2000 Rod Pump Controller

Control

Patented air balance control

Automatically optimizes and controls air cylinder pressure on air-balanced units.

Peak energy control functionality

Inhibits well operation during peak periods of high energy cost as determined by the operator.

Motor restart protection

Prevents motor restart when condensation is present on motor windings.

Power fail recovery method

Inhibits selected load alarms following a loss of power to allow a well to pump down a high fluid level.

Programmable (auto-acting) I/O

Unique monitoring and control applications using analogs, meters and discretes.

Multiple control methods

Point or quadrant, for lower right or upper left hand portions of the surface cards, and reverse pump-off.

Automatic idle time optimization

Improved determination of idle time adjusted for inflow based production.

Pump-up delay timer

Eliminates immediate pump-off due to incomplete pump fillage following well idle time.

Monitor only mode

Monitor dyno cards without regard for control set points or speed ranges. Ideal for dyno card generation with VFD controlled pumping system.

Works with all kinds of wells

Companies can standardize on one controller for heavy oil, sand, deviated holes, etc.

Analysis

Gross fluid or inferred production calculations

Accurate estimates of total fluid production from shallow and deep wells without complex well site configuration.

Available ESP operating mode

Allows the RPC to monitor submersible pump controllers.

System load analysis

Host based detection of load cell drift on changing downhole conditions.

Cycle and run time buffers

Easy access to historical data at the well site or using the host software.

Dynamometer card buffers

Access to event cards (Full, Current, Shutdown, etc.) and several cards stored leading up to the event.

Expanded alarm features

Host based alarms (torque, stress, pump efficiency, prime mover size, unbalance, etc.).

New stored card types and associated alarms

Card Area Alarm; Excessive Card Areas; and Hi-Hi, Hi, Low-Low, and Low loads.

Alarm

Extensive communications debugging capabilities

Capable of analyzing data at the well site to diagnose data transmission problems due to faulty radios, etc.

System Configuration

Improved well site configuration

Simple menu for configuration, data management, system diagnostics, and load cell calibration.

Upgradeable modular hardware design

Auxiliary I/O, communications, and local user interface options can be added in the field.

Flexible, expandable I/O

Three options available to allow the best match for individual well site applications.

Backward compatible parameter structure

Prevents incompatibility issues with older eP RPC equipment.

Basic three level password protection scheme

Provides security for access to critical RPC setup parameters and well control commands.

Optional enhanced graphic display and keypad

Menu driven user interface for configuration and review of system data including dyno cards, valve checks and run times.

Available ESP operating mode

Allows the RPC to interface to submersible pump controllers.

Local graphic display

Provides readily understood messages relating to pump system conditions.

Digital rod load calibration

Operator no longer has to manually adjust potentiometers to calibrate the load sensor.

Automatic beam mounted load calibration

Simply enter the correct maximum and minimum loads, no complex multi-step program required.

Integrated "single package" design

Simplifies installation with all components in one unit.

Rugged hardware design

Manufactured to strict standards to ensure long life and reduced cost of ownership.

Sensor options

Position switch, continuous position sensor, polished rod load cell and beam mounted sensor.

Rod Pump Controller

Enclosure

NEMA 4X

Weight

Approximately 22 pounds

Input Voltage Range

480-Vac,120/240-Vac, 12-Vdc

Frequency

47- to 63-Hz

Relay Output

Control and watchdog

Operating Temperature

-40° to +185°F (-40° to +85°C)

Printed Circuit Boards

Conformally coated to protect against moisture, H₂S, and salt air

Communication Protocol

Operator selectable, 8500 native, Modbus™ RTU, or Modbus ASCII

Transient Protection

Overvoltage/Transient

Meets ANSI/IEEE C37.90.1-2989 protection specifications

Dynamometer Card Resolution

Samples and stores load and position data at 20 times-per-second for down-hole analysis

Pump-off or Reverse Pump-off Detection

Setpoint or quadrant method

Analog-to-Digital Conversion

Monolithic, successive approximation 12-bit A/D converter

Polished Rod Load Cell

Class

Quantitative strain gauge

Range

0- to 30,000-lb. or 0- to 50,000-lb.

Maximum Error

±0.5%

Operating Temperature

-70° to +190°F (-55° to +88°C)

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