Improving Management Systems for Oil and Gas Producing Company using Overall Equipment Effectiveness
Abstract
Consideration of difficulties inherent in maintenance management system in Nigerian oil and gas industries, and to eliminate the tedium associated in the system and improve equipment performance. In this work an attempt was made to assess the equipment maintenance practice in Kwale gas recycling plant of Nigeria Agip Oil Company Limited. Overall equipment effectiveness (OEE) indicator was used to determine the performance of various types of pumps and Turbine power generators installed in the plant, Maintenance records of the pumps and gas Turbine generators provided data for the computation and analysis. The availability, performance and quality rate of the pumps and gas Turbine generators were used to assess the overall effectiveness of the equipment used in the system. Detailed analysis of the failure rate and downtime revealed that a Plan Do Check Act (PDCA) system which is a proactive (predictive) maintenance technique was not adopted in the plant. The highest OEE value of 8.9% obtained confirmed that the current maintenance strategy and policy of the company is very much below standard and unacceptable. Hence this work affirms that the use of PDCA will avert unexpected system failure through early detection of faults, improve safety operation, reliabilit y and durability of equipment. Thereby far less (i) human effort is wasted and (ii) energy expended, both of which led to increase in availability and profitability.
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