Location: Mangistau Region
The deposit: NDA
Task:
Ensuring correct measurement of wells operating in periodic mode. Problems:
- With the standard approach, using measurements through the metering station, wells are measured in a sequential mode
- It is a challenge to align a well in a periodic production with a metering schedule, therefore daily rates and production allocations are not correct.
- Flow regime influence - it is challenging for separators at metering station to measure slugs, which are inherently part of periodic production wells.
Solution:
ESPFlow tracker is a reliable and affordable solution - a downhole flow meter, which is installed at the pump discharge. It measures flowrate and watercut continuously and sends data to surface in real time, using ESP power cable.
Result:
ESPFlow tracker provided client reliable flow measurement in the wells with periodic production mode. This allowed to improve flowrate measurement and production allocation in the field.
Constant and high-quality measurement of flow rates in wells with intermittent operation
Advantages of measuring flow rate at the bottom of the well
- The influence of the wellbore, surface pipes and flow conditions is minimal (which affects separator measurements at the surface)
- It measures flow continuously - unlike test separators, which measure flow periodically.
- The amount of free gas is limited, which makes the measurement of liquid flow rate and water cut more reliable.
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