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Compliance with the environmental legislation at the facilities of OAO TATNEFT is ensured by the production and environmental control system (PEC) and environmental analytical control.

For the first time in Russia the Company carried out research on the hygienic substantiation of maximum permissible concentrations of oil in the soil for the purpose of comprehensive assessment of the crude oil production impact on the state of the land plots. This basis was used for development and approval in a prescribed manner of acceptable norms for the allowable residual oil content in the soil after recultivation works in the amount of 2.9 g per 1 kg. The control of land resources is based on the mentioned figures.

Compliance with the established standards of pollutants maximum permissible emissions (MPE) into the air is monitored at 110 settlements located in the zone of the Company’s operations, as well as in the sanitary protection zones of 53 production facilities. Studies of the air basin are carried out for 33 ingredients. In parallel with the meteorological observations the wind speed and direction as well as temperature and relative humidity are measured. All air emissions from the stationary sources of the Company are within the established limits of the maximum permissible emissions (MPE).

Water bodies’ observation system of OAO TATNEFT consists of 1,276 sampling points. This includes observation points for the surface waters sources (springs, rivers, reservoirs) and the underground (artesian wells, wells) water bodies.

The industrial ecological control of water bodies is performed by a central chemical and analytical laboratory and by the field laboratories.

Control of the geologic environment is performed at OAO TATNEFT regarding dangerous exogenous and endogenous processes that may adversely affect the operation of the oil fields, as well as the engineering geological stability of the facilities and communications. A 1050 observation points network was established for monitoring and controlling the dynamic state of the geological environment within Romashkinskoye oil field territory.

The Company manages to maintain a favorable ecological situation within the region of its operations thanks to the introduction of advanced environmentally sound technologies for crude oil and gas production and transportation, including the technology of drilling horizontal wellbores and downhole splitters, dual operation of layers, within the well dumping of the formation water from the lower aquifer to the upper oil reservoir and others.

Source

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