DMAIC methodology for productivity improvement of preventive maintenance in an oil and gas company

Abstract

Maintenance is an integral part of any organisation success and improves customer satisfaction and increase profitability. The purpose of this study is to propose a systematic approach for implementing define-measure-analyse-improve-control (DMAIC) methodology in an oil and gas company’s maintenance department using case based research. A well-known DMAIC techniques is implemented using tools such as value stream mapping (VSM) and 5 Why’s. Result shows the improvement of considered case company’s maintenance department performance in 20% reduction in PEC coordinator process, 50% reduction in inspection, cleaning process and assembly, and 25% reduction in pressure test. This study is unique in a sense that it is implemented in an oil and gas company to improve productivity of preventive maintenance operations and provide managerial insight to decision makers and practitioners.