Problems of storage, refinery and disposing of drilling waste of the exploration and production sector of kazakhstan. Arrangement and operation features of sludge collectors and oil storage pits
Rozhkova O.V. Yermekov M.T. Tolysbayev Y.T. Maryinsky S.G. Vetyugov A.V.
2021National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2021#2Issue 446151 - 158 pp.
A lot of drilling wastes with various content of oil products is formed annually during production of hydrocarbons in the result of accidents at the facilities of transportation and oil production, soil is polluted. So, main contaminants of the environment are drilling wastes such as drilling, drilling waste water, waste drilling fluid and places of their disposition-sludge pits. Total amount of the oil slurry annually formed at enterprises of the oil sector of Kazakhstan is about 100 thousand ton, and resources of these wastes are estimated in more than 40 mln. ton. The wastes are placed in special sludge pits equipped with watertight screen. However, in spite of the available modern technologies for arrangement of waterproof finish of the drilling waste disposal facilities, high level of soil pollution is still observed. As a rule, pollutions are related to violation of the requirements of the standards during construction and operation of sludge pits, products pipelines, tailing dumps, sludge collectors and temporary storages. Therefore it is necessary to build reliable storages for temporary placement of the formed wastes until their delivery for recovery or disposing, during operation of which there will be no migration of pollutants to the environment. It is suggested to use bentonitic mats as waterproof finish of such facilities-this is innovative by properties, multifunctional composite material, which is combination of textile materials with the layer of the natural self-recovering mineral component-bentonite.
Bentonitic mats , Drilling wastes , Environmental protection , Oil contaminated soil , Oil slurry
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Kazakh Agrotechnical University, Parasat Scientific and Technological Center JSC, Nur-Sultan, Kazakhstan
Saken Seifullin Kazakh Agrotechnical University, Nur-Sultan, Kazakhstan
Department of General and Special Chemistry, Tyumen industrial University, Tyumen, Russian Federation
Bentonit Ltd, Moscow, Russian Federation
Kazakh Agrotechnical University
Saken Seifullin Kazakh Agrotechnical University
Department of General and Special Chemistry
Bentonit Ltd
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