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Crude oil production at CJSC "NK" Rosneftetrans" oilfields began in 2007 when brought on-stream. CJSC "NK" Rosneftetrans" achieved a level of production that allowed it to maintain a fiscally rational balance between oil exports and throughput at the company's refineries. In previous years, a portion of crude oil processed at its refineries had to be purchased from other producers, but now most exports and refining are supplied from CJSC "NK" Rosneftetrans" LLC own crude.
Oil Production output (million tons/year)
Production growth is mainly the result of employing modern production technology, maintaining old wells more effectively and improving the quality of new wells.
Oil Well Productivity
In developing its oilfields, CJSC "NK" Rosneftetrans" strives to strike a balance between work on old and new oil wells.
CJSC "NK" Rosneftetrans" oilfields in Western Siberia Region were drilled using grids of horizontal wells that were designed after a full-scale geological exploration program and detailed field development modeling. CJSC "NK" Rosneftetrans" is the leader in horizontal drilling in Western Siberia. The company drilled several wells in 2015 to 2016. The productivity of wells is even greater if hydro fracturing is employed, with output reaching in some cases up to 20,000 tons per day.
At oilfields where the peak of production has already passed, secondary methods of enhanced oil recovery are employed. CJSC "NK" Rosneftetrans" goal is to increase the reserve recovery ratio (RRR) up to 56% from the current 48% by 2020. Well work over options for old wells includes hydro fracturing and sidetracking. CJSC "NK" Rosneftetrans" carried out several hydro fracturing operations per year in 2012-2016. The Western Siberia field, for example, is currently being developed using large-scale hydro fracturing in vertical wells.
CJSC "NK" Rosneftetrans" can already boast that its future production centers will be more geographically diverse. Western Siberia region is the “historical” production center, while the area around the oilfield and a group of license blocks acquired in early 2014 is set to become the growth rate leader by 2020, production at Western Siberia oilfield is expected to reach 48% of the company’s total production.