J. M. F. Melo, J. Tenorio, A. G. Oliveira, J. P. L. Santos
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INTEGRATED EVALUATION OF CEMENT AND KICK SCENARIOS IN OIL WELL DESIGN
The present work aims to develop a case study using the casing well interface (CWELL), developed by the Federal University of Alagoas, Brazil. Considering the well critical environment during the gas kick along with wait on cement (WOC) test and cement displacement, we sought to observe the behavior of different casing pipes regarding the stress submitted. The case study analyzes an offshore vertical well, with a water depth of 1574 meters. The well was subjected to a kick of 50 bbl and with an inflow gradient of 2.0 lb/gal. Triaxial loads were obtained through the von-Mises and American Petroleum Institute (API) envelopes, which can be used to analyze the integrity of the tubes. Through the analysis between the resistances returned by Petroleum Engineering Applications System (SAEP), it is possible to verify the possibility of failure of the tubes for each project scenario. This analysis is important for determining the sizing of the columns to obtain the best performance of the structures.
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