CN114111679B - Monitoring system - Google Patents
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- CN114111679B CN114111679B CN202111316439.1A CN202111316439A CN114111679B CN 114111679 B CN114111679 B CN 114111679B CN 202111316439 A CN202111316439 A CN 202111316439A CN 114111679 B CN114111679 B CN 114111679B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 107
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- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 238000012806 monitoring device Methods 0.000 claims description 56
- 230000005540 biological transmission Effects 0.000 claims description 46
- 238000007405 data analysis Methods 0.000 claims description 42
- 238000004891 communication Methods 0.000 claims description 26
- 238000013500 data storage Methods 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 6
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- 238000011156 evaluation Methods 0.000 abstract description 3
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- 230000008569 process Effects 0.000 description 8
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- 230000008859 change Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
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- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
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Abstract
The application provides a monitoring system for accurately monitoring the diameter of an 'open hole section' of an injection and production pipe column of a salt cavern gas storage, further providing accurate and effective data support for the work evaluation treatment of the injection and production pipe column, and being beneficial to guaranteeing the normal operation of the salt cavern gas storage.
Description
Technical Field
The application relates to the field of geology, in particular to a monitoring system.
Background
Natural gas is a clean and environment-friendly excellent energy source, and has the advantages of less carbon dioxide generated during combustion, almost no sulfur dioxide and dust generated, no toxicity, easy volatilization and the like, thus being widely applied worldwide. The underground gas storage is one of five links of production, transportation, storage, marketing and use of the natural gas industry, is a natural gas storage formed by injecting natural gas into an underground cavity, and is an energy infrastructure integrating functions of season peak regulation, accident emergency gas supply, national strategic reserve and the like. Compared with exhausted gas reservoirs and aquifer reservoirs, the salt cavern gas reservoirs have the advantages of high safety, high injection and production efficiency, less cushion gas consumption, large working gas amount and the like.
In the operation process of the salt cavern gas storage, the connection between a ground pipeline and an underground salt cavern is realized through an injection and production pipe column, in order to prevent the pipe column from being pulled and damaged due to the tensile strain at the top of a salt cavity, the injection and production pipe column needs to be reserved with an open hole section with a certain length at the top of the salt cavity, namely, the injection and production pipe column is formed by a section of a metal pipe column, a section of the pipe column connected with the metal pipe column is directly hollowed by a salt stratum, and the pipe column part formed by the salt stratum can be called as the open hole section.
In the research process of the prior related technology, the inventor discovers that the diameter of the 'naked eye section' gradually reduces along with the continuous increase of the accumulated working time, and the gas injection and production efficiency of the salt cavern gas storage is obviously affected, and the normal operation of the salt cavern gas storage is seriously possibly affected.
Disclosure of Invention
The application provides a monitoring system for accurately monitoring the diameter of an 'open hole section' of an injection and production pipe column of a salt cavern gas storage, further providing accurate and effective data support for the work evaluation treatment of the injection and production pipe column, and being beneficial to guaranteeing the normal operation of the salt cavern gas storage.
The application provides a monitoring system, which comprises a downhole 'naked eye section' diameter monitoring device, a paperless recorder data storage device, a data remote transmission device and a remote data analysis terminal;
the underground open hole section diameter monitoring device is arranged at a target tubular column, wherein the target tubular column is a tubular column part formed by a salt bed stratum structure in an injection and production tubular column of the salt cavern gas storage, and the injection and production tubular column of the salt cavern gas storage also comprises a metal tubular column connected with the target tubular column;
the paperless recorder data storage device, the data remote transmission device and the remote data analysis terminal are respectively configured at preset positions on the ground;
the diameter monitoring device of the underground 'naked eye section' acquires the diameter of a target tubular column through a sensor configured by the device, transmits the diameter monitoring result to the paperless recorder data storage device through a transmission line, stores the diameter monitoring result transmitted by the diameter monitoring device of the underground 'naked eye section' through the transmission line, and transmits the diameter monitoring result to a remote data analysis terminal through a communication module configured by the data remote transmission device, so that the remote data analysis terminal analyzes the diameter monitoring result.
In a first exemplary implementation manner, the sensor is specifically a linear displacement sensor, two ends of the linear displacement sensor are in contact with surrounding rocks of the target tubular column, and in the peristaltic contraction process of the target tubular column, the surrounding rocks contacting the target tubular column promote the length of the linear displacement sensor to change correspondingly, and the linear position sensor records the change of the length of the linear displacement sensor, so that a diameter monitoring result is obtained.
In a second exemplary implementation, the number of downhole "open hole" diameter monitoring devices is multiple, and the multiple downhole "open hole" diameter monitoring devices are deployed at the target string according to a preset deployment density, which is specifically set at a unit pitch, a unit depth, or a unit number.
In a third exemplary implementation, the interval of the monitoring duration of the downhole "open hole section" diameter monitoring device is set to 10 minutes.
In a fourth exemplary implementation, the transmission line is in particular a wired transmission line.
In a fifth exemplary implementation manner, the monitoring system further includes a cloud server, and the paperless recorder data storage device transmits the diameter monitoring result to the cloud server through a communication module configured by the data remote transmission device, so that the remote data analysis terminal downloads and analyzes the diameter monitoring result from the cloud server.
In a sixth exemplary implementation, the communication module configured by the data remote transmission device is specifically a 4G communication module or a 5G communication module.
In a seventh exemplary implementation, the diameter monitoring results collected by the downhole "open hole section" diameter monitoring device are raw data, and the remote data analysis terminal analyzes the diameter shrinkage results of the target string according to the diameter monitoring results collected at a plurality of different time points.
In combination with the seventh possible implementation manner, in an eighth exemplary implementation manner, if the diameter monitoring result is obtained by monitoring from an underground "open hole section" diameter monitoring device configured at different positions of the target tubular column, the remote data analysis terminal first analyzes the diameter monitoring result obtained by monitoring the underground "open hole section" diameter monitoring device configured at different positions to obtain a plurality of sub-diameter shrinkage results, and then fuses the plurality of sub-diameter shrinkage results to obtain the target diameter shrinkage result.
With reference to the seventh possible implementation manner, in a ninth exemplary implementation manner, when the diameter shrinkage result of the target tubular string meets an alarm condition, the remote data analysis terminal outputs an early warning, where the early warning condition includes an alert value set from the aspect of shrinkage efficiency or shrinkage amplitude.
From the above, the present application has the following advantages:
according to the method, on the basis of the original facilities of the salt cavern gas storage, a monitoring system is additionally configured, the diameter monitoring result of the salt cavern gas storage is monitored by a downhole naked eye section diameter monitoring device at the position of the naked eye section, and after the diameter monitoring result is stored by a paperless recorder data storage device, the diameter monitoring result is transmitted to a remote data analysis terminal through a communication module configured by a data remote transmission device to analyze the diameter monitoring result of the naked eye section.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a monitoring system according to the present application;
FIG. 2 is a schematic illustration of yet another configuration of the monitoring system of the present application;
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The terms first, second and the like in the description and in the claims of the present application and in the above-described figures, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or modules is not necessarily limited to those steps or modules that are expressly listed or inherent to such process, method, article, or apparatus. The naming or numbering of the steps in the present application does not mean that the steps in the method flow must be executed according to the time/logic sequence indicated by the naming or numbering, and the execution sequence of the steps in the flow that are named or numbered may be changed according to the technical purpose to be achieved, so long as the same or similar technical effects can be achieved.
The division of the modules in the present application is a logical division, and may be implemented in another manner in practical application, for example, a plurality of modules may be combined or integrated in another system, or some features may be omitted or not implemented, and in addition, coupling or direct coupling or communication connection between the modules that are shown or discussed may be through some interfaces, and indirect coupling or communication connection between the modules may be in an electrical or other similar form, which is not limited in this application. The modules or sub-modules described as separate components may or may not be physically separate, or may be distributed in a plurality of circuit modules, and some or all of the modules may be selected according to actual needs to achieve the purposes of the present application.
First, referring to fig. 1, fig. 1 shows a schematic structural diagram of a monitoring system according to the present application, where the monitoring system mainly includes four parts including an underground "naked eye section" diameter monitoring device, a paperless recorder data storage device, a data remote transmission device, and a remote data analysis terminal.
It will be appreciated that the monitoring system may be distinguished by the underground and above-ground portions.
For the underground part, the underground 'open hole section' diameter monitoring device is configured at a target tubular column, wherein the target tubular column is a tubular column part formed by a salt bed stratum structure in an injection and production tubular column of a salt cavern gas storage, and the injection and production tubular column of the salt cavern gas storage also comprises a metal tubular column connected with the target tubular column.
It can be understood that the "open hole section" of the target pipe string, i.e. the injection and production pipe string of the salt cavern gas storage, is arranged to prevent the whole injection and production pipe string from being pulled and damaged due to the tensile strain at the top of the salt cavity, is obtained by directly hollowing out the salt layer stratum of the underground environment, forms a hollow pipe, and can be connected with the metal pipe string to form the whole injection and production pipe string.
For the overground part, the paperless recorder data storage device, the data remote transmission device and the remote data analysis terminal are respectively arranged at preset positions on the ground.
It can be understood that the paperless recorder data storage device, the data remote transmission device and the remote data analysis terminal correspond to three aspects of storage, transmission and analysis processing of diameter monitoring results, and correspondingly, the diameter monitoring processing of the 'naked eye section' specifically comprises the following contents:
the diameter monitoring device of the underground 'naked eye section' acquires the diameter of a target tubular column through a sensor configured by the device, transmits the diameter monitoring result to the paperless recorder data storage device through a transmission line, stores the diameter monitoring result transmitted by the diameter monitoring device of the underground 'naked eye section' through the transmission line, and transmits the diameter monitoring result to a remote data analysis terminal through a communication module configured by the data remote transmission device, so that the remote data analysis terminal analyzes the diameter monitoring result.
It can be found that, because the underground part is provided with the underground 'naked eye section' diameter monitoring device in the data well drilling process or other excavation engineering, compared with the method of adopting the indirect analysis modes such as analysis injection and production efficiency, formation peristalsis and the like to infer the diameter change of the 'naked eye section', the diameter of the 'naked eye section' can be conveniently and directly observed through the underground 'naked eye section' diameter monitoring device, thereby bringing the characteristic of high precision and providing rich, fine or powerful data support for the analysis and processing of the diameter monitoring result of the subsequent remote data analysis terminal.
Further, it can be further understood with reference to a further structural schematic diagram of the monitoring system of the present application shown in fig. 2, 1 is a downhole "naked eye section" diameter monitoring device, 2 is a wired transmission cable, 3 is a wellbore device, 4 is a paperless recorder data storage device, 5 is a data remote transmission device, and 6 is a remote data analysis terminal.
It can be understood that the downhole "naked eye section" diameter monitoring device may configure a corresponding sensor to collect the diameter of the "naked eye section" according to a preset diameter monitoring manner, in other words, the downhole "naked eye section" diameter monitoring device may mainly include a sensor, and may even be a sensor directly.
As a practical implementation manner, the sensor configured by the downhole "naked eye section" diameter monitoring device may be specifically a linear displacement sensor (Linear Variable Differential Transformer, LVDT), where two ends of the linear displacement sensor are in contact with the surrounding rock of the target tubular column, that is, the length direction of the linear position sensor is perpendicular to the tubular wall and is in the same straight line with the monitored diameter, and in the peristaltic contraction process of the target tubular column, the surrounding rock contacting the target tubular column causes the length of the linear displacement sensor to change correspondingly, which is caused by the extrusion of the surrounding rock to two ends of the linear displacement sensor, so that the linear position sensor can record the change of the length of the linear position sensor to obtain the diameter monitoring result.
In addition, in practical application, the underground 'naked eye section' diameter monitoring device can be also provided with a sensor of a type other than a linear displacement sensor, such as an ultrasonic sensor, an infrared sensor and even an image sensor, which can be considered according to the monitoring requirement and combined with factors such as application cost, application environment and the like, and for the linear displacement sensor, the application determines that the linear displacement sensor has the advantages of stable work and higher acquisition precision in an underground environment with larger depth of a salt cavern gas storage through experiments, so that the linear displacement sensor is preferably adopted as a hardware means for monitoring the 'naked eye section' diameter of the underground 'naked eye section' diameter monitoring device.
The diameter monitoring result obtained by the underground 'naked eye section' diameter monitoring device is a primarily monitored diameter result, or the diameter monitoring result acquired by the underground 'naked eye section' diameter monitoring device is original data, and then is transmitted to a remote data analysis terminal for final analysis, so that a target diameter monitoring result which can be finally output is obtained.
Under the arrangement, more data processing can be transmitted to a remote data analysis terminal on the ground for processing as much as possible, so that the data processing scale related to the underground 'naked eye section' diameter monitoring device is smaller, and the requirements on software and hardware are reduced.
Under the condition that the diameter monitoring result collected by the underground 'naked eye section' diameter monitoring device is the original data, the underground 'naked eye section' diameter monitoring device can collect the diameter monitoring result on the 'naked eye section' at different time points, the remote data analysis terminal can analyze the diameter shrinkage result of the target tubular column on the whole according to the diameter monitoring results collected at a plurality of different time points, and the diameter shrinkage result obtained by analysis of the remote data analysis terminal has higher analysis precision.
Continuing to pay attention to the underground 'naked eye section' diameter monitoring devices, in practical application, the number of the underground 'naked eye section' diameter monitoring devices can be more than one and can also be more than one, so that the plurality of underground 'naked eye section' diameter monitoring devices can be deployed at a target tubular column according to preset deployment density, diameter monitoring of different depth positions of the 'naked eye section' is completed, and the preset deployment density is specifically set in a unit interval, a unit depth or a unit number of isopycnic units.
Obviously, the preset deployment density of the downhole 'open hole section' diameter monitoring device can be balanced between the deployment cost and the monitoring range in actual operation, and the adaptive deployment density of the downhole 'open hole section' diameter monitoring device can be determined by combining density units such as unit spacing, unit depth or unit number.
Meanwhile, the working pressure and the service life of the underground 'naked eye section' diameter monitoring device are considered, and in order to avoid high-strength work, the monitoring time interval of the underground 'naked eye section' diameter monitoring device can be specifically set to 10 minutes, so that the monitoring requirement is met, the working pressure of the underground 'naked eye section' diameter monitoring device can be reduced, and the service life of the underground 'naked eye section' diameter monitoring device is guaranteed.
Of course, the monitoring time interval can also be 3 minutes, 5 minutes, 20 minutes, 30 minutes and other monitoring time intervals, and can be specifically adjusted according to actual requirements.
Secondly, to the transmission line that disposes between "naked eye section" diameter monitoring devices and the paperless record appearance data storage device in pit, this application adopts for wired transmission line specifically, accomplishes diameter observation result and the transmission of relevant work instruction through communication cable promptly, like this in the underground environment of salt cavern gas storage, has the reliable and stable effect of work.
It will be appreciated that paperless recorder data storage is primarily responsible for the reception, storage and forwarding of diameter observations.
As an example, the paperless recorder data storage device can integrate various functions of data measurement, display, processing, operation, alarm, report recording and the like, a high-speed and high-performance 32-bit cotex-M4 microprocessor is adopted in the paperless recorder data storage device, a circuit board is subjected to corrosion-proof, moisture-proof and dust-proof three-proofing coating treatment, an instrument power supply has strong anti-interference capability, external harmonic interference can be effectively restrained, the stability of the whole paperless recorder data storage device is greatly improved, 48M bytes Flash is adopted in the device in early spring, a USB interface and other equipment are supported to locally transmit data, meanwhile, power-down protection is supported, all data are stored in a Flash storage device, all historical data and configuration parameters are ensured not to be lost due to power down, and lithium batteries are used for supplying power after power down.
Whereas the communication means, i.e. the data remote transmission means (Data Transfer Unit, DTU), on which the specific forwarding of diameter observations depends, is located between the paperless recorder data storage means on the well and the remote data analysis terminal.
As another example, the data remote transmission device can realize bidirectional data transparent transmission from a serial port to a network, support a network transparent transmission mode, have the characteristics of high speed and low delay, and can realize the functions of automatic positioning, remote configuration of DTU parameters, remote upgrading of DTU firmware, monitoring of terminal equipment data, cloud transparent transmission of terminal equipment data, DTU off-line alarming, tracking of DTU positions, monitoring of signal quality, monitoring of data flow, management of SIM cards and the like.
As a practical implementation manner, the communication module configured by the data remote transmission device is specifically a 4G communication module or a 5G communication module, compared with data forwarding by using other devices, for example, the data remote transmission device firstly sends data to a device by means of bluetooth, wireless fidelity (Wireless Fidelity, wi-Fi), zigbee (zigbee) and the like, and then forwards the data to a designated device, and the data remote transmission device can directly complete communication and surfing through the 4G communication module or the 5G communication module configured by itself and forwards the data to the designated device.
For example, the network transmission of the data remote transmission device can be completed by means of a 4G flow card (corresponding to a 4G communication module), and the data remote transmission device has the characteristic of better flexibility in actual operation through the communication module configured by the application, and can automatically surf the internet and flexibly adjust the position of the setting equipment.
It can be understood that in practical application, the data remote transmission device can directly send the diameter monitoring result to the remote data analysis terminal, so as to prompt the remote data analysis terminal to perform corresponding analysis processing; alternatively, it may be transmitted to a remote data analysis terminal in an indirect manner.
That is, in this application, as yet another practical implementation manner, the monitoring system may further include a cloud server, and the paperless recorder data storage device transmits the diameter monitoring result to the cloud server through the communication module configured by the data remote transmission device, so that the remote data analysis terminal downloads and analyzes the diameter monitoring result from the cloud server.
It can be understood that if the diameter monitoring result is uploaded to the cloud server, the cloud server stores the diameter monitoring result, and performs corresponding searching and downloading service of the diameter monitoring result, the remote data analysis terminal side can be prompted to conveniently replace equipment or login account in practical application, that is, a better data transmission effect and a better data storage effect are achieved, a better data review effect is achieved, the remote data analysis terminal is convenient to adjust under different conditions, and analysis of the diameter monitoring result is performed on the remote data analysis terminal.
The remote data analysis terminal can be specifically different types of terminal equipment such as a desktop computer, a notebook computer, a computer integrated machine, a smart phone, a tablet personal computer, a personal digital assistant (Personal Digital Assistance, PDA) and the like, and on the side of the remote data analysis terminal, workers can also check and control the work of the monitoring system provided by the application through man-machine interaction, and can also check the analysis result of the received diameter monitoring result.
In the specific analysis processing of the remote data analysis terminal, as another example, if the diameter monitoring result is obtained by monitoring from the downhole "open hole section" diameter monitoring devices configured at different positions of the target tubular column, the remote data analysis terminal may further analyze the diameter monitoring result obtained by monitoring the downhole "open hole section" diameter monitoring devices configured at different positions to obtain a plurality of sub-diameter shrinkage results, and then fuse the plurality of sub-diameter shrinkage results to obtain the target diameter shrinkage result.
That is, the sub-diameter shrinkage results corresponding to each of the downhole "open hole" diameter monitoring devices are analyzed first, and then the sub-diameter shrinkage results corresponding to the downhole "open hole" diameter monitoring devices are integrated together, so that the final target diameter shrinkage result which can be output is obtained.
It can be understood that under this setting, compared with directly analyzing and fusing all diameter monitoring results on the whole, the diameter monitoring device is firstly aimed at analyzing and fusing corresponding sub-diameter shrinkage results by aiming at different underground 'naked eye section' diameter monitoring devices, and then the whole target diameter shrinkage results are fused by balancing the specific gravity of the position or the equipment monitoring result of each underground 'naked eye section' diameter monitoring device, so that the analysis effect and the analysis precision are more flexible and fine, and the higher analysis precision can be brought.
Secondly, on the basis of analysis and monitoring of the diameter shrinkage result of the naked eye section, the corresponding alarm event can be configured by combining with the actual application requirement, so as to give an alarm to related equipment or staff in the first time, prompt that the diameter shrinkage result of the naked eye section is abnormal or emergency, and need to be checked and maintained in time.
That is, after the diameter shrinkage result of the target pipe string is obtained through analysis, when the diameter shrinkage result of the target pipe string meets the alarm condition, the remote data analysis terminal outputs an early warning.
The early warning condition comprises a warning value set according to consideration factors such as contraction efficiency or contraction amplitude.
In summary, according to the requirement of monitoring the diameter of the "naked eye section" of the injection and production pipe column of the salt cavern gas storage, the application additionally configures a monitoring system on the basis of the original facilities of the salt cavern gas storage, the diameter monitoring result of the salt cavern gas storage is monitored by the underground "naked eye section" diameter monitoring device at the "naked eye section", after the diameter monitoring result is stored by the paperless recorder data storage device, the diameter monitoring result is transmitted to a remote data analysis terminal through a communication module configured by a data remote transmission device to analyze the diameter monitoring result, and the diameter of the "naked eye section" of the injection and production pipe column can be independently, stably, timely and accurately monitored through the monitoring system, so that accurate and effective data support can be provided for the work evaluation treatment of the injection and production pipe column, and the normal operation of the salt cavern gas storage is facilitated to be guaranteed.
In the monitoring system, the four main devices are used for cooperative work and definite division, so that the real-time monitoring and remote analysis of the deformation of the 'naked eye section' in the operation process of the salt cavern gas storage can be realized, and the monitoring system has important significance and application value for guaranteeing the safe and stable operation of the salt cavern gas storage, in particular to the safe and stable operation of the ultra-deep salt cavern gas storage.
The foregoing has outlined the detailed description of the monitoring system provided herein, and the principles and embodiments of the present application have been described herein with the application of specific examples, the description of the examples above being merely intended to facilitate the understanding of the method of the present application and the core ideas thereof; meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.
Claims (5)
1. The monitoring system is characterized by comprising an underground 'naked eye section' diameter monitoring device, a paperless recorder data storage device, a data remote transmission device and a remote data analysis terminal;
the underground 'open hole section' diameter monitoring device is configured at a target tubular column, wherein the target tubular column is a tubular column part formed by a salt bed stratum structure in an injection and production tubular column of a salt cavern gas storage, and the injection and production tubular column of the salt cavern gas storage also comprises a metal tubular column connected with the target tubular column;
the paperless recorder data storage device, the data remote transmission device and the remote data analysis terminal are respectively configured at preset positions on the ground;
the diameter monitoring device of the underground 'naked eye section' acquires the diameter of the target tubular column through a sensor configured by the device, transmits a diameter monitoring result to the paperless recorder data storage device through a transmission line, stores the diameter monitoring result transmitted by the diameter monitoring device of the underground 'naked eye section' through the transmission line, and transmits the diameter monitoring result to a remote data analysis terminal through a communication module configured by the data remote transmission device, so that the remote data analysis terminal analyzes the diameter monitoring result;
the sensor is specifically an ultrasonic sensor, an infrared sensor or an image sensor;
the number of the downhole 'open hole section' diameter monitoring devices is multiple, the downhole 'open hole section' diameter monitoring devices are deployed at the target tubular column according to preset deployment density, the preset deployment density is balanced between deployment cost and monitoring range, and the preset deployment density is set by combining unit spacing, unit depth or unit number;
the monitoring time interval of the underground 'naked eye section' diameter monitoring device is set to be 10 minutes;
the diameter monitoring results acquired by the downhole 'naked eye section' diameter monitoring device are raw data, and the remote data analysis terminal analyzes the diameter shrinkage results of the target tubular column according to the diameter monitoring results acquired at a plurality of different time points;
if the diameter monitoring result is obtained by monitoring the downhole 'open hole section' diameter monitoring device configured at different positions of the target tubular column, the remote data analysis terminal firstly analyzes the diameter monitoring result obtained by monitoring the downhole 'open hole section' diameter monitoring device configured at different positions to obtain a plurality of sub-diameter shrinkage results, and then fuses the plurality of sub-diameter shrinkage results through the specific gravity of the position or the equipment monitoring result to obtain the target diameter shrinkage result.
2. The system according to claim 1, wherein the transmission line is in particular a wired transmission line.
3. The monitoring system of claim 1, further comprising a cloud server, wherein the paperless recorder data storage device transmits the diameter monitoring results to the cloud server via a communication module configured by the data remote transmission device, such that the remote data analysis terminal downloads and analyzes the diameter monitoring results from the cloud server.
4. The monitoring system according to claim 1, wherein the communication module configured by the data remote transmission device is specifically a 4G communication module or a 5G communication module.
5. The monitoring system according to claim 1, wherein the remote data analysis terminal outputs an early warning when the diameter shrinkage result of the target string satisfies an alarm condition including a warning value set from the viewpoint of shrinkage efficiency or shrinkage amplitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111316439.1A CN114111679B (en) | 2021-11-08 | 2021-11-08 | Monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111316439.1A CN114111679B (en) | 2021-11-08 | 2021-11-08 | Monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN114111679A CN114111679A (en) | 2022-03-01 |
| CN114111679B true CN114111679B (en) | 2024-01-05 |
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