Operation of oil production equipment is accompanied by continuous and irreversible changes in assemblies and fittings caused by wearing, deformations, corrosion and other factors, accumulation and overlapping of which lead to decrease of oil production equipment operating characteristics and its failure. Correct maintenance and operation allow to decrease costs for its repair significantly and increasing its runlife. ELKAM provides full package of works for maintenance and integrity of oil production equipment including drives, wellhead equipment and control boxes.