CN104612957A - Online monitoring system for fracturing pump truck fluid end - Google Patents

Online monitoring system for fracturing pump truck fluid end Download PDF

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Publication number
CN104612957A
CN104612957A CN201510052712.2A CN201510052712A CN104612957A CN 104612957 A CN104612957 A CN 104612957A CN 201510052712 A CN201510052712 A CN 201510052712A CN 104612957 A CN104612957 A CN 104612957A
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CN
China
Prior art keywords
fluid end
pump truck
optical fiber
pressure break
break pump
Prior art date
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Pending
Application number
CN201510052712.2A
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Chinese (zh)
Inventor
柴龙
兰建平
谭爱兵
侯光东
夏玉磊
钟新荣
屈海清
袁理生
陈飞
杜焰
李丹
叶赛
王美琴
乔晓东
郑松柏
邓斌奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd
Original Assignee
Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd
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.)
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Application filed by Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd filed Critical Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd
Priority to CN201510052712.2A priority Critical patent/CN104612957A/en
Publication of CN104612957A publication Critical patent/CN104612957A/en
Pending legal-status Critical Current

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Abstract

The invention belongs to the technical field of fracturing equipment of oil and gas wells and relates to an online monitoring system for a fracturing pump truck fluid end. The online monitoring system comprises an optical fiber sensor and a sensor power source which are arranged at the fracturing pump truck fluid end. The optical fiber sensor is in electric connection with a data preprocessing device. The data preprocessing device is in electric connection with an optical fiber sensing instrument. The sensor power source, the data preprocessing device and the optical fiber sensing instrument are all connected with a system power source. The system of state detection and failure analysis and prediction for the fracturing pump truck fluid end is established, so prejudgment on the working conditions of the fracturing pump truck fluid end is achieved. According to the online monitoring system, the situation that in the fracturing construction process, construction fails due to a equipment failure is effectively reduced, and the risk that in the fracturing construction process, staff enter a high-pressure area to monitor the operation conditions of the fluid end, as a result, the staff are injured due to high-pressure pipeline bursting is avoided; meanwhile, the maintenance time of the fluid end is shortened, partial elements in a good state are prevented from being maintained excessively, in this way, the service life of the equipment is prolonged, the production cost is lowered, and operation efficiency is improved.

Description

A kind of pressure break pump truck fluid end on-line monitoring system
Technical field
The invention belongs to oil, gas well fracturing equipment technical field, be specifically related to a kind of pressure break pump truck fluid end on-line monitoring system.
Background technique
In recent years, pressing crack construction has become the Main Means of oil, oil/gas well stimulation, and the working stability of pressure break pump truck fluid end is the visual plant guarantee ensureing that pressing crack construction successfully carries out.
The current domestic each elephant of monitoring for pressure break pump truck fluid end operating mode all adopts the method for personnel's visual observations, the method can only be judged by Field Force's experience after pressure break pump truck goes wrong, anticipation in advance cannot be carried out to fluid end operating mode and each valve member life-span, seriously have impact on pressing crack construction success rate; Meanwhile, after fluid end breaks down, operator often cannot accurate failure judgement reason, therefore often needs all overhaul of all valve members, replacing during maintain and replace.Cause engineering time so long, the elements transition maintenance that partial status is good, cause the waste in serious financial consequences and manpower, financial resources to enterprise.
For pressure break pump truck fluid end detection device, the domestic relevant report that there is no this technology.
Summary of the invention
The object of the invention is to overcome due to current for the monitoring of pressure break pump truck fluid end operating mode, all adopt the method for personnel's visual observations, anticipation in advance cannot be carried out, have a strong impact on pressing crack construction success rate, and after failure cannot failure judgement place, need to investigate one by one, the problem of waste of manpower financial resources.
For this reason, the invention provides a kind of pressure break pump truck fluid end on-line monitoring system, comprise and be arranged on optical fiber transducer on pressure break pump truck fluid end and probe power thereof, described optical fiber transducer electrical connection data prediction device, data prediction device electrical connection optical fiber propagated sensation instrument, the equal connected system power supply of described probe power, data prediction device, optical fiber propagated sensation instrument.
Described optical fiber propagated sensation instrument is connected with remote monitoring end by radio connection.
Described optical fiber transducer comprises fibre optic accelerometer and optical fibre vibration sensor.
Described optical fiber transducer has multiple, and pressure break pump truck fluid end has at least on one group of adjacent side and is all distributed with optical fiber transducer, and the upper and lower surface of pressure break pump truck fluid end has at least an EDS maps to have optical fiber transducer.
The mode that described optical fiber transducer adopts sucker to connect is adsorbed on pressure break pump truck fluid end.
Described data prediction device is data collecting card, gathers and filtering process to sensing data.
Described system power supply is pressure break pump truck power supply, connects DC electrical source booster form by pressure break pump truck vehicular power-bottle.
Beneficial effect of the present invention: the present invention adopts at present state-of-the-art photoelectricity shock sensor in the world to gather fluid end vibration signal, and long-term to Modling model on the basis of pressure break pump truck fluid end vibration signal monitoring, model has autonomous learning function simultaneously, the accurate judgement of pressure pump truck fluid end operation irregularity reason can be realized, before pressure row 2 hours fluid end effective times of pump truck, anticipation can go out need the assembly safeguarded or change simultaneously.Be applicable to the monitoring of working condition of the fluid end of current all kinds of fracturing unit.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is many groups the present invention practical structural representation in parallel.
Fig. 3 is optical fiber transducer distribution map on pressure break pump truck fluid end.
Description of reference numerals: 1, pressure break pump truck fluid end; 2, optical fiber transducer; 3, probe power; 4, data prediction device; 5, optical fiber propagated sensation instrument; 6, remote monitoring end; 7, system power supply.
Embodiment
Embodiment 1:
The present embodiment provides a kind of pressure break pump truck fluid end on-line monitoring system, as shown in Figure 1, comprise and be arranged on optical fiber transducer 2 on pressure break pump truck fluid end 1 and probe power 3 thereof, described optical fiber transducer 2 is electrically connected data prediction device 4, data prediction device 4 is electrically connected optical fiber propagated sensation instrument 5, described probe power 3, data prediction device 4, the equal connected system power supply 7 of optical fiber propagated sensation instrument 5.
The vibration signal of pressure break pump truck fluid end 1 is gathered by optical fiber transducer 2, and by Signal transmissions to data prediction device 4, feature extraction and identification is carried out by data prediction device 4 pairs of fluid end vibration signals, then by optical fiber propagated sensation instrument 5, the vibration signal of Real-time Collection and institute's established model are contrasted, judge the working condition of current fluid end, and result is presented on the liquid crystal display of propagated sensation instrument, judge for operator, system power supply 7 provides power supply for whole device.
Optical fiber propagated sensation instrument 5 in the present embodiment is products of Shanghai Hua Wei sensor technology Co., Ltd.The signal receiving data high-speed being applicable to the polytype optical fiber transducers such as temperature, ess-strain, pressure, displacement, acceleration synchronously identifies.1-32 optical fiber measurement passage of optical-fiber wireless propagated sensation instrument can carry out flexible configuration within the scope of 1Hz ~ 100KHz signal acquisition rate, and the change acquisition rate intellectuality thus between the Dynamic Signal such as the tempolabile signal such as satisfied temperature, ess-strain and acceleration gathers.Its essential extracts each sensor signal features and identifies, then application software system identifies fluid end operating mode, and has human-computer interaction interface, realizes real-time display and the Systematical control of operating mode.It is equivalent to an industrial computer with signal acquisition process function in essence.
Embodiment 2:
On the basis of embodiment 1, in the present embodiment, described optical fiber propagated sensation instrument 5 is connected with remote monitoring end 6 by radio connection.Pressure break pump truck sends data to the remote monitoring end 6 be positioned on measuring truck by the wireless signal transmitter of optical fiber propagated sensation instrument 5, pressing crack construction commander is by the runnability of the man-machine interaction interface understanding pressure break pump truck fluid end of this remote monitoring end 6.
Further, the present embodiment can also use by many group pressure break pump truck parallel combinations, as shown in Figure 2, for fracturing unit truck group, every platform pressure break pump truck sends data to the remote monitoring end 6 be positioned on measuring truck by the wireless signal transmitter of optical fiber propagated sensation instrument 5, pressing crack construction commander is by the runnability of every platform pressure break pump truck fluid end in the man-machine interaction interface understanding car group of this system.
Embodiment 3:
Optical fiber transducer 2 in the present embodiment comprises fibre optic accelerometer and optical fibre vibration sensor, described optical fiber transducer 2 has multiple, pressure break pump truck fluid end 1 has at least on one group of adjacent side and is all distributed with optical fiber transducer 2, and the upper and lower surface of pressure break pump truck fluid end 1 has at least an EDS maps to have optical fiber transducer 2.
As shown in Figure 3, for a kind of concrete arrangement, fibre optic accelerometers and optical fibre vibration sensor are in placement process, need arrange on position, each measured point, be in figure and position, each measured point is all furnished with fibre optic accelerometers and optical fibre vibration sensor, 5 measuring points of upper surface are for measuring displacement and the Vibration Condition of each cylinder Vertical direction of fluid end (i.e. above-below direction in fluid end working procedure); 5 measuring points of right flank are for measuring displacement and the Vibration Condition of each cylinder substantially horizontal of fluid end (i.e. fore-and-aft direction in fluid end working procedure); The measuring point of front and back sides is for measuring displacement and the Vibration Condition of fluid end horizontal axis (and in fluid end work process left and right directions).In fluid end observation process, by to fluid end and each cylinder body in the displacement of the six directions such as up, down, left, right, before and after and Vibration Condition monitoring, and the oscillating curve contrasted when fluid power rectifies normal process and abnormal work, fluid end body vibration situation is detected.
In the present embodiment, optical fiber transducer 2 adopts sucker-type to be connected with the Placement of pressure break pump truck fluid end 1, after fluid end damages replacing, the fluid end that only sensor need be retightened replacing can carry out the on-line monitoring of fluid end, on-Line Monitor Device is longer for working life, and a pressure break pump truck is scrapped from going into operation to without the need to changing fluid end on-Line Monitor Device.
Embodiment 4:
Data prediction device 4 in embodiment 1 is specially data collecting card in the present embodiment, is mainly used in gathering sensing data and filtering process.
In the present embodiment, native system needs to adopt 24VDC to power, can direct power taking from pressure break pump truck, without the need to independent power supply.Therefore in the present embodiment, system power supply 7 is pressure break pump truck power supply, and connect DC electrical source booster by pressure break pump truck vehicular power-bottle and form, pressure break pump truck vehicular power-bottle provides the voltage of 12VCD, becomes 24VDC and power after DC electrical source booster.
Application mode of the present invention is:
1, before pressure break pump truck fluid end 1 brings into operation, opening system power supply 7, is system power supply.
2, optical fiber transducer 2 starts to gather the vibration signal of pressure break pump truck fluid end 1.
3, data pre-processing unit 4(data collecting card) data that gather optical fiber transducer 2 carry out pretreatment and feature extraction (gathers the vibration signal of fluid end to high precision photoelectric sensor, by to the process of relevant vibration signal and frequency signal and feature extraction), form Wave data.
4, optical fiber propagated sensation instrument 5 identifies the Wave data by feature extraction and judges, and result of determination and shocking waveshape is presented on the liquid crystal display of optical fiber propagated sensation instrument 5.
5, operator observe fluid end real-time running state by liquid crystal display.
6, when pressure break pump truck fluid end 1 occurs that abnormal or each component wear is comparatively serious, there is alarm signal and the assembly of pointing out abnormal cause and need change in optical fiber propagated sensation instrument 5, and alert is selected a good opportunity and carried out Maintenance and Repair to pressure break pump truck fluid end 1.
7, operator complete after pressure break pump truck fluid end 1 safeguards and overhaul, and repeat 1-6 step and proceed construction.
8, optical fiber propagated sensation instrument 5 is by result of determination and shocking waveshape real-time Transmission to remote monitoring end 6, and construction commander can grasp the working condition of each pressure break pump truck fluid end in fracturing unit truck group in real time.
9, after pressing crack construction terminates, operator's shutdown system.
In above-mentioned 4 embodiments, communication adopts RS485 communication protocol, guarantees that in working procedure, data transmission is stable, normal.All the sensors, connecting line, data processing unit all adopt Explosion-proof Design, and Safety performance reaches related request.
This system of the present invention also can reserve multiple communication port simultaneously, and easily extensible realizes the real-time monitoring as multiple pressure break pump truck component parameters such as pressure break pump truck power end, transmission case, motor, torque-converters, fan hydraulic motor, is not limited in fluid end.
In sum, this pressure break pump truck fluid end on-line monitoring system of the present invention, to the system that pressure break pump truck fluid end vibration signal is monitored and analyzed, by gathering the vibration signal of fluid end to high precision photoelectric sensor, by to the process of relevant vibration signal and frequency signal and feature extraction, analyze the fluid end pump housing, plunger, valve body assembly, gasket seal, the working state of each assembly such as spring, and analysis result real-time Transmission is commanded to site operation, realize the anticipation to fluid end and each assembly operating mode thereof, personnel are made to carry out with changing to the assembly gone wrong in time before it goes wrong, effectively reduce the possibility that in work progress, pressure break pump truck fluid end goes wrong, improve and be constructed into power, reduce cost of production simultaneously, increase work efficiency.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.

Claims (7)

1. a pressure break pump truck fluid end on-line monitoring system, it is characterized in that: comprise and be arranged on optical fiber transducer (2) on pressure break pump truck fluid end (1) and probe power (3) thereof, described optical fiber transducer (2) electrical connection data prediction device (4), data prediction device (4) electrical connection optical fiber propagated sensation instrument (5), described probe power (3), data prediction device (4), optical fiber propagated sensation instrument (5) be connected system power supply (7) all.
2. pressure break pump truck fluid end on-line monitoring system as claimed in claim 1, is characterized in that: described optical fiber propagated sensation instrument (5) is connected with remote monitoring end (6) by radio connection.
3. pressure break pump truck fluid end on-line monitoring system as claimed in claim 1 or 2, is characterized in that: described optical fiber transducer (2) comprises fibre optic accelerometer and optical fibre vibration sensor.
4. pressure break pump truck fluid end on-line monitoring system as claimed in claim 3, it is characterized in that: described optical fiber transducer (2) has multiple, pressure break pump truck fluid end (1) has at least on one group of adjacent side and is all distributed with optical fiber transducer (2), and the upper and lower surface of pressure break pump truck fluid end (1) has at least an EDS maps to have optical fiber transducer (2).
5. the pressure break pump truck fluid end on-line monitoring system as described in claim 1 or 2 or 4, is characterized in that: the mode that described optical fiber transducer (2) adopts sucker to connect is adsorbed on pressure break pump truck fluid end (1).
6. pressure break pump truck fluid end on-line monitoring system as claimed in claim 1, is characterized in that: described data prediction device (4) is data collecting card, gathers and filtering process to sensing data.
7. pressure break pump truck fluid end on-line monitoring system as claimed in claim 1, is characterized in that: described system power supply (7) is pressure break pump truck power supply, connects DC electrical source booster form by pressure break pump truck vehicular power-bottle.
CN201510052712.2A 2015-02-02 2015-02-02 Online monitoring system for fracturing pump truck fluid end Pending CN104612957A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107762825A (en) * 2017-12-04 2018-03-06 西南石油大学 A kind of pressure break pump hydraulic end plunger and spool position detecting system
CN107939661A (en) * 2017-12-04 2018-04-20 西南石油大学 A kind of pressure break pump hydraulic end running parameter real-time monitoring system
US10047741B2 (en) 2016-08-18 2018-08-14 Caterpillar Inc. Monitoring system for fluid pump
CN110088699A (en) * 2016-12-09 2019-08-02 德马吉森精机株式会社 Information processing method, information processing system and information processing unit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5899272A (en) * 1997-05-21 1999-05-04 Foremost Industries Inc. Fracture treatment system for wells
CN1718995A (en) * 2005-05-17 2006-01-11 江苏工业学院 System for detecting state and diagnosing faults of drilling pump
CN103412502A (en) * 2013-06-29 2013-11-27 成都宏天电传工程有限公司 Automatic control system of fracturing truck
CN203430499U (en) * 2013-08-22 2014-02-12 刘雪飞 Well fracturing parameter intelligent monitoring system
CN204511849U (en) * 2015-02-02 2015-07-29 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 A kind of pressure break pump truck fluid end on-line monitoring system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5899272A (en) * 1997-05-21 1999-05-04 Foremost Industries Inc. Fracture treatment system for wells
CN1718995A (en) * 2005-05-17 2006-01-11 江苏工业学院 System for detecting state and diagnosing faults of drilling pump
CN103412502A (en) * 2013-06-29 2013-11-27 成都宏天电传工程有限公司 Automatic control system of fracturing truck
CN203430499U (en) * 2013-08-22 2014-02-12 刘雪飞 Well fracturing parameter intelligent monitoring system
CN204511849U (en) * 2015-02-02 2015-07-29 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 A kind of pressure break pump truck fluid end on-line monitoring system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10047741B2 (en) 2016-08-18 2018-08-14 Caterpillar Inc. Monitoring system for fluid pump
CN110088699A (en) * 2016-12-09 2019-08-02 德马吉森精机株式会社 Information processing method, information processing system and information processing unit
CN107762825A (en) * 2017-12-04 2018-03-06 西南石油大学 A kind of pressure break pump hydraulic end plunger and spool position detecting system
CN107939661A (en) * 2017-12-04 2018-04-20 西南石油大学 A kind of pressure break pump hydraulic end running parameter real-time monitoring system

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Application publication date: 20150513