Z-Sight for PCP


As the next generation of oilfield surface equipment from data analysis and optimisation specialists Zenith Oilfield Technology, the Z-Sight well surveillance system automates many of the time-consuming workflows used by operators to monitor and optimise their progressive cavity pump wells.

Intelligently processing data at the well site, the Z-Sight panel also enables real-time remote access to your well data and control of your pump from any location — Z-Sight makes achievement of well production targets simple and efficient.

 

Automated PCP surveillance and optimisation

  • Delivers both PCP and well performance analysis in real time
  • Continually suggests optimum frequency and WHP to obtain best production
  • Displays calculated potential increase in production
  • Highlights whether PCP or well performance is limiting potential gains
  • Performs automatic optimisation at the well site
  • Advanced logic controls PCP speed to achieve optimium bottom hole flowing pressure and flow rate
  • Self-learning system detects whether pump or well characteristics change
  • Facilitates fast turnaround to increased production
  • Optimisation constantly checked against live well data and pump limitations to avoid well or PCP damage

Intelligent PCP protection

  • Dynamically calculates optimum PCP and well protection set points, configured for actual well conditions in real time
  • Alarm/trip thresholds synchronise with the server and are always present at the well for maximum protection of down hole equipment
  • Ensures maximum pump runlife and integrity of production

Local and remote well management

  • All processes performed automatically in real time at the well site
  • Log on remotely to monitor the well and control the VSD

Enhanced operational efficiency

  • Automated processing allows effective use of resources to manage PCP operations
  • Simple well status presented to the operator allows at-a-glance prioritisation
    • Pump stopped
    • Running optimally
    • Alarm present
    • Optimisation available
  • Simplification of production operations enables:
    • Efficient and proactive optimisation
    • Engineers not conversant with PCPs to manage PCP wells and fields

Customer testimonial

"There is no doubt that recognizing production optimization potential is fundamental for the whole Industry. This is why Z-Sight is an exciting development for the KwIDF Sabriyah project."

Kuwait Integrated Digital Field, Sabriyah project

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Features and specifications

 

Z-Sight for PCP system features

  • Simple system architecture for reliable operation
  • Full PCP operational data on an easy to understand well site display
    • Downhole Gauge Data
    • VSD Data
    • Well Head Data
    • Flow Rate (surface and down hole)
    • Water Cut
    • PCP Pump Curves 
    • IPR Curve
    • Bottom hole flowing pressure
    • PCP Rotor Position and Speed *requires Zenith PCP Protection System
    • Alarm set points on dials
  • Z-Sight provides all PCP and well information to engineers at the well site and in the office
  • Direct control of VSD speed to automate well draw down
  • No information loss if communications fail — in event of data outage Z-Sight buffers all data for re transmission when communication is restored

Related articles

 

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.

 

 

 

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Frequently asked questions

Q. How accurate is the Z-Sight system?

A. See our statistics...

Example 1

  • Multi Phase Flow Meter Reading = 2100 stb/d
  • Z-Sight Calculated flow = 2052 stb/d 
  • Multi Phase Flow Meter Water Cut = 0.56%
  • Z-Sight Calculated Water Cut = 0.3%

Example 2

  • Well test total liquid flow at 55 Hz = 935 stb/day
  • Z-Sight total liquid flow at 55 Hz = 971 stb/day (+3.8% variance from well test)
  • Well test water cut at 55 Hz = 22%
  • Z-Sight water cut at 55 Hz = 19.5% (-2.5% variance from well test)

Example 3

  • Well test total liquid flow at 57 Hz = 998 stb/day
  • Z-Sight total liquid flow at 57 Hz = 1031 stb/day (+3.3% variance from well test)
  • Well test water cut at 57 Hz = 22%
  • Z-Sight water cut at 57 Hz = 19% (-2.5 % variance from well test)

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Case studies

 

Z-Sight Boosts Production by $4.5k / Day

icon ESP frequency was fine tuned to increase oil production by 51 barrels of oil per day (requires login)

 

Z-Sight Auto Optimisation Yields Additional 66 BOPD

icon Real time recommendations of the Z-Sight system significantly boost production from this well (requires login)

 

Z-Sight Automated Diagnostics Reveals Underperforming ESP

icon Timely response to Z-Sight’s diagnostics alarm could result in $20,470 per day additional revenue (requires login)

 

Z-Sight ESP Optimisation Predicts Production Can Be Doubled

icon System recommendations would more than double this well's production rate increasing revenue by $90,300 per day (requires login)

 

Z-Sight Auto Well Surveillance Reports Improving Water Flood Management

icon Well performance alarm leads to an additional 945 barrels of oil production in 27 days (requires login)

 

ESP Surveillance, Diagnostics and Optimisation for 20 Wells in the Sabriyah Field

Z-Sight technology for ESP surveillance, optimization, and diagnostics, will result in significant production optimization

 

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