Perforation location optimization through 1-D mechanical earth model for high-pressure deep formations

Abstract Optimum perforation location selection is an important study to improve well production and hence in the reservoir development process, especially for unconventional high-pressure formations such as under study. Reservoir geomechanics one of key factors find optimal location. This aims detect optimum by investigating changes geomechanical properties wellbore stress studying difference different type behaviors between normal abnormal formations. The calculations are achieved building one-dimensional mechanical earth model using data four deep wells located Southern Iraqi oil fields. magnitude types was estimated from well-log Techlog software. directions horizontal stresses determined current utilizing image-log formation micro-imager (FMI) caliper logs. results terms rock showed a reduction Poisson’s ratio, Young modulus, bulk modulus near zones compared pressure because presence anhydrite, salt cycles, shales. Low maximum minimum values also observed indicating effects on estimation. Around studied wells, breakouts most expected situation according state (effective vertical ( σ zz ) > effective tangential θθ radial rr )).