Aplicação do controle estatístico de qualidade na produção e petróleo de 2010 à 2013

Abstract

The oil after extraction goes through a series of distillation processes for processing the oil after extraction goes through a series of distillation processes for processing a variety of materials that are useful for life of modern man, such as gasoline, grease, gas bottled, asphalt, kerosene and others. This paper analyzes the quality control of the production of barrels of oil produced per day during the years 2010 to 2013 will develop this work the Statistical Quality Control was used, with the application of control chart for mean (__) and standard deviation (S). Before the application was verified the normality of the data with the Shapiro-Wilk test. Some critical points were diagnosed and was also noted some shifts over the four years, indicating that there was some factor influencing these movements.