Reserve estimate — p/Z (workbook: gas reserve estimate)
Well data, marches and the matched IPR are taken from the Well model module.
prod_data — inputs green (CGR/WGR blank = base), outputs dt / pr / z filled by the solver
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+10 rows
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or click a cell and Ctrl+V (Date, FTHP, q, CGR, WGR, Pwf)
Static surveys — q = 0 rows, Pres by the static gas march (well-model data + geothermal temp). Gp is taken from the cumulative of the prod data table (selection 1).
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or click a cell and Ctrl+V (Date, STHP, rate, CGR, WGR)
Memory-gauge surveys — inputs Date and Pr (the static, built-up reservoir pressure at datum); z, Gp and p/Z are calculated. Gp is taken from the cumulative of the prod data table (selection 1).
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+10 rows
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or click a cell and Ctrl+V (Date, Pr)
Reservoir limit (workbook sheet): m = −slope(Pwf, t) over all rows, Ct = Cg·Sg + Co·So + Cw·Sw + Cf, GIIP = q̄/(Ct·m)
Run selected method → GIIP