CN210289723U - Oil pumping unit well site intelligent management workstation - Google Patents

Oil pumping unit well site intelligent management workstation Download PDF

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CN210289723U
CN210289723U CN201920711749.5U CN201920711749U CN210289723U CN 210289723 U CN210289723 U CN 210289723U CN 201920711749 U CN201920711749 U CN 201920711749U CN 210289723 U CN210289723 U CN 210289723U
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conversion unit
intelligent
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parameter conversion
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韩修廷
刘开绪
刘荫琪
景方阳
王剑鑫
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Daqing Zhengfang Software Technology Co ltd
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Daqing Zhengfang Software Technology Co ltd
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Abstract

The utility model relates to a beam-pumping unit well site intelligent management workstation, including 3I/V mutual-inductor, pressure transmitter, temperature transmitter, hall sensor, crank shaft sensor, central intelligent unit, converter, auxiliary relay, bee calling organ, camera, central intelligent unit is Arm-A53 series central control system, is equipped with 3I/V parameter conversion unit, pressure parameter conversion unit, temperature parameter conversion unit, switching value conversion unit, DAC conversion unit, USB interface, auxiliary relay in the central intelligent unit. The utility model discloses an Arm-A53 series central control system, memory enlarge more than several tens of thousands times than current singlechip memory, and the operating system of the different demands of self mountable realizes the powerful software programming of function, forms beam-pumping unit well site intelligent management workstation.

Description

Oil pumping unit well site intelligent management workstation
Technical Field
The utility model belongs to the field of oilfield equipment control, a beam-pumping unit well site intelligent management workstation is related to.
Background
International energy supply and demand relations are increasingly tense, energy consumption and gaps are increased year by year, comprehensive water content of most of domestic old oil fields exceeds 90%, and exploitation benefits are deteriorated year by year. The matching technology and method for intelligent well field management of the oil-water well, which are safe, environment-friendly, energy-saving and low in cost, are urgently needed to be researched, and the exploitation benefits of the low-efficiency oil field are improved. At present, 3-4 million oil-water wells exist in the world. The oil well beam pumping unit as a main artificial lifting mode accounts for more than 75% of a lifting well. The invention discloses a well site intelligent management workstation, which aims to improve the management level and efficiency of an oil-water well, reduce the manual management cost of an oil field, shorten the accident discovery period of the oil-water well, improve the recovery timeliness and production time rate of the accident of the oil-water well and improve the overall efficiency and benefit of the oil field. With the rapid development of the large data artificial intelligence technology oil field application, the existing well site intelligent control box system which is controlled by taking a single chip microcomputer as a center is severely restricted by processing capacity and function expansion, and a set of well site management intelligent workstation system which is suitable for oil field well site large data artificial intelligence processing, has thousands of times of hardware processing capacity improvement and has strong software acquisition, storage, analysis and intelligent disposal functions is urgently needed to be researched.
Disclosure of Invention
The utility model aims at providing a beam-pumping unit well site intelligent management workstation mainly utilizes big data artificial intelligence technique to improve the quick development of the application of oil field benefit, overcomes the current well site intelligent control case system that uses the singlechip as central control and receives the serious restriction of throughput and function, and the hardware ability reinforce, software function are many to the urgent need of solution, and supporting technology is complete, ensures the problem of the workstation system of the benign operation of system.
The utility model discloses a following technical scheme realizes:
an intelligent management workstation for a well site of an oil pumping unit comprises a 3I/V mutual inductor, a pressure transmitter, a temperature transmitter, a Hall sensor, a crankshaft sensor, a central intelligent unit, a frequency converter, an intermediate relay, a buzzer and a camera, wherein the central intelligent unit is an Arm-A53 series central control system, the central intelligent unit is internally provided with a 3I/V parameter conversion unit, a pressure parameter conversion unit, a temperature parameter conversion unit, a switching value conversion unit, a DAC conversion unit, a USB interface and an intermediate relay, the 3I/V mutual inductor, the pressure transmitter and the temperature transmitter are respectively connected with the input end of the central intelligent unit through the 3I/V parameter conversion unit, the pressure parameter conversion unit and the temperature parameter conversion unit, and the Hall sensor and the crankshaft sensor are respectively connected with the input end of the central intelligent unit through the switching value conversion unit, the output end of the central intelligent unit is connected with the buzzer, and is simultaneously connected with the frequency converter through the DAC conversion unit, the camera through the USB interface and the downstream control equipment through the intermediate relay.
Furthermore, the central intelligent unit is also provided with an RS232/RS485 communication interface module, and the RS232/RS485 communication interface module is respectively connected with wireless short-distance communication, remote communication data transmission and communication among devices.
Furthermore, the central intelligent unit is also provided with an RJ45 network interface, and the RJ45 network interface is connected with the camera.
Secondly, a control method for the intelligent management workstation of the oil pumping unit well site comprises the following steps:
(1) the 3I/V mutual inductor, the pressure transmitter and the temperature transmitter input the sensed data into the central intelligent unit through the 3I/V parameter conversion unit, the pressure parameter conversion unit and the temperature parameter conversion unit, and the Hall sensor and the crankshaft sensor input the sensed data into the central intelligent unit through the switching value conversion unit;
(2) after the central intelligent unit operates, the buzzer is controlled to work, the DAC conversion unit is used for controlling the frequency converter, the USB interface is used for controlling the camera, and the intermediate relay is used for controlling the downstream control equipment to work.
Adopt above-mentioned technical scheme's positive effect:
(1) the invention adopts an Arm-A53 series central control system, the memory is more than ten thousand times larger than the memory of the existing single chip microcomputer, the single chip microcomputer can be provided with operating systems with different requirements, the powerful software programming is realized, and an intelligent management workstation of a well site of the pumping unit is formed;
(2) the power and electric energy of the workstation support three alternating current inputs of a power grid, main energy is transferred to a motor of the pumping unit through intelligent control to drag the pumping unit to intelligently pump oil, and a small amount of workstations are used by themselves and are used for intelligent action and control of well site equipment;
(3) the intelligent control software system of the workstation realizes the central control function, controls a sensor camera and the like configured in the oil-water well system, and acquires information parameters such as machinery, physics, video, pictures, noise and the like; and controlling data storage and transmission. On the basis of analysis processing, the pumping parameters of the pumping unit, such as high yield approximation, constant power energy saving and working condition optimization, are intelligently controlled to be adjusted; controlling the motor frequency, the power on-off, the current, the resistance, the voltage control actuating device and the like; performing human-computer interaction coordination on environment background data interaction and expert diagnosis analysis decision;
(4) the work station control center platform is arranged on a well site, so that the intelligent oil pumping of the oil pumping unit, the judgment and adjustment of the slipping of a motor belt, the video judgment and processing of the oil leakage of a packing, the data acquisition of an adjacent well, the pressure flow and other important parameter control can be controlled conveniently; dynamic monitoring and notification treatment of well sites, fault alarm of oil-water wells and notification and early warning of potential problems lay a foundation for promoting intelligent implementation of well site management.
Drawings
FIG. 1 is a flow chart of the present invention;
fig. 2-5 are circuit diagrams of the present invention;
FIG. 6 is a diagram of the practical application of the present invention;
fig. 7 is a motor control flow chart of the present invention.
In the figure, 1 electric cabinet, 2 motor, 3 belt, 4 reduction box, 5 crank, 6 connecting rod, 7 walking beam, 8 horse head, 9 rope suspension device, 10 polished rod, 11 base, 12 support.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings, but should not be construed as limiting the present invention:
FIG. 1 is a flow chart of the present invention, FIGS. 2-5 are circuit diagrams of the present invention, as shown in the figure, an intelligent management workstation for well site of pumping unit, comprising a 3I/V mutual inductor, a pressure transmitter, a temperature transmitter, a Hall sensor, a crankshaft sensor, a central intelligent unit, a frequency converter, an intermediate relay, a buzzer, and a camera, wherein the central intelligent unit is an Arm-A53 series central control system, and the central intelligent unit is internally provided with a 3I/V parameter conversion unit, a pressure parameter conversion unit, a temperature parameter conversion unit, a switching value conversion unit, a DAC conversion unit, a USB interface, an intermediate relay, a 3I/V mutual inductor, a pressure transmitter, and a temperature transmitter which are respectively connected with the input end of the central intelligent unit through the 3I/V parameter conversion unit, the pressure parameter conversion unit, and the temperature parameter conversion unit, hall sensor, crank shaft sensor pass through the input of switching value converting unit connection central intelligent unit respectively, and buzzer is connected to central intelligent unit's output, connects the converter through DAC converting unit simultaneously, passes through the USB interface connection camera and connects low reaches controlgear through intermediate relay. The Arm-A53 series central control system adopts the model of raw tea of manufacturers such as Shenzhen rhyme electronic and the like in China as Raspberry Pi 3B +, and other electronic elements are all commercial products and are not further described. The 3I/V mutual inductor, the pressure transmitter, the temperature transmitter, the Hall sensor and the crank shaft sensor convert sensed signals and then enter the central intelligent unit, and the signals are input after being calculated by the central intelligent unit to control the work of a downstream frequency converter, an intermediate relay, a buzzer, a camera and the like.
The central intelligent unit is also provided with an RS232/RS485 communication interface module, and the RS232/RS485 communication interface module is respectively connected with wireless short-distance communication, remote communication data transmission and communication among devices and is mainly used for transmitting signals.
Furthermore, the central intelligent unit is also provided with an RJ45 network interface, and the RJ45 network interface is connected with the camera to provide another interface for the connection of the camera.
A method for controlling the intelligent management workstation of the pumping unit well site comprises the following steps:
(1) the 3I/V mutual inductor, the pressure transmitter and the temperature transmitter input the sensed data into the central intelligent unit through the 3I/V parameter conversion unit, the pressure parameter conversion unit and the temperature parameter conversion unit, and the Hall sensor and the crankshaft sensor input the sensed data into the central intelligent unit through the switching value conversion unit;
(2) after the central intelligent unit operates, the buzzer is controlled to work, the DAC conversion unit is used for controlling the frequency converter, the USB interface is used for controlling the camera, and the intermediate relay is used for controlling the downstream control equipment to work.
The utility model selects an Arm-A53 series as a central control system, enlarges the memory more than ten thousand times than a single chip microcomputer, and improves the precision from 16 bits to 64 bits. CPU operation systems with different requirements can be installed, so that a powerful intelligent software programming function and an intelligent control function of a well site of the pumping unit are realized, and conditions are created for large-data intelligent software programming and operation control. The Arm-A53 module is used for development, a finished board is selected for the 3I/V transformer module and is output through an SPI interface, or the Arm-A53 board resources are comprehensively considered to provide a required optimal interface mode. The Arm-A53 series is used as a central control system, the memory capacity is improved by more than thousand times compared with a single chip microcomputer, and the speed precision is high; the system has strong programming capability and system physical, mechanical, photoelectric image and sound information acquisition and transmission processing capability; the system software has strong big data deep analysis and mining capacity; the intelligent control and treatment function of expert diagnosis of strong potential fault problems is provided; the device meets the strict requirement of continuous working of the well site in severe cold and severe field environment all the year round.
The load of the oil pumping unit alternates greatly in a 360-degree period, so that the load of a dragging motor alternates greatly. The lower the load utilization, the lower the efficiency. The efficiency is gradually improved along with the improvement of the load utilization rate until the efficiency reaches the highest point when the load utilization rate reaches 80% -100%. The utilization rate of the working load of the motor of the beam pumping unit at the upper dead point and the lower dead point is close to zero or even equal to a negative value, so the efficiency is also close to zero or a negative value. The load utilization rate in most areas is low, and the energy effective utilization is unreasonable. Therefore, in order to solve the problem of low efficiency or negative value of the upper dead point and the lower dead point of the pumping unit, the speed of the pumping unit is intelligently controlled to realize constant power by utilizing the principle that the power of the pumping unit is equal to force multiplied by speed (N is F multiplied by V). When the load is large, the speed is reduced, and the power is reduced. The system power reduction caused by the measure mainly has 3 factors, namely, the speed is low, and the power is low; the large-mass moving parts such as the two balance blocks are decelerated, and the kinetic energy of the system is reduced and released, so that the instantaneous energy consumption is quickly reduced; thirdly, the speed is low and the friction resistance is reduced. Conversely, the system is accelerated to increase the speed to make the low power larger; secondly, the speed of large-mass moving parts such as balance blocks is reduced, the kinetic energy of the system is increased, and the energy of the system is absorbed, so that the instantaneous energy consumption is increased rapidly; thirdly, the speed is high, and the friction resistance is improved; the power can be made constant by adjusting (F × V), solving the problems of low load and low efficiency in the upper and lower dead points or periods of the horse head.
Abnormal pictures and noises are found out through camera shooting and noise deep neural network learning analysis, the problem of accurate judgment of actual problems of a well site is solved, a camera, a picture monitoring system and a noise sensor are designed, and sample collection and problem classification are carried out; intelligent software training, neural network information deep knowledge learning, accurate snapshot and judge the abnormal problem of oil-water well and well site, provide technical support for timely disposal.
The workstation design is optimized through the structure, and components and parts are optimized according to environmental conditions, so that the harsh requirements of continuous working of well sites in severe field environments of severe weather (minus 40 ℃ degrees), sand storm and rain snow in four seasons can be met. The work station control center or the platform with strong functions moves forwards to a well site, so that intelligent oil pumping of the oil pumping unit, judgment and adjustment of motor belt slippage, video judgment and processing of oil leakage of packing, data acquisition of a nearby well, pressure flow and other important parameter control are controlled conveniently. And (4) fault alarm of the oil-water well and notification and early warning of potential problems. And a foundation is laid for promoting intelligent implementation of a well site.
The intelligent control also realizes the control of pumping parameters such as frequency, switching power supply, current, resistance, voltage execution device and the like of the pumping unit with high yield approximation, constant power energy saving and working condition optimization; and (5) performing human-computer collaborative analysis decision on environment background data interaction and expert diagnosis.
Fig. 6 is the utility model discloses an actual application is illustrated, fig. 7 is the utility model discloses a motor control flow chart, as shown in the figure, during operation, first, above-mentioned central intelligent unit install in the box that accords with the abominable open-air four seasons operation atress round the clock of workstation, anticorrosive anti-photoelectric magnetic stripe spare radiation, and the box also is the component part of workstation, still should form a complete set completion system function simultaneously.
Second, the workstation is installed in the appropriate location on the pumping well site. Three alternating currents are connected into a workstation from three power grid transformers in a well site to serve as power and electric energy support, main energy is controlled by parameters such as intelligent frequency modulation and the like and then is transmitted to a motor of the oil pumping unit to drag the oil pumping unit to intelligently pump oil, and a small number of electric energy workstations are used by themselves and are used for action and control of intelligent equipment of well site equipment.
And thirdly, selecting types, connecting sensors, cameras and other data information acquisition components for acquiring information parameters such as machinery (motor rotating speed, balance block geometric position, load and the like), physics (three currents, voltage, power factor, pressure, temperature flow and the like), video, pictures, noise and the like matched with the workstation, and selecting a reasonable position to install by adopting a special process.
And fourthly, installing a system and intelligent application software to acquire, transmit, process, analyze and diagnose data information and intelligently control and debug.
Fifthly, inputting dynamic and static data of the oil-water well system, (1) inputting static data of the oil-water well, wherein the static data comprises static parameters such as the type of the pumping unit; the oil-water well structure well depth and other relevant parameters; oil-water well reservoir related parameters; a well fluid related parameter; (2) calling dynamic parameters of the oil-water well, related databases such as A1, A2 and A5 developed by the oil field and related data; and (3) recording, transmitting, processing, applying and the like of online acquired data information.
Sixthly, operating a workstation system, wherein the execution system has the main functions of (1) executing intelligent analysis control, and 1) judging and controlling the belt looseness of a motor of the oil pumping unit; 2) deep learning, snap-shooting, judging and controlling an oil leakage view screen neural network of a wellhead packing box; 3) energy-saving constant-power control of the oil pumping unit; 4) constant power low load start control, etc. (2) 14 common faults of the system are alarmed, and the system is comprehensively diagnosed, analyzed and judged to timely alarm 14 common phenomena of sucker rod breakage, oil well paraffin deposition, motor power, current overload, power supply phase failure and the like. (3) The alarm notification item processing flow is transparent and online.
Seventhly, maintaining the system, monitoring the hardware system of the workstation to work normally, and ensuring timely regular maintenance and replacement; the software system meets the production requirement, and the card does not overflow; enough storage space is reserved in the monitoring data storage memory; the alarm problem handling process is not blocked.
Adopt the technical scheme of the utility model:
1. the system has large memory which can be hundreds of G from hundreds of K to several or dozens of G at present according to the requirement, and the memory is expanded by tens of thousands to hundreds of thousands; an operating system can be installed to carry out small and medium intelligent software programming; the device can be externally connected with data information acquisition sensors, such as current, voltage, power factor, flow, pressure, temperature and the like; the device can be externally connected with information acquisition equipment for camera shooting, noise, taste sense and the like; can control important equipment, instruments and systems to execute intelligent functions.
2. The system has large memory, can be provided with operating systems with different requirements according to the requirements, can be provided with small and medium-sized intelligent software required by the system, and can realize the functions of energy conservation, working condition optimization and the like of the pumping unit.
(1) The energy-saving constant-power control of the oil pumping unit is realized, for example, the load alternating amplitude of the oil pumping unit is large in a 360-degree period of an up-down stroke; the power changes from maximum to zero or even negative value, the power factor changes from 0.9 to zero or even negative value, changes 5-10 cycles per minute, and changes continuously in each cycle. Resulting in high frequency of instantaneous changes, poor working conditions and high energy consumption. The frequency converter at the front end of the motor is controlled by the system, and the frequency is reduced when the load is large; when the load is small, the frequency is adjusted to be large, and the whole cycle is operated at constant power. The power is basically constant after the system is controlled; the power factor approaches to 1, the energy is saved by about 10% before and after the adjustment of the same motor of the same oil pumping unit, and the energy saving range is larger by optimizing the motor after the adjustment.
(2) By optimizing control and adopting constant-power low-speed starting, the starting power of the oil pumping unit can be greatly reduced by more than 10 times. The starting power of the normal pumping unit is 3-3.5 times higher than the normal running power; the design controls the starting power to be 3-4 times smaller than the normal power. The actual control starting power is more than 10 times smaller than the normal starting power without control.
(3) The system can comprehensively test and diagnose the working condition and the service life of the motor belt of the oil pumping unit, can find the loosening and slipping of the motor belt on line in time and early, can adjust the tightness of the belt in time, improves the oil pumping time rate and reduces the fault rate. The effects of three aspects are mainly brought, firstly, the influence on the normal work of the pumping unit caused by the slippage of the belt is reduced, and the influence on the yield is 3-5% when the belt is serious; secondly, economic loss caused by the influence of the broken belt on the time efficiency of the oil well and accidents is reduced; and thirdly, the service life of the belt can be prolonged, the oil well management level and the benefit can be improved, and if the belt slips untimely, the belt can be worn off quickly by adjusting the tightness.
(4) The system has functions of diagram diagnosis and comprehensive judgment and analysis, and can alarm and process 14 common phenomena such as sucker rod breaking, wax deposition of a pumping well, motor power, current overload, power phase failure and the like in time in a transparent and online manner. The on-line monitoring is carried out once within 5 to 10 minutes, and the cycle is shortened by about 4000 times compared with that of the conventional work chart liquid level testing once within half a month to 1 month. Therefore, the problem finding timeliness rate can be improved by 10 times to hundred times through online monitoring; the problem processing timeliness rate is improved by several times to dozens of times.

Claims (3)

1. The utility model provides a beam-pumping unit well site intelligent management workstation which characterized in that: the intelligent control system comprises a 3I/V mutual inductor, a pressure transmitter, a temperature transmitter, a Hall sensor, a crankshaft sensor, a central intelligent unit, a frequency converter, an intermediate relay, a buzzer and a camera, wherein the central intelligent unit is an Arm-A53 series central control system, a 3I/V parameter conversion unit, a pressure parameter conversion unit, a temperature parameter conversion unit, a switching value conversion unit, a DAC conversion unit, a USB interface and the intermediate relay are arranged in the central intelligent unit, the 3I/V mutual inductor, the pressure transmitter and the temperature transmitter are respectively connected with the input end of the central intelligent unit through the 3I/V parameter conversion unit, the pressure parameter conversion unit and the temperature parameter conversion unit, the Hall sensor and the crankshaft sensor are respectively connected with the input end of the central intelligent unit through the switching value conversion unit, and the output end of the central intelligent unit is connected with the buzzer, meanwhile, the DAC conversion unit is connected with the frequency converter, the USB interface is connected with the camera and the intermediate relay is connected with the downstream control equipment.
2. The intelligent management workstation of a pumping unit wellsite of claim 1, wherein: the central intelligent unit is also provided with an RS232/RS485 communication interface module, and the RS232/RS485 communication interface module is respectively connected with wireless short-distance communication, remote communication data transmission and communication among devices.
3. The intelligent management workstation of a pumping unit wellsite of claim 1, wherein: the central intelligent unit is also provided with an RJ45 network interface, and the RJ45 network interface is connected with the camera.
CN201920711749.5U 2019-05-17 2019-05-17 Oil pumping unit well site intelligent management workstation Active CN210289723U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110043228A (en) * 2019-05-17 2019-07-23 大庆正方软件科技股份有限公司 A kind of oil pumping unit well field intelligent management work station
WO2022205773A1 (en) * 2021-04-01 2022-10-06 中油智采(天津)科技有限公司 Multi-phase regulation and control multi-well pumping unit
US11955782B1 (en) 2022-11-01 2024-04-09 Typhon Technology Solutions (U.S.), Llc System and method for fracturing of underground formations using electric grid power

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110043228A (en) * 2019-05-17 2019-07-23 大庆正方软件科技股份有限公司 A kind of oil pumping unit well field intelligent management work station
WO2022205773A1 (en) * 2021-04-01 2022-10-06 中油智采(天津)科技有限公司 Multi-phase regulation and control multi-well pumping unit
US11955782B1 (en) 2022-11-01 2024-04-09 Typhon Technology Solutions (U.S.), Llc System and method for fracturing of underground formations using electric grid power

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