The effectiveness of the developed two-and three-component asphaltic-resinous-paraffin deposits inhibitors is investigated on oil samples of a number of fields. A quantitative evaluation of the synergistic effect in the asphaltic-resinousparaffindeposits inhibitors compositions is carried out. The absence of asphaltic-resinous-paraffin deposits inhibitors compositions effect on the aggressiveness of pumped media and on the effectiveness of corrosion inhibitors is established.