CN205919126U - Novel oil pipe leaks pressure detecting system - Google Patents
Novel oil pipe leaks pressure detecting system Download PDFInfo
- Publication number
- CN205919126U CN205919126U CN201620400793.0U CN201620400793U CN205919126U CN 205919126 U CN205919126 U CN 205919126U CN 201620400793 U CN201620400793 U CN 201620400793U CN 205919126 U CN205919126 U CN 205919126U
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- signal
- distributed temperature
- oil pipe
- temperature measuring
- fiber
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Abstract
The utility creatively provides a novel oil pipe leaks pressure detecting system, including distributed temperature measurement optic fibre, pressure sensor, resistance transducer, signal line, photoelectric transducer, light signal modulator, optical signal repeater, optical signal transform reading device and data analysis module, every certain distance is equipped with photoelectric transducer, light signal modulator, resistance transducer and pressure sensor on the distributed temperature measurement optic fibre, and pressure sensor and resistance transducer modulate together with temperature optical signal input light signal modulator behind photoelectric transducer signal conversion, and the comprehensive light signal after the modulation transmits on distributed temperature measurement optic fibre, the transmission of synthesizing the light signal is maintain to the optical signal repeater, and optical signal transform reading device and data analysis module decipher at terminal analysis and synthesize the light signal. The utility model discloses create novel oil pipe reveal the comprehensive testing system, has realized intraductal outside of tubes and has monitored simultaneously, in time discover all kinds of revealing, and synthesize multiple methods of measurement, improved the reliability that detects.
Description
Technical field
The invention belongs to oil-gas drilling pipe technical field, especially relates to a kind of oil pipe leakage pressure
Force detection system.
Background technology
Yield with landing field petroleum resources reduces, and the increase of petroleum consumption is so that each major oil companies are by sight
Invest marine petroleum exploitation field.Oil, as a kind of fluid resources, generally uses pipeline, and offshore oil conveying typically makes
Use pipeline under the ocean.Oil is as a kind of natural pollutant, the natural environment to surrounding waters safely of pipeline under the ocean
Extremely important.The leakage of pipeline under the ocean is first threatening greatly of pipeline under the ocean safety, how to monitor pipeline conditions simultaneously
It is quickly found out leak position most important for service conduit safety and reduction pollution threat.
At present, using more extensive pipeline under the ocean monitoring meanss be generally basede on flow in pipeline, flow velocity, sound wave,
The parameter transformations such as temperature analysis is realized.However, the parameter such as flow in pipeline, flow velocity, temperature is usually change it is difficult to distinguish
General change and leakage change；Meanwhile, installing the sensors such as flow, flow velocity, temperature in pipeline can affect the performance of feeding oil of pipeline,
Increase oil transportation cost, and hinder passing through of duct cleaning equipment, be that duct cleaning causes difficulty；Environments such as subsea is not one
Mourn in silence completely environment, be often subject to Environmental Noise Influence using sound wave monitoring pipeline conditions it is difficult to accurately grasp pipeline conditions.
Content of the invention
In view of this, the invention is directed to a kind of oil pipe leak pressure detecting system, to solve current sea
Bottom oil pipeline detection accuracy is poor, the low problem of reliability, realizes the accurate measurements of pipeline under the ocean, reduces pipeline
The purpose of risk of leakage.
For reaching above-mentioned purpose, the technical scheme of the invention is achieved in that
A kind of oil pipe leak pressure detecting system, including distributed temperature measuring optical fiber, pressure transducer, resistance sensing
Device, photoelectric comparator, optical signal modulator, fiber-optic signal repeater, fiber-optic signal conversion reader data analysis module；
The output end of described distributed temperature measuring optical fiber distributed type temperature-measuring optical fiber and described fiber-optic signal conversion reader letter
Number connect；
Photoelectric comparator, optical signal modulator, resistance sensing are provided with a certain distance on described distributed temperature measuring optical fiber
Device and pressure transducer, described pressure transducer and electric resistance sensor and the parallel signal input end signal of described photoelectric comparator
Connect, the parallel signal outfan of described photoelectric comparator is connected with the parallel signal input end signal of described optical signal modulator
Connect, described optical signal modulator is connected with the connecting node signal on described distributed temperature measuring optical fiber；
Described fiber-optic signal repeater is uniformly arranged on described distributed temperature measuring optical fiber, and with this distributed temperature measuring optical fiber
On installation position connecting node signal connect；
Described fiber-optic signal conversion reader is connected with described data analysis module signal.
Further, often the distributed temperature measuring fiber lengths between two neighboring fiber-optic signal repeater are 4000 to 6000
Rice.
Further, the connecting node of described distributed temperature measuring optical fiber includes output node and input node.
Further, the parallel signal input of described optical signal modulator is connected with described output node signal,
The signal output part of this optical signal modulator is connected with described input node signal.
Further, the signal input part of described fiber-optic signal repeater is connected with described output node signal, this optical fiber
The signal output part of signal repeater is connected with described input node signal.
Further, often the length of the distributed temperature measuring optical fiber between two neighboring pressure transducer is 40 to 60 meters.
Further, described pressure transducer is connected with described photoelectric comparator signal by holding wire.
Further, described oil pipe is revealed comprehensive detection system and is also included being installed on described distributed temperature measuring optical fiber
Buoy.
Further, often the length of the distributed temperature measuring optical fiber between two neighboring buoy is ten thousand metres.
Further, described data analysis module is computer.
With respect to prior art, the oil pipe described in the invention is revealed comprehensive detection system and is had the advantage that
(1) oil pipe described in the invention reveals comprehensive detection system, by comprehensive detection oil pipeline
Temperature change near pressure change, oil pipeline and resistance variations, it is achieved that monitor outside pipe inner tube simultaneously, can find each in time
Class is revealed, and comprehensive many measuring methods, improves the reliability of detection.
(2) oil pipe described in the invention reveals comprehensive detection system, decreases testing equipment in oil pipeline
Number and occupy space, improve oil pipeline pass through property, reduce oil transportation cost, facilitate the cleaning of oil pipeline.
(3) oil pipe described in the invention reveals the use of distributed temperature measuring optical fiber in comprehensive detection system, keeps away
Exempt from seabed effect of noise during sonic detection, improve the accuracy of detection, and used fiber-optic transfer data, improve monitoring
The real-time of data is it is achieved that oil pipeline whether there is the real-time detection revealed.
Brief description
The accompanying drawing constituting the part of the invention is used for providing the invention is further understood, and the present invention creates
The schematic description and description made is used for explaining the invention, does not constitute the improper restriction to the invention.?
In accompanying drawing:
Fig. 1 is that the oil pipe described in the invention embodiment reveals comprehensive detection system hardware configuration schematic diagram；
Fig. 2 is that the oil pipe leakage comprehensive detection system pressure detecting node axis described in the invention embodiment cuts open
Face schematic diagram；
Fig. 3 is that the oil pipe described in the invention embodiment reveals comprehensive detection system principle schematic.
Description of reference numerals:
1- fiber-optic signal converts reader；2- oil pipeline end-equipment；3- distributed temperature measuring optical fiber；4- sea bed；5- light
Optical fiber signaling repeater；6- oil pipeline；7- buoy；8- photoelectric comparator；9- offshore platform；10- holding wire；11- pressure sensing
Device；12- electric resistance sensor.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the invention and the feature in embodiment can
To be mutually combined.
In the description of the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " on ", D score,
The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than instruction
Or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation, be not therefore understood that
It is the restriction to the invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly
Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning in the invention for the term.
To describe the invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figures 1 to 3, the invention include distributed temperature measuring optical fiber 3, pressure transducer 11, electric resistance sensor 12,
Photoelectric comparator 8, optical signal modulator, fiber-optic signal repeater 5, fiber-optic signal conversion reader 1 data analysis module.
Oil pipeline 6 is laid on sea bed 4 along predetermined paths, and the front starting point of oil pipeline 6 connects offshore platform 9, after
Square end connects oil pipeline end-equipment 2, realizes the conveying of submarine oil.
Described distributed temperature measuring optical fiber 3 is laid along oil pipeline 6, is placed in the top of described oil pipeline 6, and this distribution
The output end of formula temperature-measuring optical fiber 3 is connected with described fiber-optic signal conversion reader 1 signal.
Photoelectric comparator 8, optical signal modulator, resistance biography are provided with a certain distance on described distributed temperature measuring optical fiber 3
Sensor 12 and pressure transducer 11, described pressure transducer 11 passes through the side wall of described oil pipeline 6 to stretch into oil pipeline 6.
This pressure transducer 11 and electric resistance sensor 12 are connected with the parallel signal input end signal of described photoelectric comparator 8
Connect, described photoelectric comparator 8 is respectively by the electric pressure signal being exported by pressure transducer 11 receiving with by electric resistance sensor 12
The resistance signal of telecommunication of output is converted to pressure optical signal and resistance optical signal the parallel signal outfan in this photoelectric comparator 8
Signal output.
The parallel signal outfan of described photoelectric comparator 8 and the parallel signal input end signal of described optical signal modulator
Connect, described optical signal modulator is connected with the connecting node signal on described distributed temperature measuring optical fiber 3.
The connecting node of described distributed temperature measuring optical fiber 3 includes output node and input node.
The parallel signal input of described optical signal modulator is connected with described output node signal, and this optical signal is adjusted
The signal output part of device processed is connected with described input node signal.
Described optical signal modulator receives described pressure optical signal and resistance optical signal and the temperature of output node output
Optical signal forms comprehensive optical signal, and described comprehensive optical signal is inputted the input node of distributed temperature measuring optical fiber, and with this point
Original signal superposition in cloth temperature-measuring optical fiber 3.
Described fiber-optic signal repeater 5 is uniformly arranged on described distributed temperature measuring optical fiber 3, and with this distributed temperature measuring light
The connecting node signal of the installation position on fine 3 connects.
The signal input part of described fiber-optic signal repeater 5 is connected with described output node signal, and this fiber-optic signal relays
The signal output part of device 5 is connected with described input node signal, to extend monitoring length.
Described fiber-optic signal conversion reader 1 is connected with described data analysis module signal, and data analysis module is to calculate
Machine, converts the data message of reader 1 output for analytical calculation fiber-optic signal and is shown.
Electric resistance sensor 12 is arranged on the outside of oil pipeline 6, for monitoring the water resistance change of pipe off-lying sea, works as oil pipeline
During 6 generation minute leakage, the sea water resistance around oil pipeline 6 can change, and electric resistance sensor 12 passes through to measure sea water electricity
Resistance change-detection oil pipeline 6 whether there is minute leakage.
Distributed temperature measuring optical fiber 3 is used for the outer ocean temperature of measurement pipe, when oil pipeline 6 occurs leakage, oil pipeline 6 weeks
Enclosing sea water is affected temperature and is raised by leakage crude oil, and distributed temperature measuring optical fiber 3 passes through to measure ocean temperature change-detection oil pipeline 6
With the presence or absence of leakage.
Described fiber-optic signal repeater 5 is arranged on described oil pipeline 6 top, and often two neighboring fiber-optic signal repeater
Oil pipeline 6 length between 5 is 5000m, for maintaining the comprehensive optical signal in distributed temperature measuring optical fiber 3, removes comprehensive light
Interference signal in signal, realizes the amplification of comprehensive optical signal, to extend monitoring length.
Described pressure transducer 11 is used for monitoring overpressure, and the probe end of this pressure transducer 11 is by positioned at described
The aperture of oil pipeline 6 side stretches into oil pipeline 6, and described little in the hole is provided with sealing device, realizes at the sealing in aperture gap
Reason, prevents oil pipeline 6 from revealing at this aperture.
Often oil pipeline 6 length between two neighboring pressure transducer 11 is 50 meters.
Described pressure transducer 11 is connected with described photoelectric comparator 8 signal by holding wire.
Described oil pipe reveals the buoy 7 that comprehensive detection system also includes being installed on described distributed temperature measuring optical fiber.
Often oil pipeline 6 length between two neighboring buoy 7 is ten thousand metres, in order to observe the position of oil pipeline 6
And length.
The work process of the invention is: the distributed temperature measuring optical fiber 3 along oil pipeline 6 setting is put down by the sea in front
Platform 9 laying extends to rear positioned at oil pipeline monitoring center on the bank；
Positioned at the pressure transducer 11 monitoring overpressure in oil pipeline 6 front, electric pressure signal is inputted light-to-current inversion
Device 8；Electric resistance sensor 12 monitoring pipe off-lying sea water resistance change at this, and the resistance signal of telecommunication is inputted photoelectric comparator 8；Photoelectricity
Electric pressure signal and the resistance signal of telecommunication are converted to pressure optical signal and resistance optical signal by changer 8 respectively, and pressure light is believed
Number and resistance optical signal input optical signal manipulator, distributed temperature measuring optical fiber 3 by temperature optical signal input optical signal manipulator, presses
Power optical signal, resistance optical signal and temperature optical signals optical signal modulator form comprehensive optical signal in distributed temperature measuring optical fiber 3
Interior transmission；
It is provided with next stage pressure transducer 11, resistance passes at 50 meters of the rear side of pressure transducer 11 in oil pipeline 6 front
Sensor 12, photoelectric comparator 8 and optical signal modulator, comprehensive optical signal and upper level that in this one-level, optical signal modulator is formed
Transmit in distributed temperature measuring optical fiber 3 after comprehensive optical signal superposition；
It is sequentially overlapped transmission according to this kind of mode synthesis optical signal, and comprehensive by fiber-optic signal repeater 5 every 5000m
Analysis pressure, temperature and resistance data, after remove impurity analysis, the comprehensive light of the pressure, temperature and resistance with next section of 5000m is believed
Transmit to land direction number together；
The fiber-optic signal conversion reader 1 of oil pipeline monitoring center reads optical signal on the bank, divides through data analysis module
Analysis is understood, the representing of real-time implementation testing result.
The foregoing is only the preferred embodiment of the invention, not in order to limit the invention, all this
Within the spirit of innovation and creation and principle, any modification, equivalent substitution and improvement made etc., should be included in the invention
Protection domain within.
Claims (10)
1. a kind of oil pipe leak pressure detecting system it is characterised in that: include distributed temperature measuring optical fiber (3), pressure sensing
Device (11), electric resistance sensor (12), photoelectric comparator (8), optical signal modulator, fiber-optic signal repeater (5), fiber-optic signal become
Change reader (1) data analysis module；
The output end of described distributed temperature measuring optical fiber (3) is connected with described fiber-optic signal conversion reader (1) signal；
Photoelectric comparator (8), optical signal modulator, resistance biography are provided with a certain distance on described distributed temperature measuring optical fiber (3)
Sensor (12) and pressure transducer (11), described pressure transducer (11) and electric resistance sensor (12) and described photoelectric comparator
(8) the connection of parallel signal input end signal, the parallel signal outfan of described photoelectric comparator (8) and described optical signal modulation
The parallel signal input end signal of device connects, the connecting node of described optical signal modulator and described distributed temperature measuring optical fiber (3)
Signal connects；
Described fiber-optic signal repeater (5) is uniformly arranged on described distributed temperature measuring optical fiber (3), and with this distributed temperature measuring light
The connecting node signal of the installation position on fine (3) connects；
Described fiber-optic signal conversion reader (1) is connected with described data analysis module signal.
2. oil pipe leak pressure detecting system according to claim 1 it is characterised in that: often two neighboring optical fiber letter
The length of the distributed temperature measuring optical fiber (3) between number repeater (5) is 4000 to 6000 meters.
3. oil pipe leak pressure detecting system according to claim 1 it is characterised in that: described distributed temperature measuring light
The connecting node of fine (3) includes output node and input node.
4. oil pipe leak pressure detecting system according to claim 3 it is characterised in that: described optical signal modulator
Parallel signal input be connected with described output node signal, the signal output part of this optical signal modulator with described input section
Point signal connects.
5. oil pipe leak pressure detecting system according to claim 3 it is characterised in that: described fiber-optic signal relaying
The signal input part of device (5) is connected with described output node signal, the signal output part of this fiber-optic signal repeater (5) with described
Input node signal connects.
6. oil pipe leak pressure detecting system according to claim 1 it is characterised in that: often two neighboring pressure passes
The length of the distributed temperature measuring optical fiber (3) between sensor (11) is 40 to 60 meters.
7. oil pipe leak pressure detecting system according to claim 1 it is characterised in that: described pressure transducer
(11) it is connected with described photoelectric comparator (8) signal by holding wire (10).
8. oil pipe leak pressure detecting system according to claim 1 it is characterised in that: also include being installed in described
Buoy (7) on distributed temperature measuring optical fiber (3).
9. oil pipe leak pressure detecting system according to claim 6 it is characterised in that: often two neighboring buoy
(7) length of the distributed temperature measuring optical fiber (3) between is ten thousand metres.
10. oil pipe leak pressure detecting system according to claim 1 it is characterised in that: described data analysiss mould
Block is computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620400793.0U CN205919126U (en) | 2016-05-05 | 2016-05-05 | Novel oil pipe leaks pressure detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620400793.0U CN205919126U (en) | 2016-05-05 | 2016-05-05 | Novel oil pipe leaks pressure detecting system |
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| CN205919126U true CN205919126U (en) | 2017-02-01 |
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ID=57876256
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| CN201620400793.0U Expired - Fee Related CN205919126U (en) | 2016-05-05 | 2016-05-05 | Novel oil pipe leaks pressure detecting system |
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| CN106989283A (en) * | 2017-05-23 | 2017-07-28 | 天津亿利科能源科技发展股份有限公司 | A kind of municipal sewage system silts monitoring system up |
| CN108758353A (en) * | 2018-06-12 | 2018-11-06 | 青岛汇安谷科技发展有限公司 | Distribution type fiber-optic many reference amounts pipe leakage positioning alarm system and leakage locating method |
| CN108951762A (en) * | 2018-07-17 | 2018-12-07 | 中国人民解放军陆军工程大学 | Method for preventing municipal tap water supply pipeline from leaking |
| CN109723976A (en) * | 2019-02-26 | 2019-05-07 | 中国神华能源股份有限公司 | Line clogging position detecting device |
| CN110207023A (en) * | 2019-06-03 | 2019-09-06 | 中联重科股份有限公司 | System and method for conveying viscous materials and readable storage medium |
| CN111609980A (en) * | 2020-06-03 | 2020-09-01 | 江阴市富仁高科股份有限公司 | Assembly process of double-layer oil tank online monitoring system |
| CN112377818A (en) * | 2020-11-13 | 2021-02-19 | 江苏杰霸物联网科技有限公司 | Gas leakage monitoring device based on intelligent gas and use method thereof |
| CN112530142A (en) * | 2021-02-05 | 2021-03-19 | 云南雄鑫汽车有限公司 | Fuel leakage alarm device, system and method for passenger car |
| RU2794402C1 (en) * | 2022-08-31 | 2023-04-17 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Device for detecting leaks of liquid with salt content from underwater pipelines |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106989283A (en) * | 2017-05-23 | 2017-07-28 | 天津亿利科能源科技发展股份有限公司 | A kind of municipal sewage system silts monitoring system up |
| CN108758353A (en) * | 2018-06-12 | 2018-11-06 | 青岛汇安谷科技发展有限公司 | Distribution type fiber-optic many reference amounts pipe leakage positioning alarm system and leakage locating method |
| CN108951762A (en) * | 2018-07-17 | 2018-12-07 | 中国人民解放军陆军工程大学 | Method for preventing municipal tap water supply pipeline from leaking |
| CN109723976A (en) * | 2019-02-26 | 2019-05-07 | 中国神华能源股份有限公司 | Line clogging position detecting device |
| CN110207023A (en) * | 2019-06-03 | 2019-09-06 | 中联重科股份有限公司 | System and method for conveying viscous materials and readable storage medium |
| CN111609980A (en) * | 2020-06-03 | 2020-09-01 | 江阴市富仁高科股份有限公司 | Assembly process of double-layer oil tank online monitoring system |
| CN112377818A (en) * | 2020-11-13 | 2021-02-19 | 江苏杰霸物联网科技有限公司 | Gas leakage monitoring device based on intelligent gas and use method thereof |
| CN112377818B (en) * | 2020-11-13 | 2023-01-17 | 江苏杰霸物联网科技有限公司 | Gas leakage monitoring device based on intelligent gas and use method thereof |
| CN112530142A (en) * | 2021-02-05 | 2021-03-19 | 云南雄鑫汽车有限公司 | Fuel leakage alarm device, system and method for passenger car |
| RU2794402C1 (en) * | 2022-08-31 | 2023-04-17 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Device for detecting leaks of liquid with salt content from underwater pipelines |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211102 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: No.106 Huanghai Road, Binhai New Economic and Technological Development Zone, Tianjin 300457 Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
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Granted publication date: 20170201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |