Water cone hysteresis and reversal for well completions using the moving spherical sink method

Document Type

Conference Proceeding

Publication Date

1-1-1997

Abstract

This paper presents a theoretical and experimental study of water cone development and reversal. Results from these studies show that for oil production rates below critical rate, there are two equilibrium shapes of the water cone: lower (stable), and upper (unstable). Also shown is a hysteresis of the water cone height development and reversal caused by the increase - decrease scheme of production rate. In addition, it is indicated that the reason why reversing the cone is difficult is that it requires reduction of production rate much below its critical value. How to determine the water cone reversal rate is described.

Publication Source (Journal or Book title)

Proceedings - SPE Production Operations Symposium

First Page

611

Last Page

616

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