CN203147291U - System capable of monitoring pipeline leakage by means of infrasonic waves, flow balance and negative pressure waves - Google Patents

System capable of monitoring pipeline leakage by means of infrasonic waves, flow balance and negative pressure waves Download PDF

Info

Publication number
CN203147291U
CN203147291U CN 201320143548 CN201320143548U CN203147291U CN 203147291 U CN203147291 U CN 203147291U CN 201320143548 CN201320143548 CN 201320143548 CN 201320143548 U CN201320143548 U CN 201320143548U CN 203147291 U CN203147291 U CN 203147291U
Authority
CN
China
Prior art keywords
infrasonic
wave
sensor
negative pressure
terminal
Prior art date
Application number
CN 201320143548
Other languages
Chinese (zh)
Inventor
黄鹏
陈俐
孟庆禹
樊晓飞
朱传龙
Original Assignee
黄鹏
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 黄鹏 filed Critical 黄鹏
Priority to CN 201320143548 priority Critical patent/CN203147291U/en
Application granted granted Critical
Publication of CN203147291U publication Critical patent/CN203147291U/en

Links

Abstract

The utility model discloses a system capable of monitoring pipeline leakage by means of infrasonic waves, flow balance and negative pressure waves. The system comprises infrasonic wave sensors, flow meters, negative pressure wave sensors, data transmitters and a data analyzing processor, wherein the infrasonic wave sensors, the flow meters and the negative pressure wave sensors are respectively arranged on a pipeline at an initial station and a pipeline at a final station and are connected with the data transmitters. The data transmitters are connected with the data analyzing processor. The system integrates advantages of three monitoring methods, overcomes defects of the three monitoring methods, improves leakage monitoring quality and positioning precision, and greatly improves reliability and accuracy of warning positioning of the leakage monitoring.

Description

Utilize infrasonic wave, flow equilibrium and suction wave to carry out the system of line leakage

Technical field

The utility model relates to the pipeline monitoring technical field, refers to utilize infrasonic wave, flow equilibrium and suction wave to carry out the system of line leakage especially.

Background technique

Crude oil pipeline is the lifeline of field produces, if pipeline is bored a hole, will cause crude oil or rock gas to produce a series of adverse consequencess such as leakage, environmental pollution.Yet line walking, stop production, speedily carry out rescue work, mending-leakage, the material resources of need employing a tremendous amount of manpower, the cost plenty of time, its economic loss is very huge.If take advanced technological means, petroleum pipeline is monitored in real time, judge the leak position rapidly accurately, accident is in time handled, make loss drop to bottom line, and the undesirable formed powerful fright and containment effect, thus having guaranteed that national wealth avoids losing the normal operation with field produces, its meaning is positive.

Existing several monitoring methods comprise at present: one, suction wave monitoring method, its basic principle is: can change because of the pressure along the line that the flowing medium ejection produces during pipe leakage, this variation is propagated to two ends centered by leakage point by pipeline and medium as a kind of wave source.The variation ripple of this wave source is called suction wave.The suction wave monitoring technology is to utilize the pipe ends measuring point that time difference and suction wave that suction wave monitors are judged the leak position in ducted velocity of propagation.But this method is not very sensitive to small seepage slowly, and undesirable to having constrictive natural gas transmission pipeline.Two, volume or mass balance monitoring method, its basic principle is: the quality of in-and-out pipe should equate under normal operating condition, compare by present advanced person's collection, the qualitative data that means of communication is gathered pipe ends in real time, just can whether leak pipeline medium very easily and judge.The advantage of this method be by contrast turnover quality volume energy accurately judge the generation of leakage, and can in time find less leakage.But the shortcoming of this method is: Location accuracy is low; Can't locate less leakage.Three, monitored by infrasonic wave method, infrasonic wave technology are a kind of novel monitoring means in domestic new introducing line leakage field, are used for the infrasonic wave that monitoring pipeline inner fluid produces when breaking through the tube wall constraint.The infrasonic wave frequency is low, wavelength is longer, performance suddenly resolute.This wave property is subjected to the influence of noise in the pipeline minimum, the constant and long transmission distance of velocity of propagation, and signal can gem-purely be delivered to the far-end receiving element and be as the criterion and determine that the position created condition.But because the start and stop of pipeline mounted pump again because the variable frequency adjustment device is frequently regulated the vibration friction in discharge capacity and oil transfer pump and the flowmeter working procedure, make the frequent noise that produces in the pipeline.This signal has rate and feature when identical with the signal that leak to produce.This signal is given the leak diagnostics of monitoring system and is eliminated false alarm and cause great difficulty.Various pipeline monitoring methods in sum all exist its advantage and deficiency.

Summary of the invention

In view of this, the utility model embodiment's main purpose is to provide utilizes infrasonic wave, flow equilibrium and suction wave to carry out the system of line leakage, can solve the existing single use of monitoring method only can the unilateral result of providing, and the not accurate enough problem of result.

For achieving the above object, the utility model embodiment's technological scheme is achieved in that

The utility model provides a kind of system that utilizes infrasonic wave, flow equilibrium and suction wave to carry out line leakage, and described system comprises: infrasonic sensor, flowmeter, suction wave sensor, data link and data analysis processor, wherein,

Described infrasonic sensor, flowmeter and suction wave sensor are installed in respectively on the pipeline of initial station and terminal, and connect data link, and the data link linking number is processor according to one's analysis.

Wherein, described infrasonic sensor, flowmeter and suction wave sensor are installed in respectively on the pipeline of initial station and terminal, wherein,

Be installed in infrasonic sensor, flowmeter and the suction wave sensor of initial station, be used for gathering infrasonic wave, flow and the negative pressure wave signal data of initial station;

Be installed in infrasonic sensor, flowmeter and the suction wave sensor of terminal, be used for gathering infrasonic wave, flow and the negative pressure wave signal data of terminal.

Wherein, described infrasonic sensor, flowmeter and suction wave sensor connect data link, are specially: the data link that infrasonic wave, flow and negative pressure wave signal data is at first stop sent to the initial station carries out pretreatment, compression and packing;

Carry out pretreatment, compression and packing with what the infrasonic wave of terminal, flow and negative pressure wave signal data sent terminal to data link.

Wherein, described data link linking number is the mode of processor according to one's analysis, comprising: wire communication mode and/or wireless communication mode and/or network communication mode.

Wherein, described data analysis processor further comprises: utilize the infrasonic wave technology that unusual leakage point is positioned, the prompting locating information was reported to the police in the default time.

Utilize infrasonic wave, flow equilibrium and suction wave that the utility model embodiment provides carry out the system of line leakage, described system comprises: infrasonic sensor, flowmeter, suction wave sensor, data link and data analysis processor, wherein, described infrasonic sensor, flowmeter and suction wave sensor, be installed in respectively on the pipeline of initial station and terminal, and the connection data link, the data link linking number is processor according to one's analysis.By said system can comprehensive three kinds of monitoring methods advantage in one, remedied mutual deficiency, make the leakage monitoring of system and the lifting that Location accuracy has had matter, greatly improved leakage monitoring report to the police reliability and the accuracy of location.

Description of drawings

Fig. 1 is that the utility model utilizes infrasonic wave, flow equilibrium and suction wave to carry out the structural representation of the system of line leakage.

Embodiment

The utility model embodiment's basic thought is: sonic method is basic skills in proper order, reports to the police, locatees in conjunction with suction wave, volumetric balance contrast multi-method comprehensive analysis, in order to realization pipeline is revealed and is monitored.

Below by drawings and the specific embodiments the utility model embodiment is described in further detail again.

The utility model embodiment provides and has utilized infrasonic wave, flow equilibrium and suction wave to carry out the system of line leakage, Fig. 1 is that the utility model utilizes infrasonic wave, flow equilibrium and suction wave to carry out the structural representation of the system of line leakage, as shown in Figure 1, described system comprises: infrasonic sensor 11, flowmeter 12, suction wave sensor 13, data link 14 and data analysis processor 15, wherein

Described infrasonic sensor 11, flowmeter 12 and suction wave sensor 13 are installed in respectively on the pipeline of initial station and terminal, and connect data link 14, and data link 14 linking numbers are processor 15 according to one's analysis.

Concrete, described infrasonic sensor 11, flowmeter 12 and suction wave sensor 13, be installed in respectively on the pipeline of initial station and terminal, wherein, be installed in infrasonic sensor 11, flowmeter 12 and the suction wave sensor 13 of initial station, be used for gathering infrasonic wave, flow and the negative pressure wave signal data of initial station; Be installed in infrasonic sensor 111, flowmeter 112 and the suction wave sensor 113 of terminal, be used for gathering infrasonic wave, flow and the negative pressure wave signal data of terminal.

Described infrasonic sensor 11, flowmeter 12 and suction wave sensor 13 connect data link 14, are specially: the data link 14 that infrasonic wave, flow and negative pressure wave signal data is at first stop sent to the initial station carries out pretreatment, compression and packing; Carry out pretreatment, compression and packing with what the infrasonic wave of terminal, flow and negative pressure wave signal data sent terminal to data link 114.

Described data link 14 linking numbers are the mode of processor 15 according to one's analysis, comprising: wire communication mode and/or wireless communication mode and/or network communication mode.

Described data analysis processor 15 further comprises: utilize the infrasonic wave technology that unusual leakage point is positioned, the prompting locating information was reported to the police in the default time.

In actual applications, described data analysis processor 15 is analyzed abnormal conditions according to infrasonic wave, flow and negative pressure wave signal, be specially: when finding the feature of leakage infrasonic wave is arranged, the flow of contrast initial station and terminal and two station negative pressure wave signals change, if the flow of terminal reduces less than flow while initial station and the terminal negative pressure wave signal of initial station, then judge abnormal conditions to occur; Leak the feature infrasonic wave if find to have, but the constant or same trend of the flow of initial station and terminal and negative pressure wave signal improves or during decline, then do not belong to abnormal conditions.The described abnormal conditions of handling when abnormal conditions take place are specially: report to the police in the default time, utilize the infrasonic wave technology that unusual leakage point is positioned, the prompting locating information.

Further, the flow of described contrast initial station and terminal and two station negative pressure wave signals change, if the flow of terminal reduces less than flow while head and the terminal negative pressure wave signal of initial station, then judge and abnormal conditions occur, be specially: the flow that utilizes flow at first stop to deduct terminal obtains difference, obtains the two station negative pressure wave signals amplitude that reduces before simultaneously, if difference and the amplitude that reduces are greater than the trueness error scope of gathering, then judge abnormal conditions to occur, otherwise do not belong to abnormal conditions.

Further, utilizing the infrasonic wave technology to position is specially: the infrasonic wave technology is a kind of novel monitoring technology in line leakage field, be used for the infrasonic wave that monitoring pipe leakage and pipeline produce when unusual, go out to leak the infrasonic wave that produces and reflect with curve form by the frequency analysis sub-argument.Facts have proved that this ripple characteristic, velocity of propagation in same medium is constant, signal can very clearly be delivered to the far-end receiving element, is as the criterion to determine that the position created condition.Therefore, the infrasonic wave technology can be to small leakage alarm and accurate location in conjunction with suction wave technology, volumetric balance correlation technique comprehensive monitor system.Calculated the particular location of leakage point by formula 1.

Formula 1: X = 1 2 [ L + ( t 1 - t 2 ) V ]

Wherein, to be that duct length, V are that sound wave passes headed by wave velocity, the t1-t2 terminal secondary wave time of reception poor for L.

Native system has good effect through experimental test, and the optimization technique index that test draws is: monitoring length: every section less than 60Km; Monitoring accuracy: 5 ‰-1% (instantaneous displacement); Positioning error: duct length 5 ‰+(±) 100m: rate of false alarm: less than 1%.

What need further specify is, because each device of native system is installed in initial station and the terminal of pipeline respectively, and central control chamber, so accompanying drawing 1 only is the structural representation of native system.

The above; it only is preferred embodiment of the present utility model; be not for limiting protection domain of the present utility model, all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims (5)

1. a system that utilizes infrasonic wave, flow equilibrium and suction wave to carry out line leakage is characterized in that, described system comprises: infrasonic sensor, flowmeter, suction wave sensor, data link and data analysis processor, wherein,
Described infrasonic sensor, flowmeter and suction wave sensor are installed in respectively on the pipeline of initial station and terminal, and connect data link, and the data link linking number is processor according to one's analysis.
2. system according to claim 1 is characterized in that, described infrasonic sensor, flowmeter and suction wave sensor are installed in respectively on the pipeline of initial station and terminal, wherein,
Be installed in infrasonic sensor, flowmeter and the suction wave sensor of initial station, be used for gathering infrasonic wave, flow and the negative pressure wave signal data of initial station;
Be installed in infrasonic sensor, flowmeter and the suction wave sensor of terminal, be used for gathering infrasonic wave, flow and the negative pressure wave signal data of terminal.
3. system according to claim 1 and 2, it is characterized in that, described infrasonic sensor, flowmeter and suction wave sensor, connect data link, be specially: the data link that infrasonic wave, flow and negative pressure wave signal data is at first stop sent to the initial station carries out pretreatment, compression and packing;
Carry out pretreatment, compression and packing with what the infrasonic wave of terminal, flow and negative pressure wave signal data sent terminal to data link.
4. system according to claim 1 and 2 is characterized in that, described data link linking number is the mode of processor according to one's analysis, comprising: wire communication mode and/or wireless communication mode and/or network communication mode.
5. system according to claim 1 and 2 is characterized in that, described data analysis processor further comprises: utilize the infrasonic wave technology that unusual leakage point is positioned, the prompting locating information was reported to the police in the default time.
CN 201320143548 2013-03-27 2013-03-27 System capable of monitoring pipeline leakage by means of infrasonic waves, flow balance and negative pressure waves CN203147291U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320143548 CN203147291U (en) 2013-03-27 2013-03-27 System capable of monitoring pipeline leakage by means of infrasonic waves, flow balance and negative pressure waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320143548 CN203147291U (en) 2013-03-27 2013-03-27 System capable of monitoring pipeline leakage by means of infrasonic waves, flow balance and negative pressure waves

Publications (1)

Publication Number Publication Date
CN203147291U true CN203147291U (en) 2013-08-21

Family

ID=48974814

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320143548 CN203147291U (en) 2013-03-27 2013-03-27 System capable of monitoring pipeline leakage by means of infrasonic waves, flow balance and negative pressure waves

Country Status (1)

Country Link
CN (1) CN203147291U (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104006299A (en) * 2014-05-16 2014-08-27 中国海洋石油总公司 Pipeline blockage monitoring system and monitoring fusing processing method thereof
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
CN104976518A (en) * 2015-06-08 2015-10-14 中国海洋石油总公司 Subsea pipeline leakage monitoring system
CN105135216A (en) * 2015-07-30 2015-12-09 云南大红山管道有限公司 Method for locating leakage position of ore pulp conveying pipe
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
CN107869654A (en) * 2016-09-27 2018-04-03 中国石油天然气股份有限公司 A kind of oil-gas pipeline booster detects localization method
CN108006442A (en) * 2016-11-21 2018-05-08 吉林省百瑞生科技发展有限公司 A kind of fluid line leak position system and method
CN108488638A (en) * 2018-03-28 2018-09-04 东北大学 Line leakage system and method based on sound wave suction wave hybrid monitoring
CN108571659A (en) * 2017-03-13 2018-09-25 威派(武汉)高新技术股份有限公司 Groundwater supply pipe network water leakage sound signal collecting and compression method
CN109027705A (en) * 2018-07-28 2018-12-18 中海油能源发展股份有限公司 A kind of submarine pipeline infrasound leakage monitoring system
CN109357167A (en) * 2018-10-30 2019-02-19 长春市万易科技有限公司 A kind of gas pipeline device for detecting leak point and detection method
CN109798451A (en) * 2017-11-16 2019-05-24 中国石油天然气股份有限公司 The determination method of oil-gas gathering and transferring pipeline leak position
CN110529746A (en) * 2019-09-05 2019-12-03 北京化工大学 Detection method, device and the equipment of pipe leakage
CN110566819A (en) * 2018-06-06 2019-12-13 中国石油化工股份有限公司 Dual-mode petrochemical safety sensing equipment optimization device and method based on 4G technology
CN110792928A (en) * 2019-09-24 2020-02-14 中国石油化工股份有限公司 Pipeline leakage diagnosis combined algorithm based on big data

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104006299B (en) * 2014-05-16 2016-08-24 中国海洋石油总公司 A kind of monitoring pipeline blocking system and monitoring method for amalgamation processing thereof
CN104006299A (en) * 2014-05-16 2014-08-27 中国海洋石油总公司 Pipeline blockage monitoring system and monitoring fusing processing method thereof
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
CN104976518B (en) * 2015-06-08 2017-10-13 中国海洋石油总公司 A kind of submerged pipeline leakage monitoring system
CN104976518A (en) * 2015-06-08 2015-10-14 中国海洋石油总公司 Subsea pipeline leakage monitoring system
CN105135216A (en) * 2015-07-30 2015-12-09 云南大红山管道有限公司 Method for locating leakage position of ore pulp conveying pipe
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
CN107869654A (en) * 2016-09-27 2018-04-03 中国石油天然气股份有限公司 A kind of oil-gas pipeline booster detects localization method
CN107869654B (en) * 2016-09-27 2020-03-10 中国石油天然气股份有限公司 Oil-gas pipeline pipe burst detection positioning method
CN108006442B (en) * 2016-11-21 2019-01-29 吉林省百瑞生科技发展有限公司 A kind of fluid line leak position system and method
CN108006442A (en) * 2016-11-21 2018-05-08 吉林省百瑞生科技发展有限公司 A kind of fluid line leak position system and method
CN108571659A (en) * 2017-03-13 2018-09-25 威派(武汉)高新技术股份有限公司 Groundwater supply pipe network water leakage sound signal collecting and compression method
CN109798451B (en) * 2017-11-16 2020-09-08 中国石油天然气股份有限公司 Method for determining leakage position of oil gas gathering and transportation pipeline
CN109798451A (en) * 2017-11-16 2019-05-24 中国石油天然气股份有限公司 The determination method of oil-gas gathering and transferring pipeline leak position
CN108488638A (en) * 2018-03-28 2018-09-04 东北大学 Line leakage system and method based on sound wave suction wave hybrid monitoring
CN110566819A (en) * 2018-06-06 2019-12-13 中国石油化工股份有限公司 Dual-mode petrochemical safety sensing equipment optimization device and method based on 4G technology
CN109027705A (en) * 2018-07-28 2018-12-18 中海油能源发展股份有限公司 A kind of submarine pipeline infrasound leakage monitoring system
CN109357167A (en) * 2018-10-30 2019-02-19 长春市万易科技有限公司 A kind of gas pipeline device for detecting leak point and detection method
CN110529746A (en) * 2019-09-05 2019-12-03 北京化工大学 Detection method, device and the equipment of pipe leakage
CN110792928A (en) * 2019-09-24 2020-02-14 中国石油化工股份有限公司 Pipeline leakage diagnosis combined algorithm based on big data

Similar Documents

Publication Publication Date Title
CN103939749B (en) Flow circuits based on big data leakage intelligent adaptive monitoring system and method
CN104747912B (en) Fluid conveying pipe leakage acoustic emission time-frequency positioning method
CN101255952B (en) Test system for monitoring pipe leakage and early warning safety
EP2208039B1 (en) Method and system for registering and measuring leaks and flows
CN105864642B (en) A kind of pipeline leakage testing device and detection method
CN100404786C (en) Well logging power graph method and device
US10094732B2 (en) Pipeline fault detection system, sensor head and method of detecting pipeline faults
CN101761780B (en) Gas pipeline leakage detecting and positioning device and method thereof
CN105492874A (en) A device, method and system for monitoring a network of fluid-carrying conduits
CN104595730B (en) A kind of oil and gas pipeline leakage localization method based on magnitudes of acoustic waves attenuation model
CN107940246B (en) A kind of fluid line source of leaks monitoring and positioning system and method
CN108050396B (en) A kind of fluid line source of leaks monitoring and positioning system and method
CN101832472B (en) System implementing pipeline leak detection by utilizing infrasonic wave
CN1246672C (en) Method and device for intelligent diagnosis and location of leakage fault of fluid delivery pipeline
CN104595729A (en) Oil and gas pipeline leakage positioning method based on sound wave amplitude
CN105927863A (en) DMA zone pipe network leakage online detecting and positioning system and detecting and positioning method thereof
CN101684894B (en) Method and device for monitoring pipeline leakage
CN101487567A (en) Acoustic wave leakage detecting and positioning device
CN102563361A (en) Device and method for detecting and positioning leakage of gas transmission pipeline based on conventional data and sound wave signals
Sheltami et al. Wireless sensor networks for leak detection in pipelines: a survey
CN1184931A (en) Method and apparatus for detecting and positioning leakage of fluid transferring pipeline
CN103672415B (en) Based on the gas pipe leakage detection of non-intervention type sensor and navigation system and method
CN106352246B (en) Pipeline leakage testing positioning experiment system and its detection method
CN103486443B (en) A kind of oil and gas leakage detects experimental system for simulating
CN106352243A (en) Gas transmission pipeline leakage detection system based on acoustic method

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130821

Termination date: 20150327

EXPY Termination of patent right or utility model