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Applications

Our fluid lift system has three principal applications:

  • Well testing; for establishing the production information of a well including its productivity index. This test period is always executed before launching the production phase.
  • The two others applications concern oil production directly with our system whether reactivating suspended wells or substituting conventional operated pumps.
  • WELL TESTING:

The system is programmed for the collector tube to automatically detect the fluid level and to immerse at a certain depth (generally 50 ft).
From the beginning of the test, the fluid level descends at every cycle with the collector tube automatically adhering to variations in the fluid level.
During the initial period, which can last up to a few days, the volumes of fluid extracted by the system are higher than the volumes produced by the formation.
- The volumes extracted decrease due to the increasingly long cycles.
- The volumes of fluids produced by the formation increase due to the drawdown (∆P) increases.
After several cycles (usually a few days), the volumes extracted by the system and the volumes produced by the formation converge to equilibrium: a “balance point” is attained.
During this stage, fluid samples are recovered in order to check for appearance of water.
In this scenario, the system is re-programmed (after reaching “balance point”) so as to operate at different working depths. This new stage will be started at an approximate depth close to the one where the water started to appear.
Through a series of testing cycles at different working depths an optimal depth is sourced where the fluid extracted contains no or very low water percentage.
An accurate productivity index evaluation can then be completed.

  • REACTIVATION OF SUSPENDED WELLS:

During exploitation periods with conventional pumps, the fluids equilibrium of the formation has been disrupted by the high level of differential pressures exerted in front of the formations. This leads to excessive water production and closure of these wells thus abandoning large quantities of unrecovered reserves in the ground
However, after a certain non-producing period of time, the fluids around the well bore have by nature slowly been reorganized. Driven by reservoir pressure, the oil migrates towards the well, flowing up inside the casing to reach a static level generally higher than the productive formation.

Any other fluid lift system that would be installed back to reactivate a suspended well, would inevitably create a new disequilibrium leading to the same consequence: High water production.

  • SUBSTITUTION OF CONVENTIONAL PUMPS:

Our equipment is a very efficient substitute to pump systems on low production wells because:

Operating and maintenance costs on productive wells are key factors for preserving production.

Our equipment benefits from low energy consumption, low operating and maintenance costs, and no or very low volume of water extracted to be treated.

The visual impact of traditional pumps may disturb an increasingly sensitive and evolving environment.

The low visual impact of our equipment allows it to be hidden discreetly behind a vegetal fence for better environmental integration.

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