h_Flow Regimes_Diagnostic Plot

h_Flow Regimes_Diagnostic Plot - different times in a...

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1 Flow Regimes and the  Diagnostic Plot
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2 Outline 1. Importance to Schlumberger 2. Identify time regions. 2. Identify flow regimes. 3.  Factors that affect pressure response in  early time. 4. Boundaries that affect pressure response  in late time.
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3 Importance to  Schlumberger Engineers  1. Allow us to use the proper Reservoir Model in the WELLTEST TM software 2. Improve our stimulation design.
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4 The Diagnostic Plot Elapsed time, hrs Pressure change, derivative, psi
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5 Time Regions on the Diagnostic Plot Elapsed time, hrs Early-time region Middle- time region Late-time region Pressure change, derivative, psi
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6 Flow Regimes Common geometric shapes Different flow patterns may appear at 
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Unformatted text preview: different times in a single test Flow regimes follow sequence within model 7 Volumetric Behavior Time Pressure change, derivative 1 1 8 Radial Flow 9 Linear Flow Time Pressure change, derivative 2 1 10 Bilinear Flow 11 Spherical Flow 12 Flow Regimes on the Diagnostic Plot Wellbore storage Spherical flow Radial flow Recharge? 13 Flow Regimes and the Diagnostic Plot 14 Exercise 1 Flow Regimes and the Diagnostic Plot FLOWREGM.WTD (Diagnostic Plot) 0.01 0.1 1 10 100 1000 0.0001 0.001 0.01 0.1 1 10 100 1000 10000 Adjusted pressure change, psi Radial equivalent adjusted time, hr...
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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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h_Flow Regimes_Diagnostic Plot - different times in a...

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