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Merge pull request #1405 from GitPaean/populating_reservoir_rated_output

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[WIP] Populating reservoir rate related output
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Atgeirr Flø Rasmussen 2018-02-21 17:11:40 +01:00 committed by GitHub
commit f0b8e586a6
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9 changed files with 235 additions and 11 deletions
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1
opm/autodiff/BlackoilOutputEbos.hpp
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@ -41,7 +41,6 @@
#include <opm/autodiff/WellStateFullyImplicitBlackoil.hpp>
#include <opm/parser/eclipse/EclipseState/EclipseState.hpp>
#include <opm/parser/eclipse/EclipseState/SummaryConfig/SummaryConfig.hpp>
#include <opm/parser/eclipse/EclipseState/InitConfig/InitConfig.hpp>
#include <string>

6
opm/autodiff/BlackoilWellModel_impl.hpp
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@ -180,6 +180,12 @@ namespace Opm {
void
BlackoilWellModel<TypeTag>::
timeStepSucceeded() {
// TODO: when necessary
rateConverter_->template defineState<ElementContext>(ebosSimulator_);
for (const auto& well : well_container_) {
well->calculateReservoirRates(well_state_);
}
previous_well_state_ = well_state_;
}

90
opm/autodiff/RateConverter.hpp
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@ -582,7 +582,13 @@ namespace Opm {
*
*
* \param[out] coeff Surface-to-reservoir conversion
* coefficients for all active phases.
* coefficients that can be used to compute total reservoir
* volumes from surface volumes with the formula
* q_{rT} = \sum_p coeff[p] q_{sp}.
* However, individual phase reservoir volumes cannot be calculated from
* these coefficients (i.e. q_{rp} is not equal to coeff[p] q_{sp})
* since they can depend on more than one surface volume rate when
* we have dissolved gas or vaporized oil.
*/
template <class Coeff>
void
@ -640,6 +646,88 @@ namespace Opm {
}
/**
* Converting surface volume rates to reservoir voidage rates
*
* \tparam Rates Type representing contiguous collection
* of surface-to-reservoir conversion coefficients. Must
* support direct indexing through \code operator[]()
* \endcode.
*
*
* \param[in] r Fluid-in-place region of the well
* \param[in] pvtRegionIdx PVT region of the well
* \param[in] surface_rates surface voluem rates for
* all active phases
*
* \param[out] voidage_rates reservoir volume rates for
* all active phases
*/
template <class Rates >
void
calcReservoirVoidageRates(const RegionId r, const int pvtRegionIdx, const Rates& surface_rates,
Rates& voidage_rates) const
{
assert(voidage_rates.size() == surface_rates.size());
std::fill(voidage_rates.begin(), voidage_rates.end(), 0.0);
const auto& pu = phaseUsage_;
const auto& ra = attr_.attributes(r);
const double p = ra.pressure;
const double T = ra.temperature;
const int iw = Details::PhasePos::water(pu);
const int io = Details::PhasePos::oil (pu);
const int ig = Details::PhasePos::gas (pu);
if (Details::PhaseUsed::water(pu)) {
// q[w]_r = q[w]_s / bw
const double bw = FluidSystem::waterPvt().inverseFormationVolumeFactor(pvtRegionIdx, T, p);
voidage_rates[iw] = surface_rates[iw] / bw;
}
// Determinant of 'R' matrix
const double detR = 1.0 - (ra.rs * ra.rv);
if (Details::PhaseUsed::oil(pu)) {
// q[o]_r = 1/(bo * (1 - rs*rv)) * (q[o]_s - rv*q[g]_s)
const double Rs = ra.rs;
const double bo = FluidSystem::oilPvt().inverseFormationVolumeFactor(pvtRegionIdx, T, p, Rs);
const double den = bo * detR;
voidage_rates[io] = surface_rates[io];
if (Details::PhaseUsed::gas(pu)) {
const double Rv = ra.rv;
voidage_rates[io] -= Rv * surface_rates[ig];
}
voidage_rates[io] /= den;
}
if (Details::PhaseUsed::gas(pu)) {
// q[g]_r = 1/(bg * (1 - rs*rv)) * (q[g]_s - rs*q[o]_s)
const double Rv = ra.rv;
const double bg = FluidSystem::gasPvt().inverseFormationVolumeFactor(pvtRegionIdx, T, p, Rv);
const double den = bg * detR;
voidage_rates[ig] = surface_rates[ig];
if (Details::PhaseUsed::oil(pu)) {
const double Rs = ra.rs;
voidage_rates[ig] -= Rs * surface_rates[io];
}
voidage_rates[ig] /= den;
}
}
/**
* Compute coefficients for surface-to-reservoir voidage
* conversion for solvent.

3
opm/autodiff/SimulatorFullyImplicitBlackoilEbos.hpp
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@ -288,7 +288,8 @@ public:
// write simulation state at the report stage
Dune::Timer perfTimer;
perfTimer.start();
const double nextstep = adaptiveTimeStepping ? adaptiveTimeStepping->suggestedNextStep() : -1.0;
const double nextstep = adaptiveTimeStepping ? adaptiveTimeStepping->suggestedNextStep() : -1.0;
output_writer_.writeTimeStep( timer, dummy_state, well_model.wellState(), solver->model(), false, nextstep, report);
report.output_write_time += perfTimer.stop();

3
opm/autodiff/StandardWell.hpp
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@ -281,7 +281,8 @@ namespace Opm
void computePerfRate(const IntensiveQuantities& intQuants,
const std::vector<EvalWell>& mob_perfcells_dense,
const double Tw, const EvalWell& bhp, const double& cdp,
const bool& allow_cf, std::vector<EvalWell>& cq_s) const;
const bool& allow_cf, std::vector<EvalWell>& cq_s,
double& perf_dis_gas_rate, double& perf_vap_oil_rate) const;
// TODO: maybe we should provide a light version of computePerfRate, which does not include the
// calculation of the derivatives

64
opm/autodiff/StandardWell_impl.hpp
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@ -395,7 +395,8 @@ namespace Opm
computePerfRate(const IntensiveQuantities& intQuants,
const std::vector<EvalWell>& mob_perfcells_dense,
const double Tw, const EvalWell& bhp, const double& cdp,
const bool& allow_cf, std::vector<EvalWell>& cq_s) const
const bool& allow_cf, std::vector<EvalWell>& cq_s,
double& perf_dis_gas_rate, double& perf_vap_oil_rate) const
{
std::vector<EvalWell> cmix_s(num_components_,0.0);
for (int componentIdx = 0; componentIdx < num_components_; ++componentIdx) {
@ -440,8 +441,17 @@ namespace Opm
const unsigned gasCompIdx = Indices::canonicalToActiveComponentIndex(FluidSystem::gasCompIdx);
const EvalWell cq_sOil = cq_s[oilCompIdx];
const EvalWell cq_sGas = cq_s[gasCompIdx];
cq_s[gasCompIdx] += rs * cq_sOil;
cq_s[oilCompIdx] += rv * cq_sGas;
const EvalWell dis_gas = rs * cq_sOil;
const EvalWell vap_oil = rv * cq_sGas;
cq_s[gasCompIdx] += dis_gas;
cq_s[oilCompIdx] += vap_oil;
// recording the perforation solution gas rate and solution oil rates
if (well_type_ == PRODUCER) {
perf_dis_gas_rate = dis_gas.value();
perf_vap_oil_rate = vap_oil.value();
}
}
} else {
@ -506,6 +516,29 @@ namespace Opm
for (int componentIdx = 0; componentIdx < num_components_; ++componentIdx) {
cq_s[componentIdx] = cmix_s[componentIdx] * cqt_is; // * b_perfcells_dense[phase];
}
// calculating the perforation solution gas rate and solution oil rates
if (well_type_ == PRODUCER) {
if (FluidSystem::phaseIsActive(FluidSystem::oilPhaseIdx) && FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx)) {
const unsigned oilCompIdx = Indices::canonicalToActiveComponentIndex(FluidSystem::oilCompIdx);
const unsigned gasCompIdx = Indices::canonicalToActiveComponentIndex(FluidSystem::gasCompIdx);
// TODO: the formulations here remain to be tested with cases with strong crossflow through production wells
// s means standard condition, r means reservoir condition
// q_os = q_or * b_o + rv * q_gr * b_g
// q_gs = q_gr * g_g + rs * q_or * b_o
// d = 1.0 - rs * rv
// q_or = 1 / (b_o * d) * (q_os - rv * q_gs)
// q_gr = 1 / (b_g * d) * (q_gs - rs * q_os)
const double d = 1.0 - rv.value() * rs.value();
// vaporized oil into gas
// rv * q_gr * b_g = rv * (q_gs - rs * q_os) / d
perf_vap_oil_rate = rv.value() * (cq_s[gasCompIdx].value() - rs.value() * cq_s[oilCompIdx].value()) / d;
// dissolved of gas in oil
// rs * q_or * b_o = rs * (q_os - rv * q_gs) / d
perf_dis_gas_rate = rs.value() * (cq_s[oilCompIdx].value() - rv.value() * cq_s[gasCompIdx].value()) / d;
}
}
}
}
@ -541,6 +574,10 @@ namespace Opm
const EvalWell& bhp = getBhp();
// the solution gas rate and solution oil rate needs to be reset to be zero for well_state.
well_state.wellVaporizedOilRates()[index_of_well_] = 0.;
well_state.wellDissolvedGasRates()[index_of_well_] = 0.;
for (int perf = 0; perf < number_of_perforations_; ++perf) {
const int cell_idx = well_cells_[perf];
@ -548,7 +585,16 @@ namespace Opm
std::vector<EvalWell> cq_s(num_components_,0.0);
std::vector<EvalWell> mob(num_components_, 0.0);
getMobility(ebosSimulator, perf, mob);
computePerfRate(intQuants, mob, well_index_[perf], bhp, perf_pressure_diffs_[perf], allow_cf, cq_s);
double perf_dis_gas_rate = 0.;
double perf_vap_oil_rate = 0.;
computePerfRate(intQuants, mob, well_index_[perf], bhp, perf_pressure_diffs_[perf], allow_cf,
cq_s, perf_dis_gas_rate, perf_vap_oil_rate);
// updating the solution gas rate and solution oil rate
if (well_type_ == PRODUCER) {
well_state.wellDissolvedGasRates()[index_of_well_] += perf_dis_gas_rate;
well_state.wellVaporizedOilRates()[index_of_well_] += perf_vap_oil_rate;
}
for (int componentIdx = 0; componentIdx < num_components_; ++componentIdx) {
// the cq_s entering mass balance equations need to consider the efficiency factors.
@ -1609,7 +1655,10 @@ namespace Opm
std::vector<EvalWell> cq_s(num_components_, 0.0);
std::vector<EvalWell> mob(num_components_, 0.0);
getMobility(ebosSimulator, perf, mob);
computePerfRate(intQuants, mob, well_index_[perf], bhp, perf_pressure_diffs_[perf], allow_cf, cq_s);
double perf_dis_gas_rate = 0.;
double perf_vap_oil_rate = 0.;
computePerfRate(intQuants, mob, well_index_[perf], bhp, perf_pressure_diffs_[perf], allow_cf,
cq_s, perf_dis_gas_rate, perf_vap_oil_rate);
for(int p = 0; p < np; ++p) {
well_flux[ebosCompIdxToFlowCompIdx(p)] += cq_s[p].value();
@ -1995,7 +2044,10 @@ namespace Opm
const bool allow_cf = crossFlowAllowed(ebos_simulator);
const EvalWell& bhp = getBhp();
std::vector<EvalWell> cq_s(num_components_,0.0);
computePerfRate(int_quant, mob, well_index_[perf], bhp, perf_pressure_diffs_[perf], allow_cf, cq_s);
double perf_dis_gas_rate = 0.;
double perf_vap_oil_rate = 0.;
computePerfRate(int_quant, mob, well_index_[perf], bhp, perf_pressure_diffs_[perf], allow_cf,
cq_s, perf_dis_gas_rate, perf_vap_oil_rate);
// TODO: make area a member
const double area = 2 * M_PI * perf_rep_radius_[perf] * perf_length_[perf];
const auto& material_law_manager = ebos_simulator.problem().materialLawManager();

4
opm/autodiff/WellInterface.hpp
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@ -202,6 +202,9 @@ namespace Opm
virtual void calculateExplicitQuantities(const Simulator& ebosSimulator,
const WellState& well_state) = 0; // should be const?
// updating the voidage rates in well_state when requested
void calculateReservoirRates(WellState& well_state) const;
protected:
// to indicate a invalid connection
@ -318,7 +321,6 @@ namespace Opm
double scalingFactor(const int comp_idx) const;
};
}

25
opm/autodiff/WellInterface_impl.hpp
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@ -844,4 +844,29 @@ namespace Opm
return 1.0;
}
template<typename TypeTag>
void
WellInterface<TypeTag>::calculateReservoirRates(WellState& well_state) const
{
const int fipreg = 0; // not considering the region for now
const int np = number_of_phases_;
std::vector<double> surface_rates(np, 0.0);
const int well_rate_index = np * index_of_well_;
for (int p = 0; p < np; ++p) {
surface_rates[p] = well_state.wellRates()[well_rate_index + p];
}
std::vector<double> voidage_rates(np, 0.0);
rateConverter_.calcReservoirVoidageRates(fipreg, pvtRegionIdx_, surface_rates, voidage_rates);
for (int p = 0; p < np; ++p) {
well_state.wellReservoirRates()[well_rate_index + p] = voidage_rates[p];
}
}
}

50
opm/autodiff/WellStateFullyImplicitBlackoil.hpp
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@ -80,11 +80,17 @@ namespace Opm
}
const int nw = wells->number_of_wells;
if( nw == 0 ) return ;
// Initialize perfphaserates_, which must be done here.
const int np = wells->number_of_phases;
const int nperf = wells->well_connpos[nw];
well_reservoir_rates_.resize(nw * np, 0.0);
well_dissolved_gas_rates_.resize(nw, 0.0);
well_vaporized_oil_rates_.resize(nw, 0.0);
// Ensure that we start out with zero rates by default.
perfphaserates_.clear();
perfphaserates_.resize(nperf * np, 0.0);
@ -279,6 +285,23 @@ namespace Opm
auto& well = res.at( wt.first );
well.control = this->currentControls()[ w ];
const int well_rate_index = w * pu.num_phases;
if ( pu.phase_used[Water] ) {
well.rates.set( rt::reservoir_water, this->well_reservoir_rates_[well_rate_index + pu.phase_pos[Water]] );
}
if ( pu.phase_used[Oil] ) {
well.rates.set( rt::reservoir_oil, this->well_reservoir_rates_[well_rate_index + pu.phase_pos[Oil]] );
}
if ( pu.phase_used[Gas] ) {
well.rates.set( rt::reservoir_gas, this->well_reservoir_rates_[well_rate_index + pu.phase_pos[Gas]] );
}
well.rates.set( rt::dissolved_gas, this->well_dissolved_gas_rates_[w] );
well.rates.set( rt::vaporized_oil, this->well_vaporized_oil_rates_[w] );
int local_comp_index = 0;
for( auto& comp : well.completions ) {
const auto rates = this->perfPhaseRates().begin()
@ -511,6 +534,21 @@ namespace Opm
return solvent_well_rate;
}
std::vector<double>& wellReservoirRates()
{
return well_reservoir_rates_;
}
std::vector<double>& wellDissolvedGasRates()
{
return well_dissolved_gas_rates_;
}
std::vector<double>& wellVaporizedOilRates()
{
return well_vaporized_oil_rates_;
}
const std::vector<double>& segRates() const
{
return segrates_;
@ -548,6 +586,18 @@ namespace Opm
std::vector<int> current_controls_;
std::vector<double> perfRateSolvent_;
// phase rates under reservoir condition for wells
// or voidage phase rates
std::vector<double> well_reservoir_rates_;
// dissolved gas rates or solution gas production rates
// should be zero for injection wells
std::vector<double> well_dissolved_gas_rates_;
// vaporized oil rates or solution oil producation rates
// should be zero for injection wells
std::vector<double> well_vaporized_oil_rates_;
// marking whether the well is just added
// for newly added well, the current initialized rates from WellState
// will have very wrong compositions for production wells, will mostly cause