Abstract
AbstractThe main objective of this study was to analyze wellbore stability of wells based on 3D geo-mechanical model obtained using seismic inversion in an Algerian South Eastern Field. The correlation between the inversion model and logging data was very good. Thus, the constructed geo-mechanical model was used to analyze the stability of the four drilled wells and propose the drilling mud weight window for well-5 that is going to be drilled. The reliability of the 3D geo-mechanical model allowed the optimization of drilling mud weight parameter so that stability of wellbore was ensured on the one hand, and reservoir damage was avoided, on the other. It is highly recommended to use the obtained model to propose new wells (like well-5 in this case study) and minimize exploration uncertainties in the region.KeywordsSeismic inversion3D Geo-mechanical modelWellbore stability analysisAlgerian fieldMud weight window
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