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fracture-pattern
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Experimental Investigation of ASP Flooding for EOR in Fractured Heavy Oil Reservoirs Using Micromodel Apparatus
, M.Sc. Thesis Sharif University of Technology ; Massihi, Mohsen (Supervisor) ; Ghazanfari, Mohammad Hossein (Supervisor) ; Rashtchian, Davood (Supervisor)
Abstract
Heavy oil reservoirs contain huge amount of initial oil in place in the world. Thus, enhancement of their production attracts lots of attention. Primary and secondary oil recovery methods have just little effects on the production of these reservoirs, thus, using innovative chemical methods which lead them to increase their mobility is recommended to improve their oil recovery efficiency. One of these proper and novel methods which has been established recently to enhance oil recovery is ASP1 flooding that can significantly increase oil recovery from petroleum heavy oil reservoirs. In addition, considerable numbers of reservoirs especially heavy oil reservoirs are fractured reservoirs. In...
Effects of permeability and cementation on the pattern of hydraulically induced fractures in oil sands
, Article Energy Sources, Part A: Recovery, Utilization and Environmental Effects ; Volume 31, Issue 2 , 2009 , Pages 149-162 ; 15567036 (ISSN) ; Chan, D. H ; Sharif University of Technology
2009
Abstract
It is generally accepted that a hydraulically induced fracture in the reservoir is approximately a plane fracture perpendicular to the direction of the in situ minor principal stress. However, field observations, in some cases, do not support the above traditional assumption. This is especially true when hydraulic fracturing technique is applied to the uncemented porous materials such as oil sands. In this article, the pattern of hydraulically induced fractures in oil sands and other geomaterials is discussed. Field observations and experimental investigation results are combined with the outcomes of the numerical simulations of hydro-fracturing in oil sands conducted by the authors to...