diff --git a/opm/simulators/wells/MultisegmentWellEval.cpp b/opm/simulators/wells/MultisegmentWellEval.cpp
index faae8cf09..898a65331 100644
--- a/opm/simulators/wells/MultisegmentWellEval.cpp
+++ b/opm/simulators/wells/MultisegmentWellEval.cpp
@@ -264,6 +264,7 @@ MultisegmentWellEval<FluidSystem,Indices,Scalar>::
 assembleICDPressureEq(const int seg,
                       const UnitSystem& unit_system,
                       WellState& well_state,
+                      const SummaryState& summary_state,
                       const bool use_average_density,
                       DeferredLogger& deferred_logger)
 {
@@ -306,9 +307,9 @@ assembleICDPressureEq(const int seg,
             }
             break;
         case Segment::SegmentType::VALVE :
-            icd_pressure_drop = segments_.pressureDropValve(seg);
+            icd_pressure_drop = segments_.pressureDropValve(seg, summary_state);
             if (reverseFlow){
-                extra_derivatives = -segments_.pressureDropValve(seg, /*extra_reverse_flow_derivatives*/ true);
+                extra_derivatives = -segments_.pressureDropValve(seg, summary_state, /*extra_reverse_flow_derivatives*/ true);
             }
             break;
         default: {
@@ -380,6 +381,7 @@ MultisegmentWellEval<FluidSystem,Indices,Scalar>::
 assemblePressureEq(const int seg,
                    const UnitSystem& unit_system,
                    WellState& well_state,
+                   const SummaryState& summary_state,
                    const bool use_average_density,
                    DeferredLogger& deferred_logger)
 {
@@ -387,7 +389,7 @@ assemblePressureEq(const int seg,
         case Segment::SegmentType::SICD :
         case Segment::SegmentType::AICD :
         case Segment::SegmentType::VALVE : {
-            assembleICDPressureEq(seg, unit_system, well_state, use_average_density, deferred_logger);
+            assembleICDPressureEq(seg, unit_system, well_state, summary_state, use_average_density, deferred_logger);
             break;
         }
         default :
diff --git a/opm/simulators/wells/MultisegmentWellEval.hpp b/opm/simulators/wells/MultisegmentWellEval.hpp
index ddc4d8d95..464b02f43 100644
--- a/opm/simulators/wells/MultisegmentWellEval.hpp
+++ b/opm/simulators/wells/MultisegmentWellEval.hpp
@@ -41,6 +41,8 @@ class ConvergenceReport;
 class GroupState;
 class Schedule;
 class WellContributions;
+class SummaryState;
+
 template<class FluidSystem, class Indices, class Scalar> class WellInterfaceIndices;
 class WellState;
 
@@ -83,6 +85,7 @@ protected:
     void assembleICDPressureEq(const int seg,
                                const UnitSystem& unit_system,
                                WellState& well_state,
+                               const SummaryState& summary_state,
                                const bool use_average_density,
                                DeferredLogger& deferred_logger);
 
@@ -94,6 +97,7 @@ protected:
     void assemblePressureEq(const int seg,
                             const UnitSystem& unit_system,
                             WellState& well_state,
+                            const SummaryState& summary_state,
                             const bool use_average_density,
                             DeferredLogger& deferred_logger);
 
diff --git a/opm/simulators/wells/MultisegmentWellSegments.cpp b/opm/simulators/wells/MultisegmentWellSegments.cpp
index 965077fe8..08dcf9d11 100644
--- a/opm/simulators/wells/MultisegmentWellSegments.cpp
+++ b/opm/simulators/wells/MultisegmentWellSegments.cpp
@@ -769,10 +769,11 @@ template<class FluidSystem, class Indices, class Scalar>
 typename MultisegmentWellSegments<FluidSystem,Indices,Scalar>::EvalWell
 MultisegmentWellSegments<FluidSystem,Indices,Scalar>::
 pressureDropValve(const int seg,
+                  const SummaryState& summary_state,
                   const bool extra_reverse_flow_derivatives /*false*/) const
 {
-    const auto& segment_set = well_.wellEcl().getSegments();
-    const Valve& valve = segment_set[seg].valve();
+    Opm::WellSegments& segment_set = well_.wellEcl().getSegments();
+    Valve& valve = segment_set[seg].valve();
 
     EvalWell mass_rate = mass_rates_[seg];
     const int seg_upwind = upwinding_segments_[seg];
@@ -814,7 +815,9 @@ pressureDropValve(const int seg,
     const EvalWell friction_pressure_loss =
         mswellhelpers::frictionPressureLoss(additional_length, diameter, area, roughness, density, mass_rate, visc);
 
-    const double area_con = valve.conCrossArea();
+    const double udq_default = 0.0; // TODO: Get this from UDQPARAMS
+    ValveUDAEval uda_eval {summary_state, this->well_.name(), seg, udq_default};
+    const double area_con = valve.conCrossArea(uda_eval);
     const double cv = valve.conFlowCoefficient();
 
     const EvalWell constriction_pressure_loss =
diff --git a/opm/simulators/wells/MultisegmentWellSegments.hpp b/opm/simulators/wells/MultisegmentWellSegments.hpp
index d61182b49..6144bea12 100644
--- a/opm/simulators/wells/MultisegmentWellSegments.hpp
+++ b/opm/simulators/wells/MultisegmentWellSegments.hpp
@@ -34,6 +34,7 @@ namespace Opm {
     class  SegmentState;
     class  UnitSystem;
     class  WellInterfaceGeneric;
+    class  SummaryState;
 
 } // namespace Opm
 
@@ -85,8 +86,8 @@ public:
 
     // pressure drop for sub-critical valve (WSEGVALV)
     EvalWell pressureDropValve(const int seg, 
+                               const SummaryState& st,
                                const bool extra_reverse_flow_derivatives = false) const;
-                               
     // pressure loss due to acceleration
     EvalWell accelerationPressureLoss(const int seg) const;
 
@@ -162,7 +163,7 @@ private:
     std::vector<std::vector<EvalWell>> phase_fractions_;
     std::vector<std::vector<EvalWell>> phase_viscosities_;
 
-    const WellInterfaceGeneric& well_;
+    WellInterfaceGeneric& well_;
 
     void copyPhaseDensities(const unsigned    phaseIdx,
                             const std::size_t stride,
diff --git a/opm/simulators/wells/MultisegmentWell_impl.hpp b/opm/simulators/wells/MultisegmentWell_impl.hpp
index 7acd70cdc..4d3d50675 100644
--- a/opm/simulators/wells/MultisegmentWell_impl.hpp
+++ b/opm/simulators/wells/MultisegmentWell_impl.hpp
@@ -1907,7 +1907,8 @@ namespace Opm
                                         deferred_logger);
             } else {
                 const UnitSystem& unit_system = ebosSimulator.vanguard().eclState().getDeckUnitSystem();
-                this->assemblePressureEq(seg, unit_system, well_state, this->param_.use_average_density_ms_wells_, deferred_logger);
+                const auto& summary_state = ebosSimulator.vanguard().summaryState();
+                this->assemblePressureEq(seg, unit_system, well_state, summary_state, this->param_.use_average_density_ms_wells_, deferred_logger);
             }
         }
 
diff --git a/opm/simulators/wells/WellInterfaceGeneric.cpp b/opm/simulators/wells/WellInterfaceGeneric.cpp
index 947a33c89..a9e37b5d7 100644
--- a/opm/simulators/wells/WellInterfaceGeneric.cpp
+++ b/opm/simulators/wells/WellInterfaceGeneric.cpp
@@ -174,6 +174,11 @@ const Well& WellInterfaceGeneric::wellEcl() const
     return well_ecl_;
 }
 
+Well& WellInterfaceGeneric::wellEcl()
+{
+    return well_ecl_;
+}
+
 const PhaseUsage& WellInterfaceGeneric::phaseUsage() const
 {
     assert(phase_usage_ != nullptr);
diff --git a/opm/simulators/wells/WellInterfaceGeneric.hpp b/opm/simulators/wells/WellInterfaceGeneric.hpp
index ca38a1352..c1daaab75 100644
--- a/opm/simulators/wells/WellInterfaceGeneric.hpp
+++ b/opm/simulators/wells/WellInterfaceGeneric.hpp
@@ -80,6 +80,7 @@ public:
     void adaptRatesForVFP(std::vector<double>& rates) const;
 
     const Well& wellEcl() const;
+    Well& wellEcl();
     const PhaseUsage& phaseUsage() const;
 
     /// Returns true if the well is currently in prediction mode (i.e. not history mode).