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Pressure transient behavior of a well in anisotropic reservoir intersected by multiple fractures.

Al-Hajji, Ali Ahmed. (1996) Pressure transient behavior of a well in anisotropic reservoir intersected by multiple fractures. Masters thesis, King Fahd University of Petroleum and Minerals.

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The pressure transient behavior of a well in an anisotropic reservoir intersected by multiple fractures has been investigated using an existing single-phase 2D numerical model. Results were correlated in terms of dimensionless pressure drop and dimensionless time. Values of permeability anisotropic ratio (ky/kx) ranging from 0.25-10.0 were used in this study. It was found from the analysis of the developed curves that multiple infinite conductivity fractures are not recommended over a single fracture having the same total length of the multiple fractures. When the fractures conductivity is infinite, the formation linear flow period was observed for all the various permeability anisotropic ratios considered. A new definition was introduced for dimensionless fracture conductivity for an anisotropic reservoir with multiple finite conductivity fractures. For low values of dimensionless fracture conductivity (FCD< 10π) it was found that finite conductivity multiple fractures are preferred over a finite conductivity single fracture. Up to 20% improvement in performance was gained by having finite conductivity multiple fractures if permeability anisotropy exist.



Item Type:Thesis (Masters)
Date:December 1996
Date Type:Completion
Subjects:Petroleum
Divisions:College Of Engineering Sciences > Petroleum Engineering Dept
Creators:Al-Hajji, Ali Ahmed.
Committee Advisor:Al-Yousef, Hasan Y.
Committee Members:Al-Kaabi, Abdul-Aziz U. and Al-Hashim, Hasan S.
ID Code:9940
Deposited By:KFUPM ePrints Admin
Deposited On:22 Jun 2008 16:52
Last Modified:25 Apr 2011 09:38

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