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WIP in using the filter cake to generate the skin factor
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@ -1375,6 +1375,7 @@ namespace Opm
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template<typename TypeTag>
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void WellInterface<TypeTag>::updateWaterInjectionVolume(const double dt, WellState& well_state) const
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{
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// TODO: gonna abuse this function for calculation the skin factors
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if (!FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx)) {
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return;
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}
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@ -1393,6 +1394,32 @@ namespace Opm
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water_injection_volume[perf] += water_rates * dt;
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std::cout << " well " << this->name() << " perf " << perf << " injection volume " << water_injection_volume[perf] << std::endl;
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}
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// TODO: if the injection concentration changes, the filter cake thickness can be different, need to find a general way
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// can apply to the a few different ways of handling the modeling of filter cake
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// the filter injecting concentration, the porosity, the area size
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// we also need the permeability of the formation, and rw and some other information
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for (int perf = 0; perf < this->number_of_perforations_; ++perf) {
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const auto perf_ecl_index = this->perforationData()[perf].ecl_index;
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const auto connection = this->well_ecl_.getConnections()[perf_ecl_index];
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const auto& filter_cake = this->well_ecl_.getConnections()[perf_ecl_index].getFilterCake();
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if (filter_cake.active()) {
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// we do the work here, the main thing here is to compute a multiplier for the transmissibility
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if (filter_cake.geometry == Connection::FilterCakeGeometry::LINEAR) {
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const double poro = filter_cake.poro;
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const double perm = filter_cake.perm;
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const double rw = connection.getFilterCakeRadius();
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const double area = connection.getFilterCakeArea();
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const double conc = this->well_ecl_.getFilterConc();
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const double thickness = water_injection_volume[perf] * conc / (area*(1.-poro));
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std::cout << " perf " << perf << " water_injection_volume " << water_injection_volume[perf] << " conc " << conc
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<< " area " << area << " poro " << poro << " thickness " << thickness << std::endl;
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double skin_factor = 0.;
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}
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}
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}
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}
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} // namespace Opm
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