As most gas compression facilities in Romania are from the 60’s-80, there is an increased demand to increase their efficiency. The paper is meant to give general guidelines to manage the project and to know one’s importance in the project in order to have a good understanding of the actual steps involved in the gas energy efficiency increase from the technical, financial and managerial points of view.

As most gas compression facilities in Romania are from the 60’s-80, there is an increased demand to increase their efficiency. The paper explains researches on energy, economic and functional efficiency of equipment and processes during the modernization of a compressor station in oil and gas industry. It is meant to serve as a general guide for methods and procedures usually used in the industry in Romania, to improve the efficiency of an existing compressor station.