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High-pressure hydraulic stimulation of geothermal reservoir

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dc.contributor.author Fomin S.
dc.contributor.author Hashida T.
dc.contributor.author Chugunov V.
dc.date.accessioned 2018-09-17T20:49:05Z
dc.date.available 2018-09-17T20:49:05Z
dc.date.issued 2004
dc.identifier.issn 0888-8116
dc.identifier.uri https://dspace.kpfu.ru/xmlui/handle/net/134102
dc.description.abstract Hydraulic stimulation is performed by high-pressure fluid injection, which permanently increases the permeability of a volume of rock, typically transforming it from the microdarcy into the millidarcy range. After a period of stimulation, fluid injection and recovery boreholes are introduced into the stimulated rock volume, and heat is extracted by water circulation. In the present study a simplified mathematical model of non-steady-state hydraulic stimulation is proposed and analyzed. Fluid flow is assumed to be radial, injected flow rate constant; and fluid density, rock porosity, and permeability depend on fluid pressure. The conventional boundary of the growing stimulated rock volume is introduced as a surface where the porosity and permeability of the stimulated rock exhibit a sharp decline and remain constant within the undisturbed area. The problem is solved analytically by a modified method of integral correlations. As a result, approximate close-form solutions for pressure distributions in the stimulated and non-stimulated (undisturbed) areas are obtained, and an equation for the moving boundary of the stimulated volume is derived. The correctness of the approximate solution is validated by comparison to an exact self-similar solution of the problem obtained for the particular case when the well's radius is assumed to be equal to zero. Copyright © 2004 by ASME.
dc.relation.ispartofseries American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED
dc.subject Approximate solution
dc.subject Borehole
dc.subject Fluid pressure
dc.subject Geothermal reservoir
dc.subject Hydraulic stimulation
dc.subject Permeability
dc.title High-pressure hydraulic stimulation of geothermal reservoir
dc.type Conference Paper
dc.relation.ispartofseries-volume 260
dc.collection Публикации сотрудников КФУ
dc.relation.startpage 687
dc.source.id SCOPUS08888116-2004-260-SID21444458603


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  • Публикации сотрудников КФУ Scopus [24551]
    Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.

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