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Oil&Gas Wells Control System WCS801
Hardware&software developed by UR6LFK
UR6LFK develops CS systems for oil and gas production. The newest development is Oil and Gas Wells Control System, consists of Remote Object Monitoring System & Telemetry to optimize wells operating mode controll:
· Remote Object Monitoring System and Telemetry with autonomous power supply and GSM/radio communication;
· Industrial Server and Manager Workspace;
Wells Control System (WCS801) is designed for remote data collection from measuring tranducers, transmission, storage and display of oil and gas wells measured physical parameters.
WCS801 allows remote monitoring wells parameters, like a pressure, temperature and formation of hydrates.
Wells Control System (WCS801) within the remote location of the Wells Control Devices RCS501 with an autonomous power supply from the lithium rechargeable battery and charging system on a solar panels permits the data collection from measuring transducers and transmits the measured values on the Remote Controller Server and Manager Workspace MCS701.
Wells Control Devices RCS501 consists of a Wells Control Unit CS401, analog input module in Ex-performance, pressure and temperature sensors in Exd case, and electric cables in an armored version with non-combustible insulation.
Wells Control Unit CS401 has the following inputs transducers:
- 2 analog inputs transducers with current interface 4-20mA (pressure sensors, thermocouples with built-in normalizing temperature transmitter);
- 1 analog input for RTD temperature resistance sensor Cu50 / Pt50 / Cu100 / Pt100;
- 1 discrete input for connecting external devices with digital level output;
- Accuracy: 4-20mA inputs – less than 0.5% for RTD input Pt100 – less than 1°C
All inputs are equipped with IS barrier class ExiaIICT4.
Poll transducers produced by the accumulation of a predetermined number of measurements to calculate the average value and the exclusion of the erroneous measurement results in 3 seconds, 1 time per hour (may be installed in a range: 10 min - 6 hours), and transmitted to the Remote Manager Workspace server MCS701.
The Remote Manager Workspace receives data from several sets of Wells Control Devices RCS501, and stores them on server in a database through the use of software with the ability to display data on the screen of Remote Manager Workspace.
You can connect up to 255 devices Wells Control Devices to a Remote Manager Workspace, but its quantity can be upper than 255 upon customers request.
Using Wells Control Systems produces remote data from measuring sensors, transfer them to Remote Manager Workspace, store them in a database and display the dynamics of change in parameters such as pressure and temperature.
Analysis of the data allows to draw conclusions about the state of the well and plume processes occurring in the hole on the basis of the dynamics of changes in temperature and pressure data feed. Perhaps the timely detection of hydrate formation in the trunk of a gas well to a significant drop in productivity of the well. Timely service allows wells to increase production hydrocarbon raw and reduces the possibility of withdrawal from the operation of the well.
Technical characteristics
Manager Workspace MCS701:
- Powered by an AC voltage of 190-240(220)/380V;
- Ensuring uninterrupted power supply during the transition from the primary to the backup power supply;
- CPU Options: no worse than Core ™ i3, RAM: 8GB, HDD: at least 160GB;
- Monitor TFT or LED / IPS not less than 22”;
- Microsoft Windows 7 x86 OEM licensed;
- The preinstalled monitoring software for MCS701;
- Operating temperature range: +10 .. + 40 ° C.
Special software MCS701:
- Poll 1024 set of devices Wells Control Devices RCS501;
- Store all received measurement results;
- Possibility of calibration results to the selected measurement range 4-20mA inputs (the upper limit of measured pressure transducers 1..600MPa);
- Display of the pressure in the values: MPa, Bar, Atm, kg/cm2, PSI or another type format (user selectable);
- Display of data collected in the database archive of all the measured values and plotting parameters.
Wells Control Devices RCS501:
- Can connect up to 2 sensors with 4-20mA analog interface (temperature, pressure) and 1 RTD sensor;
- Accuracy:
-for 4-20mA inputs less then ± 0,5%,
-for RTD input with sensor Cu100/Pt100 less then ± 1 ° C;
- Data transmitting interface: GSM / GPRS + GSM / DTMF;
- Power supply: industrial Li-ion (Li-pol) rechargeable battery LIR18650PCB 3.7V capacity 2200mAph, warranty service life up to 1000 cycles (1 year);
- Solar battery with parameters: Uxx = 5V, Іmax = 0.8A;
- Degree of case protection: IP65;
- Operating temperature range: -40 .. + 80 ° C.
Intrinsic Safety Barrier for input electrical circuits IS-371:
- Barriers comply with TU 4217-002-46526536-04.
- Scope of the barrier - as marked Ex, GOST R 51330.13-99, IEC 60079-11-96, Ch. 7.3 PUE and other normative documents regulating the use of electrical equipment located outside the hazardous area and the associated intrinsically safe external circuits with electrical devices installed in hazardous areas.
- Barrier refers to the associated apparatus, implements the type of protection “intrinsically safe” – “i”, certified to the level of protection “especially explosive protected” – “a” category and IIC in accordance with GOST R 51330.10-99, IEC 60079-11-96 and is labeled Explosion [ Exia] IIC
- Limitation of voltage and current in the circuit to the intrinsically safe values when exposed to the barrier voltage to 250V
- Barriers are intrinsically safe level “ia” especially explosive protected - circuits 0,17A limited maximum current at 24V (standard for Ex ia IIC);
- Suitable for most explosive environments group IIC;
- High reliability of protection;
- A wide range of supply voltage sensors with output current (up to 28V);
- Can withstand short-term (up to 1 min) short circuit at the output terminals without untripping damaging the fuse;
- Does not require returning off the power in case of short circuit at the output terminals;
- Low error barrier (up to 0.1% of the measuring range);
- Low contact resistance "cable-barrier", provides a connection wires "screw";
- Work with sensors with 4-20mA interface (2 channels) and resistance transducer (1 channel);
- Operating temperature: -40 .. + 80 ° C (also applicable for RCS501).