ship model；
Step S6, according to depth of water environment and shrinkage scale, the height of offshore platform model lower surface is determined；
Step S7, it adjusts horizontal frame and reaches preset height, horizontal frame automatic leveling is made by control system, after leveling
Horizontal frame is kept fixed；
Step S8, according to the subsea environment of destination item and shrinkage scale, sea chart model is made, and is laid on the ground；
Step S9, the corresponding position of sea chart model and offshore platform model is calibrated；
Step S10, it is determined on sea chart model and marks each pipe installation of pipeline model in the link position in seabed；
Step S11, according to the pipe installation plan of destination item, the first pipeline in laying offshore platform model, guidance is utilized
Equipment draws pipeline from offshore platform model, and guides from top to bottom, until pipeline lower end reaches the predetermined of sea chart model
Link position is fixed with sea chart model predeterminated position；
Step S12, it during pipe installation, if there is not pipeline wrapping phenomena, is laid with by former laying plan,
If there is pipeline wrapping phenomena, then records and modify former laying plan；
Step S13, after the pipe installation in offshore platform model, using image capturing system, between checking between pipeline
Away from whether engine request is met, if being unsatisfactory for, records and modify former laying plan；
Step S14, according to pipe installation plan, using work ship model pipeline installation, work ship model is moved to default position
It sets, is drawn pipeline model from work ship model using guidance equipment, and guide from top to bottom, until pipeline lower end reaches sea
The predetermined link position of graph model is fixed with sea chart model predeterminated position；
Step S15, work ship model is moved along predetermined trajectory, utilizes the motion conditions of camera record pipeline model；
Step S16, step S14 and step S15 is repeated, using other work ship model pipeline installations, if there is not pipeline
Wrapping phenomena is then laid with by former laying plan, if there is pipeline wrapping phenomena, is then recorded and is modified former laying plan；
Step S17, according to platform exercise data, the kinematic parameter of motion simulator is set, utilizes camera record pipeline model 7
Motion process, obtain simulation pipeline exercise data；
Step S18, the numerical morphological of pipeline model is established after acquiring via data in a computer, and by preset in program
Similarity relation is simulated, the true pipeline motion morphology of simulation is established；
Step S19, pass through the installation laying and the overall process full-scope simulation test of operation in place, dynamic demonstration above to pipeline
And measurement, and then determine practical operation committed step, ensure safety work.
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| CN110912031B (en) * | 2019-11-22 | 2021-12-24 | 上海电力大学 | Simulation deployment device for submarine cable on construction site |
| CN111932978B (en) * | 2020-08-19 | 2021-12-14 | 武汉交通职业学院 | Hanging type test platform |
| CN113516883B (en) * | 2021-07-09 | 2022-07-05 | 中国人民解放军海军工程大学 | Submarine cable route detection simulation training system and method |
| CN113761639B (en) * | 2021-10-12 | 2024-03-08 | 中建安装集团有限公司 | River bottom pipeline laying stone filling and leveling simulation system |
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