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48 lines
2.7 KiB
Groff
48 lines
2.7 KiB
Groff
.TH CPCHOP_DEPTHTREND "1" "October 2023" "cpchop_depthtrend 2023.10" "User Commands"
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.SH NAME
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cpchop_depthtrend \- Upscale simple statistics
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.SH SYNOPSIS
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cpchop_depthtrend gridfilename=cornerpointgrid.grdecl [option=value]
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.SH DESCRIPTION
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This program is a variant of cpchop. Instead of subsampling randomly, it picks subsamples downwards in a model. It is specifically designed for extracting laterally extensive subsamples in specified intervals downwards through a model, in order to analyze depth trends in porosity in particular.
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Example usage:
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cpchop_depthtrend gridfilename=cornerpointgrid.grdecl subsamples=100 ilen=5 jlen=5 zlen=5
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.SH OPTIONS
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\fBzresolution\fR Vertical distance between subsamples. Defaults to 1.
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.br
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\fBsubsamples\fR Number of subsamples. Defaults to 1.
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.br
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\fBfilebase\fR If supplied, grdecl-files for each subsample will be written to files named using this filebase, it may include directory names.
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.br
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\fBresultfile\fR Name of a textfile to output table of results per subsample to.
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.br
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\fBilen\fR Length in i-direction of subsample, specified in number of cells. Defaults to all cells in i-direction.
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.br
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\fBjlen\fR Length in j-direction of subsample, specified in number of cells. Defaults to all cells in j-direction.
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.br
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\fBzlen\fR Length in z-direction of subsample, specified in the grids length unit (typically cm or m). Defaults to full height.
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.br
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\fBimin\fR Can be used to limit the search area for random subsamples. Defaults to minimum i in inputgrid (full model).
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.br
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\fBimax\fR Can be used to limit the search area for random subsamples. Defaults to maximum i in inputgrid (full model).
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.br
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\fBjmin\fR Analog to imin, but in j-direction. Defaults to minimum j in inputgrid (full model).
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.br
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\fBjmax\fR Analog to imax, but in j-direction. Defaults to maximum j in inputgrid (full model).
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.br
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\fBzmin\fR Analog to imin, but in z-direction and specified in the grids length unit. Defaults to minimum in inputgrid.
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.br
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\fBzmax\fR Analog to imax, but in z-direction and specified in the grids length unit. Defaults to maximum in inputgrid.
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.br
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\fBupscale\fR Boolean for whether to do upscaling on the subsamples, either true or false. If the objective is to obtain a grdecl-file for the subsample, set to false for run time. Defaults to true.
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.br
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\fBbc\fR Boundary condition type for upscaling, either fixed or periodic. Defaults to fixed.
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.br
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\fBresettoorigin\fR If true, outputted grdecl-file will have its ZCORN-values and COORDS-values shifted so that the model is defined at the origin. If false, the outputted grdecl-file will be located in its original position. Defaults to true.
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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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cpchop
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