Propuesta de mejoramiento del proceso de reacondicionamiento de pozos en un campo del oriente ecuatoriano aplicando la metodología Seis Sigma

Abstract

The workover process of the state oil company Petroamazonas EP in a field in the East of Ecuador was analyzed in order to define a proposal for continuous improvement using the Six Sigma methodology. Considering the point of view of the clients of the process, it was determined that the parameter subject to improvement is the time. In order to determine the operations that can be optimized, the available information of the workovers made by Petroamazonas EP, from January 2015 to January 2017, was collected and analyzed. Using Pareto analysis, four operations to be improved were determined: Initialization, Shooting, Completion, and Ending. For these operations, control charts were performed in order to determine values outside the expected time ranges. At the farthest points a cause-and-effect analysis was applied to determine the main cause of the failure. Considering the results of the analysis, a proposal was made to improve the workover process of Petroamazonas EP, applying the Six Sigma methodology. The proposal includes a start-up plan for the improvement project, the roles of the main participants, an implementation plan, and an execution schedule.