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fix hydrostatic correction for branched wells in IPR

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Tor Harald Sandve
2022-06-07 14:14:59 +02:00
parent 3adaa1b987
commit 46c8aa3306
1 changed files with 13 additions and 7 deletions
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20
opm/simulators/wells/MultisegmentWell_impl.hpp
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@@ -1227,14 +1227,20 @@ namespace Opm
std::fill(this->ipr_b_.begin(), this->ipr_b_.end(), 0.); std::fill(this->ipr_b_.begin(), this->ipr_b_.end(), 0.);
const int nseg = this->numberOfSegments(); const int nseg = this->numberOfSegments();
double seg_bhp_press_diff = 0; const double ref_depth = this->ref_depth_;
double ref_depth = this->ref_depth_; std::vector<double> seg_dp(nseg, 0.0);
for (int seg = 0; seg < nseg; ++seg) { for (int seg = 0; seg < nseg; ++seg) {
// calculating the perforation rate for each perforation that belongs to this segment // calculating the perforation rate for each perforation that belongs to this segment
const double segment_depth = this->segmentSet()[seg].depth(); const double segment_depth = this->segmentSet()[seg].depth();
const double dp = wellhelpers::computeHydrostaticCorrection(ref_depth, segment_depth, this->segment_densities_[seg].value(), this->gravity_); const int outlet_segment_index = this->segmentNumberToIndex(this->segmentSet()[seg].outletSegment());
ref_depth = segment_depth; const double segment_depth_outlet = seg == 0? ref_depth : this->segmentSet()[outlet_segment_index].depth();
seg_bhp_press_diff += dp; double dp = wellhelpers::computeHydrostaticCorrection(segment_depth_outlet, segment_depth, this->segment_densities_[seg].value(), this->gravity_);
// we add the hydrostatic correction from the outlet segment
// in order to get the correction all the way to the bhp ref depth.
if (seg > 0) {
dp += seg_dp[outlet_segment_index];
}
seg_dp[seg] = dp;
for (const int perf : this->segment_perforations_[seg]) { for (const int perf : this->segment_perforations_[seg]) {
std::vector<Scalar> mob(this->num_components_, 0.0); std::vector<Scalar> mob(this->num_components_, 0.0);
@@ -1245,7 +1251,7 @@ namespace Opm
const auto& int_quantities = *(ebos_simulator.model().cachedIntensiveQuantities(cell_idx, /*timeIdx=*/ 0)); const auto& int_quantities = *(ebos_simulator.model().cachedIntensiveQuantities(cell_idx, /*timeIdx=*/ 0));
const auto& fs = int_quantities.fluidState(); const auto& fs = int_quantities.fluidState();
// the pressure of the reservoir grid block the well connection is in // the pressure of the reservoir grid block the well connection is in
// pressure difference between the segment and the perforation // pressure difference between the segment and the perforation
const double perf_seg_press_diff = this->gravity_ * this->segment_densities_[seg].value() * this->perforation_segment_depth_diffs_[perf]; const double perf_seg_press_diff = this->gravity_ * this->segment_densities_[seg].value() * this->perforation_segment_depth_diffs_[perf];
// pressure difference between the perforation and the grid cell // pressure difference between the perforation and the grid cell
const double cell_perf_press_diff = this->cell_perforation_pressure_diffs_[perf]; const double cell_perf_press_diff = this->cell_perforation_pressure_diffs_[perf];
@@ -1262,7 +1268,7 @@ namespace Opm
} }
// the pressure difference between the connection and BHP // the pressure difference between the connection and BHP
const double h_perf = cell_perf_press_diff + perf_seg_press_diff + seg_bhp_press_diff; const double h_perf = cell_perf_press_diff + perf_seg_press_diff + dp;
const double pressure_diff = pressure_cell - h_perf; const double pressure_diff = pressure_cell - h_perf;
// do not take into consideration the crossflow here. // do not take into consideration the crossflow here.