Enhanced recovery

Work Flow Screens Surfactants for EOR Through Wettability Alteration

This study presents a novel approach to screen thermally stable surfactants at high pressures and high temperatures for the explicit purpose of wettability alteration in the operator’s Eagle Ford acreage.

An example FIB-SEM slice.
An example FIB-SEM slice.
Source: URTeC 3866246

Previous experimental studies and published field trials have shown that injected surfactants can be an effective means of improving recovery. Most experiments, however, have been conducted at ambient rather than reservoir conditions. The complete paper presents a novel approach to screen thermally stable surfactants at high pressures and high temperatures for the explicit purpose of wettability alteration in the operator’s Eagle Ford acreage.

Early Internal Efforts

Surfactant usage was initiated at the inception of the play. The use of these surfactants was discontinued after approximately 5 years of field development.

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