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56 lines
3.0 KiB
Groff
56 lines
3.0 KiB
Groff
.TH UPSCALE_RELPERM "1" "October 2023" "upscale_relperm 2023.10" "User Commands"
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.SH NAME
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upscale_relperm \- Upscale two-phase relative permeability
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.SH SYNOPSIS
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upscale_relperm [option=value] [grid file] [rock file 1] [rock file 2] [rock file 3] ...
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.SH DESCRIPTION
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Upscale two-phase relative permeability in the capillary limit for lithofacies models described by Eclipse corner point grids.
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Example usage:
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upscale_relperm -bc p grid.grdecl swof1.inc swof2.inc
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For isotropic input, the rock file has four columns, and looks like this:
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-- Stone 1
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-- Sw Krw Kro J-func
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1.42000E-01 0.00000E+00 1.00000E+00 2.25999E+00
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2.79250E-01 1.93652E-03 5.03619E-01 5.76122E-02
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4.14850E-01 1.09648E-02 2.36036E-01 -1.23421E-02
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6.14150E-01 4.10007E-02 3.95006E-02 -8.96693E-02
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7.26100E-01 1.41398E-01 9.30808E-03 -1.19849E-01
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9.48000E-01 8.40000E-01 0.00000E+00 -1.42553E+00
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.SH OPTIONS
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\fB\-bc\fR Which boundary conditions to use. Possible values are p (periodic), f (fixed) or l (linear). Defaults to f.
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.br
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\fB\-points\fR Number of saturation points to upscale for, uniformly distributed. Defaults to 30.
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.br
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\fB\-upscaleBothPhases\fR Whether to upscale both phases or not. Defaults to true.
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.br
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\fB\-relPermCurve\fR If upscaleBothPhases is false and input is isotropic, this specifies the column number in the rock-files to be upscaled. Defaults to 2.
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.br
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\fB\-jFunctionCurve\fR If upscaleBothPhases is false and input is isotropic,the column number in the stone-files that represent the Leverett J-function. Defaults to 4.
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.br
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\fB\-gravity\fR Gravitational acceleration, in m/s². Use 9.8 for standard gravity. Defaults to 0.
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.br
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\fB\-fluids\fR Which two-phase fluid system we are dealing with. Possible values are ow (oil/water) and go (gas/oil). Defaults to ow.
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.br
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\fB\-surfaceTension\fR Surface tension in dynes/cm to use in J-function/Pc conversion. Contact angle is not supported, and \cos \theta=1 is effectively used. Defaults to 11.
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.br
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\fB\-waterDensity\fR Density of water, in g/cm³. Only relevant for non-zero gravity. If fluids is set to go (gas/oil), this should be set to density of gas. Defaults to 1.0.
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.br
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\fB\-oilDensity\fR Density of oil, in g/cm³. Only relevant for non-zero gravity. Defaults to 0.6.
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.br
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\fB\-output\fR Filename for where to write upscaled values.
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.br
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\fB\-doEclipseCheck\fR Check that input curves includes critical saturation points, i.e. saturation points where relperms are 0. See critRelpermThresh. Defaults to true.
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.br
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\fB\-critRelpermThresh\fR If minimum relperm value is less than this value, it is set to 0. Only applicable if doEclipseCheck is true. Defaults to 1e-6.
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.br
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\fB\-interpolate\fR If this option is used, the outputted values will be interpolated values using the supplied number of points (integer larger than 0). Monotone cubic interpolation is used, and will thus produce a smooth curve for a few number of saturation points.
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.SH "REPORTING BUGS"
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Report on github repository <https://github.com/OPM/opm-upscaling/issues>
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.SH "SEE ALSO"
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upscale_perm
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