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Keywords: derivative curve
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Proceedings Papers

Paper presented at the SPE Middle East Oil Show, March 17–20, 2001
Paper Number: SPE-68143-MS
... intelligence pressure profile derivative curve flow in porous media sink probe simulation model permeability value drillstem testing vertical permeability fluid dynamics machine learning permeability zone simulation pressure transient analysis flow period permeability probe Copyright 2001...
Proceedings Papers

Paper presented at the Middle East Oil Show, November 16–19, 1991
Paper Number: SPE-21403-MS
... dimensionless time are defined with respect to kH the derivative curve will stabilize to a di- mensionless value of 0.5 during pseudo-radial flow. Both Figs. 2 and 3 show an early period dominated by well- bore storage. which on both the pressure and derivative curves. show straight lines of unit slope. In...

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