Pump Protection | Progressive Cavity Pump | Zenith Oilfield-Zenith Oilfield Technology

Overview
Features & Specs
FAQs
Case studies
Resources

Designed-for-purpose technology protecting your PCP

In addition to pressure, temperature and vibration parameters, pioneering technology is utilised to accurately detect the position of the rotor and monitor downhole revolutions from outside the tubing string. All readings, including position, twist cycles and rpm, are transmitted to surface through a single instrument line every second giving accurate feedback to the installation or operating crew of the PCP performance.

The system is contained as part of the PCP and tubing string ensuring minimal disruption to a regular PCP installation. The gauge is connected into a gauge carrier via an autoclave axial connection, providing a reliable metal-to-metal seal. This type of seal guarantees the performance of the gauge without compromising the integrity of the completion.

Maximise runlife while reducing costs

The Zenith PCP Protection system safeguards your lift system and well preventing unnecessary workovers and minimising expenditure, providing the following benefits:

Downhole monitoring system

Pump off protection
Draw-down monitoring
Pump vibration monitoring
Temperature protection
Well performance / pressure monitoring
Pump performance diagnosis
Outflow performance validation & analysis

PCP rod twist

Monitors the total twist in the entire rod string, helping reduce rod breakage

PCP rotor position

Monitor total downhole pump cycles
Monitor downhole pump & surface RPM
Position the rotor in the optimum position during installation
Monitor rotor position in real time during operation

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Features and Specifications

PCP Protection system features

Gauge and carrier can be adapted to fit a wide range of casing sizes
High quality, modular construction—13 chrome metalwork as standard
Long service life allowing repeated deployment
Field-serviceable system with easily replaceable sub-assemblies, and a surface system which can be upgraded
Downhole data collection
- SD card — simple data transfer to removable memory card
- Data display with live on-screen data charting, drive mounted or enclosure
- Data trending software
- Dedicated engineers’ port to laptop or Zenith hand-held PC
- Connectivity to remote data collection or SCADA systems
Communications and power via a dedicated instrument line
Calibrated by Zenith during manufacture — calibration stored in the downhole tool
One-second update of all parameters
Allows cable megger test

PCP Protection system options

The Zenith PCP Protection system can be configured to monitor:

Rod string twist
Surface RPM
Downhole RPM
Pump cycles
Rotor position
Annulus pressure
Tubing pressure
Annulus temperature
Tubing temperature
Vibration (X & Y axes)

PCP Protection system specifications

Incorporated in the field-proven PCP Protection system design are two Micro-Electro-Mechanical Systems (MEMS) pressure sensors providing the system with an accuracy of 0.1% of the transducer’s full range.

In order to assist you in finding the solution to best fit your requirements, please see the following links to related product and service information throughout our website. For documentation and downloads, please visit the Resources tab.

C-Series Well Monitoring for PCP

High Temperature Well Monitoring for PCP

Z-Sight Auto Well Surveillance for PCP

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Case studies

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