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MINING INFORMATIONAL AND ANALYTICAL BULLETIN
Article . 2018 . Peer-reviewed
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ENVIRONMENT PROTECTION IN OIL PRODUCTION AT THE PRIRAZLOMNOE FIELD ON THE PECHORA SEA SHELF

ЗАЩИТА ОКРУЖАЮЩЕЙ СРЕДЫ ПРИ РАЗРАБОТКЕ ПРИРАЗЛОМНОГО НЕФТЯНОГО МЕСТОРОЖДЕНИЯ НА ШЕЛЬФЕ ПЕЧЕРСКОГО МОРЯ
Authors: Malyukov V.P.; Fedin V.D.;

ENVIRONMENT PROTECTION IN OIL PRODUCTION AT THE PRIRAZLOMNOE FIELD ON THE PECHORA SEA SHELF

Abstract

The article addresses the issues of environmental impact during oil production at the Prirazlomnoe field on the Pechora Sea shelf using a sea ice-resistant platform. The depth of water at the drilling site (19.2 m) allows well construction from the Prirazlomnaya offshore ice-resistant platform (OIRP) installed in the center of the oil field. The platform is a multi-purpose facility providing for every process operation of oil field development (drilling, production, storage, shipment). Prirazlomnaya OIRP is designed so that to ensure maximum safety of oil production. The platform is meant for bearing maximum ice forces and is capable to stand direct impact of waves 10 m high. The Prirazlomnaya platform is protected from such attacks by a special structure with a height of 16.4 m-a deflector made of high-strength steel. The oil rig is secured from any exposure, which enables drilling in all weathers and even under wind load of 51 m/s. The safety margin of the platform exceeds greatly the actual loads. The add-on security of production wells includes special equipment to shutdown oil lifting if required. The overall volume of waste after construction of 35 wells in the field is no more than 142 755 m3. Under efficient production management and given adherence to the pumping technology standards, the waste disposal needs a single injection well. Pollution prevention measures on OIRP include installation of a closed drain system for collecting hazardous discharges from production facilities under pressure. Environmental impact of physical factors of the platform is estimated. The physical factors include acoustic and heat emission, electromagnetic field and ionization radiation. Activity ratio of the physical factors is expected to be insignificant.

Проанализированы различные элементы техногенного воздействия на окружающую среду при разработке Приразломного нефтяного месторождения на шельфе Печерского моря с использованием морской ледостойкой платформы. Глубина моря на точке бурения (19,2 м) позволяет осуществлять строительство скважин с установленной в центральной части месторождения морской ледостойкой платформы (МЛСП) «Приразломная», которая представляет собой многофункциональный комплекс, обеспечивающий все операции по разработке месторождения (бурение и эксплуатация скважин, добыча нефти и газа, хранение нефти, прямая отгрузка нефти на танкеры). Общий объем технологических отходов от строительства на месторождении 35 скважин составляет не более 142 755 м3. В условиях рациональной организации процесса и соблюдения технологии закачки, данное количество отходов может быть захоронено с использованием одной нагнетательной скважины. Защита окружающей среды от загрязнений, которые могут образовываться на МЛСП, обеспечивается следующими конструктивными решениями: установкой закрытой дренажной системы опасных стоков, предназначенной для сбора стоков из всего технологического оборудования, находящегося под давлением. Проведена оценка воздействия объекта на окружающую среду физических факторов. К физическим факторам воздействия относят: акустическое; тепловое излучение; электромагнитное поле и ионизирующее излучение. Воздействие физических факторов на окружающую среду ожидается незначительным по своей интенсивности.

Keywords

морская ледостойкая платформа, Reservoir Pressure Maintenance, arctic shelf, защита окружающей среды, скважина, drilling, oil production, бурение, Offshore ice-resistant platform, нефтедобыча, well, environmental protection, арктический шельф, поддержание пластового давления

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green