OREANDA-NEWS. July 08, 2013.
Crude Oil Production
The amount of 2,145,524 tons of crude oil was produced at JSC TATNEFT in June accounting for 100.6 percent versus June 2012.

The amount of 12,931,623 tons of crude oil was produced during six months, which was 18,392 tons more than in 2012 (100.1 percent) with the above-the-plan production in the amount of 334,873 tons (102.7 percent). The amount of 12,694,223 tons of oil was delivered with the above-the-plan delivery amounting to 344,913 tons.

New Drilling
The new drilling penetration for six months of 2013 amounted to 285.8 thousand meters (323.1 thousand meters in 2012). Of this amount 225.0 thousand meters (238.4 thousand meters in 2012) were penetrated for JSC TATNEFT, including production drilling in the amount of 221.9 thousand meters and exploratory drilling amounting to 3.1 thousand meters.

20.1 thousand meters (30.4 thousand meters in 2012) were penetrated for the subsidiaries of JSC TATNEFT, including production drilling in the amount of 16.5 thousand meters and exploratory drilling in the amount of 3.6 thousand meters.

182 wells (184 wells in 2012) were constructed and delivered to the customers with 134 wells (129 wells in 2012) delivered to JSC TATNEFT, including 132 wells of production drilling and 2 wells of exploratory drilling.

16 wells were delivered to the subsidiaries of JSC TATNEFT (13 wells in 2012), including 12 wells of production drilling and 4 wells of exploratory drilling.

Active Well Stock Drilling
The penetration of sidetracking and horizontal wellbores during 6 months of 2013 amounted to 28.3 thousand meters (23.4 thousand meters in 2012). 13.6 thousand meters (11.4 thousand meters in 2012) were drilled for JSC TATNEFT.

52 wells (41 wells in 2012) were delivered to the customers. Of this amount 35 wells (26 wells in 2012) were delivered to JSC TATNEFT.

35 drilling crews have been performing well drilling operations since the beginning of 2013; 12 drilling crews are engaged in drilling lateral and lateral horizontal wellbores. One drilling crew performs drilling to the bituminous deposits of Ashalchinskoye field for NGDU "Nurlatneft". The penetration per crew during six months of 2013 amounted to 8,010 m, while in 2012 the penetration per crew amounted to 8,330 m.

29.7 thousand meters were penetrated outside the Republic of Tatarstan.

Repair of Wells
In June 2013 remedial servicing operations were performed in 742 wells (761 wells in June of 2012) with a number of wells serviced during six months amounting to 4,078 wells (4,064 wells during six months of 2012).

38 wells were repaired outside the Republic of Tatarstan, including 35 wells for "Tatneft-Samara", 2 wells for "Tatneft-Severny" and 1 well for JSC "Ilekneft" (31 wells were repaired during six months of 2012 with 30 wells repaired for "Tatneft-Samara" and 1 well for JSC "Ilekneft").

The workover operations were performed in 1,282 wells during six months of the current year (274 wells in June) versus 1,183 wells for 6 months of 2012, including production string sealing performed in 133 wells, shutting-off individual layers and recompletion in other intervals were performed in 91 wells, transfer of wells into different categories and wells completion for injection in 103 wells, liquidation of downhole complications and cleaning of production casing and bottomhole in 73 wells, installation of isolating packers and dual completion systems in 88 wells and physical liquidation in 9 wells and re-liquidation in 7 wells.

323 wells were worked over with application of coil tubing (84 wells in June), including 58 wells worked over through the annulus.

Formation hydrofracking operations were performed in 295 wells (53 wells in June) (191 wells during six months of 2012). The cumulative incremental crude oil production amounted to 6 million 830 thousand tons.

Two workover crews drilled and completed 11 small diameter wells for JSC TATNEFT during six months of 2013. Currently drilling of one well is underway at NGDU "Prikamneft" and NGDU "Bavlyneft".

Works on oil recovery enhancement were performed in 1,200 wells (225 wells in June) with application of chemical methods in 573 wells (109 wells in June).

The incremental crude oil production resulting from application of crude oil recovery enhancement methods amounted to 2,930 thousand tons with application of chemical methods accounting for 1,232 thousand tons.

Bottomhole area treatment operations with application of JSC TATNEFT's technologies were performed in 1,565 wells during six months of 2013.

Production Performance of the JSC TANECO
The TANECO Complex of Refining and Petrochemical Plants processed 694.7 thousand tons of crude oil and yielded 689.9 thousand tons of oil products in June 2013.