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This paper aims to present a practical application of the tool AHP TOPSIS 2N, as a support for decision making in the oil industry and solution to the problem of ordering and prioritization of a list of twelve fluid injector wells to be intervened to perform relief holes (for reducing internal pressure of the linings). Fluid injector wells are used to maintain the internal pressure of the oil reservoir and thereby ensure greater recovery factor of oil and natural gas from the reservoir. Four criteria were selected by experts as being the most relevant for the construction of the decision matrix: production loss, well life to collapse, time to injection line change due to SCC CO2 phenomenon and type of fluid contained in the wells. annular spaces between well casings. With the data collected through simplified methodology, the AHP TOPSIS 2N program was executed, which is considered a mixed decision support method. As a result, two ordering and prioritization lists of alternatives were determined, thus bringing greater security and simplicity to the decision making process.

APLICAÇÃO DO MÉTODO HÍBRIDO AHP-TOPSIS-2N PARA ORDENAÇÃO DA EXECUÇÃO DE FUROS DE ALÍVIO EM REVESTIMENTOS DE POÇOS DE PETRÓLEO SOB RISCO DE COLAPSO