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Line 49: − | * <table-wrap id="ch09utbl12a" position="float"> <table frame="hsides"> <colgroup> <col align="left"></col> <col align="left"></col> </colgroup> <thead> <tr> <th align="left"> Step </th> <th align="center"> Action </th> </tr> </thead> <tbody> <tr> <td align="center"> 1 Enter the X-axis at percent pore volume (S<sub>w</sub> value). </td></tr> <tr> 2 At the intersectionof grid line and P<sub>c</sub> curve, read the corresponding value for ''r'' on the Y-axis </tr> </tbody> </table> </table-wrap>+ − + − + − | <th align="center"> Action</th>+ − |-+ − | 1+ − | Enter the X-axis at percent pore volume (S<sub>w</sub> value).+ − |- − | 2 − | At the intersectionof grid line and P<sub>c</sub> curve, read the corresponding value for ''r'' on the Y-axis − |} − − <tr><td align="left" valign="top">Height above free water level (''h'') from S<sub>w</sub></td><td align="center"> − − * − − {| class = "wikitable" − |- − ! Step − ! Action − |- − − | Enter the X-axis at percent pore volume (S<sub>w</sub> value). − |- − | 2 − | At the intersection of grid line and P<sub>c</sub> curve, read the corresponding value for P<sub>c</sub> on the left Y-axis. − |- − | 3 − | Multiply P<sub>c</sub> by the appropriate gradient (as a rule of thumb, use 0.7 for oil, 0.4 for gas). − − </td></tr>
Capillary pressure (Pc) curves: pore throat size determination (view source)
Revision as of 20:29, 31 January 2014
, 20:29, 31 January 2014→Using pc to estimate h and r: table
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| Pore throat size ( ''r'' ) from S<sub>w</sub>
| Pore throat size ( ''r'' ) from S<sub>w</sub>
# Enter the X-axis at percent pore volume (S<sub>w</sub> value).
# At the intersectionof grid line and P<sub>c</sub> curve, read the corresponding value for ''r'' on the Y-axis
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|-
| <th align="left"> Step</th>
| Height above free water level (''h'') from S<sub>w</sub>
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# Enter the X-axis at percent pore volume (S<sub>w</sub> value).
# At the intersectionof grid line and P<sub>c</sub> curve, read the corresponding value for P<sub>c</sub> on the left Y-axis
# Multiply P<sub>c</sub> by the appropriate gradient (as a rule of thumb, use 0.7 for oil, 0.4 for gas).
| 1
|}
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==Example==
==Example==