CN205540162U - Gas storage well safety intelligent management system - Google Patents

Abstract

The utility model relates to a safety and intelligent management system for gas storage wells. The system includes a wellbore displacement detection device and a data storage device. The data storage device is connected to the wellbore displacement detection device; The laser transmitter and laser receiver at the wellhead of the gas well, the laser receiver receives the laser signal emitted by the laser transmitter, and judges whether the gas storage well is displaced according to the change of the received laser signal; the data storage device uses The gas storage well displacement information detected by the wellbore displacement detection device is stored. The purpose is to provide a gas storage well safety intelligent management system capable of real-time monitoring of the weak displacement of the wellbore.

Description

A gas storage well safety intelligent management system

technical field

The utility model relates to a safety management system, in particular to a gas storage well safety intelligent management system.

Background technique

In recent years, my country's natural gas vehicles have developed rapidly, and the number of natural gas vehicles has leapt to the first place in the world, which has led to a sharp increase in the number of natural gas vehicle filling stations, but the large number of gas filling stations currently built are still There is a weak wellbore displacement, which is difficult to find; this is because the main function of the cement sheath is to fix and protect the gas storage wellbore. If the cementing quality is not good, the cement sheath has weak fixing ability, and the wellbore moves freely for a long time, which not only increases the fatigue of the wellbore It will further damage the cement sheath and reduce the fixing capacity of the wellbore. Once the wellbore bursts, it may rush out of the ground, causing a major safety accident. However, the displacement of the wellbore is weak, usually at the millimeter level, and is difficult to detect by manual observation. It can be seen that due to the existence of the above-mentioned technical defects, the probability of major safety accidents in gas filling stations is greatly increased, which poses a huge threat to the safe operation of gas filling stations and the safety of people's lives and property.

Utility model content

The purpose of the utility model is to overcome the problem that the wellbore displacement is weak and difficult to find in the existing gas storage well safety management, and to provide a gas storage well safety intelligent management system capable of real-time monitoring of the weak displacement of the wellbore;

In addition, the utility model can also:

a. Real-time detection of downhole leakage in the gas storage well, whether the pressure in the gas storage well exceeds the limit pressure, whether the concentration of combustible gas at the wellhead of the gas storage well exceeds the standard value, whether there is flame in the gas storage well area and whether there are moving objects in the gas storage well area signal, and can alarm in real time according to the monitoring situation;

b. Real-time monitoring of pressure cycle range and fatigue cycle times;

c. Regularly issue maintenance reminders.

In order to achieve the above object, the technical solution adopted by the utility model is:

A gas storage well safety intelligent management system, comprising a wellbore displacement detection device and a data storage device, the data storage device is connected to the wellbore displacement detection device; the wellbore displacement detection device includes laser transmitters respectively arranged at the wellheads of different gas storage wells and a laser receiver, the laser receiver receives the laser signal emitted by the laser transmitter, and judges whether the gas storage well is displaced according to the change of the received laser signal; the data storage device is used to store the displacement of the wellbore The gas storage well displacement information detected by the detection device; wherein, when the position of the laser transmitter or the laser receiver is displaced by the displacement of the wellbore, the laser signal received by the laser receiver changes, thereby detecting The wellbore to the gas storage well is displaced.

As a preferred solution of the present utility model, the gas storage well safety intelligent management system further includes a downhole leakage detection device, the downhole leakage detection device is connected to the data storage device, and the downhole leakage detection device includes a The pressure sensor on the wellhead of the gas storage well, the pressure sensor collects the wellhead pressure value at a preset time interval, and the downhole leakage detection device compares the fluctuation range of the pressure value collected by the pressure sensor within a certain period of time with the standard fluctuation value comparison, so as to detect whether leakage occurs in the gas storage well; the pressure value collected by the pressure sensor is stored in the data storage device; wherein, the fluctuation range is obtained by calculating the multiple pressure values, and compared with the standard fluctuation value Make a comparison to determine whether it is caused by the start-up of the gas dispenser or the compressor or the leakage in the gas storage well.

As a preferred solution of the present utility model, the gas storage well safety intelligent management system further includes a pressure overrun monitoring device, the pressure overrun monitoring device is connected to the data storage device, and the pressure overrun monitoring device is used to The pressure value collected by the pressure sensor is compared with the pressure critical value to detect whether the pressure in the gas storage well exceeds the limit pressure; the pressure value collected by the pressure sensor is stored in the data storage device.

As a preferred solution of the present utility model, the gas storage well safety intelligent management system also includes a gas storage well fatigue cycle counting device, the gas storage well fatigue cycle counting device is connected to the data storage device, and the gas storage well fatigue cycle counting device The device detects the change of the pressure cycle range of the gas storage well through the pressure sensor, and records the number of fatigue cycles of the gas storage well according to the change of the pressure cycle range; because the number of fatigue cycles directly determines the service life of the gas storage well, and the current standard of the gas storage well If the fatigue cycle exceeds 25,000 times or is used for 25 years, it must be discarded. The system judges the service status of the gas storage well by collecting the number of fatigue cycles and the service life. 25 years but the number of cycles has not reached 25,000. If the performance of the wellbore and other pressure components is good, relevant agencies can be invited to conduct inspection and evaluation. If they pass the test, they can continue to be used, saving the cost of re-drilling. At present, the number of ground fatigue cycles has not been monitored in the industry, and can only be judged by experience, but the actual situation may not have reached or exceeded, which will bring waste and potential safety hazards; Data on the number of fatigue cycles and the range of stress cycles is stored in said data storage means.

As a preferred solution of the present utility model, the gas storage well safety intelligent management system further includes a wellhead gas leakage detection device, the wellhead gas leakage detection device is connected to the data storage device, and the wellhead gas leakage detection device includes The combustible gas detector at the wellhead detects whether the concentration of combustible gas exceeds the standard value; the wellhead gas leakage detection device stores the detected combustible gas concentration value information in the data storage device.

As a preferred solution of the present utility model, the gas storage well safety intelligent management system further includes a flame monitoring device connected to the data storage device, and the flame monitoring device includes a flame monitoring device set within a set distance from the wellhead The detector detects, and detects whether there is a flame in the gas storage well area through the flame detector; the flame monitoring device stores the information of whether there is a flame in the gas storage well area in the data storage device.

As a preferred solution of the present utility model, the gas storage well safety intelligent management system further includes a video monitoring device connected to the data storage device, and the video monitoring device includes Move the camera with video screen detection function, and monitor whether there is a moving object in the gas storage well area through the camera; the video monitoring device stores whether there is a moving object information in the gas storage well area in the data storage device .

As a preferred solution of the present utility model, the gas storage well safety intelligent management system also includes an alarm device, and the alarm device is connected to the downhole leakage detection device, pressure overrun monitoring device, wellbore displacement detection device, and wellhead gas leakage detection device , a flame monitoring device and a video monitoring device, the alarm device is used to receive leakage of the gas storage well, displacement of the wellbore, pressure in the gas storage well exceeding the limit pressure, concentration of combustible gas at the wellhead of the gas storage well exceeding the standard value, and flames in the gas storage well area. and the signal of moving objects in the gas storage well area, and simultaneously send out alarm signals and alarm information; the alarm device is also connected to the data storage device, and the alarm device stores the alarm information in the data storage device .

As a preferred solution of the present utility model, the alarm signal is the sound signal and signal sent by the sound and light alarm; the alarm information is sent to the mobile phone of the designated person in the form of a short message through the DTU, or directly pushed to the designated computer ; At the same time, the appointed person sends an instruction to the DTU by using the mobile device to send the data stored in the data storage device back to the mobile device. In this way, staff at all levels can remotely know the safety status of gas storage well equipment in real time. At the same time, the data in the data storage device can also be browsed through the network, so that managers can remotely view and monitor production data. That is, the data transmission between the data storage device and the rest of the devices and the data transmission between the mobile client and the PC end are transmitted using the internet and DTU, wherein the DTU adopts GPRS/CDMA for data communication; through the Internet network and GPRS /CDMA combination mode to transmit data, which can ensure that even if one party has a communication failure, the system can still work normally, avoiding data omission.

As a preferred solution of the present utility model, the gas storage well safety intelligent management system also includes a maintenance cycle reminder device, the maintenance reminder device is connected to the data storage device, and the maintenance reminder device is used to send out maintenance reminders periodically , and store the maintenance records in the data storage device. By calculating according to the input time of the maintenance record and the preset maintenance cycle, the next maintenance time is calculated, so that the gas storage well can be regularly maintained in time.

As a preferred solution of the present utility model, the gas storage well safety intelligent management system further includes an expansion device, the expansion device is connected to the data storage device, and the expansion device includes a plurality of expansion interfaces through which the existing Some gas station control systems, gas dispensers and compressors, so as to obtain the equipment status information of the gas dispensers and compressors, and store the equipment status information in the data storage device. The equipment status information of the gas machine includes the start and stop, failure, unit price, quantity and amount information of the gas filling machine, and the equipment status information of the compressor includes the start and stop and failure information of the compressor; among them, the existing gas filling station The control system, gas dispenser and compressor are connected to the system through RS232, RS485, Ethernet ports, digital and analog ports, so that the actual production data of the gas station can be realized without large-scale transformation of existing equipment. monitoring and acquisition, thereby saving costs.

As a preferred solution of the present utility model, the gas storage well safety and intelligent management system is provided with worker authority, station master authority, and engineer authority. Users with worker authority have the authority to view data; users with stationmaster authority have authority to view and Export the data in the data storage device, input maintenance records, and set the authority of the standard fluctuation value, pressure critical value, and gas concentration standard value; users with engineer authority have all the authority of the station manager, It also has the authority to change the maintenance cycle and production report structure; this makes the management of gas storage wells more reasonable and effective, and personnel at all levels perform their duties, and at the same time improves the security of the system.

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

1. Real-time monitoring of wellbore displacement, downhole leakage, whether the gas storage well pressure exceeds the limit, whether the natural gas concentration exceeds the limit, the pressure cycle range and the number of fatigue cycles, and can alarm in real time according to the monitoring situation, and regularly issue maintenance reminders; Carry out liquid drainage cycle statistics, gas storage well alarm information statistics and gas storage well safety status analysis, so that managers can grasp the safety status of gas storage wells in real time, so as to arrange production plans reasonably;

2. The data is transmitted through the combination of Internet network and GPRS/CDMA, which can ensure that even if one party has a communication failure, the system can still work normally, avoiding data omission;

3. The electronic informatization of gas storage well management has been realized, so that all operation records are well documented, and the efficiency and safety of gas storage well management are improved. And through the technical training materials stored in the system, the training work is more convenient, and the relevant training materials can be consulted at any time for problems encountered in the work to answer questions;

4. Realize the monitoring and acquisition of actual production data of gas filling stations without large-scale transformation of existing equipment, thus saving costs;

5. Hierarchical management of use rights makes the management of gas storage wells more reasonable and effective, and personnel at all levels perform their duties, which also improves the security of the system.

Description of drawings:

Figure 1 is a structural block diagram of a gas storage well safety intelligent management system;

Marks in the figure: 1-wellbore displacement detection device, 2-data storage device, 3-downhole leakage detection device, 4-pressure overrun monitoring device, 5-gas storage well fatigue cycle counting device, 6-wellhead gas leakage detection device , 7-flame monitoring device, 8-video monitoring device, 9-alarm device, 10-maintenance cycle reminder device, 11-expansion device.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in detail.

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Example

A gas storage well safety intelligent management system, comprising a wellbore displacement detection device 1 and a data storage device 2, the data storage device 2 is connected to the wellbore displacement detection device 1; the wellbore displacement detection device 1 includes A laser transmitter and a laser receiver at the wellhead, the laser receiver receives the laser signal emitted by the laser transmitter, and judges whether the gas storage well is displaced according to the change of the received laser signal; the data storage device 2 uses To store the gas storage well displacement information detected by the wellbore displacement detection device 1; When the displacement changes and causes its own position to move more than 3mm, the laser signal received by the laser receiver changes, thereby detecting that the wellbore of the gas storage well has displaced, and at this time the laser signal receiver will move the wellbore The signal delivered to the alarm device 9 for alarming.

Further, the gas storage well safety intelligent management system also includes a downhole leakage detection device 3, which is connected to the data storage device 2, and the downhole leakage detection device 3 includes The pressure sensor on the wellhead of the gas well, the pressure sensor collects the wellhead pressure value at preset time intervals, and the downhole leakage detection device 3 compares the fluctuation range of the pressure value collected by the pressure sensor within a certain period of time with the standard fluctuation value comparison, so as to detect whether leakage occurs in the gas storage well; the pressure value collected by the pressure sensor is stored in the data storage device 2; wherein, the fluctuation range is obtained by calculating a plurality of pressure values, and compared with the standard fluctuation Values are compared to determine whether the gas dispenser or compressor is activated or a leak occurs in the storage well.

Specifically, a pressure sensor is installed on the wellhead of each gas storage well, and the downhole leakage detection device 3 collects a pressure value every 3 minutes through the pressure sensor, and a total of 20 pressure values are collected in 1 hour. value, and calculate the collected 20 pressure values to obtain the specific value of its fluctuation range, and take 1Mpa as the standard fluctuation value. When the actual calculated fluctuation range value is greater than 1Mpa, it is gas filling at this time The machine is working while adding gas or the compressor is starting, if it is less than 1Mpa, then there is leakage in the gas storage well at this time. It should be pointed out that the values here are only for illustration, and may be modified according to actual conditions in actual production.

Further, the gas storage well safety intelligent management system also includes a pressure overrun monitoring device 4, the pressure overrun monitoring device 4 is connected to the data storage device 2, and the pressure overrun monitoring device 4 is used to store the pressure The pressure value collected by the sensor is compared with the pressure critical value to detect whether the pressure in the gas storage well exceeds the limit pressure; the pressure value collected by the pressure sensor is stored in the data storage device 2 .

Specifically, the pressure critical value includes high pressure critical value, low pressure critical value, ultra-high pressure critical value or ultra-low pressure critical value; in actual production, the high pressure critical value is 24.0MPa, when the pressure in the gas storage well exceeds 24.0MPa Generate a high-pressure alarm signal; the ultra-high pressure critical value is 25.0MPa, when the pressure in the gas storage well exceeds 25.0MPa, an ultra-high pressure alarm will be issued; the low-pressure critical value varies depending on the type of gas storage well, and the low-pressure critical value of the high-pressure well is 20Mpa. When the pressure in the high-pressure gas storage well is lower than 20Mpa, a low-pressure alarm signal is issued; when the pressure in the low-pressure gas storage well is lower than 12Mpa, a low-pressure alarm signal is issued; the ultra-low pressure critical value is 8.0MPa, when the pressure in the gas storage well is lower than 8.0MPa An ultra-low voltage alarm signal is issued immediately; it should be pointed out that the values here are only examples, and can be modified according to actual conditions in actual production.

Further, the gas storage well safety intelligent management system also includes a gas storage well fatigue cycle counting device 5, the gas storage well fatigue cycle counting device 5 is connected to the data storage device 2, and the gas storage well fatigue cycle counting device 5 The pressure cycle range change of the gas storage well is detected by the pressure sensor, and the fatigue cycle number of the gas storage well is recorded according to the pressure cycle range change; because the fatigue cycle number directly determines the service life of the gas storage well, and the current standard of the gas storage well is If the fatigue cycle exceeds 25,000 times or has been used for 25 years, it must be discarded. The system judges the service status of the gas storage well by collecting the number of fatigue cycles and the service life. If the cycle number exceeds 25,000 or the service life exceeds 25 Years but the number of cycles does not reach 25,000 times. If the performance of the wellbore and other pressure components is good, relevant agencies can be invited to conduct inspection and evaluation. If they pass the test, they can continue to be used, saving the cost of re-drilling. At present, the number of ground fatigue cycles has not been monitored in the industry, and can only be judged by experience, but the actual situation may not have reached or exceeded, which will bring waste and potential safety hazards; The data on the number of fatigue cycles and the range of pressure cycles are stored in the data storage device 2 .

Further, the gas storage well safety intelligent management system also includes a wellhead gas leakage detection device 6, the wellhead gas leakage detection device 6 is connected to the data storage device 2, and the wellhead gas leakage detection device 6 includes combustible gas detector, and detect whether the concentration of combustible gas exceeds the standard value through the combustible gas detector; the wellhead gas leakage detection device 6 stores the detected combustible gas concentration value information in the data storage device 2 . Specifically, when it is detected that the wellhead gas concentration of the gas storage well exceeds the standard value of 5%, the wellhead gas leakage detection device 6 sends an alarm signal through the alarm device 9, so that the situation of the gas storage well wellhead gas concentration exceeding the standard can be processed in real time, so as to avoid lead to greater disasters. Similarly, it should be pointed out that the values here are only for illustration, and can be modified according to the actual situation in actual production; wherein, the wellhead gas leakage detection device 6 stores the detected combustible gas concentration value information In the data storage device 2.

Further, the gas storage well safety intelligent management system also includes a flame monitoring device 7, which is connected to the data storage device 2, and the flame monitoring device 7 includes a flame detection device set within a set distance from the wellhead The flame detector detects whether there is a flame in the gas storage well area through the flame detector; the flame monitoring device 7 stores the information of whether there is a flame in the gas storage well area in the data storage device 2 .

Further, the gas storage well safety intelligent management system also includes a video monitoring device 8, which is connected to the data storage device 2, and the video monitoring device 8 includes a mobile device installed within a set distance from the wellhead. A camera with a video detection function, and monitor whether there is a moving object in the gas storage well area through the camera; the video monitoring device 8 stores whether there is a moving object information in the gas storage well area in the data storage device 2 middle.

Further, the gas storage well safety intelligent management system also includes an alarm device 9, which is connected to the downhole leakage detection device 3, the pressure overrun monitoring device 4, the wellbore displacement detection device 1, and the wellhead gas leakage detection device 6. The flame monitoring device 7 and the video monitoring device 8, the alarm device 9 is used to receive the leakage of the gas storage well, the displacement of the wellbore, the pressure in the gas storage well exceeding the limit pressure, the concentration of combustible gas at the wellhead of the gas storage well exceeding the standard value, the gas storage well There are signals of flames and moving objects in the area of the gas storage well, and simultaneously send out alarm signals and alarm information; the alarm device 9 is also connected to the data storage device 2, and the alarm device 9 stores the alarm information In the data storage device 2.

Further, the alarm signal is the sound signal and signal sent by the sound and light alarm; the alarm information is sent to the mobile phone of the designated person in the form of a short message through the DTU, or directly pushed to the designated computer; Using the mobile device to send an instruction to the DTU to send the data stored in the data storage device 2 back to the mobile device. In this way, staff at all levels can remotely know the safety status of gas storage well equipment in real time. At the same time, the data in the data storage device 2 can also be browsed through the network, so that managers can remotely view and monitor production data. That is, the data transmission between the data storage device 2 and the rest of the devices and the data transmission between the mobile client and the PC end are carried out using internet and DTU for transmission, wherein DTU adopts GPRS/CDMA for data communication; The combined mode of GPRS/CDMA transmits data, which can ensure that even if one party has a communication failure, the system can still work normally, avoiding data omission.

Further, the gas storage well safety intelligent management system also includes a maintenance cycle reminder device 10, the maintenance reminder device is connected to the data storage device 2, and the maintenance reminder device is used to regularly issue maintenance reminders, and Maintenance records are stored in the data storage device 2 . By calculating according to the input time of the maintenance record and the preset maintenance cycle, the next maintenance time is calculated, so that the gas storage well can be regularly maintained in time.

Further, the gas storage well safety intelligent management system also includes an expansion device 11, the expansion device 11 is connected to the data storage device 2, the expansion device 11 includes a plurality of expansion interfaces, through which the existing The station control system of the filling station, the filling machine and the compressor, so as to obtain the equipment state information of the filling machine and the compressor, and store the equipment state information in the data storage device 2, the filling The equipment status information of the gas machine includes the start and stop, failure, unit price, quantity and amount information of the gas filling machine, and the equipment status information of the compressor includes the start and stop and failure information of the compressor; among them, the existing gas filling station The control system, gas dispenser and compressor are connected to the system through RS232, RS485, Ethernet ports, digital and analog ports, so that the actual production data of the gas station can be realized without large-scale transformation of existing equipment. monitoring and acquisition, thereby saving costs.

To sum up, the data storage device 2 stores the pressure value collected by the pressure sensor, the data of the number of fatigue cycles and pressure cycle range changes, maintenance records, and alarm information data, wherein the fatigue cycle of the gas storage well Analysis of the number of times and alarm information data can enable managers to grasp the safety status of gas storage wells in real time, so as to arrange production plans reasonably.

Further, the data storage device 2 also stores gas storage well files, gas storage well completion data, gas storage well drainage records, gas storage well regular inspection records and technical training materials, thus realizing the electronic informationization of gas storage well management, All operation records are well documented, improving the efficiency and safety of gas storage well management. And through the technical training materials stored in the system, users are trained on the relevant knowledge and routine operations of gas storage wells, making the training work more convenient; and they can consult relevant training materials for questions and answers to problems encountered in the work at any time.

Further, the gas storage well safety intelligent management system is provided with worker authority, station master authority, and engineer authority. Users with worker authority have the authority to view data; users with stationmaster authority have the authority to view and export the data stored Data in device 2, input maintenance records, and the authority to set the standard fluctuation value, pressure critical value, and gas concentration standard value; users with engineer authority have the authority to change maintenance Maintenance cycle, authority of production report structure; this makes the management of gas storage wells more reasonable and effective, and personnel at all levels perform their duties, and also improves the security of the system.

In a specific implementation, users with different rights can also communicate through PCs and/or mobile terminals to better coordinate work. Through PCs and/or mobile terminals, users with different rights can also permission to perform remote control operations.

In practical applications, this system can control the realization of the functions of each device through a unified control unit, or independently control the realization of the functions of each device through the controller inside each device.

It should be further noted that the safety intelligent management system for gas storage wells described in this utility model can be used for the safety management of one gas filling station alone, and can also be used for the management of multiple gas filling stations at the same time. At this time, the data storage device 2. The operation data of multiple gas filling stations will be collected and stored in real time, so that cross-regional gas storage wells can be monitored and managed in a centralized manner in real time, the information is more smooth, timely and fast, and labor costs are greatly saved.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A gas storage well safety intelligent management system, characterized in that it comprises a wellbore displacement detection device and a data storage device, the data storage device is connected to the wellbore displacement detection device; the wellbore displacement detection device includes The laser transmitter and laser receiver at the wellhead of the gas well, the laser receiver receives the laser signal emitted by the laser transmitter, and judges whether the gas storage well is displaced according to the change of the received laser signal; the data storage device uses The gas storage well displacement information detected by the wellbore displacement detection device is stored. 2. The gas storage well safety intelligent management system according to claim 1, further comprising a downhole leakage detection device, the downhole leakage detection device is connected to the data storage device, and the downhole leakage detection device includes The pressure sensor arranged on the wellhead of the gas storage well, the pressure sensor collects the wellhead pressure value at preset time intervals, and the downhole leakage detection device compares the fluctuation range of the pressure value collected by the pressure sensor within a certain period of time with the The standard fluctuation value is compared to detect whether there is leakage in the gas storage well; the pressure value collected by the pressure sensor is stored in the data storage device. 3. The gas storage well safety intelligent management system according to claim 1, further comprising a pressure overrun monitoring device, the pressure overrun monitoring device is connected to the data storage device, and the pressure overrun monitoring device is used for The method is to compare the pressure value collected by the pressure sensor with the pressure critical value to detect whether the pressure in the gas storage well exceeds the limit pressure; the pressure value collected by the pressure sensor is stored in the data storage device. 4. The gas storage well safety intelligent management system according to claim 1, further comprising a wellhead gas leakage detection device, the wellhead gas leakage detection device is connected to the data storage device, and the wellhead gas leakage detection device includes The combustible gas detector is installed at the wellhead of the gas storage well, and detects whether the concentration of combustible gas exceeds the standard value through the combustible gas detector; the wellhead gas leakage detection device stores the detected combustible gas concentration value information in the data in the storage device. 5. The gas storage well safety intelligent management system according to claim 1, further comprising a flame monitoring device connected to the data storage device, and the flame monitoring device includes a set distance from the well head. The flame detector within the range detects, and detects whether there is a flame in the gas storage well area through the flame detector; the flame monitoring device stores the information of whether there is flame in the gas storage well area in the data storage device. 6. The gas storage well safety intelligent management system according to claim 1, further comprising a video monitoring device, the video monitoring device is connected to the data storage device, and the video monitoring device includes a set distance from the well head. A camera with a moving video detection function within the range, and monitors whether there is a moving object in the gas storage well area through the camera; the video monitoring device stores whether there is a moving object information in the gas storage well area in the in the data storage device. 7. The gas storage well safety intelligent management system according to any one of claims 1-6, further comprising an alarm device connected to a downhole leakage detection device, a pressure overrun monitoring device, and a wellbore displacement detection device. Device, wellhead gas leakage detection device, flame monitoring device and video monitoring device, the alarm device is used to receive gas storage well leakage, wellbore displacement, gas storage well internal pressure exceeds the limit pressure, gas storage well wellhead combustible gas concentration exceeds the standard value , there are signals of flames and moving objects in the gas storage well area, and simultaneously send out alarm signals and alarm information; the alarm device is also connected to the data storage device, and the alarm device stores the alarm information in the data storage device. 8. The gas storage well safety intelligent management system according to claim 7, characterized in that, the alarm signal is the sound signal and signal sent by the sound and light alarm; The mobile phone of the person, or push it directly to the designated computer; at the same time, the designated person uses the mobile device to send instructions to the DTU to send the data stored in the data storage device back to the mobile device. 9. The intelligent safety management system for gas storage wells according to claim 8, characterized in that it also includes a maintenance cycle reminder device, the maintenance reminder device is connected to the data storage device, and the maintenance reminder device is used to periodically A maintenance reminder is issued, and the maintenance records are stored in the data storage device. 10. The gas storage well safety intelligent management system according to claim 9, further comprising an expansion device, the expansion device is connected to the data storage device, the expansion device includes a plurality of expansion interfaces, and through the expansion The interface is connected to the existing station control system of the gas filling station, as well as the gas filling machine and the compressor, so as to obtain the equipment status information of the gas filling machine and the compressor, and store the equipment status information in the data storage device .