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Application Of Laplace Transform To Pressure Transient Analysis In A Reservoir With Internal Circular Boundary

Journal: International Journal of Technology Enhancements and Emerging Engineering Research (IJTEEE) (Vol.3, No. 9)

Publication Date:

Authors : ; ; ; ; ; ;

Page : 14-23

Keywords : Keywords Pressure transient; Laplace transform; internal circular boundary; Drawdown test; Type curves;

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ABSTRACT A practical pressure transient analysis method is presented for a drawdown test in a well near a constant pressure internal circular boundary. The problem was mathematically posed and solved using the Laplace Transformation with the Laplace solutions presented in this work. Internal boundaries are viewed as circles with infinite radii and act as a known limiting case for finite radii internal boundaries. The time it takes pressure transient to reach the internal circular boundary and the permeability of the reservoir formation bounded by an internal discontinuity is estimated using generalized type curves. Using a new generalized type curve developed in this investigation the bounded reservoir permeability and transient time to the internal boundary was determined by generalized semi-log type curve matching without using the usual double straight line technique

Last modified: 2015-11-13 19:01:11