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Journal of Applied Mechanics and Technical Physics

2017 year, number 4

Numerical Investigation of the Temperature Field in a Reservoir with Hydraulic Fracturing

R. F. Sharafutdinov, A. A. Sadretdinov, A. M. Sharipov
Bashkir State University, Ufa, 450076, Russia
Keywords: термометрия в скважинах с гидроразрывом пласта, эффект Джоуля - Томсона, адиабатический эффект, двухфазная фильтрация, thermometry in wells with hydraulic fracture of reservoir, Joule-Thomson effect, adiabatic effect, two-phase filtration, well, reservoir

Abstract

The temperature distribution in a reservoir with hydraulic fracture is studied by numerical modeling of transient temperature fields taking into account the Joule-Thomson effect and the adiabatic effect. It is shown that the presence of hydraulic fracture in the reservoir leads to a nonmonotonic temperature variation in the reservoir temperature: as the well pressure decreases, the temperature first decreases due to the adiabatic expansion of the fluid and then increases due to the Joule-Thomson effect. As the water-oil displacement front approaches the wellbore, the temperature decreases slightly due to the heat exchange processes in the fracture-reservoir system.