diff --git a/opm/simulators/wells/StandardWell.hpp b/opm/simulators/wells/StandardWell.hpp
index d6afc29b0..b3b7c9598 100644
--- a/opm/simulators/wells/StandardWell.hpp
+++ b/opm/simulators/wells/StandardWell.hpp
@@ -438,11 +438,6 @@ namespace Opm
                                                       DeferredLogger& deferred_logger) const;
 
     private:
-        Eval connectionRateBrine(double& rate,
-                                 const double vap_wat_rate,
-                                 const std::vector<EvalWell>& cq_s,
-                                 const IntensiveQuantities& intQuants) const;
-
         Eval connectionRateEnergy(const double maxOilSaturation,
                                   const std::vector<EvalWell>& cq_s,
                                   const IntensiveQuantities& intQuants,
diff --git a/opm/simulators/wells/StandardWellConnections.cpp b/opm/simulators/wells/StandardWellConnections.cpp
index 15ec18f0b..0e436f144 100644
--- a/opm/simulators/wells/StandardWellConnections.cpp
+++ b/opm/simulators/wells/StandardWellConnections.cpp
@@ -514,6 +514,31 @@ computeProperties(const WellState& well_state,
     this->computePressureDelta();
 }
 
+template<class FluidSystem, class Indices, class Scalar>
+typename StandardWellConnections<FluidSystem,Indices,Scalar>::Eval
+StandardWellConnections<FluidSystem,Indices,Scalar>::
+connectionRateBrine(double& rate,
+                    const double vap_wat_rate,
+                    const std::vector<EvalWell>& cq_s,
+                    const std::variant<Scalar,EvalWell>& saltConcentration) const
+{
+    // TODO: the application of well efficiency factor has not been tested with an example yet
+    const unsigned waterCompIdx = Indices::canonicalToActiveComponentIndex(FluidSystem::waterCompIdx);
+    // Correction salt rate; evaporated water does not contain salt
+    EvalWell cq_s_sm = cq_s[waterCompIdx] - vap_wat_rate;
+    if (well_.isInjector()) {
+        cq_s_sm *= std::get<Scalar>(saltConcentration);
+    } else {
+        cq_s_sm *= std::get<EvalWell>(saltConcentration);
+    }
+
+    // Note. Efficiency factor is handled in the output layer
+    rate = cq_s_sm.value();
+
+    cq_s_sm *= well_.wellEfficiencyFactor();
+    return well_.restrictEval(cq_s_sm);
+}
+
 #define INSTANCE(...) \
 template class StandardWellConnections<BlackOilFluidSystem<double,BlackOilDefaultIndexTraits>,__VA_ARGS__,double>;
 
diff --git a/opm/simulators/wells/StandardWellConnections.hpp b/opm/simulators/wells/StandardWellConnections.hpp
index 45b6eb02c..2d4d3b9ec 100644
--- a/opm/simulators/wells/StandardWellConnections.hpp
+++ b/opm/simulators/wells/StandardWellConnections.hpp
@@ -23,7 +23,10 @@
 #ifndef OPM_STANDARDWELL_CONNECTIONS_HEADER_INCLUDED
 #define OPM_STANDARDWELL_CONNECTIONS_HEADER_INCLUDED
 
+#include <opm/simulators/wells/StandardWellPrimaryVariables.hpp>
+
 #include <functional>
+#include <variant>
 #include <vector>
 
 namespace Opm
@@ -76,6 +79,14 @@ public:
     Scalar pressure_diff(const unsigned perf) const
     { return perf_pressure_diffs_[perf]; }
 
+    using Eval = typename WellInterfaceIndices<FluidSystem,Indices,Scalar>::Eval;
+    using EvalWell = typename StandardWellPrimaryVariables<FluidSystem,Indices,Scalar>::EvalWell;
+
+    Eval connectionRateBrine(double& rate,
+                             const double vap_wat_rate,
+                             const std::vector<EvalWell>& cq_s,
+                             const std::variant<Scalar,EvalWell>& saltConcentration) const;
+
 private:
     void computePressureDelta();
 
diff --git a/opm/simulators/wells/StandardWell_impl.hpp b/opm/simulators/wells/StandardWell_impl.hpp
index 80172708a..d64225c41 100644
--- a/opm/simulators/wells/StandardWell_impl.hpp
+++ b/opm/simulators/wells/StandardWell_impl.hpp
@@ -549,9 +549,17 @@ namespace Opm
         }
 
         if constexpr (has_brine) {
+            std::variant<Scalar,EvalWell> saltConcentration;
+            if (this->isInjector()) {
+                saltConcentration = this->wsalt();
+            } else {
+                saltConcentration = this->extendEval(intQuants.fluidState().saltConcentration());
+            }
+
             connectionRates[perf][Indices::contiBrineEqIdx] =
-                connectionRateBrine(perf_data.brine_rates[perf],
-                                    perf_rates.vap_wat, cq_s, intQuants);
+                this->connections_.connectionRateBrine(perf_data.brine_rates[perf],
+                                                       perf_rates.vap_wat, cq_s,
+                                                       saltConcentration);
         }
 
         if constexpr (has_micp) {
@@ -2136,32 +2144,6 @@ namespace Opm
     }
 
 
-    template <typename TypeTag>
-    typename StandardWell<TypeTag>::Eval
-    StandardWell<TypeTag>::
-    connectionRateBrine(double& rate,
-                        const double vap_wat_rate,
-                        const std::vector<EvalWell>& cq_s,
-                        const IntensiveQuantities& intQuants) const
-    {
-        // TODO: the application of well efficiency factor has not been tested with an example yet
-        const unsigned waterCompIdx = Indices::canonicalToActiveComponentIndex(FluidSystem::waterCompIdx);
-        // Correction salt rate; evaporated water does not contain salt
-        EvalWell cq_s_sm = cq_s[waterCompIdx] - vap_wat_rate;
-        if (this->isInjector()) {
-            cq_s_sm *= this->wsalt();
-        } else {
-            cq_s_sm *= this->extendEval(intQuants.fluidState().saltConcentration());
-        }
-
-        // Note. Efficiency factor is handled in the output layer
-        rate = cq_s_sm.value();
-
-        cq_s_sm *= this->well_efficiency_factor_;
-        return Base::restrictEval(cq_s_sm);
-    }
-
-
     template <typename TypeTag>
     typename StandardWell<TypeTag>::Eval
     StandardWell<TypeTag>::