CN113759972A - Oil-gas pipeline safety inspection system and method - Google Patents
Oil-gas pipeline safety inspection system and method Download PDFInfo
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- 239000007789 gas Substances 0.000 claims description 104
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 16
- 239000003345 natural gas Substances 0.000 claims description 10
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/10—Simultaneous control of position or course in three dimensions
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Abstract
The invention discloses a system and a method for safely inspecting an oil-gas pipeline, wherein the system comprises: the satellite system is used for pre-analyzing the disaster area through the provided satellite image and screening out the area which is affected by the disaster; the unmanned aerial vehicle system is used for shooting and collecting information of the oil and gas pipeline and carrying out routing inspection according to an oil and gas pipeline burying route; the inspection vehicle is used for receiving the image shot by the unmanned aerial vehicle system and sending the image to the ground station; if the condition that partial pipeline region receives the influence of the calamity exists in the image that discovery unmanned aerial vehicle system shot, the operation patrols and examines the car and go to the affected region, surveys underground oil and gas pipeline, if the discovery oil and gas pipeline has abnormal conditions, sends alarm signal to the ground station. After various disasters occur, the oil-gas pipeline in the disaster area can be rapidly checked, the state of the oil-gas pipeline is evaluated, and whether the potential safety hazard exists in the oil-gas pipeline is further judged.
Description
Technical Field
The invention relates to the technical field of oil and gas pipeline inspection, in particular to an emergency oil and gas pipeline safety inspection system and method.
Background
Oil and gas pipelines are our country and their important economic and military fates. The west-east gas pipeline is winding, and the total mileage of the oil-gas pipeline is about 5 ten thousand kilometers. The oil and gas pipeline has run through the large oil and gas areas such as Sichuan, Tarim and Qinghai, and has formed a large-scale oil and gas pipe network. The oil and gas pipeline is used as an important tool for energy transportation, once leakage or explosion accidents occur, the safety of lives and properties of people is seriously threatened, and therefore the safety patrol and management of the pipeline are very important. The national oil and gas pipeline protection act stipulates: in the area ranges of five meters on two sides of the central line of the pipeline, the behaviors of planting deep-rooted plants, excavating construction, illegal construction and the like are forbidden. However, the above-mentioned actions that endanger the safety of oil and gas pipelines occur occasionally, even causing irreparable losses.
At present, the line patrol mode of line patrol personnel holding a paper pen for filling in records is laggard, and the accuracy of field records is greatly reduced when severe weather and extreme environments are met. What is more unforeseeable is the problem of pipeline leakage, and manpower and material resources need to be allocated in time for remediation.
The traditional manual line patrol method has large workload and hard conditions, and is particularly suitable for patrolling petroleum pipelines in mountainous areas, rivers, swamps, unmanned areas and other areas; or the inspection of line patrol during ice disasters, flood disasters, earthquakes, landslides and nights takes long time, and has high labor cost and great difficulty. In addition, some inspection projects are difficult to complete by conventional methods.
And some units also utilize the unmanned aerial vehicle to monitor and maintain the petroleum pipeline, and the device has the characteristics of low cost, convenience in transportation, simplicity and convenience in operation, simplicity in maintenance and the like. However, because most of unmanned aerial vehicles which are put into inspection for use at present are rotor-wing unmanned aerial vehicles, the flight time is short, and particularly, the unmanned aerial vehicles cannot fly in airspace restricted areas such as cities.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an oil and gas pipeline safety inspection system and method, which are used for solving the problems in the background art and realizing the inspection of petroleum pipelines in mountainous areas, rivers, swamps, unmanned areas and the like or the inspection of pipelines during ice disasters, flood disasters, earthquakes, landslides and nights.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
Oil gas pipeline safety inspection system includes:
the satellite system is used for pre-analyzing the disaster area through the provided satellite image and screening out the area which is affected by the disaster;
the unmanned aerial vehicle system is used for shooting and collecting information of the oil and gas pipeline and carrying out routing inspection according to an oil and gas pipeline burying route;
the inspection vehicle is used for receiving the image shot by the unmanned aerial vehicle system and sending the image to the ground station; the inspection vehicle is provided with an unmanned aerial vehicle airport for the unmanned aerial vehicle system to stay and a multifunctional detection module for detecting underground buried oil and gas pipelines; if the situation that part of pipeline areas are affected by disasters exists in the image shot by the unmanned aerial vehicle system, operating the patrol vehicle to the affected areas to detect underground buried oil and gas pipelines, and if the situation that the oil and gas pipelines are abnormal is found, sending an alarm signal to a ground station; and according to the position of the inspection vehicle, the inspection vehicle goes to the area to further evaluate the oil and gas pipeline.
Further optimize technical scheme, unmanned aerial vehicle system includes:
unmanned aerial vehicles, including multi-rotor unmanned aerial vehicles and tandem twin-propeller unmanned aerial vehicles;
the unmanned aerial vehicle is provided with a hyperspectral camera and is used for shooting the state of an oil-gas pipeline;
the unmanned aerial vehicle carries on the data acquisition system for receive the image information that unmanned aerial vehicle carried on the hyperspectral camera and shot, and carry on the image information transmission that the hyperspectral camera was shot with unmanned aerial vehicle to the inspection car.
Further optimize technical scheme, be provided with the charging system who is used for carrying out automatic charging for the unmanned aerial vehicle system on the unmanned aerial vehicle airport.
Further optimize technical scheme, the tour inspection car can carry on many times unmanned aerial vehicle, can realize flying to two-way or multidirectional navigation of oil gas pipeline.
The method for safely inspecting the oil and gas pipeline is carried out based on the oil and gas pipeline safety inspection system and comprises the following steps:
s1, pre-analyzing the disaster area through a satellite image provided by a satellite system in a high-risk oil and gas pipeline area which is easily affected by the disaster or after the disaster happens, and screening out the area which is affected by the disaster;
s2, dispatching a patrol vehicle to carry the unmanned aerial vehicle to the disaster area;
s3, releasing the unmanned aerial vehicle after the inspection vehicle reaches the disaster area, inspecting the oil and gas pipeline by the unmanned aerial vehicle according to the oil and gas pipeline burying route, shooting the oil and gas pipeline by the unmanned aerial vehicle, transmitting the shot image to the inspection vehicle, and transmitting the image to the ground station by the inspection vehicle;
s4, if the situation that part of pipeline areas are affected by disasters exists in the image shot by the unmanned aerial vehicle system, operating the inspection vehicle to the affected areas to detect the underground buried oil and gas pipelines, and if the situation that the oil and gas pipelines are abnormal is found, sending an alarm signal to the ground station; and according to the position of the inspection vehicle, the inspection vehicle goes to the area to further evaluate the oil and gas pipeline.
Further optimize technical scheme, the oil gas pipeline has the condition of great displacement or the condition of suspected fracture for oil gas pipeline position to have the abnormal condition.
Further optimize technical scheme, survey the underground oil gas pipeline through the high frequency oscillator that the inspection car carried, judge whether the oil gas pipeline takes place to squint or warp.
The technical scheme is further optimized, the natural gas content in the air is detected through a natural gas leakage laser remote sensing detector carried by the inspection vehicle, and whether the oil-gas pipeline is broken or not is judged.
Due to the adoption of the technical scheme, the technical progress of the invention is as follows.
After various disasters (such as flood, landslide, earthquake and the like) occur, the oil-gas pipeline in the disaster area is quickly checked, the state of the oil-gas pipeline is evaluated, whether other safety problems such as pipeline deformation, oil-gas leakage and the like exist or not is judged, the state of the oil-gas pipeline can be timely transmitted back to the ground station in real time, and an operator can judge whether potential safety hazards exist or not according to the condition of the oil-gas pipeline.
The system comprises a satellite system, a patrol vehicle and an unmanned aerial vehicle system, the satellite system, the patrol vehicle and the unmanned aerial vehicle system work cooperatively, disaster areas are pre-analyzed through provided satellite images, areas affected by disasters are screened out, the unmanned aerial vehicle system shoots and collects oil-gas pipeline information, the shot image information is fed back to the patrol vehicle, and the patrol vehicle transmits the image information to a ground station. If the situation that part of pipeline areas are affected by disasters exists in the image shot by the unmanned aerial vehicle system, operating the patrol vehicle to the affected areas to detect underground buried oil and gas pipelines, and if the situation that the oil and gas pipelines are abnormal is found, sending an alarm signal to a ground station; and according to the position of the inspection vehicle, the inspection vehicle goes to the area to further evaluate the oil and gas pipeline. The abnormal condition of the oil and gas pipeline is the condition that the oil and gas pipeline has large displacement or the condition of suspected fracture. The inspection vehicle can also be used as an airport of the unmanned aerial vehicle, and meanwhile, the inspection vehicle also can be used as a relay of the unmanned aerial vehicle to finish further processing of data and detection of petroleum pipelines.
Drawings
FIG. 1 is a schematic structural view of a patrol vehicle according to the present invention;
FIG. 2 is a schematic structural view of the UAV system of the present invention
Fig. 3 is a block diagram of the safety inspection system for oil and gas pipelines.
Wherein: 1. patrol and examine car, 2, multi-functional detection module, 3, GPS antenna, 4, radio station communication antenna, 5, unmanned aerial vehicle system, 51, unmanned aerial vehicle carry on the high spectrum camera, 6, the unmanned aerial vehicle interface that charges.
Detailed Description
The invention will be described in further detail below with reference to the figures and specific examples.
Oil gas pipeline safety system of patrolling and examining, it is shown in combination with fig. 1 to 3, including unmanned aerial vehicle system 5, unmanned aerial vehicle system, patrol and examine car 1.
The satellite system pre-analyzes disaster areas through satellite images provided by a Chinese resource satellite application center, and screens out areas affected by disasters.
And the unmanned aerial vehicle system 5 is used for shooting and acquiring information of oil and gas pipelines and patrolling according to the oil and gas pipeline burying and releasing route. The unmanned aerial vehicle system comprises an unmanned aerial vehicle, an unmanned aerial vehicle carrying hyperspectral camera and an unmanned aerial vehicle carrying data acquisition system.
Unmanned aerial vehicle, including many rotor unmanned aerial vehicle and tandem double oar unmanned aerial vehicle.
The unmanned aerial vehicle carries on the hyperspectral camera 51 and is used for shooting the state of the oil and gas pipeline.
The unmanned aerial vehicle carries on the data acquisition system for receive the image information that unmanned aerial vehicle carried on the hyperspectral camera and shot, and carry on the image information transmission that the hyperspectral camera was shot with unmanned aerial vehicle to the inspection car.
And the inspection vehicle 1 is used for receiving the image shot by the unmanned aerial vehicle system and sending the image to the ground station. Be provided with the unmanned aerial vehicle airport that supplies the unmanned aerial vehicle system to stop on the inspection car and carry out the multi-functional detection module 2 of surveying to underground buried oil gas pipeline, multi-functional detection module 2 includes radar, high frequency oscillator, natural gas leakage laser remote sensing detection instrument. The patrol car is used for detecting in the region where the unmanned aerial vehicle system can not reach, and can charge the unmanned aerial vehicle, so that the cluster type pipeline patrol of the unmanned aerial vehicle is realized. The inspection vehicle is provided with a data acquisition system. If the situation that part of pipeline areas are affected by disasters exists in the image shot by the unmanned aerial vehicle system, operating the patrol vehicle to the affected areas to detect underground buried oil and gas pipelines, and if the situation that the oil and gas pipelines are abnormal is found, sending an alarm signal to a ground station; and according to the position of the inspection vehicle, the inspection vehicle goes to the area to further evaluate the oil and gas pipeline. The abnormal condition of the oil and gas pipeline is the condition that the oil and gas pipeline has large displacement or the condition of suspected fracture.
The patrol car is provided with a communication module which is used for transmitting the image to the ground station, and the communication module is a radio station communication antenna 4. Still be provided with orientation module on the inspection vehicle, orientation module is GPS antenna 3 for fix a position the position of inspection vehicle.
Be provided with the charging system who is used for carrying out automatic charging for unmanned aerial vehicle system on the unmanned aerial vehicle airport, be provided with unmanned aerial vehicle interface 6 that charges on the charging system, when unmanned aerial vehicle stopped at the vehicle-mounted platform of patrolling and examining, can fill unmanned aerial vehicle.
The inspection vehicle can carry on many shelves of unmanned aerial vehicle, can realize flying to two-way or multidirectional navigation of oil gas pipeline for patrol and examine speed, promote work efficiency.
The multifunctional detection module in the patrol car can also be used for detecting whether the leakage problem exists in the oil-gas pipeline or not and detecting the natural gas content in the air in the region.
The multifunctional detection module realizes the detection function of the underground oil and gas pipeline by carrying the high-frequency oscillator.
Principle of high-frequency oscillator for detecting metal: the gain potentiometer of the high-frequency oscillator is adjusted to just make the oscillator in a critical oscillation state, namely just make the oscillator start oscillation.
When the detection coil is close to a metal object, eddy current is generated in the metal conductor due to electromagnetic induction phenomenon, so that energy loss in an oscillation loop is increased, positive feedback is weakened, oscillation of the oscillator in a critical state is weakened, and even the oscillator cannot maintain the minimum energy required by oscillation and stops oscillation.
If the change is detected and converted into an acoustic signal, it is determined whether or not a metal object is present under the detection coil based on the presence or absence of the acoustic signal. And then comparing the detection result with the original installation position of the oil-gas pipeline to know whether the oil-gas pipeline deviates or deforms.
The invention realizes the detection of the natural gas content in the air by carrying a natural gas leakage laser remote sensing detector. During measurement, the natural gas leakage laser remote sensing detector points to an area to be measured, such as a reflector behind a pipeline, the earth surface and the like, receives a laser beam reflected by a leakage air mass to measure the integral absorption concentration of methane gas on a reflection path, so that the detection of the content of the natural gas in the air is realized, and the condition that whether an oil-gas pipeline is broken is further judged.
The method for safely inspecting the oil and gas pipeline is carried out based on the oil and gas pipeline safety inspection system and comprises the following steps:
s1, pre-analyzing the disaster area through a satellite image provided in a Chinese resource satellite application center to screen out the area affected by the disaster in a high-risk oil and gas pipeline area susceptible to the disaster or after the disaster occurs.
S2, because the resolution of the satellite image cannot meet the evaluation requirement on the oil-gas pipeline state, and the satellite image has poor timeliness, the dispatched patrol inspection vehicle carries the unmanned aerial vehicle to the disaster area.
S3, releasing the unmanned aerial vehicle after the patrol vehicle arrives at the disaster area, patrolling the unmanned aerial vehicle according to the oil and gas pipeline burying route, shooting the oil and gas pipeline through a camera carried by the unmanned aerial vehicle, transmitting the shot image to the patrol vehicle, and transmitting the image to the ground station through a communication module carried by the patrol vehicle.
S4, if an operator finds that a part of oil and gas pipeline areas are affected by disasters in the shot images, the inspection vehicle is operated to go to the affected areas, the oil and gas pipelines buried underground are detected through a radar in a multifunctional detection module carried by the inspection vehicle, if the oil and gas pipeline positions are found to have large displacement or suspected fracture and other conditions, an alarm signal is sent to a ground station, the operator can position the inspection vehicle according to a positioning module carried by the inspection vehicle, and the operator goes to the areas to further evaluate the oil and gas pipelines.
Claims (8)
1. Oil gas pipeline safety inspection system, its characterized in that includes:
the satellite system is used for pre-analyzing the disaster area through the provided satellite image and screening out the area which is affected by the disaster;
the unmanned aerial vehicle system is used for shooting and collecting information of the oil and gas pipeline and carrying out routing inspection according to an oil and gas pipeline burying route;
the inspection vehicle is used for receiving the image shot by the unmanned aerial vehicle system and sending the image to the ground station; the inspection vehicle is provided with an unmanned aerial vehicle airport for the unmanned aerial vehicle system to stay and a multifunctional detection module for detecting underground buried oil and gas pipelines; if the situation that part of pipeline areas are affected by disasters exists in the image shot by the unmanned aerial vehicle system, operating the patrol vehicle to the affected areas to detect underground buried oil and gas pipelines, and if the situation that the oil and gas pipelines are abnormal is found, sending an alarm signal to a ground station; and according to the position of the inspection vehicle, the inspection vehicle goes to the area to further evaluate the oil and gas pipeline.
2. The oil and gas pipeline safety inspection system according to claim 1, wherein the unmanned aerial vehicle system includes:
unmanned aerial vehicles, including multi-rotor unmanned aerial vehicles and tandem twin-propeller unmanned aerial vehicles;
the unmanned aerial vehicle is provided with a hyperspectral camera and is used for shooting the state of an oil-gas pipeline;
the unmanned aerial vehicle carries on the data acquisition system for receive the image information that unmanned aerial vehicle carried on the hyperspectral camera and shot, and carry on the image information transmission that the hyperspectral camera was shot with unmanned aerial vehicle to the inspection car.
3. The oil and gas pipeline safety inspection system according to claim 1, wherein a charging system for automatically charging the unmanned aerial vehicle system is provided at the unmanned aerial vehicle airport.
4. The oil and gas pipeline safety inspection system according to claim 1, wherein the inspection vehicle can carry a plurality of unmanned aerial vehicles, and can realize bidirectional or multidirectional aviation flight to oil and gas pipelines.
5. The safety inspection method for the oil and gas pipelines is characterized by being carried out based on the safety inspection system for the oil and gas pipelines as claimed in any one of claims 1 to 4, and comprising the following steps of:
s1, pre-analyzing the disaster area through a satellite image provided by a satellite system in a high-risk oil and gas pipeline area which is easily affected by the disaster or after the disaster happens, and screening out the area which is affected by the disaster;
s2, dispatching a patrol vehicle to carry the unmanned aerial vehicle to the disaster area;
s3, releasing the unmanned aerial vehicle after the inspection vehicle reaches the disaster area, inspecting the oil and gas pipeline by the unmanned aerial vehicle according to the oil and gas pipeline burying route, shooting the oil and gas pipeline by the unmanned aerial vehicle, transmitting the shot image to the inspection vehicle, and transmitting the image to the ground station by the inspection vehicle;
s4, if the situation that part of pipeline areas are affected by disasters exists in the image shot by the unmanned aerial vehicle system, operating the inspection vehicle to the affected areas to detect the underground buried oil and gas pipelines, and if the situation that the oil and gas pipelines are abnormal is found, sending an alarm signal to the ground station; and according to the position of the inspection vehicle, the inspection vehicle goes to the area to further evaluate the oil and gas pipeline.
6. The oil and gas pipeline safety inspection method according to claim 5, wherein the abnormal condition of the oil and gas pipeline is a condition that the oil and gas pipeline has a large displacement or a condition of suspected fracture.
7. The oil and gas pipeline safety inspection method according to claim 6, wherein the underground oil and gas pipeline is detected through a high-frequency oscillator carried by an inspection vehicle to judge whether the oil and gas pipeline deviates or deforms.
8. The safety inspection method for the oil and gas pipelines according to claim 6, characterized in that the content of natural gas in the air is detected through a natural gas leakage laser remote sensing detector carried by an inspection vehicle, and whether the oil and gas pipelines break or not is judged.
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Inventor after: Wang Feng Inventor after: Sun Liwei Inventor after: Zhao Jie Inventor after: Dai bingtao Inventor after: Wang Xiaobin Inventor before: Wang Feng |