Merge pull request #4054 from totto82/gasliftthplim

Allow for gaslift for wells that violate thp limit but are not allowed to switch

opm/simulators/wells/GasLiftSingleWell.hpp

@@ -61,6 +61,8 @@ namespace Opm
             double bhp, bool bhp_is_limited, bool debug_output=true) const override;
         void setAlqMaxRate_(const GasLiftOpt::Well& well);
         void setupPhaseVariables_();
+        bool checkThpControl_() const override;
+
 
         const Simulator &ebos_simulator_;
         const WellInterface<TypeTag> &well_;

opm/simulators/wells/GasLiftSingleWellGeneric.cpp

@@ -278,22 +278,6 @@ checkInitialALQmodified_(double alq, double initial_alq) const
     }
 }
 
-bool
-GasLiftSingleWellGeneric::
-checkThpControl_() const
-{
-    const int well_index = this->well_state_.index(this->well_name_).value();
-    const Well::ProducerCMode& control_mode =
-                         this->well_state_.well(well_index).production_cmode;
-    bool thp_control = control_mode == Well::ProducerCMode::THP;
-    if (this->debug) {
-        if (!thp_control) {
-            displayDebugMessage_("Well is not under THP control, skipping iteration..");
-        }
-    }
-    return thp_control;
-}
-
 std::pair<std::optional<double>,double>
 GasLiftSingleWellGeneric::
 computeConvergedBhpAtThpLimitByMaybeIncreasingALQ_() const

opm/simulators/wells/GasLiftSingleWellGeneric.hpp

@@ -248,7 +248,7 @@ protected:
     bool checkGroupTargetsViolated(
                       const BasicRates& rates, const BasicRates& new_rates) const;
     bool checkInitialALQmodified_(double alq, double initial_alq) const;
-    bool checkThpControl_() const;
+    virtual bool checkThpControl_() const = 0;
     virtual std::optional<double> computeBhpAtThpLimit_(double alq) const = 0;
     std::pair<std::optional<double>,double> computeConvergedBhpAtThpLimitByMaybeIncreasingALQ_() const;
     std::pair<std::optional<BasicRates>,double> computeInitialWellRates_() const;

opm/simulators/wells/GasLiftSingleWell_impl.hpp

@@ -210,4 +210,23 @@ setAlqMaxRate_(const GasLiftOpt::Well &well)
     }
 }
 
+template<typename TypeTag>
+bool
+GasLiftSingleWell<TypeTag>::
+checkThpControl_() const
+{
+    const int well_index = this->well_state_.index(this->well_name_).value();
+    const Well::ProducerCMode& control_mode =
+                         this->well_state_.well(well_index).production_cmode;
+    bool thp_control = control_mode == Well::ProducerCMode::THP;
+    const WellInterfaceGeneric &well = getWell();
+    thp_control = thp_control || well.thpLimitViolatedButNotSwitched();
+    if (this->debug) {
+        if (!thp_control) {
+            displayDebugMessage_("Well is not under THP control, skipping iteration..");
+        }
+    }
+    return thp_control;
+}
+
 }

opm/simulators/wells/WellInterfaceGeneric.cpp

@@ -425,6 +425,11 @@ bool WellInterfaceGeneric::useVfpExplicit() const
     return ((wvfpexp.explicit_lookup() && !changedToOpenThisStep())|| operability_status_.use_vfpexplicit);
 }
 
+bool WellInterfaceGeneric::thpLimitViolatedButNotSwitched() const
+{
+    return operability_status_.thp_limit_violated_but_not_switched;
+}
+
 double WellInterfaceGeneric::getALQ(const WellState& well_state) const
 {
     return well_state.getALQ(name());

opm/simulators/wells/WellInterfaceGeneric.hpp

@@ -91,6 +91,7 @@ public:
     // whether the well is operable
     bool isOperableAndSolvable() const;
     bool useVfpExplicit () const;
+    bool thpLimitViolatedButNotSwitched() const;
 
     void initCompletions();
     void closeCompletions(const WellTestState& wellTestState);