Beijing Kunlun Tongzhou Automation Software Technology Co., Ltd. is a high-tech enterprise in China. The company is mainly engaged in the development of professional automation software, integration of application systems, and provides users with overall design solutions from hardware to software. The products are distributed in dozens of industries such as petroleum, chemical, metallurgy, mining, transportation, machinery, food, etc., and are applied to many industrial control sites in the country and the world. On this occasion, we will introduce the overall application of Kunlun Tongshi Company's products in the field oil well monitoring system. I. Overview Oilfield oil wells are mostly distributed in various oil fields. The monitoring and control of oil well working conditions has always been an important and difficult content of oil production fields. Most oil wells are regularly inspected by oil well inspectors or maintenance workers. The level of modern management of oil fields has been continuously improved, and the early inspectors have gradually been replaced by unattended oil wells. Our company has developed a wireless remote control telemetry system that utilizes SCADA industrial control technology and is suitable for the actual situation of domestic oil wells. In this system, using MCGS general-purpose configuration software and wireless data transmission radio, the system wireless telemetry remote control host will detect the state of the single-port production well through wireless transmission to the monitoring center, thereby achieving centralized monitoring of each single well state. Reduce personnel input, shorten the time of oil well failure detection and elimination, and greatly improve production efficiency. In addition, the system is also very suitable for oil pipeline leakage, stealing oil monitoring, used in many oil production sites, and achieved good economic and social benefits. Second, the basic system of the system is mainly composed of the oil field monitoring center and the oil well wireless telemetry remote control host, sensors, motor control devices. The oil field monitoring center is generally located in the mine department, team department or other monitoring and dispatching department, including a computer, a printer and a monitoring center transceiver. Oil well wireless telemetry remote control host (RTU). The oil well working state sensor mainly includes a temperature sensor, a voltage sensor, a motor current sensor, and a monitored switch off/close sensor, which convert the working state of the oil well into a corresponding voltage or current value and send it to the remote intelligent wireless RTU. The system has an expansion interface that can be increased according to the actual situation of the oil well. The RTU consists of a high-performance microcontroller with A/D, D/A converter, power management circuitry, battery power supply circuitry, and wireless data transmission radio. The A/D conversion converts the analog signal sent by the sensor to the state of the well into a digital signal, which is then processed and modulated by the wireless data transmission station and radiated into the space in the form of a radio frequency signal. The power management circuit is used to monitor the AC power supply. Once the AC power is cut off, it is automatically switched to the battery. When the AC power supply is normal, the AC power supply is restored and the battery is charged, and the RTU power supply is always maintained. After receiving the signal from the remote control telemetry host of the oil well, the monitoring center transceiver will amplify and demodulate the RF signal, restore the digital signal to the central control computer for processing and calculation, and monitor the oil well working condition in real time. When there is an abnormality, the central control computer immediately sends a control command to the oil well remote control telemetry host to control the motor to be shut down for repair. Third, the main functions 1, oil well working condition monitoring a, pumping unit power supply voltage monitoring b, pumping unit power supply current monitoring c, motor on / off monitoring d, oil leakage, stealing oil monitoring 2, oil well real-time fault alarm a, Voltage overvoltage, undervoltage alarm b, current overcurrent alarm c, pumping unit stop alarm d, oil leakage, stealing oil alarm 3, monitoring data statistics and printing power consumption, fault condition real-time computer display and statistical report printing. V. System engineering equipment composition 1, sensor component 2, oil well wireless telemetry remote control host 3, monitoring center transceiver 4, control center system software (MCGS general version configuration software) Specification ofStainless steel Expanded Metal/PVC coated expanded metal/diamond mesh expanded metal : The expanded metal is defined by the long way of mesh (LWM) and short way of mesh (SWM), followed by width of strand and sheet (strand) thickness, also the width and length of the plate. Expanded Metal Expanded Metal,Expanded Metal Mesh,Expanded Metal Mesh Wall Panel,Exterior Aluminum Expanded Metal Anping County Comesh Filter Co., Ltd , http://www.comeshfilter.com
4, extended features:
The system has an expansion port that can be increased according to the condition of the well and the needs of the customer. Wellhead temperature monitoring, wellhead oil pressure monitoring, wellhead casing pressure monitoring.
Fourth, the main technical performance of the system 1, sensor measurement accuracy and range a, voltage: 0 ~ 400V 2% FS
b, current: 0 ~ 150A 2% FS
c. Pressure: 0~10Mpa 1%
d, A / D conversion: 12 bits 2, communication interface: RS-232, 9600bps
3. Wireless transceiver:
a, power: 5W (no blocking transmission distance of about 20Km)
Power: 25W (no blocking transmission distance of about 50Km)
b, sensitivity: better than 0.25uV
c, RF operating frequency: 230MHz
d, the maximum addressable number 4096
e, number of channels: 16 optional 4, environmental working conditions a, temperature: -25 ° C ~ +55 ° C
b, relative humidity: 96% RH
5, the center computer uses Advantech industrial computer 6, printer: laser
5. Monitoring center computer
:
For Example: The XM4210/2010 expanded metal is read as 42 x 10 mm - 2.0 x 1.0 mm.
The width of the sheet often has to be limited, but the length of the expanded metal can in most cases be
without restrictions.
Examples of our best-selling mesh types we often keep in stock: 12x6, 16x8, 20x10, 28x10, 28x12, 42x16,
42x20, 51x22, 62x28 and 75x30.
1.Mini expanded metal
Short way of distance 2.0-5.7mm
Long way of distance 3.0-12.7mm
Plate thickness 0.5-1.0mm
Strand 0.5-1.5mm
small expanded metal
Short way of distance 10.0-36.0mm
Long way of distance 25.0-100.0mm
Plate thickness 1.0-3.0mm
Strand 1.1-4.1mm
2.medium expanded metal
Short way of distance 22.0-50.0mm
Long way of distance 60.0-100.0mm
Plate thickness 3.0-5.0mm
Strand 3.0-7.0mm
3.heavy expanded metal
Short way of distance 38.0-56.0mm
Long way of distance 100.0-150.0mm
Plate thickness 6.0-8.0mm
Strand 6.0-11.0mm
Field Application of Automation Software in Oilfield Oil Well Monitoring System
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