Abstract
This paper presents an analytical method of predicting cement sheath integrity with incorporation of wire-line acoustic measurements on an example of a deep, high-temperature geothermal well, located in central part of the Los Humeros Geothermal Field in the northern part of the Mexican Volcanic Belt. The developed method, accounting for mechanical properties of a coupled casing-cement-rock system with the influence of temperature changes, applied internal pressures, and isotropic far-field stresses, can be easily, without additional costs and in a non-destructive way, used to evaluate cement sheath integrity during various stages of a geothermal well life cycle and help to optimize and design drilling, production, and maintenance operations.
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