OREANDA-NEWS. OAO Varioganneft, OAO NK RussNeft subsidiary, decreases lifting expenses at cost of the program of an overhaul period increase and growth of well operation efficiency. Thus the overhaul period for the wells of Variogan block grew by 27 days in 8 months of 2014 amounting to 5.5% from the start of the year.

High overhaul period in the Company is provided by innovative technologies, qualified and timely maintainance of oilfield equipment.

The overhaul period is an estimated figure of well operation as well as of the quality of pump units service. High overhaul period means decrease of the costs for the support of a well stock performance, less standby of the wells before the well repair. It also means power and resources consumption economy. It also involves opportunity to perform additional activities aimed at oil production increase.

More than 5.5 kilowatt hours were saved in 8 months of 2014 Within the program of increase of well performance energy efficiency. In particular the program involved inefficient well stock decrease, choosing energy efficient ESP, periodic short-term start technology to operate low flowrate well stock.