- Since 1988, it has provided the indicator diagram load sensor, drilling-log special sensor, salvage panel meter and drawwork sendor for oilfields;
- Sunmoon has long worked in research, development and manufacture of oilwell production data collection and remote measurement and control systems, and from a series of special sensors to the digital remote wireless measurement and control system, it possesses a set of complete product solution, serving the off-site measurement and control systems for single well data collection, metering station, transfer station/pressure boosting station, water distribution station/gas distributing station in oil production line.
- Spot supply of mature products which passes on-site long-term application tests: load, angular displacement, accelerated speed displacement, temperature, pressure, electric energy sensors/transmitters, digital wireless sensor, RTU.
- System standardized interface: The standardized interface is connected to SCADA system, DCS system and other network system to share data sources and actualize the networking application with oil production scheduling management system.
- Customization: Our professional design team of sensor and industrial automation measurement and control equipment follows the continuous improvement of oil production technology and provides customized products and professional matching technology application solutions.
Professional technical service means: Sunmoon has many years of indicator production experience and original and perfect on-line check scheme for indicator diagram sensor, and provides supporting check instruments and technical services, ensuring accuracy of long-term operation of indicator diagram data collection system.
1. Function
1.1well diagram monitor: indicator diagram, current diagram and power diagram;
1.2diagram parameter monitor: maximum and minimum loads, stroke, times of stroke, degree of balance, etc.;
1.3parameter monitor: oil pressure (or manifold pressure), casing pressure, wellhead temperature, etc.;
1.4power monitor: three-phase current of motor, three-phase voltage, active power, power factor, etc.;
1.5control of oilwell: remote well opening, well closing, complete voice warning before remote well opening and closing;
1.6alarm monitor: alarm for well stopping and opening; three-phase current unbalance alarm, voltage default phase alarm; power failure alarm (optional function); security alarm (optional function);
1.7data interface: The standard Modbus RTU or custom protocol RS485 interface is used to connect the data equipment of other third party; for example, it is used to connect the circuit protocol converter of the third party in the measurement application between valve banks; or it is used for frequency converter equipment at well site.
1.8maintenance: remote configuration of working parameters; remote monitoring of working and health status; remote update of application program.
2. Features
2.1for monitoring well conditions of beam-pumping unit well, belt type pump well, screw pump well, electric submersible pump well, water injection well (or water injection valve interblock), water source well, etc.;
2.2field-oriented application design with high protection grade; the indicator diagram acquisition controller adopts the explosive-proof enclosure design;
2.3sensor, traditional industrial grade product, stable and reliable; the active power supplying is used to satisfy the demand for real time and highly frequent acquisition cycle of indicator diagram;
2.4load, angular displacement, pressure and temperature adopt the unified system standard signal an the two-wire system of 4~20mA; parallel transmission of power supply and signal, self-adaption of wiring polarity;
2.5power acquisition controller is used to realize in real time the power parameter collection, start and stop control of pumping unit motor through highly reliable industrial grade data communication bus ----- CAN bus;
2.6indicator diagram acquisition controller and power acquisition controller have the DO and DI interfaces designed for remote start and stop control of the pumping unit;
2.7communication interfaces with several systems;
2.8calibration; the professional indicator diagram measuring function check tool (SM40YBC type indicator) is used to actualize comparison and calibration of online system of indicator diagram measuring function according to the principle of standard force transmission;
2.9SM - DW Panel handheld terminals, wireless sensor calibration, live online configuration and other routine maintenance work; SM - DW Panel can be used as electronic transfers
2.10for installation, compact structure
2.11cost performance.
Audited Supplier 
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