Rio´s International Journal on Sciences of Industrial and Systems Engineering and Management Editor-in-Chief: Dr. Heitor Luiz Murat de Meirelles Quintella, Universidade do Estado do Rio de Janeiro DEA IN THE COMPARISON OF PERFORMANCES IN LOADING PETROLEUM DERIVATIVES Antonio Allen Meireles Alcantara Petrobras Distribuidora S.A. Rua General Canabarro 500, Rio de Janeiro, RJ allen@br-petrobras.com.br Eliane Gonçalves Gomes Embrapa Parque Estação Biológica, Av. W3 Norte final, 70770-901, Brasília, DF eliane.gomes@embrapa.br Annibal Parracho Sant’Anna Departamento de Engenharia de Produção – Universidade Federal Fluminense Rua Passo da Pátria 156, 24210-240, Niterói, RJ aparracho@uol.com.br Abstract This paper develops indicators to assess the performance of crude oil derivate terminals. The performance evaluations consider differences related to operational uniformity, speed, capacity satisfaction, loading precision and productivity. Due to its ability to handle multiple inputs and outputs, Data Envelopment Analysis (DEA) is employed and is found to be especially suitable to compare such performances. As there are important differences between many of the units under study, the scores resulting from DEA are submitted to Wilcoxon-Mann-Whitney non-parametric test to verify the existence of significant differences due to different production volumes. The test results validated the use of a unique analysis for all units. Keywords: Data Envelopment Analysis, Performance measurement, Wilcoxon-Mann-Whitney statistical test.