K-Series Remote Terminal Units Multiple-well flow measurement and control.
Weatherford s K-Series remote terminal units (RTUs) provide multiplewell flow measurement and control, functioning as a master for remote input/output (I/O) modules to perform wireless well monitoring and control. These units are complete, standalone or remote-control packages with integrated telemetry capable of gas/ liquid flow measurement, process control, alarming and data logging and storage. The RTUs allow configurations that range from basic electronic flow measurement (EFM) to full-blown well monitoring and control as well as a full-functioning supervisory control and data acquisition (SCADA) RTU. These highly flexible systems are also very dependable in harsh environments. Operation The PROControl (production control) package enables the operator to use powerful, field-proven control algorithms to optimize well production. In harmony with this package, the RTUs record well performance parameters in production events. Production events supply data for the operator to develop insights into well operating characteristics never before available. These RTUs record meter calibration results, flow computer events and flow parameter changes in a time- and date-stamped event log as well as 35 records of hourly and daily flow computer data. Together the event log and data storage supply a complete custody transfer quality audit trail. In addition to the flow computer data storage, the RTUs provide configurable trending of analog values. The units can easily be configured onsite using Weatherford s free configuration software or remotely through a host system. Current, historical and trend data and production events can be viewed and analyzed remotely or onsite with a laptop, palmtop or personal digital assistant (PDA). The RTUs pluggable power-control board has a built-in solar-battery charging regulator for solar applications. Complementary metal oxide semiconductor (CMOS) ultra-low power design enhances solar applications by minimizing panel and battery requirements. K-500 RTU (Modbus Firmware) TP Oil Tank Oil Tank Water K-500 RTU wireless CP Casing Press Tubing Press Arrival Switch Production Valve (latch solenoid) Vent Valve (solenoid) TL TL Siemens Level Probe Tank Gauge Pressure Transmitter wirelesswireless K-500 RTU (Modbus Firmware) TP K 500 remote terminal unit K-500 RTU Orifice Meter Remote RTU Comm CP Casing Press Tubing Press Arrival Switch Production Valve (latch solenoid) Vent Valve (solenoid) 2 2008 2009 Weatherford. All rights reserved.
0+ 0+ 1+ 1- DI 0+ 0+ 1+ 1- DI RAD DO+ DO- DO+ DO- RAD OCOL PWR 0NC 0NO 0COM 1COM 1NO 1NC OCOL PWR 0NC 0NO 0COM 1COM 1NO 1NC PWR PWR K-Series Remote Terminal Units Applications Multiple-meter flow measurement (orifice, V-Cone or turbine/ positive-displacement meter) Multiple-well measurement and control of gas and liquid flow, casing and tubing pressure, control valve, tank level switch, equipment run status and run time Plunger-lift wells (flow, tubing and casing pressure, plunger arrival sensor, control valve and bypass B valve) Plunger-lift and wireless remote wellhead control (well condition-based control with complete data logging including production events and analog trending) Compressor site monitoring and control (gas flow, pressure monitoring, run status, run-time totalization, local and remote control) Water-injection wellsite measurement and control (turbine flowmeter, casing and tubing pressure, choke-valve control, pressure and/or flow-based control and data logging) Gas-lift well monitoring, measurement and injection-rate control Disposal-facility monitoring and wireless production well shutdown on high tank level RS-485 Communications Interface Multiple protocols on one communications channel CIM ASCII protocol Siemens tank probe protocol Modbus RTU or ASCII protocol K-500 RTU Power Switched Power Switched Power MVT MVT H L H L EPC I/O CIM Power I/O CIM EPC Pulse Amp CIM Pulse Amp CIM Modbus Device Modbus Device Digital Tank Level Probe Digital Tank Level Probe V-Cone is a trademark of McCrometer, Inc. 2008 2009 Weatherford. All rights reserved. 3
Features, Advantages and Benefits Multi-run flow computer with custody-transfer quality EFM Full production control with PROControl production control package Multivariable smart transmitter interface AGA 3 (1985 and 1992), AGA 8 and AGA 7 Flow Calculations to API 21.1 and 14.2 standards Store and forward communications capability V-Cone measurement CMOS ultra-low power design Remote I/O module interface Internal power control with built-in solar-battery charging regulator Optional 20-VDC instrument power supply RTU-initiated exception reporting (cryout) Onsite analog value trending Flexible and cost effective Dependable in harsh environments Compact, efficient protocol for use with cellular GPRS/Edge and CDMA data and satellite Native protocol supported in various SCADA host systems Modbus master communications to other devices RS485 communications interface Multiple device protocols on one communications channel Communications Interface Module (CIM) ASCII protocol Siemens tank probe protocol Modbus RTU or ASCII protocol Modbus is a registered trademark of Modbus-IDA. 4 2008 2009 Weatherford. All rights reserved.
Specifications Model K-500 RTU Enclosure System Aluminum, NEMA 4, with display cutout (in./cm) 16 x 12 x 10 (40.6 x 30.6 x 25.4) Steel, NEMA 4, with or without display cutout (in./cm) 16 x 14 x 6 (40.6 x 35.6 x 15.2) Mounting flanges (in./cm) 2 (5.1) pole Power Requirements Voltage 11.5 to 16.0 VDC Ultra-low power <1/4 W (16 ma at 13.6 DC) Built-in battery voltage measurement Internal analog input Memory Flash firmware 512 KB Standard RAM* 512 KB Environmental Temperature ( F/ C) -40 to 158 (-40 to 70) Relative humidity 0 to 95%, non-condensing Communications RS232 user interface (LOS) port One One RS485 device master interface port (simultaneous protocols), 9600 baud, 8 data bits, no parity, 1 stop bit Protocols Port options (one connector for pluggable communications) CIM, Siemens digital level probe and Modbus RTU master protocols Dual Weatherford native and Enron Modbus RS232, RS485, RS232/485 combo and digital radio Optional protocol DNP 3 Serial device interface through multi-purpose or device port (examples given) Alarm notification Scheduled power control of communications device *Lithium-battery backed-up RAM K-series CIMs K-MVT multi-variable flow transmitter Honeywell precision pressure transmitter Siemens level probe (2 levels, 1 temperature) Modbus ASCII and RTU protocol (Master) Programmable logic controllers Downhole pressure instruments (GRC or Baker) Compressor control panels Variable speed drives Other flow computers or RTUs RTU-initiated exception reporting (cryout) K-500 remote terminal unit. 2008 2009 Weatherford. All rights reserved. 5
Specifications (continued) Model K-500 Digital I/O Board (optional) Digital Inputs Discrete inputs Digital Outputs Single pole double throw (SPDT) relays Open collector Accumulator Input High-speed pulse input Plug-in terminals** Maximum pulse rate **Plug-in will accept optional pulse amplifier board Four (contact closure) with LED indicators 1500 VDC optical isolation 100 M Ohm isolation resistance IEEE 472-1974 transient protection Compression type Two with LED indicators 10 amp rating at 277 VAC, 30 VDC 1500 VAC isolation One with LED indicator 1 amp rating Compression type One with LED indicator 30 Hz, 1000 Hz or none jumper-selectable filtering 1500 VAC optical isolation, Isolation resistance 100 M Ohm IEEE 472-1974 transient protection Compression type 25 KHz Model K-500 Analog Input Board (optional) Analog Inputs Input signal options Input calibration Two, single-ended, 12 bit resolution ±0.05% of full-scale accuracy, +1/2 lsb at 77 F (25 C) 1 to 5 V or 4 to 20 ma DC, jumper selectable Software-based 3-point curve-fit for each input Compression type 6 2008 2009 Weatherford. All rights reserved.
Specifications (continued) Model K-2000 RTU Enclosure System Aluminum, NEMA 4, with display cutout (in./cm) 16 x 12 x 10 (40.6 x 30.6 x 25.4) Mounting flanges (in./cm) 2 (5.1) pipe or bulkhead Power Requirements Voltage 11.5 to 16.0 VDC Ultra-low power <3/4 W (25 ma at 13.6 DC) Internal voltage measurement Battery and charger voltage Plug-in power board Built-in battery charging regulator, 70 W solar panel maximum Low voltage disconnect Software-controlled switch for radio power Optional 20 VDC instrument power supply Memory Flash firmware 512 KB Standard RAM* 512 KB Environmental Temperature ( F/ C) -40 to 158 (-40 to 70) Relative humidity 0 to 95%, non-condensing Communications Four ports One RS485 device interface, simultaneous triple protocols (CIM, Modbus, Siemens level probe) One RS232 communications, radio One RS232 programming One RS232 multipurpose Serial device interface through multi-purpose or device port (examples given) Alarm notification Protocol *Lithium-battery backed-up RAM K-series CIMs K-MVT multi-variable flow transmitter Honeywell precision pressure transmitter Siemens level probe (2 levels, 1 temperature) Modbus ASCII and RTU protocol (Master) Programmable logic controllers Downhole pressure instruments (GRC or Baker) Compressor control panels Variable speed drives Other flow computers or RTUs RTU-initiated exception reporting (cryout) Weatherford native compact, efficient for cellular and satellite communications K-2000 remote terminal unit. 2008 2009 Weatherford. All rights reserved. 7
Specifications (continued) Model K-2000 Input/Output Digital Inputs Discrete inputs Digital Outputs Digital outputs SPDT relays Accumulator Inputs High-speed pulse input Standard input Amplified input Four (contact closure) with LED indicators 1500 VDC optical isolation 100 M Ohm isolation resistance IEEE 472-1974 transient protection Pluggable, compression type Four with LED indicators Two included; sockets for two additional 10 amp rating at 250 VAC, 30 VDC 1500 VAC isolation Pluggable, compression type Two with LED indicators One standard One amplified 25 KHz maximum pulse rate 30 Hz, 1000 Hz or none jumper-selectable filtering 1500 VDC optical isolation 100 M Ohm isolation resistance IEEE 472-1974 transient protection Pluggable, compression type* Compression type terminals Adjustable millivolt level signal sensitivity Analog Inputs Discrete high-level inputs Dedicated (internal) inputs Single-ended inputs Four 1 to 5 V or 4 to 20 ma DC ranges jumper selectable Software based 3-point curve-fit calibration for each Two, battery and charger voltage 12 bit, A/D conversion resolution ±0.05% of full scale accuracy, + 1/2 lsb at 77 F (25 C) 60 db at 60 Hz normal mode rejection 80 db at 60 Hz common mode rejection Single-pole 6 Hz hardware filter Single-pole 1/2 Hz software filter Pluggable, compression type terminals Analog Outputs Two *Plug-in will accept optional pulse amplifier board 1 to 5 V or 4 to 20 ma DC output signals Connection selectable 12 bit, D/A conversion resolution Pluggable, compression type terminals 8 2008 2009 Weatherford. All rights reserved.
Specifications (continued) Model K-3512F RTU Enclosure System Aluminum, NEMA 4, with display cutout (in./cm) 16 x 18 x 10 (40.6 x 45.7 x 15.2) Mounting flanges (in./cm) 2 (5.1) pipe, bulkhead, Rohn 25 tower Power Requirements Voltage 11.5 to 16.0 VDC Low voltage cutoff to protect battery Selectable radio power control Ultra-low power <3/4 W (50 ma at 13.6 DC) Built-in solar charging regulator 70 watt maximum Overcurrent protection, resettable solid state Battery, charger, radio and auxiliary power (non-fuse) power terminals Radio power control Selectable turn on and off voltage Expansion Capability Built-in connector for I/O expansion board interface Stand-off mounting of expansion board single Multiple expansion board capability Memory Flash firmware 512 KB Standard RAM* 512 KB Environmental Temperature ( F/ C) -40 to 158 (-40 to 70) Relative humidity 0 to 95%, non-condensing Communications Four ports Baud rate Data format Serial device interface through multi-purpose ports (examples given) Alarm notification Protocol *Lithium-battery backed-up RAM One RS485 device interface, simultaneous triple protocols (CIM, Modbus, Siemens level probe) One RS232 communications, radio One RS232 programming One RS232 multipurpose Keypad interface port with LOS 150 to 19200, user selectable N81, E71, 071, N71, E81 selectable K-series CIMs K-MVT multi-variable flow transmitter Honeywell precision pressure transmitter Siemens level probe (2 levels, 1 temperature) Modbus ASCII and RTU protocol (Master) Programmable logic controllers Downhole pressure instruments (GRC or Baker) Compressor control panels Variable speed drives Other flow computers or RTUs Store and forward capability RTU-initiated exception reporting (cryout) Weatherford native compact, efficient for cellular and satellite communications K-3512 remote terminal unit. 2008 2009 Weatherford. All rights reserved. 9
Specifications (continued) Model K-3512 Input/Outputs Digital Inputs Eight (contact closure) discrete inputs with LED indicators Digital Outputs Eight digital outputs with LED indicators SPDT relays Accumulator Inputs High-speed pulse input *Plug-in will accept optional pulse amplifier board 20 ms debounce filter 1500 VDC optical isolation 100 M Ohms or greater isolation resistance IEEE 472-1974 transient protection Pluggable, compression type 1500 VAC isolation Local digital output disable switch Open collector drivers accessible through a built-in connector Two included; sockets for two additional 10 amp rating at 250 VAC, 30 VDC 1500 VAC isolation Pluggable, compression type Two with LED indicators 25 KHz maximum pulse rate 30 Hz, 1000 Hz or none jumper selectable filtering 100 M Ohm or greater isolation resistance 1500 VDC optical isolation IEEE 472-1974 transient protection May be externally powered Pluggable, compression type* Analog Inputs Eight external high-level inputs Four dedicated (internal) inputs Two external low-level inputs, two jumper selectable ranges, 0 to 200 F, 200 to 400 F Input specifications Analog Outputs Two 1 to 5 V or 4 to 20 ma DC ranges jumper selectable Internal or external supply voltage Software-based 3-point curve-fit calibration for each Battery voltage Charger voltage Lithium battery voltage (memory backup) Card temperature (sensor on RTU board) Direct connection for 4-wire, 100 Ohm RTD (385 std) Excitation current supplied for each point Software-based calibration for each point Differential inputs, 24 bit resolution Protected CMOS differential multiplexing ±0.05% of full scale accuracy, + 1/2 lsb at 77 F (25 C) 10 M Ohm minimum input impedance 60 db at 60 Hz normal mode rejection 80 db at 60 Hz common mode rejection Single-pole 6 Hz hardware filter Single-pole 1/2 Hz software filter Pluggable, compression type terminals 1 to 5 V or 4 to 20 ma, 12-bit resolution Pluggable, compression type terminals 10 2008 2009 Weatherford. All rights reserved.
Optional Accessories All Models Two-line LCD display Pluggable-turbine meter amplifier interface board External-turbine meter amplifier interface board External-turbine meter amplifier CIM interface board Multivariable digital flow transmitter (RS485 multi-drop)* External computer interface, local operator station (LOS) jack RS232 port sharing board Battery charging regulator I/O CIM board K-MVT multivariable transmitter. Instrument loop power supply (12 to 20 VDC) Models K-2000 and K-3512 RS232-to-RS485 converter Additional analog input surge suppressor card (K-3512 only) *For more information on the K-MVT multivariable transmitter and K-Series system accessories, please refer to the technical specification sheets. 2008 2009 Weatherford. All rights reserved. 11
515 Post Oak Blvd., Suite 600 Houston, Texas 77027 USA Tel: 281-348-1000 info@ep-weatherford.com weatherford.com Weatherford products and services are subject to the Company s standard terms and conditions, available on request or at weatherford.com. For more information contact an authorized Weatherford representative. Unless noted otherwise, trademarks and service marks herein are the property of Weatherford. Specifications are subject to change without notice. Weatherford sells its products and services in accordance with the terms and conditions set forth in the applicable contract between Weatherford and the client. 2008 2009 Weatherford. All rights reserved. 5647.00