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With EQUIL item 10 = 1 the COMPVD rows give the composition versus depth, so they decide where the gas zone ends. A contact outside the gap between the last vapour row and the first liquid row now moves to the nearest edge of that gap with a warning instead of stopping the run. Type 3 keeps the error, as it uses the contact as reference depth.
Its deck comes from OPM/opm-tests#1638.
A cell on the contact belongs to the liquid zone, so a contact moved onto the last vapour row gave that row's depth the liquid composition. With EQUIL item 10 = 1 the rows decide the phase.
The water took the liquid column's pressure even when the gas zone reaches the water-oil contact, as it does once the gas-oil contact lies below it.
Clamp once and compare, so the row gap is defined in one place. Once the boundary moves it is no longer the EQUIL contact, so the later messages stop calling it that. The rejection test checks which error it gets.
The flash intensive quantities took the reference porosity, so ROCK had no effect on compositional runs. Scale the porosity with the pressure as the black-oil model does; the rock table follows PVTNUM or ROCKNUM. ROCKCOMP is rejected, as its compaction tables do not enter the porosity.
…Flow The cells took the water PVT and the water surface density of the first PVT region. Select the cell's PVT region in the parameter cache.
The water column of every equilibration region took the water PVT of the first PVT region. Integrate a water column for each PVT region among the cells of an equilibration region and give each cell the column of its own region. A datum below the water-oil contact gives the pressure of all of these waters, so there they must reach the contact at the same pressure.
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Compositional Flow took PVT region 1 everywhere and ignored rock compressibility:
Needs OPM/opm-common#5400 and OPM/opm-tests#1628.