(06) CONVERSION OF ESP TO ROD PUMPING SYSTEM WITH AN IMPROVED GAS SEPARATOR SYSTEM IN DEPLETED WELLS

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Abstract

(06) CONVERSION OF ESP TO ROD PUMPING SYSTEM WITH AN IMPROVED GAS SEPARATOR SYSTEM IN DEPLETED WELLS

Presenters

Gustavo Gonzalez, and Kyle Greer
Odessa Separators Inc.
Melinda Alleman and Brian Lewis, ConocoPhillips 

The conversion from ESP to rod pump is needed when well-inflow is insufficient to supply enough fluid to the ESP. However, achieving good pump performance in rod pump systems operating in depleted wells with high gas/oil ratio can be limited as well. Creating a multi-stage gas separator system which removes free gas before fluid entered the pump intake increases volumetric efficiency in depleted wells. The first stage is a slotted intake where gas can coalesce. The second stage utilizes three large gas separator bodies for increased expansion of free gas which travels with the fluid by action of an extended dip tube. Finally, a vortex tool which creates a centrifugal force increases free gas separation efficiency.

A successful case study in Goldsmith is presented in this paper to demonstrate significant pump efficiency increase resulting from enhanced separator design based on downhole conditions to create a more efficient production system.
 

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