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First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address.Adelshin A.A. – candidate of technical sciences, associate professor Adelshin A.B. – doctor of technical sciences, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Urmitova N.S. – candidate of technical sciences, associate professor Beregovaya V.A. – student Minushov L.R. – student Kazan State University of Architecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1
Title of the articleFull-block installation of hydrodynamic cleaning of oilfield wastewater by swirling flows
Abstract.Nowadays about 90 % of oil are extracted on the fields developed with the use of methods of water flooding of oil layers in order to keep up the bench pressure. Purification of the oil-field sewage (OFS) for water flooding of the productive horizons consists in removing oil and mechanical impurity to the established norms. The essence and success of process of cleaning of OFS consists in destruction of the adsorptive reserving cover on drops of the disperse phase (oil), previous merge, their integration. Thus the extent of destruction of the specified cover on oil drops is defining the depth and speed of process of cleaning of OFS, the mode of movement OFS providing the integration of these drops. These processes are carried out most fully and intensively at certain extent of turbulization of a stream of OFS in a cavity of various hydrodynamic drop formers with the subsequent decantation. Release of a trial complex of a hydrodynamic drop formers of the «hydro cyclone – chamber drains» (HCD 75) type is mastered and carried out; introduction of trial «set hidrocyclone – chamber drains – setting tank» (SHCDST) installation for OFS cleaning for the purpose of water flooding of oil layers in the conditions of OJSC «Tatneft» is carried out. Advantages of this device are high reliability, high effect of cleaning and high specific efficiency; the complex hydrodynamic processing of OFS combined with intensive contact cleaning; uniform collecting of cleaned water and deposit; hydrodynamic destruction of an intermediate layer and exception of formation of this layer, rather full and fast removal of a deposit; possibility of carrying out repair and preventive and emergency works without device termination of work; block of full factory production. Improvement of quality of water pumped in layer brings: to involvement in development of layers of low permeability and to increase in oil production; to increase in the between-repairs periods of a well, therefore, additional oil production; to reduction of number of again being drilled wells, in connection with loss of acceleration performance drilled earlier; to decrease in environmental pollution. The use of OFS in systems of flooding of oil layers is the only economically and ecologically favorable way of their elimination on crafts.
Keywords.Oil-field sewage, hydro cyclone, chamber drains, swirling streams, setting tank, the inverting contact weight, coalescence, water purification processing, the filter.
For citations:Adelshin A.A., Adelshin A.B., Urmitova N.S., Beregovaya V.A., Minushov L.R. Full-block installation of hydrodynamic cleaning of oilfield wastewater by swirling flows // Izvestiya KGASU. 2013. №4(26) P.192-201.

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