1. Well Drilling, Extraction and Transport of Hydrocarbons Department, Petroleum-Gas University of Ploiesti, 100680 Ploiesti, Romania
2. Mechanical Engineering Department, Petroleum-Gas University of Ploiesti, 100680 Ploiesti, Romania
3. School of Advanced Studies of the Romanian Academy (SCOSAAR), 010071 Bucharest, Romania
4. Group for Capital Construction, NIS Petrol SRL, 300668 Timisoara, Romania
5. Development Business Unit Well Delivery Department, OMV Petrom S.A., 013329 Bucharest, Romania