Abstract

ABSTRACT The purpose of an interference test analysis is to provide reservoir characteristics such as permeability, porosity and areal extent. Reservoir anisotropy may be identified and measured. A drawback of interference testing is that it requires one or more potentially productive wells to be shut-in. However, this well test is superior to single-well drawdown or buildup because it often supplies results that reflect the characteristics of a much larger region of the reservoir. This paper presents a comprehensive review of the available analytical models and is supplemented by several real field problems and the associated interpretations. Guidelines are provided for the selection of the appropriate model, and criteria for interference well test design are outlined.

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