CN114992523A - System and method for monitoring pipeline running state - Google Patents
System and method for monitoring pipeline running state Download PDFInfo
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- CN114992523A CN114992523A CN202210637666.2A CN202210637666A CN114992523A CN 114992523 A CN114992523 A CN 114992523A CN 202210637666 A CN202210637666 A CN 202210637666A CN 114992523 A CN114992523 A CN 114992523A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17D5/00—Protection or supervision of installations
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The application discloses a system and a method for monitoring a pipeline running state. The system comprises: the mobile monitoring device is configured to acquire real-time data of target parameters corresponding to a target position; the display device is connected with the movable monitoring device through a cable and used for displaying the real-time data and sending the real-time data to the analysis device; an analysis device connected to the display device by a cable, configured to: acquiring real-time data of target parameters corresponding to a target position; determining the current pipeline running state according to the real-time data; and sending an alarm signal under the condition that the current pipeline running state is abnormal. This application is gathered a plurality of target parameters of pipeline through portable monitoring device, satisfies the demand that carries out real-time supervision to current pipeline running state, improves the reliability of pipeline running state monitoring.
Description
Technical Field
The application relates to the technical field of pipeline monitoring, in particular to a system and a method for monitoring a pipeline running state.
Background
The pipeline is a channel for injecting and extracting natural gas of the underground injection and production well, and natural gas fluid in the shaft is in an unstable flowing state under the conditions of forced extraction and forced injection and multi-cycle operation, so that the stress state of the pipe column is obviously influenced. Under the condition that two ends of the pipeline are fixed, the pipeline is easy to deform under the action of comprehensive external force to form a bending state. Meanwhile, along with the increase of the working life, the strength of the injection and production pipe is reduced, and the risk of the failure of the pipe column can be obviously improved. The presence of these problems results in a serious safety hazard for the pipeline. In the prior art, a ground operator cannot determine the specific running state and the underground real condition of a pipe column, cannot monitor the stress state of a gas storage pipeline in real time, and mainly depends on a theoretical formula to calculate, so that a large error exists between the stress state and the actual condition.
Disclosure of Invention
The embodiment of the application aims to provide a system and a method for monitoring a pipeline running state, which are used for solving the problems that the pipeline running state is mainly calculated by a formula and cannot be monitored in real time in the prior art.
To achieve the above object, a first aspect of the present application provides a system for monitoring an operating state of a pipeline, the system comprising:
the mobile monitoring device is configured to acquire real-time data of target parameters corresponding to a target position;
the display device is connected with the movable monitoring device through a cable and used for displaying the real-time data and sending the real-time data to the analysis device;
an analysis device connected with the display device by a cable, configured to:
acquiring real-time data of target parameters corresponding to a target position;
determining the current pipeline running state according to the real-time data;
and sending an alarm signal under the condition that the current pipeline running state is abnormal.
In an embodiment of the present application, a mobile monitoring device includes:
the displacement sensor is used for acquiring displacement data of a target position;
the pressure sensor is used for acquiring pressure data of a target position;
the temperature sensor is used for acquiring temperature data of a target position;
the ultrasonic wall thickness detector is used for acquiring the thickness data of the pipeline wall at the target position;
the flowmeter is used for acquiring flow data of a target position;
the water level monitor is used for acquiring water level data of a target position;
wherein, the displacement sensor, the pressure sensor, the temperature sensor, the ultrasonic wall thickness detector, the flowmeter and the water level monitor are connected by cables.
In an embodiment of the present application, the mobile monitoring device further comprises:
the protective shell has a damping function and is used for protecting the displacement sensor, the pressure sensor, the temperature sensor, the ultrasonic wall thickness detector, the flowmeter and the water level monitor.
In an embodiment of the present application, the cable includes a plurality of transmission lines, each transmission line corresponding to a channel, each transmission line for transmitting real-time data of a target parameter corresponding to a current channel.
In the embodiment of the application, the real-time data of each target parameter is transmitted through two channels.
In the embodiment of the present application, the method further includes:
the cable storage device is arranged on the wellhead and used for storing cables.
In an embodiment of the application, the analysis device is further configured to:
and predicting the pipeline running state after the preset injection-production period according to the real-time data.
A second aspect of the embodiments of the present application provides a method for monitoring an operating state of a pipeline, the method including:
acquiring real-time data of target parameters corresponding to a target position;
determining the current pipeline running state according to the real-time data;
and sending an alarm signal under the condition that the current pipeline running state is abnormal.
In an embodiment of the present application, determining the current operating state of the pipeline according to the real-time data includes:
acquiring initial thickness data of a pipe wall of a pipe;
obtaining thickness data of a pipeline wall at a target position;
determining a first difference between the initial thickness data and the thickness data of the pipe wall at the target location;
determining that the current pipeline running state is abnormal under the condition that the first difference value exceeds a first threshold value;
and under the condition that the first difference value is smaller than a first threshold value, determining that the current pipeline running state is normal.
In the embodiment of the present application, determining the current pipeline operating state according to the real-time data includes:
acquiring flow data of a wellhead;
acquiring flow data of a target position;
determining a second difference value of the flow data of the wellhead and the flow data of the target position;
determining that the current pipeline running state is abnormal under the condition that the second difference value exceeds a second threshold value;
and under the condition that the second difference value is smaller than a second threshold value, determining that the current pipeline running state is normal.
In the embodiment of the present application, determining the current pipeline operating state according to the real-time data includes:
acquiring water level data of a target position;
acquiring flow data of a wellhead;
and determining the current pipeline running state according to the water level data and the flow data of the wellhead.
In the embodiment of the present application, the method further includes:
and predicting the pipeline running state after the preset injection-production period according to the real-time data.
Through the technical scheme, the movable monitoring device collects the real-time data corresponding to the target position and transmits the real-time data to the display device, the display device transmits the real-time data to the analysis device, and the analysis device analyzes and processes the received real-time data, so that the current pipeline running state is determined, and the pipeline running state after the preset injection and production period is predicted. The deformation condition of pipeline can be judged in real-time data, analysis that this application can acquire a plurality of positions of pipeline through portable monitoring device, and the condition of in time mastering the pipeline running state to the condition of safety problem appears in the reduction.
Additional features and advantages of embodiments of the present application will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the detailed description serve to explain the embodiments of the application and not to limit the embodiments of the application. In the drawings:
FIG. 1 schematically illustrates a schematic structural diagram of a system for monitoring an operational status of a pipeline according to an embodiment of the present application;
FIG. 2 schematically illustrates a schematic structural diagram of a system for monitoring the operational status of a pipeline, according to another embodiment of the present application;
fig. 3 schematically illustrates a flow chart of a method for monitoring an operational status of a pipeline according to an embodiment of the present application.
Description of the reference numerals
1 casing pipe and 2 pipeline
3 displacement sensor 4 pressure sensor
5 temperature sensor 6 ultrasonic wall thickness detector
7 flowmeter 8 water level monitor
9 protective housing 10 cable
11 cable storage device 110 movable monitoring device
120 display device 130 analysis device
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the specific embodiments described herein are only used for illustrating and explaining the embodiments of the present application and are not used for limiting the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are referred to in the embodiments of the present application, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
Fig. 1 schematically illustrates a schematic structural diagram of a system for monitoring an operating condition of a pipeline according to an embodiment of the present application. As shown in fig. 1, an embodiment of the present application provides a system for monitoring an operating state of a pipeline, which may include:
a mobile monitoring device 110 configured to acquire real-time data of a target parameter corresponding to a target location;
the display device 120 is connected with the movable monitoring device 110 through a cable, and is used for displaying the real-time data and sending the real-time data to the analysis device 130;
an analysis device 130, connected to the display device 120 by a cable, configured to:
acquiring real-time data of target parameters corresponding to a target position;
determining the current pipeline running state according to the real-time data;
and sending an alarm signal under the condition that the current pipeline running state is abnormal.
In the embodiments of the present application, a pipeline is a device for transporting a gas, liquid or fluid with solid particles connected by pipes, pipe couplings, valves, and the like. The pipeline is easy to be damaged due to external force or corroded by gas, liquid or fluid conveyed by the pipeline in the process of conveying substances, so that the pipeline has serious potential safety hazard. Therefore, real-time monitoring of the current operating state of the pipeline is required.
In the embodiment of the present application, the movable monitoring device 110 is a real-time data collecting device that can move in the pipeline, and the movable monitoring device 110 can be lifted up or lowered down through a cable, so as to collect real-time data at multiple positions in the pipeline. Compared with the prior art, the movable monitoring device 110 can collect real-time data of a plurality of positions in the pipeline through the movable monitoring device so as to realize the purpose of carrying out all-around analysis on the running state of the pipeline. With the mobile monitoring device 110 at various locations within the pipeline, real-time data of the target parameter at that location is collected. In one example, the mobile monitoring device 110 may include displacement sensors, pressure sensors, temperature sensors, ultrasonic wall thickness probes, flow meters, and water level monitors. The target parameters include displacement data, pressure data, temperature data, thickness data of the pipe wall, flow data, and water level data. The displacement sensor, the pressure sensor, the temperature sensor, the ultrasonic wall thickness detector, the flowmeter and the water level monitor can be connected through cables. The movable monitoring device can measure the real-time data of a plurality of target parameters so as to analyze the real-time data subsequently, thereby improving the accuracy of judging the current pipeline running state.
The display device 120 is connected to the mobile monitoring device 110 by a cable. The mobile monitoring device 110 may transmit the collected real-time data to the display device 120 after collecting the real-time data. After the display device 120 receives the real-time data transmitted by the mobile monitoring device 110, the real-time data can be displayed for visualization. The display device 120 may transmit real-time data to the analysis device 130.
The analysis device 130 is used for receiving the real-time data transmitted by the display device 120, and processing and analyzing the real-time data. In order to satisfy the requirement of maintaining the stability and security of data in long-distance data transmission, the display device 120 may transmit data to the analysis device 130 through a cable. In one example, the analysis device 130 may determine whether the current pipeline operating state is abnormal according to the acquired real-time data of the target position. In another example, the analysis device 130 may predict the pipeline operating state after a preset voidage replacement period from the acquired real-time data. Through movable monitoring device, display device and analytical equipment, can satisfy the real-time data through different positions in the collection pipeline, and then monitor current pipeline running state's needs.
Through the technical scheme, the system for monitoring the running state of the pipeline is provided. The system can comprise a movable monitoring device, a display device and an analysis device, wherein the movable monitoring device is used for collecting real-time data corresponding to a target position and transmitting the real-time data to the display device, the display device is used for transmitting the real-time data to the analysis device, and the analysis device is used for analyzing and processing the received real-time data, so that the current running state of the pipeline is determined, and the running state of the pipeline after a preset injection and production period is predicted. This application can acquire the real-time data of a plurality of positions of pipeline through portable monitoring device, judges the deformation condition of pipeline through the analytical equipment analysis, in time masters the condition of pipeline running state to the reduction condition of security problem appears.
Fig. 2 schematically illustrates a schematic structural diagram of a system for monitoring an operating condition of a pipeline according to another embodiment of the present application. As shown in fig. 2, the mobile monitoring device may include:
the displacement sensor 3 is used for acquiring displacement data of a target position;
the pressure sensor 4 is used for acquiring pressure data of a target position;
the temperature sensor 5 is used for acquiring temperature data of a target position;
the ultrasonic wall thickness detector 6 is used for acquiring the thickness data of the pipeline wall at the target position;
the flowmeter 7 is used for acquiring flow data of a target position;
a water level monitor 8 for collecting water level data of a target position;
wherein, the displacement sensor 3, the pressure sensor 4, the temperature sensor 5, the ultrasonic wall thickness detector 6, the flowmeter 7 and the water level monitor 8 are connected through cables.
In particular, the mobile monitoring device is located within a pipe 2, the pipe 2 being within a casing 1. Gas injection and gas production can be performed through the inner annulus of the pipe 2. The pipe 2 may be a pipe having a uniform inner diameter and a uniform outer diameter, or a pipe having a non-uniform inner diameter or a non-uniform outer diameter or a non-uniform inner and outer diameters. The pipe 2 may be a single pipe or a pipe string composed of a plurality of pipes. Both ends of the uppermost part and the lowermost part of the pipeline 2 are fixed and cannot move, the upper part is connected with a wellhead device, and the lower part is connected with a packer to ensure the sealing property of the pipeline.
The system may measure real-time data of target parameters of a target location by lifting or lowering the mobile monitoring device. The movable monitoring device comprises a displacement sensor 3, a pressure sensor 4, a temperature sensor 5, an ultrasonic wall thickness detector 6, a flowmeter 7 and a water level monitor 8.
The displacement sensor 3 is a linear device belonging to metal induction. The displacement sensor can be divided into an analog type and a digital type according to different conversion forms of measured variables. Common displacement sensors include potentiometer-type displacement sensors, inductive displacement sensors, capacitive displacement sensors, eddy current displacement sensors, hall-type displacement sensors, and the like. In the acceleration process of the movable monitoring device, the mass block is subjected to inertia force measurement, an acceleration value is calculated by utilizing a Newton second law, and then a specific coordinate is obtained through acceleration and speed. During fixed measurement, the position of the movable monitoring device can be obtained through the displacement sensor 3; in the movement measurement, the depth coordinates of the movable monitoring device at different time points can be obtained through the displacement sensor 3. Due to the special application environment, a displacement sensor with a small volume needs to be selected, for example, a hall displacement sensor can be used. The pressure sensor 4 is a device that can sense the pressure signal and convert the pressure signal into a usable output electrical signal according to a certain rule. The temperature sensor 5 refers to a sensor which can sense temperature and convert it into a usable output signal. The phenomena of expansion with heat and contraction with cold at different temperatures are very obvious. The gas production process is a process of producing high-temperature gas in the stratum along the inside of the pipeline, wherein obvious temperature difference occurs in the pipeline, and the temperature of a well head and the temperature of a well bottom are higher. The gas injection process is a process of injecting low-temperature gas at the well head into the well bottom, and the temperatures of the well head and the well bottom are relatively low. By monitoring the temperature change in different injection-production periods, the pipeline expansion amount caused by the temperature effect is analyzed, and whether the pipeline is buckled and deformed or not is comprehensively judged.
The ultrasonic wall thickness probe 6 can perform thickness measurements according to the ultrasonic pulse reflection principle. The ultrasonic wall thickness probe includes a transmitting portion and a receiving portion. An ultrasonic wave is transmitted by the transmitting portion, the ultrasonic wave is reflected after encountering an obstacle, and the reflected ultrasonic wave is received by the receiving portion. The thickness data of the pipe wall of the pipe can thus be determined from the transit time and the sound velocity. The transit time is the time of transmission from the transmission of the ultrasound waves to the reception of the echo signal. The flow meter 7 is a meter that indicates the measured flow rate or the total amount of fluid in a selected time interval. The water level detector 8 is an instrument that can measure water level data. The movable monitoring device can measure real-time data of target parameters at multiple positions so as to analyze the real-time data subsequently, thereby improving the accuracy of judging the current running state of the pipeline.
In an embodiment of the present application, the mobile monitoring device may further include:
and the protective shell 9 has a damping function and is used for protecting the displacement sensor, the pressure sensor, the temperature sensor, the ultrasonic wall thickness detector, the flowmeter and the water level monitor.
Specifically, as shown in fig. 2, the movable monitoring device is susceptible to corrosion in the pipeline, and in order to ensure safe operation of the movable monitoring device, a protective shell 9 needs to be disposed outside the movable monitoring device. In addition, the protective case 9 may have a shock absorbing function, avoiding measurement deviation due to instability of the movable monitoring device. Through setting up the protective housing, avoid the material of pipe-line transportation to produce the influence to displacement sensor 3, pressure sensor 4, temperature sensor 5, ultrasonic wave wall thickness detector 6, flowmeter 7 and water level monitor 8 to can reduce displacement sensor 3, pressure sensor 4, temperature sensor 5, ultrasonic wave wall thickness detector 6, flowmeter 7 and water level monitor 8's vibrations.
In an embodiment of the present application, the cable 10 may include a plurality of transmission lines, each transmission line corresponding to a channel, each transmission line for transmitting real-time data of a target parameter corresponding to a current channel.
Specifically, as shown in fig. 2, a cable 10 may connect the movable monitoring device, the display device, and the analysis device. Cables are materials used for power, communication and related transmission applications, including multi-core cables and mono-core cables. The real-time data collected by the movable monitoring device can be transmitted to the display device through the cable 10, the display device can transmit the real-time data to the analysis device through the cable, and the analysis device can transmit the alarm signal to the display device through the cable. In one example, a multi-core cable may be used. The multi-core cable comprises a plurality of transmission lines, each transmission line corresponds to one channel, and each transmission line is used for transmitting real-time data of a target parameter corresponding to a current channel. Through cable junction portable monitoring device, display device and analytical equipment to utilize the cable to carry out data transmission, can satisfy long distance's data transmission's demand, improve data transmission's stability.
In the embodiment of the present application, the real-time data of each target parameter is transmitted through two channels.
Specifically, in order to improve stability and safety in the signal transmission process, real-time data of each target parameter is transmitted by using two channels. In the case of a single channel failure, a backup channel is used for data transmission. Real-time data and signals collected by the movable monitoring device are transmitted through the two channels, stability and safety in the signal transmission process are improved, and the problem of data loss caused by channel faults is avoided.
In the embodiment of the present application, the method may further include:
and the cable storage device 11 is arranged at the wellhead and used for storing cables.
Specifically, as shown in fig. 2, the cable housing means 11 may be used to house a cable. The cable may be received by the cable receiving means 11 during the raising or lowering of the movable measuring device. The surface layer of the cable accommodating device 11 is covered with a soft material, so that the cable is prevented from being damaged due to friction. Soft materials include, but are not limited to, foams, films, gels. Further, the cable housing device 11 may be provided with a cover to prevent the cable from being affected by moisture. Through setting up cable storage device, can reduce the portable measuring device and lift or transfer the wearing and tearing of in-process cable.
In an embodiment of the present application, the analysis apparatus may be further configured to:
and predicting the pipeline running state after the preset injection-production period according to the real-time data.
Specifically, as shown in fig. 1, the analysis device 130 may predict the pipe operation state after the preset injection-production period according to the received real-time data. After acquiring the real-time data, the analysis device 130 performs fitting processing on the real-time data by a least square method and a polynomial method. And predicting the running state of the pipeline after the preset injection-production period according to the change rule of the real-time data. The preset injection-production period may be one injection-production period or multiple injection-production periods. The running state of the pipeline after the preset injection-production period is predicted through the analysis device so as to achieve the purpose of early warning and be convenient for taking measures in advance aiming at the abnormal running state of the pipeline.
Fig. 3 schematically illustrates a flow diagram of a method for monitoring an operational status of a pipeline according to an embodiment of the present application. As shown in fig. 3, an embodiment of the present application provides a method for monitoring an operating state of a pipeline, which is applied to an analysis device, the analysis device is communicatively connected to a display device, and the display device is connected to a movable monitoring device through a cable, and may include:
301, acquiring real-time data of a target parameter corresponding to a target position;
and step 303, sending an alarm signal under the condition that the current pipeline running state is abnormal.
The method of the embodiment of the application is applied to an analysis device, the analysis device is applied to the system for monitoring the running state of the pipeline, the system comprises a movable monitoring device, a display device and an analysis device, the display device is connected with the movable monitoring device through a cable, and the analysis device is connected with the display device through a cable. The mobile monitoring device is configured to acquire real-time data of a target parameter corresponding to a target location. The display device is connected with the movable monitoring device through a cable and used for displaying real-time data and sending the real-time data to the analysis device.
The movable monitoring device is a real-time data acquisition device which can move in the pipeline, and the movable monitoring device can be lifted up or lowered down through a cable so as to acquire real-time data of a plurality of positions in the pipeline. Compared with the prior art, the movable monitoring device can acquire real-time data of a plurality of positions in the pipeline through the movable monitoring device so as to realize the purpose of carrying out all-dimensional analysis on the running state of the pipeline. And under the condition that the movable monitoring device is positioned at different positions in the pipeline, acquiring real-time data of the target parameters at the position. In one example, the movable monitoring device may include a displacement sensor, a pressure sensor, a temperature sensor, an ultrasonic wall thickness probe, a flow meter, and a water level monitor. The target parameters include displacement data, pressure data, temperature data, thickness data of the pipe wall, flow data, and water level data. The movable monitoring device can measure the real-time data of a plurality of target parameters so as to analyze the real-time data subsequently, thereby improving the accuracy of judging the current pipeline running state.
The mobile monitoring device can transmit the acquired real-time data to the display device after acquiring the real-time data. After the display device receives the real-time data transmitted by the movable monitoring device, the real-time data can be displayed so as to realize visualization. The display device may transmit real-time data to the analysis device. The analysis device is used for receiving the real-time data transmitted by the display device and processing and analyzing the real-time data. In order to meet the requirement of maintaining the stability and safety of data in long-distance data transmission, the display device can transmit the data to the analysis device through a cable. Through movable monitoring device, display device and analytical equipment, can satisfy the real-time data through different positions in the collection pipeline, and then monitor current pipeline running state's needs.
In this embodiment of the application, the analysis device may determine the operation state of the pipeline according to the real-time data of the target parameter corresponding to the target position, and warn when the operation state is abnormal. The analysis device may obtain displacement data, pressure data, temperature data, thickness data of the pipe wall, flow data and water level data. And the analysis device compares the real-time data with the initial thickness data and the flow data of the wellhead so as to judge whether the current pipeline running state is abnormal. And sending an alarm signal to a display device under the condition that the current pipeline running state is determined to be abnormal, so that visual alarm is performed through the display device. By acquiring real-time data of target parameters corresponding to the target position, the current running state of the pipeline can be monitored in real time, so that the safety of the pipeline in the process of conveying materials is ensured.
By the technical scheme, the real-time data of the target parameters corresponding to the target position are obtained, the pipeline running state is determined according to the real-time data, and warning is given under the condition that the pipeline running state is abnormal. Therefore, real-time data of a plurality of positions of the pipeline can be acquired, the deformation condition of the pipeline can be analyzed and judged, the condition of the running state of the pipeline can be mastered in time, and the condition of safety problems is reduced.
In an embodiment of the present application, determining the current pipeline operating state according to the real-time data may include:
acquiring initial thickness data of a pipeline wall of a pipeline;
obtaining thickness data of a pipeline wall at a target position;
determining a first difference between the initial thickness data and the thickness data of the pipe wall at the target location;
determining that the current pipeline running state is abnormal under the condition that the first difference value exceeds a first threshold value;
and under the condition that the first difference value is smaller than a first threshold value, determining that the current pipeline running state is normal.
Specifically, the analysis device may determine whether the current pipe operating state is abnormal based on the initial thickness data of the pipe wall of the pipe and the thickness data of the pipe wall of the target location. Initial thickness data of the pipe wall of the pipe and thickness data of the pipe wall at the target location can be acquired by the ultrasonic wall thickness detector. The analysis device may determine a first difference in the initial thickness data and the thickness data of the pipe wall at the target location. Further, a first threshold value may be preset. The first threshold is a preset value for judging whether the pipeline running state is abnormal or not according to the initial thickness data and the thickness data of the pipeline wall at the target position. And determining that the current pipeline running state is abnormal under the condition that the first difference value exceeds a first threshold value. And under the condition that the first difference value is smaller than a first threshold value, determining that the current pipeline running state is normal. By comparing the initial thickness data with the thickness data of the pipeline wall at the target position, the damage condition of the pipeline can be judged, and whether the current pipeline running state is abnormal or not is further determined.
In the embodiment of the present application, determining the current pipeline operating state according to the real-time data includes:
acquiring flow data of a wellhead;
acquiring flow data of a target position;
determining a second difference value of the flow data of the wellhead and the flow data of the target position;
determining that the current pipeline running state is abnormal under the condition that the second difference value exceeds a second threshold value;
and under the condition that the second difference value is smaller than a second threshold value, determining that the current pipeline running state is normal.
Specifically, the analysis means may determine whether the pipe operation state is abnormal or not based on the flow data. And after acquiring the flow data of the wellhead and the flow data of the target position, the analysis device determines a second difference value between the flow data of the wellhead and the flow data of the target position. Further, a second threshold value may be preset. The second threshold value is a preset value for judging whether the pipeline running state is abnormal according to the flow data of the wellhead and the flow data of the target position. And determining that the current pipeline running state is abnormal under the condition that the second difference value exceeds a second threshold value. And under the condition that the second difference value is smaller than a second threshold value, determining that the current pipeline running state is normal. By comparing the flow data of the wellhead with the flow data of the target position, the damage condition of the pipeline can be judged, and then whether the current pipeline running state is abnormal or not is determined.
In the embodiment of the present application, determining the current pipeline operating state according to the real-time data includes:
acquiring water level data of a target position;
acquiring flow data of a wellhead;
and determining the current pipeline running state according to the water level data and the flow data of the wellhead.
Specifically, the analysis means may determine whether the pipe operation state is abnormal or not based on the water level data and the flow rate data. The water level monitor can acquire water level data of a target position, and the current pipeline running state can be determined by combining flow data of a well head acquired by the flowmeter. The analysis device can acquire water level data acquired by the water level monitor, and then determines that accumulated liquid appears at the bottom of the well. At the same time, the analysis device determines whether the flow data at the wellhead exceeds a third threshold. The third threshold is a preset maximum value of wellhead flow data for judging whether the running state of the pipeline is abnormal or not. And determining that the current pipeline running state is abnormal under the condition that liquid accumulation occurs at the bottom of the well and the flow data of the wellhead exceeds a third threshold value. By acquiring water level data and wellhead flow data, the current pipeline running state can be determined, and then whether underground drainage measures need to be taken or not is determined.
In the embodiment of the present application, the method further includes:
and predicting the pipeline running state after the preset injection-production period according to the real-time data.
Specifically, the analysis device may also predict the pipeline operating state after the preset injection-production period according to the real-time data. After the analysis device acquires the real-time data, the data fitting can be carried out on the real-time data through a least square method and a polynomial method, the law of the change of the real-time data is obtained after correlation comparison is carried out, and then the running state of the pipeline after the preset injection-production period is predicted. Wherein, the injection-production period is determined according to actual needs. The preset injection-production period may be one injection-production period or multiple injection-production periods. Furthermore, the analysis device can update the real-time data of the target position acquired by the movable monitoring device in real time so as to realize the purpose of predicting the running state of the pipeline for a long time. The early warning purpose can be realized by predicting the running state of the pipeline, so that the potential safety hazard of the pipeline can be timely treated.
The embodiment of the application also provides a machine-readable storage medium, wherein the machine-readable storage medium is stored with instructions, and the instructions are used for enabling a machine to execute the method for monitoring the running state of the pipeline.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (12)
1. A system for monitoring the operational status of a pipeline, comprising:
the mobile monitoring device is configured to acquire real-time data of target parameters corresponding to a target position;
the display device is connected with the movable monitoring device through a cable and used for displaying the real-time data and sending the real-time data to the analysis device;
the analysis device is connected with the display device through a cable and is configured to:
acquiring real-time data of target parameters corresponding to the target position;
determining the current pipeline running state according to the real-time data;
and sending an alarm signal under the condition that the current pipeline running state is abnormal.
2. The system of claim 1, wherein the mobile monitoring device comprises:
the displacement sensor is used for acquiring displacement data of the target position;
the pressure sensor is used for acquiring pressure data of the target position;
the temperature sensor is used for acquiring temperature data of the target position;
the ultrasonic wall thickness detector is used for acquiring the thickness data of the pipeline wall at the target position;
the flowmeter is used for acquiring flow data of the target position;
the water level monitor is used for acquiring water level data of the target position;
the displacement sensor, the pressure sensor, the temperature sensor, the ultrasonic wall thickness detector, the flowmeter and the water level monitor are connected through cables.
3. The system of claim 1, wherein the mobile monitoring device further comprises:
and the protective shell has a damping function and is used for protecting the displacement sensor, the pressure sensor, the temperature sensor, the ultrasonic wall thickness detector, the flowmeter and the water level monitor.
4. The system of claim 1, wherein the cable comprises a plurality of transmission lines, each transmission line corresponding to a channel, each transmission line for transmitting real-time data of the target parameter corresponding to a current channel.
5. The system of claim 4, wherein the real-time data for each target parameter is transmitted over two channels.
6. The system of claim 1, further comprising:
and the cable storage device is arranged at the wellhead and used for storing the cable.
7. The system of claim 1, wherein the analysis device is further configured to:
and predicting the running state of the pipeline after the preset injection-production period according to the real-time data.
8. A method for monitoring the operational status of a pipeline, the method being applied to an analysis device, the analysis device being communicatively connected to a display device, the display device being connected to a movable monitoring device by a cable, the method comprising:
acquiring real-time data of target parameters corresponding to the target position;
determining the current pipeline running state according to the real-time data;
and sending an alarm signal under the condition that the current pipeline running state is abnormal.
9. The method of claim 8, wherein the determining a current pipe operating state from the real-time data comprises:
acquiring initial thickness data of a pipeline wall of a pipeline;
obtaining thickness data of the pipeline wall at the target location;
determining a first difference between the initial thickness data and the thickness data of the pipe wall at the target location;
determining that the current pipeline running state is abnormal under the condition that the first difference value exceeds a first threshold value;
and under the condition that the first difference is smaller than a first threshold value, determining that the current pipeline running state is normal.
10. The method of claim 8, wherein the determining a current pipe operating state from the real-time data comprises:
acquiring the flow data of a wellhead;
acquiring the flow data of the target position;
determining a second difference between the flow data at the wellhead and the flow data at the target location;
determining that the current pipeline running state is abnormal under the condition that the second difference value exceeds a second threshold value;
and under the condition that the second difference value is smaller than a second threshold value, determining that the current pipeline running state is normal.
11. The method of claim 8, wherein the determining a current pipe operating state from the real-time data comprises:
acquiring water level data of the target position;
acquiring flow data of the wellhead;
and determining the current pipeline running state according to the water level data and the flow data of the wellhead.
12. The method of claim 8, further comprising:
and predicting the running state of the pipeline after the preset injection-production period according to the real-time data.
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| CN202210637666.2A CN114992523A (en) | 2022-06-07 | 2022-06-07 | System and method for monitoring pipeline running state |
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| CN202210637666.2A CN114992523A (en) | 2022-06-07 | 2022-06-07 | System and method for monitoring pipeline running state |
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