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

Authors: Sharfuddin Ahmed Khan; Abdullah Gamal Hasan Ba Jaboa; Palvisha Ishtiaq

Addresses: Industrial Engineering and Engineering Management Department, College of Engineering, University of Sharjah, Sharjah, United Arab Emirates ' Industrial Engineering and Engineering Management Department, College of Engineering, University of Sharjah, Sharjah, United Arab Emirates ' Supply Chain Department, Aspin Pharma (Pvt) Ltd., Karachi, Pakistan

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.

Keywords: productivity improvement; preventive maintenance; define-measure-analyse-improve-control; DMAIC; value stream mapping; VSM; 5 Why's; case study; oil and gas sector.

DOI: 10.1504/IJBEX.2024.135922

International Journal of Business Excellence, 2024 Vol.32 No.1, pp.1 - 24

Received: 24 Sep 2020
Accepted: 13 Dec 2020
Published online: 10 Jan 2024 *

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