g_Type Curve Analysis

g_Type Curve Analysis - TypeCurveAnalysis 1 Outline...

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1 Type Curve Analysis
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2 Outline 1. Importance to Schlumberger 2. Wellbore storage and middle time regions  3. Pressure response for a well with high,  zero, or negative skin. 3. Equivalent time. 4. Calculation of the wellbore storage  coefficient, permeability, and skin factor  from type curve match. 
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3 Importance to Schlumberger 1. Tool to calculate permeability and skin for  Nodal input and stimulation design.  2. Check client’s analysis.   3. WELLTEST TM  software
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4 Dimensionless Variables
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5 Dimensionless Variables - + = kt r c Ei kh qB p p t i 2 948 6 . 70 φμ μ ( 29 - - = - 2 0002637 . 0 4 2 1 2 . 141 w t w i r c kt r r Ei qB p p kh - - = D D D t r Ei p 4 2 1 2 ( 29 qB p p kh p i D 2 . 141 - w D r r r 2 0002637 . 0 w t D r c kt t
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6 Dimensionless Variables Radial Flow With WBS And Skin ( 29 μ qB p p kh p i D 2 . 141 - 2 0002637 . 0 w t D r c kt t φμ w D r r r qB p kh s s 2 . 141 2 8936 . 0
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This note was uploaded on 04/05/2011 for the course PETE 689 taught by Professor Staff during the Spring '08 term at Texas A&M.

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g_Type Curve Analysis - TypeCurveAnalysis 1 Outline...

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