Natural Gas Liquid (NGL) Plants in Qatar have undergone major operational transformation during the last decade. The large step change in operational strategy, efficiency and maintenance optimization has occurred due to automation evolution taken place in monitoring & control , protection and asset management of all NGL Plants of Qatar Petroleum at Mesaieed. The paper will focus how such technological evolution has made flexibility in gas plant’s operation and in deriving key business decisions for operation and maintenance optimization using foundation field bus technology , integration of the plant controls to the business enterprise etc. The paper presents following three major areas of technical transformation contributed significantly towards NGL Plants upgrade indicating the problem faced , application of new technology , the challenges faced while implementation and benefits achieved in terms of operability and maintainability. The paper provides the multifold benefits achieved in above three major areas of automation transformation in various NGL Plants along with its cost benefits analysis.


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