Abstract

This paper reports how a treatment of amphoteric polymer followed by chrome-complexed anionic polyacrylamide has successfully decreased the water/oil (WOR) ratio of wells producing from the Arbuckle dolomite formation in central Kansas. This technique, the fractured-matrix, water-control (FMWC) treatment, is designed to alter both primary and secondary permeability to water production. In 10 treated wells, the average WOR was reduced by a factor of five.

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