LLC "BURYANSK OIL REFINERY"

      

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Oil and Gas Production

Crude oil production at Amur fields began in 2006 when brought on-stream. In 2007, "Buryansk Oil Refinery" LLC 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 "Buryansk Oil Refinery" LLC own crude.

 

Oil Production (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 fields, "Buryansk Oil Refinery" LLC strives to strike a balance between work on old and new oil wells.

 

Some of its younger fields, such as Amur region, were drilled using grids of horizontal wells that were designed after a full-scale geological exploration program and detailed field development modeling. "Buryansk Oil Refinery" LLC is the leader in horizontal drilling in Western Siberia. The company drilled four wells in 2006. The productivity of wells is even greater if hydrofracturing is employed, with output reaching in some cases up to 4,000 tons per day.

 

At oilfields where the peak of production has already passed, secondary methods of enhanced oil recovery are employed. "Buryansk Oil Refinery" LLC goal is to increase the reserve recovery ratio (RRR) up to 13% from the current 28% by 2019. Well work over options for old wells includes hydrofracturing and sidetracking. "Buryansk Oil Refinery" LLC carried out several hydrofracturing operations per year in 2006-2015. The Amur field, for example, is currently being developed using large-scale hydrofracturing in vertical wells.

 

"Buryansk Oil Refinery" LLC can already boast that its future production centers will be more geographically diverse. Amur is the “historical” production center, while the area around the Amur oilfield and a group of license blocks acquired in early 2009 is set to become the growth rate leader. By 2019, production at Amur oilfield is expected to reach 13% of the company’s total production, rising to about 28% in 2019.

 

2008

2009

2010

2011

2012

2013

2014

2015

39,600

41,320

46,900

55,100

59,900

73,000

89,860

120,600