CN212134029U - Submarine pipeline lays model device under surge environment - Google Patents
Submarine pipeline lays model device under surge environment Download PDFInfo
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- CN212134029U CN212134029U CN201921698660.6U CN201921698660U CN212134029U CN 212134029 U CN212134029 U CN 212134029U CN 201921698660 U CN201921698660 U CN 201921698660U CN 212134029 U CN212134029 U CN 212134029U
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Abstract
The utility model discloses a submarine pipeline laying model device under surge environment, which comprises a test platform, a test device, a motion measurement system and a stress-strain test system, wherein the test platform comprises a test water pool and a simulation environment, and the simulation environment is contained in the test water pool; the test device comprises a pipe laying model and a flow and surge driving system, wherein the pipe laying model is accommodated in a simulation environment, and the flow and surge driving system is arranged in the test water pool and is positioned on one side of the pipe laying model; the motion measurement system is used for acquiring motion states of the pipe laying model and the simulation environment in real time; the stress-strain test system is connected with the pipe laying model so as to collect stress-strain data of the pipe laying model in real time and perform data analysis and processing. The utility model discloses a submarine pipeline lays model device can effectively accomplish submarine pipeline and lays the true simulation of overall process, lays the test method that provides the system for the submarine pipeline under the environment of surging.
Description
Technical Field
The utility model relates to an ocean oil engineering technical field, particularly, in particular to submarine pipeline lays model device under surge environment.
Background
Subsea pipelines are an important component in marine oil and gas field development projects. Influenced by complex sea conditions such as surge and the like, the laying operation under the complex environment of the submarine pipeline is always a great problem in offshore oil and gas field development engineering.
At present, how to improve the laying operation efficiency of submarine pipelines under severe sea conditions such as surge and the like, reduce engineering risks, reduce standby at sea of pipe laying ships, save engineering cost and become a focus of attention in the offshore oil and gas engineering industry and the academic community at home and abroad. Some researches and experimental simulations have been carried out abroad on the simulation of the interaction between the pipe form and the pipe soil in the pipe laying state, but the research result of simultaneously carrying out the simulation on the interaction between the pipe laying form and the pipe soil is not found to be published; related research is not available in China.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. In view of this, the utility model discloses need to provide a true simulation that can effectively accomplish submarine pipeline and lay the overall process, submarine pipeline lays model device under the environment of surging for the submarine pipeline lays the test method who provides the system under the environment of surging.
The utility model provides a submarine pipeline lays model device under surge environment, include: the device comprises a test platform, a test device, a motion measurement system and a stress-strain test system, wherein the test platform comprises a test water tank and a simulation environment, and the simulation environment is contained in the test water tank; the test device comprises a pipe laying model and a flow and surge driving system, wherein the pipe laying model is contained in the simulation environment, and the flow and surge driving system is arranged in the test water pool and is positioned on one side of the pipe laying model; the motion measurement system is used for acquiring respective motion states of the pipe laying model and the simulation environment in real time; the stress-strain test system is connected with the pipe laying model so as to acquire the stress-strain data of the pipe laying model in real time and perform data analysis and processing.
According to an embodiment of the present invention, the simulated environment comprises a seawater environment contained in the test pool and simulated soil located below the seawater environment.
According to the utility model discloses an embodiment, the pipelaying model is including experimental pipelaying ship, pipelaying operating system and simulation pipeline, experimental pipelaying ship is located make the upper reaches of flowing and surge actuating system, the upper end of simulation pipeline with establish experimental pipelaying stern portion the pipelaying operating system connects, the lower extreme of simulation pipeline passes parallel static is in behind the sea water environment on the simulation soil.
According to the utility model discloses an embodiment, the one end of pipe laying operation system with experimental pipe laying ship fixed connection, the other end with the simulation pipeline props up admittedly and connects.
According to the utility model discloses an embodiment, motion measurement system is non-contact motion gesture measurement system, and is through collecting light, signal of telecommunication, right the sea water environment the motion of experimental pipe laying ship the motion response of simulation pipeline and the simulation pipeline with relative motion between the simulation soil carries out real-time data acquisition.
According to the utility model discloses an embodiment, stress-strain test system includes a plurality of test strips and wireless data acquisition center, and is a plurality of the test strip is laid respectively in the upper end of simulation pipeline the mud end of simulation pipeline and the inflection point department of simulation pipeline, wireless data acquisition center with the test strip passes through data signal connection, and right the stress-strain data that the test strip gathered in real time carry out analysis processes.
According to the utility model discloses an embodiment, the test strip with wireless data acquisition center passes through optical signal data transmission.
The utility model discloses a submarine pipeline lays model device under surge environment, it has sea water environment and simulation soil to add in experimental pond, experimental pipe laying ship floats on marine environment, the simulation pipeline is established on experimental pipe laying ship through the pipe laying operation system, the simulation pipeline is static on arranging simulation soil in, the simulation pipeline posts the test piece that a plurality of spaced apart settings, with the marine environment that surges simultaneously, submarine pipeline form under the pipe laying state, the pipe-soil interaction between simulation pipeline and the simulation soil, realize the true simulation of submarine pipeline pipe laying overall process, when using, open and make a class and surge actuating system, with the influence of simulated pipeline laying of the motion of swabbing and rolling motion of simulation experiment pipe laying ship, and through the rivers of non-contact motion attitude measurement system to sea water environment, the motion of experimental pipe laying ship, the motion response of simulation pipeline, And relative motion between the simulated pipeline and the simulated soil is subjected to real-time data acquisition, and then the stress-strain data of the simulated pipeline is acquired and analyzed and processed by the stress-strain testing system, so that the system test method is provided for laying the marine pipe in the surge environment.
Drawings
Fig. 1 is a schematic structural diagram of a submarine pipeline laying model device in a surge environment according to the utility model.
Fig. 2 is a flow chart of a testing method of the submarine pipeline laying model device in the surge environment according to the utility model.
Reference numerals: 1-test pool; 2-flow making and surge driving system; 3-a motion measurement system; 4-a stress-strain test system; 5-seawater environment; 6-simulated soil; 7-test pipe laying ship; 8-a pipe-laying operation system; 9-simulating a pipeline; 41-test piece; 42-wireless data collection center.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1, a submarine pipeline laying model device in a surge environment includes: the system comprises a test platform, a test device, a motion measurement system 3 and a stress-strain test system 4, wherein the test platform comprises a test water tank 1 and a simulation environment, and the simulation environment is contained in the test water tank 1; the test device comprises a pipe laying model and a flow and surge driving system 2, the pipe laying model is contained in a simulation environment, the flow and surge driving system 2 is arranged in the test water pool 1 and is positioned at one side of the pipe laying model, and it is understood that the flow and surge driving system 2 comprises a flow making system and a surge loading driving system which both adopt the prior art and are not described again; the motion measurement system 3 is used for acquiring motion states of the pipe laying model and the simulation environment in real time; the stress-strain test system 4 is connected with the pipe laying model so as to collect stress-strain data of the pipe laying model in real time and perform data analysis and processing.
The utility model discloses a submarine pipeline lays model device under surge environment, it has sea water environment 5 and simulation soil 6 to add in experimental pond 1, experimental pipelaying ship 7 floats on marine environment 5, simulation pipeline 9 is established on experimental pipelaying ship 7 through pipelaying operating system 8, simulation pipeline 9 is quiet to be arranged in on simulation soil 6, simulation pipeline 9 is last to be pasted a plurality of spaced apart test pieces 41 that set up, with the marine environment that surges simultaneously, submarine pipeline form under the pipelaying state, the pipe soil interact between simulation pipeline 9 and the simulation soil 6, realize the true simulation of submarine pipeline pipelaying overall process, when using, open and make class and surge actuating system 2, with the influence of the motion of swaying and rolling motion of simulation test pipelaying ship 7 to simulation pipeline 9 and lay, and through the rivers of non-contact motion attitude measurement system to sea water environment 5, The motion of the test pipelaying ship 7, the motion response of the simulation pipeline 9 and the relative motion between the simulation pipeline 9 and the simulation soil 6 are subjected to real-time data acquisition, and then the stress-strain test system 4 is used for acquiring, analyzing and processing the stress-strain data of the simulation pipeline 9, so that a systematic test method is provided for the laying of the marine pipe in the surge environment.
As shown in fig. 1, the simulated environment includes a seawater environment 5 accommodated in the test basin 1 and simulated soil 6 located below the seawater environment 5; the pipe laying model comprises a test pipe laying ship 7, a pipe laying operation system 8 and a simulation pipeline 9, wherein the test pipe laying ship 7 is positioned at the upstream of the flow and surge driving system 2, the upper end of the simulation pipeline 9 is connected with the pipe laying operation system 8 arranged at the tail part of the test pipe laying ship 7, the lower end of the simulation pipeline 9 passes through a seawater environment 5 and then is parallelly and statically arranged on simulation soil 6, it needs to be understood that the seawater environment 5, the simulation soil 6, the test pipe laying ship 7, the pipe laying operation system 8 and the simulation pipeline 9 are matched with the flow and surge driving system 2 to simultaneously simulate the surge marine environment, the form of the simulation pipeline 9 in a pipe laying state and the interaction of pipe soil between the simulation pipeline 9 and the simulation soil 6, so as to realize the real simulation of the whole process of submarine pipe laying of the submarine pipeline, one end of the pipe laying operation system 8 is fixedly connected with the test pipe laying 7, the other end is fixedly connected with the simulation pipeline 9, wherein the clamped connection is capable of transmitting transmission forces and bending moments experienced by the simulated pipeline 9.
As shown in fig. 1, the motion measurement system 3 is a non-contact motion attitude measurement system, and performs real-time data acquisition on water flow of the seawater environment 5, motion of the test pipe-laying vessel 7, motion response of the simulation pipeline 9, and relative motion between the simulation pipeline 9 and the simulation soil 6 by collecting light and electric signals, and it should be understood that the non-contact motion attitude measurement system is used for measuring key parameters such as motion response of the test pipe-laying vessel 7, instantaneous attitude of the seabed simulation pipeline 9, and depth of penetration of the simulation pipeline 9, and provides a systematic test method for marine pipe laying in a surge environment.
As shown in fig. 1, the stress-strain testing system 4 includes a plurality of test strips 41 and a wireless data collection center 42, the plurality of test strips 41 are respectively disposed at the upper end of the simulation pipeline 9, the mud end of the simulation pipeline 9 and the inflection point of the simulation pipeline 9, the wireless data collection center 42 is connected to the test strips 41 through data signals, and analyzes and processes the stress-strain data collected by the test strips 741 in real time, wherein the test strips 41 and the wireless data collection center 42 transmit data through optical fiber signals in order to ensure the stability and accuracy of the transmission of the stress-strain data.
As shown in fig. 1 and fig. 2, the operation steps of the testing method of the submarine pipeline laying model device in the surge environment of the present invention are as follows:
s100, adding simulated soil 6 and a seawater environment 5 into a test water pool 1, and placing a test pipe laying ship 7, a pipe laying operation system 8 and a simulated pipeline 9 into the test water pool 1 after the seawater environment 5 is stabilized, wherein the pipe laying operation system 8 connects the test pipe laying ship 7 and the simulated pipeline 9 together, is fixedly connected with the test pipe laying ship 7 and is fixedly connected with the simulated pipeline 9;
s200, arranging a flow making and surge driving system 2 at the downstream of a test pipe laying ship 7 in the test water pool 1;
s300, starting the flow making and surge driving system 2 to form a circulating simulation marine environment and a marine surge environment;
s400, adjusting the pipe laying model to enable the overall operation response of the test pipe laying ship 7, the pipe laying operation system 8 and the simulation pipeline 9 to gradually trend to a regular pattern;
s500, starting the non-contact type movement attitude measurement system 3, and carrying out real-time data acquisition on water flow of the seawater environment 5, movement of the test pipe laying ship 7, movement response of the simulation pipeline 9 and relative movement between the simulation pipeline 9 and the simulation soil 6;
s600, starting a stress-strain testing system 4, and collecting stress-strain data of the simulated pipeline 9 in real time;
s700, completing a submarine pipeline laying model experiment in a surge environment and carrying out data arrangement and analysis.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (7)
1. A submarine pipeline lays model device under surge environment, includes: the device comprises a test platform, a test device, a motion measurement system and a stress-strain test system, and is characterized in that the test platform comprises a test water tank and a simulation environment, and the simulation environment is contained in the test water tank; the test device comprises a pipe laying model and a flow and surge driving system, wherein the pipe laying model is contained in the simulation environment, and the flow and surge driving system is arranged in the test water pool and is positioned on one side of the pipe laying model; the motion measurement system is used for acquiring respective motion states of the pipe laying model and the simulation environment in real time; the stress-strain test system is connected with the pipe laying model so as to acquire the stress-strain data of the pipe laying model in real time and perform data analysis and processing.
2. The apparatus of claim 1, wherein the simulated environment comprises a seawater environment contained in the test pond and simulated soil under the seawater environment.
3. The device of claim 2, wherein the pipe laying model comprises a test pipe laying ship, a pipe laying operation system and a simulation pipeline, the test pipe laying ship is located at the upstream of the current generation and surge driving system, the upper end of the simulation pipeline is connected with the pipe laying operation system arranged at the tail of the test pipe laying ship, and the lower end of the simulation pipeline passes through the seawater environment and then stands on the simulation soil in parallel.
4. The device of claim 3, wherein the pipelaying operation system is fixedly connected to the test pipelaying vessel at one end and to the simulated pipeline at the other end.
5. The device of claim 3, wherein the motion measurement system is a non-contact motion attitude measurement system, and the real-time data acquisition is performed on the water flow of the seawater environment, the motion of the test pipelaying vessel, the motion response of the simulated pipeline, and the relative motion between the simulated pipeline and the simulated soil by acquiring light and electric signals.
6. The submarine pipeline laying model device according to claim 3, wherein the stress-strain test system comprises a plurality of test strips and a wireless data acquisition center, the plurality of test strips are respectively arranged at the upper end of the simulation pipeline, the mud end of the simulation pipeline and the recurved bend point of the simulation pipeline, and the wireless data acquisition center is connected with the test strips through data signals and analyzes and processes the stress-strain data acquired by the test strips in real time.
7. The submarine pipeline laying model device according to claim 6, wherein the test strip and the wireless data acquisition center are in data transmission via optical fiber signals.
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| CN201921698660.6U CN212134029U (en) | 2019-10-11 | 2019-10-11 | Submarine pipeline lays model device under surge environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115171506A (en) * | 2022-07-04 | 2022-10-11 | 中山大学 | Submarine pipeline laying residual deformation simulation device and method |
| CN117074068A (en) * | 2023-10-12 | 2023-11-17 | 中国电力工程顾问集团中南电力设计院有限公司 | Submarine cable rush repair, salvage and playback process test device and method |
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2019
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115171506A (en) * | 2022-07-04 | 2022-10-11 | 中山大学 | Submarine pipeline laying residual deformation simulation device and method |
| CN115171506B (en) * | 2022-07-04 | 2024-05-24 | 中山大学 | Submarine pipeline laying residual deformation simulation device and method |
| CN117074068A (en) * | 2023-10-12 | 2023-11-17 | 中国电力工程顾问集团中南电力设计院有限公司 | Submarine cable rush repair, salvage and playback process test device and method |
| CN117074068B (en) * | 2023-10-12 | 2024-01-09 | 中国电力工程顾问集团中南电力设计院有限公司 | Submarine cable rush repair, salvage and playback process test device and method |
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