diff --git a/opm/simulators/wells/SingleWellState.cpp b/opm/simulators/wells/SingleWellState.cpp
index 23bbbcf0d..947cae4e2 100644
--- a/opm/simulators/wells/SingleWellState.cpp
+++ b/opm/simulators/wells/SingleWellState.cpp
@@ -55,6 +55,12 @@ SingleWellState::SingleWellState(const std::string& name_,
     }
 }
 
+SingleWellState SingleWellState::serializationTestObject(const ParallelWellInfo& pinfo)
+{
+    SingleWellState result("testing", pinfo, true, 1.0, {}, PhaseUsage{}, 2.0);
+
+    return result;
+}
 
 void SingleWellState::init_timestep(const SingleWellState& other) {
     if (this->producer != other.producer)
@@ -276,9 +282,27 @@ void SingleWellState::update_targets(const Well& ecl_well, const SummaryState& s
         this->update_injector_targets(ecl_well, st);
 }
 
+bool SingleWellState::operator==(const SingleWellState& rhs) const
+{
+    return this->name == rhs.name &&
+           this->status == rhs.status &&
+           this->producer == rhs.producer &&
+           this->bhp == rhs.bhp &&
+           this->thp == rhs.thp &&
+           this->temperature == rhs.temperature &&
+           this->dissolved_gas_rate == rhs.dissolved_gas_rate &&
+           this->dissolved_gas_rate_in_water == rhs.dissolved_gas_rate_in_water &&
+           this->vaporized_oil_rate == rhs.vaporized_oil_rate &&
+           this->vaporized_wat_rate == rhs.vaporized_wat_rate &&
+           this->well_potentials == rhs.well_potentials &&
+           this->productivity_index == rhs.productivity_index &&
+           this->surface_rates == rhs.surface_rates &&
+           this->reservoir_rates == rhs.reservoir_rates &&
+           this->trivial_target == rhs.trivial_target &&
+           this->segments == rhs.segments &&
+           this->events == rhs.events &&
+           this->injection_cmode == rhs.injection_cmode &&
+           this->production_cmode == rhs.production_cmode;
 }
 
-
-
-
-
+}
diff --git a/opm/simulators/wells/SingleWellState.hpp b/opm/simulators/wells/SingleWellState.hpp
index 69adfbb59..3790f7c8b 100644
--- a/opm/simulators/wells/SingleWellState.hpp
+++ b/opm/simulators/wells/SingleWellState.hpp
@@ -47,6 +47,34 @@ public:
                     const PhaseUsage& pu,
                     double temp);
 
+    static SingleWellState serializationTestObject(const ParallelWellInfo& pinfo);
+
+    template<class Serializer>
+    void serializeOp(Serializer& serializer)
+    {
+        serializer(name);
+        serializer(status);
+        serializer(producer);
+        serializer(bhp);
+        serializer(thp);
+        serializer(temperature);
+        serializer(dissolved_gas_rate);
+        serializer(dissolved_gas_rate_in_water);
+        serializer(vaporized_oil_rate);
+        serializer(vaporized_wat_rate);
+        serializer(well_potentials);
+        serializer(productivity_index);
+        serializer(surface_rates);
+        serializer(reservoir_rates);
+        serializer(trivial_target);
+        serializer(segments);
+        serializer(events);
+        serializer(injection_cmode);
+        serializer(production_cmode);
+    }
+
+    bool operator==(const SingleWellState&) const;
+
     std::string name;
     std::reference_wrapper<const ParallelWellInfo> parallel_info;
 
diff --git a/tests/test_RestartSerialization.cpp b/tests/test_RestartSerialization.cpp
index f89336dd2..16403bd30 100644
--- a/tests/test_RestartSerialization.cpp
+++ b/tests/test_RestartSerialization.cpp
@@ -37,6 +37,7 @@
 #include <opm/simulators/timestepping/TimeStepControl.hpp>
 #include <opm/simulators/utils/SerializationPackers.hpp>
 #include <opm/simulators/wells/SegmentState.hpp>
+#include <opm/simulators/wells/SingleWellState.hpp>
 
 #define BOOST_TEST_MODULE TestRestartSerialization
 #define BOOST_TEST_NO_MAIN
@@ -97,6 +98,21 @@ namespace Opm {
 }
 TEST_FOR_TYPE_NAMED(BVec, BlockVectorWrapper)
 
+BOOST_AUTO_TEST_CASE(SingleWellState)
+{
+    Opm::ParallelWellInfo dummy;
+    auto data_out = Opm::SingleWellState::serializationTestObject(dummy);
+    Opm::Serialization::MemPacker packer;
+    Opm::Serializer ser(packer);
+    ser.pack(data_out);
+    const size_t pos1 = ser.position();
+    decltype(data_out) data_in("", dummy, false, 0.0, {}, Opm::PhaseUsage{}, 0.0);
+    ser.unpack(data_in);
+    const size_t pos2 = ser.position();
+    BOOST_CHECK_MESSAGE(pos1 == pos2, "Packed size differ from unpack size for SingleWellState");
+    BOOST_CHECK_MESSAGE(data_out == data_in, "Deserialized SingleWellState differ");
+}
+
 BOOST_AUTO_TEST_CASE(EclGenericVanguard)
 {
     auto in_params = Opm::EclGenericVanguard::serializationTestParams();