ResToolbox3

NEW - Saved Cases (More tab): save every screen's inputs under a name, for example one case per well, and load them back later. - Your inputs are kept between launches on every calculator, and the shared gas, oil, brine, well and decline data carry over. - Export: CSV tables from every calculator with curves or profiles, and simulator keywords (PVTO, PVDO, PVDG, PVTW) from the PVT screens. - Liquid loading: the critical rate is marked on each Nodal outflow curve and on the Outflow VLP chart. - Outflow: pressure, temperature, gradient and liquid holdup against depth at the operating point. - Nodal injection: each curve runs from zero to the maximum injectable rate. - Nodal sensitivity takes a third value for each variable (3 x 3). - Field Development: plateau length, peak wells online and time to abandonment. - Probabilistic volumes: tornado chart. Deterministic volumes: recovery factor, recoverable volume and hydrocarbon pore volume. - Choke solves for the bean size that gives a target rate. Gas Heating Value can send its gas to Gas PVT. - Tablets: inputs on the left, results and charts on the right. ACCURACY - Gas well outflow: dry gas and gas with a trace of water now give the same bottomhole pressure. Woldesemayat-Ghajar, Gray and Beggs-Brill overstated it (Beggs-Brill by up to 13%), and Woldesemayat-Ghajar no longer fails for dry gas. - Nodal critical rate treated the water rate as a ratio (up to about 16% off); corrected. - Gas Well Skin in metric units: rate unit and D conversion corrected. - Gas Bg (0.03% low) and Oil Bo (0.045% high): exact constants. - Field Development uses the Well Profile decline values at full precision and holds the plateau as new wells come on. - Probabilistic histogram: equal-width bins and no false spike at the top end. USABILITY - Results update as you type on most screens. - The app follows the device language on first launch; the language picker is under More. - Oil PVT: choose whether you know Rsb, Pb or both. - Units read the same everywhere; Inflow shows the absolute open flow (AOF). - Cleaner charts: round axis values, no cut-off or repeated labels, and Bt on its own log chart. - Each calculator links to its section of Calculation Methods. Pipe Capacities moved to Tools.