CN113639209A - Intermittent oil pipeline detection system and method - Google Patents
Intermittent oil pipeline detection system and method Download PDFInfo
- Publication number
- CN113639209A CN113639209A CN202010390879.0A CN202010390879A CN113639209A CN 113639209 A CN113639209 A CN 113639209A CN 202010390879 A CN202010390879 A CN 202010390879A CN 113639209 A CN113639209 A CN 113639209A
- Authority
- CN
- China
- Prior art keywords
- time
- oil
- signal
- infrasound
- beidou
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000001514 detection method Methods 0.000 title claims description 27
- 238000005086 pumping Methods 0.000 claims abstract description 39
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 34
- 238000012546 transfer Methods 0.000 claims abstract description 30
- 238000012545 processing Methods 0.000 claims description 32
- 238000004891 communication Methods 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 13
- 238000012544 monitoring process Methods 0.000 description 8
- 238000004590 computer program Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The application discloses a system and a method for detecting an intermittent oil conveying pipeline, wherein infrasonic sensors are arranged in an upstream pressurizing station and a downstream oil transfer station to acquire infrasonic signals of an oil field gathering and conveying pipeline; and when the oil field gathering and transportation pipeline is in the oil pumping state, the infrasound signal is further processed by a low-pass filter in the monitoring center to eliminate strong noise interference in the pipeline so as to detect whether the pipeline is leaked or not by the recognizer in real time. The leakage condition of the oil pipeline from the oil field booster station to the oil transfer station under strong background noise is simply and conveniently detected, and the anti-interference capability is strong.
Description
Technical Field
The application relates to the technical field of sound wave measurement, in particular to an intermittent oil pipeline detection system and method.
Background
This section is intended to provide a background or context to the embodiments of the application that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
The construction of the oil field gathering and transportation pipeline is limited by the capacity construction and the oil field geographic environment, the pipeline running pressure, the transmission medium, the pipe diameter and the pipeline with a longer laying path are far away, the pipeline has the problems of mountain-climbing and mountain-crossing, ditch crossing, road bridge crossing and the like, which cause the extremely unstable transportation pressure, the pressure difference at two ends is small, the pressure at the tail end is almost normal pressure, and intermittent oil transportation, namely, the buffer tanks of the oil field booster station alternately work in an oil pumping (oil transportation) state and a pump stopping (oil transportation stopping) state at unequal intervals, which brings great challenges to the online monitoring of pipeline leakage, especially the leakage monitoring and signal identification of the pipeline between the oil field booster station and the oil transfer station, and the infrasonic signal background noise intensity is large under the influences of the height difference caused by the start and stop of the pump of the booster station and the hill-crossing, the human activities caused by the road crossing, the friction between the fluid in the pipeline and the pipe wall and the like, leakage signals are often submerged, leakage information cannot be accurately judged, and no corresponding mature technical means for solving the leakage problem of the pipeline exists at present.
Disclosure of Invention
The intermittent oil conveying pipeline detection system and method are provided for the detection requirement of the intermittent strong noise leakage signal of the oil conveying pipeline from the oil field booster station to the oil transfer station.
An embodiment of an aspect of the present invention provides an intermittent oil pipeline detection system, including:
the system comprises a monitoring center, an upstream pressurizing station and a downstream oil transfer station, wherein the upstream pressurizing station and the downstream oil transfer station are respectively arranged at the upstream and the downstream of an oil field gathering and transportation pipeline;
the upstream pressurizing station and the downstream oil transfer station respectively comprise a primary sound sensor and a time recorder; each time recorder is used for recording time point data of the infrasound signal collected by the corresponding infrasound sensor;
and the monitoring center receives the time point data recorded by the two time recorders, performs time unified processing on the two time point data, and judges whether the oil field gathering and transportation pipeline is in an oil pumping state or a pump stopping state according to the time point data after the unified processing.
In some embodiments, the monitoring center further comprises a low-pass filter, and when the oilfield gathering and transportation pipeline is in an oil pumping state, the low-pass filter performs digital signal processing on the infrasound signal to eliminate strong noise interference.
In some embodiments, the monitoring center is further configured to compare the signal after the signal digital processing with the background noise in the oilfield gathering and transportation pipeline, and when the amplitude of the processed signal exceeds the set threshold of the amplitude, determine that the processed signal is a leakage signal, where the set threshold of the amplitude is the amplitude of the set filtered background noise.
In some embodiments, the monitoring center is further configured to issue an alarm signal and determine the location of the leak after the leak signal is determined.
In some embodiments, the upstream booster station includes a first secondary acoustic sensor, a first Beidou system, and a first data collector; the first secondary acoustic sensor and the first Beidou system are respectively in signal connection with the first data acquisition unit; the first primary acoustic sensor is used for acquiring infrasound signals generated at the upstream of the oil field gathering and transportation pipeline, and the first Beidou time system is used for recording the time of the infrasound signals acquired by the first primary acoustic sensor;
the downstream oil transfer station comprises a second secondary acoustic sensor, a second Beidou time system and a second data acquisition unit; the second secondary acoustic sensor and the second Beidou system are respectively in signal connection with the second data acquisition unit; the second secondary acoustic sensor is used for acquiring infrasound signals generated at the downstream of the oil field gathering and transportation pipeline, and the second Beidou time system is used for recording the time of the infrasound signals acquired by the second secondary acoustic sensor;
the monitoring center comprises a data communication switch, a third Beidou system, a server, a data processor, a low-pass filter and a detection identifier; the data communication switch is in signal connection with the third Beidou time system, and the third Beidou time system is in signal connection with the server and the data processor respectively; the low-pass filter is respectively in signal connection with the data processor and the detection identifier;
and the first data collector and the second data collector are respectively in signal connection with the data communication switch.
In another aspect, an embodiment of the present invention provides an intermittent oil pipeline detection method of an intermittent oil pipeline detection system, where the method includes the following steps:
time recorders of the upstream pressurizing station and the downstream oil transfer station respectively record time point data of the infrasound signals collected by the corresponding infrasound sensors;
the monitoring center receives the time point data recorded by the two time recorders and performs time unified processing on the two time point data;
and judging that the oil field gathering and transportation pipeline is in an oil pumping state or a pump stopping state according to the uniformly processed time point data.
In certain embodiments, when the oilfield gathering conduit is in an oil pumping state, the method further comprises:
the low pass filter performs digital signal processing on the infrasound signal to eliminate strong noise interference.
In certain embodiments, the method further comprises:
and the monitoring center compares the signal after signal digital processing with the background noise in the oil field gathering and transportation pipeline, and when the amplitude of the processed signal exceeds the amplitude set threshold, the processed signal is judged to be a leakage signal, and the amplitude set threshold is the amplitude of the background noise after set filtering.
In certain embodiments, the method further comprises:
and after the monitoring center determines the leakage signal, sending an alarm signal and determining the leakage position.
In certain embodiments, the method comprises the steps of:
the first-time acoustic sensor acquires infrasound signals at the upstream of the gathering and transportation pipeline of the oil field, and the first Beidou time system records the time of the infrasound signals acquired by the first-time acoustic sensor; the first data collector sends the time recorded by the first Beidou time system and the infrasound signal collected by the first time sound sensor to a third Beidou time system and a server through a data communication switch, and the server stores the time recorded by the first Beidou time system and the infrasound signal collected by the first time sound sensor;
the second secondary acoustic sensor collects infrasound signals generated at the downstream of the oil field gathering and transportation pipeline, and the second Beidou time system records the time of the second secondary acoustic sensor for collecting the infrasound signals; the second data collector sends the time recorded by the second Beidou system (32) and the infrasound signal acquired by the second secondary sound sensor to the third Beidou system and the server through the data communication switch, and the server stores the time recorded by the second Beidou system and the infrasound signal acquired by the second secondary sound sensor;
the third Beidou time system sends infrasound signals collected by the first secondary sound sensor and infrasound signals collected by the second secondary sound sensor to the data processor after unifying time;
the data processor judges that the oil field gathering and transportation pipeline is in an oil pumping state or a pump stopping state; and when the oil field gathering and transportation pipeline is in an oil pumping state, the data processor processes the infrasound signals collected by the first time acoustic sensor and the infrasound signals collected by the second time acoustic sensor after the time is unified through a low-pass filter to obtain digital signals.
In summary, the embodiment of the present application provides a system and a method for detecting an intermittent oil pipeline, which are respectively arranged at an upstream booster station and a downstream oil transfer station of an oil field gathering and transportation pipeline through a monitoring center; the upstream pressurizing station and the downstream oil transfer station respectively comprise a primary sound sensor and a time recorder; each time recorder is used for recording time point data of the infrasound signal collected by the corresponding infrasound sensor; and the monitoring center receives the time point data recorded by the two time recorders, performs time unified processing on the two time point data, and judges whether the oil field gathering and transportation pipeline is in an oil pumping state or a pump stopping state according to the time point data after the unified processing. The infrasound sensors are arranged in an upstream pressurizing station and a downstream oil transfer station to acquire infrasound signals of the oil field gathering and transportation pipeline; and when the oil field gathering and transportation pipeline is in the oil pumping state, the infrasound signal is further processed by a low-pass filter in the monitoring center to eliminate strong noise interference in the pipeline so as to detect whether the pipeline is leaked or not by the recognizer in real time. The leakage condition of the oil pipeline from the oil field booster station to the oil transfer station under strong background noise is simply and conveniently detected, and the anti-interference capability is strong.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
FIG. 1 is a block diagram of an intermittent oil pipeline detection system provided in an embodiment of the present application;
FIGS. 2a and 2b are waveforms of 12-hour data collected by two infrasound sensors provided in the embodiments of the present application;
FIG. 3 is a graph of amplitude-frequency characteristics of a low-pass filter implementation provided in an embodiment of the present application;
FIG. 4 is a comparison waveform diagram before and after filtering of a monitoring leakage signal in an oil pumping state of an oilfield booster station provided in an embodiment of the present application;
fig. 5 is a schematic flow chart of an intermittent oil pipeline detection method provided in the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The principles and spirit of the present application are explained in detail below with reference to several representative embodiments of the present application.
Although the present application provides method operational steps or apparatus configurations as illustrated in the following examples or figures, more or fewer operational steps or modular units may be included in the methods or apparatus based on conventional or non-inventive efforts. In the case of steps or structures which do not logically have the necessary cause and effect relationship, the execution sequence of the steps or the module structure of the apparatus is not limited to the execution sequence or the module structure shown in the embodiment or the drawings of the present application. The described methods or modular structures, when applied in an actual device or end product, may be executed sequentially or in parallel according to embodiments or the methods or modular structures shown in the figures.
The embodiment of the application provides a system and a method for detecting an intermittent oil conveying pipeline, aiming at the detection requirement of an intermittent strong noise leakage signal of an oil conveying pipeline from an oil field booster station to an oil transfer station. Infrasound sensors are arranged in an upstream pressurizing station and a downstream oil transfer station to acquire infrasound signals of oil field gathering and transportation pipelines; and when the oil field gathering and transportation pipeline is in the oil pumping state, the infrasound signal is further processed by a low-pass filter in the monitoring center to eliminate strong noise interference in the pipeline so as to detect whether the pipeline is leaked or not by the recognizer in real time. The embodiment of the application provides an intermittent oil pipeline detection system and method which are high in anti-interference capacity, and field test data analysis shows that leakage of an oil pipeline from an oil field booster station to a transfer station under high background noise can be accurately detected.
Fig. 1 is an intermittent oil pipeline detection system provided in an embodiment of the present application, and as shown in fig. 1, the system includes:
a monitoring center 4, an upstream pressurizing station 2 and a downstream oil transfer station 3 which are respectively arranged at the upstream and the downstream of the oil field gathering and transportation pipeline 1;
the upstream pressurizing station 2 and the downstream oil transfer station 3 both comprise a primary sound sensor and a time recorder; each time recorder is used for recording time point data of the infrasound signal collected by the corresponding infrasound sensor;
the monitoring center 4 receives the time point data recorded by the two time recorders, performs time unified processing on the two time point data, and judges whether the oilfield gathering and transportation pipeline 1 is in an oil pumping state or a pump stopping state according to the time point data after the unified processing.
In a possible embodiment, the monitoring center 4 further comprises a low-pass filter 45, and when the oilfield gathering and transportation pipeline 1 is in the oil pumping state, the low-pass filter 45 performs digital signal processing on the infrasound signal to eliminate strong noise interference.
In a possible implementation manner, the monitoring center 4 is further configured to compare the signal after signal digital processing with the background noise in the oilfield gathering and transportation pipeline 1, and when the amplitude of the processed signal exceeds the set threshold of the amplitude, determine that the processed signal is a leakage signal, where the set threshold of the amplitude is the amplitude of the set filtered background noise.
In a possible embodiment, the monitoring center 4 is also used to issue an alarm signal and determine the location of the leak after the leak signal is determined.
In a possible embodiment, the upstream booster station 2 comprises a first secondary acoustic sensor 21, a first beidou system 22 and a first data collector 23; the first secondary acoustic sensor 21 and the first beidou time system 22 are respectively in signal connection with the first data acquisition unit 23; the first primary acoustic sensor 21 is used for acquiring infrasound signals generated at the upstream of the oilfield gathering and transportation pipeline 1, and the first Beidou time system 22 is used for recording the time of the infrasound signals acquired by the first primary acoustic sensor 21; the downstream oil transfer station 3 comprises a second secondary acoustic sensor 31, a second Beidou time system 32 and a second data acquisition unit 33; the second secondary acoustic sensor 31 and the second beidou time system 32 respectively establish signal connection with the second data acquisition unit 33; the second secondary acoustic sensor 31 is used for acquiring infrasound signals generated at the downstream of the oil field gathering and transportation pipeline 1, and the second Beidou time system 32 is used for recording the time of the infrasound signals acquired by the second secondary acoustic sensor 31; the monitoring center 4 comprises a data communication switch 41, a third Beidou system 42, a server 43, a data processor 44, a low-pass filter 45 and a detection identifier 46; the data communication switch 41 establishes signal connection with the third beidou time system 42, and the third beidou time system 42 establishes signal connection with the server 43 and the data processor 44 respectively; the low-pass filter 45 is respectively in signal connection with the data processor 44 and the detection identifier 46; the first data collector 23 and the second data collector 33 are respectively in signal connection with the data communication switch 41; the first data collector 23 is configured to send the time recorded by the first beidou time system 22 and the infrasound signal collected by the first infrasound sensor 21 to a third beidou time system 42 and the server 43 through the data communication switch 41; the second data collector 33 is configured to send the time recorded by the second beidou time system 32 and the infrasound signal collected by the second secondary acoustic sensor 31 to the third beidou time system 42 and the server 43 through the data communication switch 41; the server 43 is configured to store the time recorded by the first beidou system 22, the infrasound signal acquired by the first infrasound sensor 21, the time recorded by the second beidou system 32, and the infrasound signal acquired by the second infrasound sensor 31; the third beidou time system 42 is configured to unify the infrasound signal acquired by the first secondary acoustic sensor 21 and the infrasound signal acquired by the second secondary acoustic sensor 31 for a certain time; the data processor 44 judges that the oilfield gathering and transportation pipeline 1 is in an oil pumping state or a pump stopping state according to the infrasound signals after the unified time; when in the oil pumping state, the low-pass filter 45 performs digital signal processing on the infrasound signal.
The embodiment of the application also provides an intermittent oil pipeline monitoring method, which uses the pipeline monitoring system and comprises the following steps:
step 1: the first-time acoustic sensor acquires infrasound signals generated at the upstream of the oil field gathering and transportation pipeline, and the first Beidou time system records the time of the infrasound signals acquired by the first-time acoustic sensor; the time recorded by the first Beidou time system and the infrasound signal collected by the first time sound sensor are sent to the third Beidou time system and the server through the data communication switch by the first data collector, and the time recorded by the first Beidou time system and the infrasound signal collected by the first time sound sensor are stored by the server.
Step 2: the second acoustic sensor collects infrasound signals generated at the downstream of the oil field gathering and transportation pipeline, and the second Beidou time system records the time of the infrasound signals collected by the second acoustic sensor; the second data acquisition unit sends the time recorded by the second Beidou time system and the infrasound signal acquired by the second secondary sound sensor to a third Beidou time system and a server through a data communication switch, and the server stores the time recorded by the second Beidou time system and the infrasound signal acquired by the second secondary sound sensor.
And step 3: the third Beidou time system unifies the infrasound signal collected by the first secondary sound sensor and the infrasound signal collected by the second secondary sound sensor and then sends the infrasound signals to the data processor; the data processor judges whether the oil field gathering and transportation pipeline is in an oil pumping state or a pump stopping state.
And 4, step 4: when the oil field gathering and transportation pipeline is in an oil pumping state, the data processor enables infrasound signals collected by the first time acoustic sensor and infrasound signals collected by the second time acoustic sensor after the time is unified to be subjected to digital signal processing through the low-pass filter.
And 5: the low-pass filter outputs the processed signal to the detection identifier, and if the amplitude of the output signal is obviously stronger than that of background noise after filtering, the detection identifier judges that a leakage signal exists.
On the basis of the scheme, further, in the step 3, an oil pumping threshold value M is set according to the working condition of the buffer tank of the oil field booster station, and when the amplitude of the infrasound signal collected by the first-time sound sensor and the amplitude of the infrasound signal collected by the second-time sound sensor exceed M, the data processor judges that the oil field gathering and transportation pipeline is in an oil pumping state.
On the basis of the above scheme, further, in step 5, a threshold m is set according to the amplitude of the filtered background noise, and when the amplitude of the processed signal exceeds m, the signal is determined to be a leakage signal.
The infrasound sensor is arranged on the oil field gathering and transporting pipeline to collect infrasound signals, the monitoring center is used for time unification of the infrasound signals, the oil field gathering and transporting pipeline is judged to be in an oil pumping state or a pump stopping state, when the infrasound signals are in the oil pumping state, the infrasound signals are further processed by the low-pass filter to eliminate strong noise interference in the pipeline, and therefore the detection recognizer can diagnose whether the pipeline leaks or not in real time. The invention has strong anti-interference capability, and the field test data analysis shows that the invention can well detect the leakage signal under the strong background noise of the oil pipeline from the oil field booster station to the oil transfer station.
Based on the intermittent oil pipeline monitoring system, the embodiment of the application also provides another embodiment of the intermittent oil pipeline monitoring method, which specifically comprises the following steps:
step 1: the first sub-acoustic sensor 21 collects infrasound signals generated at the upstream of the oilfield gathering and transportation pipeline 1, and the first Beidou time system 22 records the time of the infrasound signals collected by the first sub-acoustic sensor 21; the first data acquisition unit 23 sends the time recorded by the first Beidou system 22 and the infrasound signal acquired by the first infrasound sensor 21 to the third Beidou system 42 and the server 43 through the data communication switch 41, and the server 43 stores the time recorded by the first Beidou system 22 and the infrasound signal acquired by the first infrasound sensor 21.
Step 2: the second secondary acoustic sensor 31 collects infrasound signals generated at the downstream of the oil field gathering and transportation pipeline 1, and the second Beidou time system 32 records the time of the infrasound signals collected by the second secondary acoustic sensor 31; the second data collector 33 sends the time recorded by the second Beidou system 32 and the infrasound signal collected by the second secondary sound sensor 31 to the third Beidou system 42 and the server 43 through the data communication switch 41, and the server 43 stores the time recorded by the second Beidou system 32 and the infrasound signal collected by the second secondary sound sensor 31.
Fig. 2a and 2b provide waveform diagrams of 12-hour data collected by the first acoustic sensor 21 and the second acoustic sensor 31, and it can be seen from the diagrams that the background noise of the oil pipeline monitored in the oil pumping state is large, and the background noise of the oil pipeline monitored in the pump stopping state is small.
And step 3: the third beidou time system 42 unifies the infrasound signals collected by the first secondary acoustic sensor 21 and the infrasound signals collected by the second secondary acoustic sensor 31; the data processor 44 judges that the oilfield gathering and transportation pipeline 1 is in an oil pumping state or a pump stopping state according to the infrasound signals after the unified time; the method for judging the working condition of the oil field gathering and transportation pipeline 1 by the data processor 44 comprises the following steps: and testing and debugging on the spot according to the working condition environment to obtain the oil pumping threshold value M, and when the amplitude values of the infrasound signals collected by the first secondary acoustic sensor 21 and the infrasound signals collected by the second secondary acoustic sensor 31 exceed M preset in the data processor 44, the data processor 44 judges that the oil field gathering and transportation pipeline 1 is in the oil pumping state.
And 4, step 4: when the oil field gathering and transportation pipeline 1 is in an oil pumping state, the data processor 44 enables infrasound signals collected by the first secondary acoustic sensor 21 and infrasound signals collected by the second secondary acoustic sensor 31 after the unified time to be subjected to digital signal processing through the low-pass filter 45; fig. 3 is a graph of amplitude-frequency characteristics of a low-pass filter implementation provided in an embodiment of the present application.
And 5: the low-pass filter 45 outputs the processed signal to the detection identifier 46, the output signal is background noise which may include a leakage signal, and if the amplitude of the output signal is obviously stronger than that of the background noise after filtering, the detection identifier 46 determines that the leakage signal is present. And setting a threshold value m according to the amplitude of the filtered background noise, and judging as a leakage signal when the amplitude of the processed signal exceeds m. Fig. 4 is a comparison waveform diagram before and after filtering of a monitoring leakage signal in an oil pumping state of an oil field booster station provided in the embodiment of the present application.
Further, after a leak has occurred, the data processor 44 issues an alarm signal and quickly locates the leak.
In summary, the embodiment of the present application provides an intermittent oil pipeline detection system, which is configured by a monitoring center, and an upstream pressure boosting station and a downstream oil transfer station that are respectively arranged at the upstream and downstream of an oil field gathering and transportation pipeline; the upstream pressurizing station and the downstream oil transfer station respectively comprise a primary sound sensor and a time recorder; each time recorder is used for recording time point data of the infrasound signal collected by the corresponding infrasound sensor; and the monitoring center receives the time point data recorded by the two time recorders, performs time unified processing on the two time point data, and judges whether the oil field gathering and transportation pipeline is in an oil pumping state or a pump stopping state according to the time point data after the unified processing. The infrasound sensors are arranged in an upstream pressurizing station and a downstream oil transfer station to acquire infrasound signals of the oil field gathering and transportation pipeline; and when the oil field gathering and transportation pipeline is in the oil pumping state, the infrasound signal is further processed by a low-pass filter in the monitoring center to eliminate strong noise interference in the pipeline so as to detect whether the pipeline is leaked or not by the recognizer in real time. The leakage condition of the oil pipeline from the oil field booster station to the oil transfer station under strong background noise is simply and conveniently detected, and the anti-interference capability is strong.
Based on the same technical concept, the embodiment of the present application provides a schematic flow chart of an intermittent oil pipeline detection method, as shown in fig. 5, the method includes the following steps:
step 501: time recorders of the upstream pressurizing station 2 and the downstream oil transfer station 3 respectively record time point data of the infrasonic signals collected by the corresponding infrasonic sensors.
Step 502: the monitoring center 4 receives the time point data recorded by the two time recorders, and performs time unified processing on the two time point data.
Step 503: and judging that the oil field gathering and transportation pipeline 1 is in an oil pumping state or a pump stopping state according to the uniformly processed time point data.
In one possible embodiment, when the oilfield gathering line 1 is in the pumped state, the method further comprises:
the low pass filter 45 performs digital signal processing on the infrasound signal to reject strong noise interference.
In one possible embodiment, the method further comprises: the monitoring center 4 compares the signal after the signal digital processing with the background noise in the oil field gathering and transportation pipeline 1, when the amplitude of the processed signal exceeds the amplitude set threshold, the processed signal is judged to be a leakage signal, and the amplitude set threshold is the amplitude of the background noise after the setting filtering.
In one possible embodiment, the method further comprises: after the monitoring center 4 determines the leakage signal, it sends out an alarm signal and determines the leakage position.
In one possible embodiment, the method comprises the following steps:
step A: the first primary acoustic sensor 21 collects infrasound signals at the upstream of the oilfield gathering and transportation pipeline 1, and the first Beidou time system 22 records the time of the infrasound signals collected by the first primary acoustic sensor 21; the first data acquisition unit 23 sends the time recorded by the first Beidou system 22 and the infrasound signal acquired by the first infrasound sensor 21 to a third Beidou system 42 and a server 43 through a data communication switch 41, and the server 43 stores the time recorded by the first Beidou system 22 and the infrasound signal acquired by the first infrasound sensor 21;
and B: the second secondary acoustic sensor 31 collects infrasound signals generated at the downstream of the oilfield gathering and transportation pipeline 1, and the second Beidou time system 32 records the time of the second secondary acoustic sensor 31 for collecting the infrasound signals; the second data collector 33 sends the time recorded by the second beidou system 32 and the infrasound signal collected by the second secondary sound sensor 31 to the third beidou system 42 and the server 43 through the data communication switch 41, and the server 43 stores the time recorded by the second beidou system 32 and the infrasound signal collected by the second secondary sound sensor 31;
and C: the third beidou time system 42 sends the infrasound signal collected by the first secondary acoustic sensor 21 and the infrasound signal collected by the second secondary acoustic sensor 31 to the data processor 44 after unifying the time;
step D: the data processor 44 judges that the oilfield gathering and transportation pipeline 1 is in an oil pumping state or a pump stopping state; when the oil field gathering and transportation pipeline 1 is in an oil pumping state, executing the step E;
step E: the data processor 44 performs digital signal processing on the infrasound signal collected by the first infrasound sensor 21 and the infrasound signal collected by the second infrasound sensor 31 after the time integration through a low-pass filter 45.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therewith, including but not limited to disk storage, CD-ROM, optical storage, and the like.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus systems, and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above-mentioned embodiments are further described in detail for the purpose of illustrating the invention, and it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An intermittent oil pipeline detection system, the system comprising:
the system comprises a monitoring center, an upstream pressurizing station and a downstream oil transfer station, wherein the upstream pressurizing station and the downstream oil transfer station are respectively arranged at the upstream and the downstream of an oil field gathering and transportation pipeline;
the upstream pressurizing station and the downstream oil transfer station respectively comprise a primary sound sensor and a time recorder; each time recorder is used for recording time point data of the infrasound signal collected by the corresponding infrasound sensor;
and the monitoring center receives the time point data recorded by the two time recorders, performs time unified processing on the two time point data, and judges whether the oil field gathering and transportation pipeline is in an oil pumping state or a pump stopping state according to the time point data after the unified processing.
2. The system of claim 1, wherein the monitoring center further comprises a low pass filter that digitally processes the infrasonic signals to reject strong noise interference when the oilfield gathering line is in an oil pumping condition.
3. The system of claim 2, wherein the monitoring center is further configured to compare the signal after digital processing with the background noise in the oilfield gathering and transportation pipeline, and when the amplitude of the processed signal exceeds the set threshold value, determine that the processed signal is a leakage signal, and the set threshold value is set to be the amplitude of the filtered background noise.
4. The system of claim 2, wherein the monitoring center is further configured to issue an alarm signal and determine the location of the leak after the leak signal is determined.
5. The system of claim 1, wherein the upstream booster station comprises a first sub-acoustic sensor, a first Beidou system, and a first data collector; the first secondary acoustic sensor and the first Beidou system are respectively in signal connection with the first data acquisition unit; the first primary acoustic sensor is used for acquiring infrasound signals generated at the upstream of the oil field gathering and transportation pipeline, and the first Beidou time system is used for recording the time of the infrasound signals acquired by the first primary acoustic sensor;
the downstream oil transfer station comprises a second secondary acoustic sensor, a second Beidou time system and a second data acquisition unit; the second secondary acoustic sensor and the second Beidou system are respectively in signal connection with the second data acquisition unit; the second secondary acoustic sensor is used for acquiring infrasound signals generated at the downstream of the oil field gathering and transportation pipeline, and the second Beidou time system is used for recording the time of the infrasound signals acquired by the second secondary acoustic sensor;
the monitoring center comprises a data communication switch, a third Beidou system, a server, a data processor, a low-pass filter and a detection identifier; the data communication switch is in signal connection with the third Beidou time system, and the third Beidou time system is in signal connection with the server and the data processor respectively; the low-pass filter is respectively in signal connection with the data processor and the detection identifier;
and the first data collector and the second data collector are respectively in signal connection with the data communication switch.
6. The intermittent oil transportation pipeline inspection method based on the intermittent oil transportation pipeline inspection system according to any one of claims 1 to 5, characterized by comprising the steps of:
time recorders of the upstream pressurizing station and the downstream oil transfer station respectively record time point data of the infrasound signals collected by the corresponding infrasound sensors;
the monitoring center receives the time point data recorded by the two time recorders and performs time unified processing on the two time point data;
and judging that the oil field gathering and transportation pipeline is in an oil pumping state or a pump stopping state according to the uniformly processed time point data.
7. The intermittent oil transportation pipeline inspection method of claim 6, wherein when the oil field gathering and transportation pipeline is in an oil pumping state, the method further comprises:
the low pass filter performs digital signal processing on the infrasound signal to eliminate strong noise interference.
8. The intermittent oil transportation pipeline detecting method as set forth in claim 7, further comprising:
and the monitoring center compares the signal after signal digital processing with the background noise in the oil field gathering and transportation pipeline, and when the amplitude of the processed signal exceeds the amplitude set threshold, the processed signal is judged to be a leakage signal, and the amplitude set threshold is the amplitude of the background noise after set filtering.
9. The intermittent oil transportation pipeline detecting method as set forth in claim 7, further comprising:
and after the monitoring center determines the leakage signal, sending an alarm signal and determining the leakage position.
10. The intermittent oil transportation pipeline inspection method as set forth in claim 6, which comprises the steps of:
the first-time acoustic sensor acquires infrasound signals at the upstream of the gathering and transportation pipeline of the oil field, and the first Beidou time system records the time of the infrasound signals acquired by the first-time acoustic sensor; the first data collector sends the time recorded by the first Beidou time system and the infrasound signal collected by the first time sound sensor to a third Beidou time system and a server through a data communication switch, and the server stores the time recorded by the first Beidou time system and the infrasound signal collected by the first time sound sensor;
the second secondary acoustic sensor collects infrasound signals generated at the downstream of the oil field gathering and transportation pipeline, and the second Beidou time system records the time of the second secondary acoustic sensor for collecting the infrasound signals; the second data collector sends the time recorded by the second Beidou system (32) and the infrasound signal acquired by the second secondary sound sensor to the third Beidou system and the server through the data communication switch, and the server stores the time recorded by the second Beidou system and the infrasound signal acquired by the second secondary sound sensor;
the third Beidou time system sends infrasound signals collected by the first secondary sound sensor and infrasound signals collected by the second secondary sound sensor to the data processor after unifying time;
the data processor judges that the oil field gathering and transportation pipeline is in an oil pumping state or a pump stopping state; and when the oil field gathering and transportation pipeline is in an oil pumping state, the data processor processes the infrasound signals collected by the first time acoustic sensor and the infrasound signals collected by the second time acoustic sensor after the time is unified through a low-pass filter to obtain digital signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010390879.0A CN113639209A (en) | 2020-05-11 | 2020-05-11 | Intermittent oil pipeline detection system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010390879.0A CN113639209A (en) | 2020-05-11 | 2020-05-11 | Intermittent oil pipeline detection system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113639209A true CN113639209A (en) | 2021-11-12 |
Family
ID=78415246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010390879.0A Pending CN113639209A (en) | 2020-05-11 | 2020-05-11 | Intermittent oil pipeline detection system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113639209A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6530263B1 (en) * | 2000-09-29 | 2003-03-11 | Radcom Technologies Ltd | Method and system for localizing and correlating leaks in fluid conveying conduits |
| CN201273457Y (en) * | 2008-09-27 | 2009-07-15 | 中国石油天然气股份有限公司 | Pipe leakage monitoring device |
| CN101487567A (en) * | 2008-01-18 | 2009-07-22 | 北京世纪华扬能源科技有限公司 | Acoustic wave leakage detecting and positioning device |
| CN101551064A (en) * | 2009-05-22 | 2009-10-07 | 重庆大学 | Water supply pipe leakage detection locating signal processing method |
| CN102242872A (en) * | 2011-06-22 | 2011-11-16 | 东北大学 | Oil transportation pipeline network leakage detection method based on generalized fuzzy hyperbolic model |
| CN102563361A (en) * | 2012-01-18 | 2012-07-11 | 中国石油大学(华东) | Device and method for detecting and positioning leakage of gas transmission pipeline based on conventional data and sound wave signals |
| CN202613063U (en) * | 2012-05-21 | 2012-12-19 | 天津市天大精密科技有限公司 | Pressure pipeline leakage monitoring device |
| CN104500984A (en) * | 2014-12-30 | 2015-04-08 | 北京科创三思科技发展有限公司 | Sub-high pressure A gas pipeline leakage monitoring system |
| CN106151887A (en) * | 2016-07-01 | 2016-11-23 | 北京华科合创科技发展有限公司 | A kind of gas oil pipe leakage comprehensive monitor system |
| CN106704834A (en) * | 2016-12-28 | 2017-05-24 | 吉林省百瑞生科技发展有限公司 | Device and method for infrasonic monitoring and pipe leakage positioning |
| CN109737317A (en) * | 2018-11-20 | 2019-05-10 | 吉林省百瑞生科技发展有限公司 | The infrasound positioning system and method for fluid line leakage |
| CN110107816A (en) * | 2018-02-01 | 2019-08-09 | 北京声创新技术发展有限责任公司 | Oil and gas pipeline pipe cleaner/detector infrasonic sound real-time tracking positioning system and method |
-
2020
- 2020-05-11 CN CN202010390879.0A patent/CN113639209A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6530263B1 (en) * | 2000-09-29 | 2003-03-11 | Radcom Technologies Ltd | Method and system for localizing and correlating leaks in fluid conveying conduits |
| CN101487567A (en) * | 2008-01-18 | 2009-07-22 | 北京世纪华扬能源科技有限公司 | Acoustic wave leakage detecting and positioning device |
| CN201273457Y (en) * | 2008-09-27 | 2009-07-15 | 中国石油天然气股份有限公司 | Pipe leakage monitoring device |
| CN101551064A (en) * | 2009-05-22 | 2009-10-07 | 重庆大学 | Water supply pipe leakage detection locating signal processing method |
| CN102242872A (en) * | 2011-06-22 | 2011-11-16 | 东北大学 | Oil transportation pipeline network leakage detection method based on generalized fuzzy hyperbolic model |
| CN102563361A (en) * | 2012-01-18 | 2012-07-11 | 中国石油大学(华东) | Device and method for detecting and positioning leakage of gas transmission pipeline based on conventional data and sound wave signals |
| CN202613063U (en) * | 2012-05-21 | 2012-12-19 | 天津市天大精密科技有限公司 | Pressure pipeline leakage monitoring device |
| CN104500984A (en) * | 2014-12-30 | 2015-04-08 | 北京科创三思科技发展有限公司 | Sub-high pressure A gas pipeline leakage monitoring system |
| CN106151887A (en) * | 2016-07-01 | 2016-11-23 | 北京华科合创科技发展有限公司 | A kind of gas oil pipe leakage comprehensive monitor system |
| CN106704834A (en) * | 2016-12-28 | 2017-05-24 | 吉林省百瑞生科技发展有限公司 | Device and method for infrasonic monitoring and pipe leakage positioning |
| CN110107816A (en) * | 2018-02-01 | 2019-08-09 | 北京声创新技术发展有限责任公司 | Oil and gas pipeline pipe cleaner/detector infrasonic sound real-time tracking positioning system and method |
| CN109737317A (en) * | 2018-11-20 | 2019-05-10 | 吉林省百瑞生科技发展有限公司 | The infrasound positioning system and method for fluid line leakage |
Non-Patent Citations (1)
| Title |
|---|
| 蔡永军等: "输油管道泄漏监测系统的性能影响因素分析", 油气田地面工程, vol. 37, no. 10 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100404937C (en) | Diagnostic system and method for a valve, especially a check valve of a positive displacement pump | |
| KR100426227B1 (en) | Methods, devices and systems for identifying subjects | |
| CN101487567B (en) | Acoustic wave leakage detecting and positioning device | |
| JP3046426B2 (en) | Monitoring equipment for plant equipment | |
| EA028210B1 (en) | Method and system for the continuous remote monitoring of the position and advance speed of a pig device inside a pipeline | |
| CN101959115B (en) | Method and arrangement for detecting, localizing and classifying defects of a device under test | |
| AU2022100050A4 (en) | Optical acoustic sensing system and method | |
| US8638226B2 (en) | Method and device for determining a leak in a system component and/or for determining a state of a system component | |
| CN106015949A (en) | Sound wave pipeline leakage monitoring system | |
| CN114183226B (en) | Efficiency monitoring method and device for particle catcher, electronic equipment and storage medium | |
| WO2015072130A1 (en) | Leakage determination system and leakage determination method | |
| JP6248933B2 (en) | Leakage inspection apparatus, leakage inspection method, and leakage inspection program | |
| CN103032626A (en) | System and method for diagnosing fault of adjusting valve | |
| CN113639209A (en) | Intermittent oil pipeline detection system and method | |
| Martini et al. | Vibration monitoring as a tool for leak detection in water distribution networks | |
| JP6789042B2 (en) | How to identify the location of the leak | |
| CN110031208B (en) | Method and device for diagnosing fault of relay valve | |
| WO2017188074A1 (en) | Leakage site analyzing system, leakage site analyzing method, leakage site analyzing device, and computer-readable recording medium | |
| CN113464711B (en) | Valve internal leakage monitoring system and method based on vibration measurement technology | |
| CN113375875A (en) | Acoustic detection system and method for chronic leakage of water supply pipeline | |
| CN111879479B (en) | Micro-leakage signal monitoring system and method for non-Gaussian noise environment of gas collecting and conveying pipeline | |
| KR20220105039A (en) | Apparatus And Method For Remotely Detecting Pipe Leakage In A Non-contact and Non-destructive Manner Through Ultrasonic Sound | |
| CN116429236A (en) | Method and device for suppressing coherent fading noise of optical fiber sensing data | |
| CN110131595B (en) | Method, device and system for processing pipeline slow leakage signal | |
| CN112903211A (en) | Equipment and method for detecting tightness of gas pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211112 |
|
| RJ01 | Rejection of invention patent application after publication |