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Weatherford's RMS Lite Optical-Sensor Reservoir Monitoring System
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Overview of the RMS Lite Optical-Sensor Reservoir Monitoring System
Weatherford's RMS Lite is a basic-level surface data-acquisition system, designed to monitor up to three Weatherford optical pressure/temperature gauges and distributed-temperature-sensing (DTS) systems and provide Web-enabled accessibility to readings on demand. With considerable local storage capacity, the RMS Lite can hold an extensive amount of high-frequency data over broad time periods. This system offers a cost-effective alternative for experiencing the benefits of in-well optical permanent monitoring systems.
Applications for the RMS Lite Optical-Sensor Reservoir Monitoring System
- Offshore and onshore developments with air-conditioned control rooms
- Trial projects, appraisals, or small unit counts
- Enhancement of DTS monitoring applications
- Seamless integration with intelligent completion hydraulic control panels
RMS Lite Optical-Sensor Reservoir Monitoring System Features, Advantages, and Benefits
- The RMS Lite is designed to record data at the highest density, even if only a slow update rate is sent to the production facility's control system—enabling detailed analysis of any production anomalies.
- A network hub, floppy disk, and CD burner are included, reducing startup costs.
- A small footprint makes the RMS Lite system ideal for space-limited facilities.
- The RMS Lite offers support for up to three optical pressure/temperature gauges, reducing costs by minimizing the need for additional equipment.
- The RMS Lite can be used to support DTS by simply adding a DTS interrogation module and an optional optical switch.
- Passive downhole components facilitate upgrading of system hardware and software as enhancements become available, improving overall system performance.
- The operator can view real-time and historical data or demand, through a Web browser, enabling production optimization.

Specifications of the RMS Lite Optical-Sensor Reservoir Monitoring System
General Specifications |
Number of P/T gauges monitoring capability* |
3 |
Number of flowmeters supported |
8/Rheos™ module |
Number of DTS channels supported |
9 or 18/DTS switch |
Update rate selectable range |
1 sec to no limit |
Storage capacity |
>300 days |
Storage capacity with NAS option |
Typically 5 yr |
Units of measure (selectable) |
Metric, Imperial, oilfield |
Output Options |
MODBUS, serial 232, 422, 485, and TCP/IP |
ASCII, RTU, master or slave |
Simple serial 232, 422, 485 |
ASCII |
OPC 2.0 data access standard |
Client and server |
Data files by LAN or WAN |
Flat-file LAS format for DTS |
Web-enabled data visualization and transfer |
Optional |
Direct SQL database access |
ODBC driver |
Electrical Power |
24 V DC |
Optional |
Voltage range |
90 to 264 V AC |
Frequency range |
47 to 63 Hz |
Maximum current 110 |
0.5 amp |
Maximum current 220 |
1.0 amp |
CE low-voltage directive, 73/23/EEC compliant |
IEC 60204-1 |
Physical Data |
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4U |
Dimensions |
19W x 6.8H x 21.5D in. |
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483W x 173H x 545 D mm |
Weight |
47 lb 21.5 kg |
Environmental Data |
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Operating temperature range |
23° to +104°F – 5° to +40°C |
Shipping and storage temperature range |
–40° to +185°F –40° to +85°C |
Thermal shock |
<18°F/hr <10°C/hr |
Relative humidity, non-condensing, operating range |
10 to 80% |
Relative humidity, non-condensing, shipping and storage range |
0 to 95% |
CE electromagnetic compatibility 89/336/EEC compliant |
EN 61000-3-2, 3-3 EN 61326-1 |
Operational vibration |
3.0 grms, random and sine |
Drop |
5.9 in. 150 mm |
*20,000-PSI (1,379-bar) P/T gauge
Options of the RMS Lite Optical-Sensor Reservoir Monitoring System
- Monitor, keyboard and mouse are optional.
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