PETE311_06A_Class30_(Maggard)

PETE311_06A_Class30_(Maggard) - Field Determination of...

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Field Determination of Relative Permeability Ratios/ Use of Relative Permeability
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Relative Permeability Ratio Usually the ratio of gas or water relative permeability to oil relative permeability Determined from field or laboratory data k g /k o from field data o o o g g g o g B q B q k k μ
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Effect of Water Saturation Note this is a graph of log k g /k o vs S g . Vertical asymptotes are: Critical gas saturation, S gc Existing water saturation, S w
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Effect of Saturation History Laboratory data from Geffen et al Note this is a graph of log k o /k w vs S w . Vertical asymptotes are: Drainage Irreducible water saturation, S wir Critical oil saturation, S oc Imbibition Residual oil saturation, S or
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Height of 100% Water Production This figure correlates relative permeability data (top) to capillary pressure and log data (bottom) Indicates only water produced below the dashed line
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This figure correlates
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This note was uploaded on 12/03/2009 for the course PETE 311 taught by Professor Staff during the Spring '08 term at Texas A&M.

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PETE311_06A_Class30_(Maggard) - Field Determination of...

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