diff --git a/ApplicationCode/ProjectDataModel/RimObservedData.cpp b/ApplicationCode/ProjectDataModel/RimObservedData.cpp
index 49bec159f5..6433e0ef0b 100644
--- a/ApplicationCode/ProjectDataModel/RimObservedData.cpp
+++ b/ApplicationCode/ProjectDataModel/RimObservedData.cpp
@@ -17,20 +17,56 @@
 /////////////////////////////////////////////////////////////////////////////////
 
 #include "RimObservedData.h"
+#include "RimTools.h"
+
+#include <QFileInfo>
 
 CAF_PDM_SOURCE_INIT(RimObservedData, "ObservedData");
 
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
 RimObservedData::RimObservedData()
 {
-    CAF_PDM_InitObject("Observed data file", ":/Default.png", "", "");
+    m_isObservedData = true;
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+QString RimObservedData::summaryHeaderFilename() const
+{
+    return m_summaryHeaderFilename();
+}
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RimObservedData::setSummaryHeaderFilename(const QString& fileName)
+{
+    m_summaryHeaderFilename = fileName;
+
+    this->updateAutoShortName();
+    this->updateTreeItemName();
 }
 
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
-RimObservedData::~RimObservedData()
+QString RimObservedData::caseName()
 {
+    QFileInfo caseFileName(this->summaryHeaderFilename());
+
+    return caseFileName.completeBaseName();
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RimObservedData::updateFilePathsFromProjectPath(const QString & newProjectPath, const QString & oldProjectPath)
+{
+    m_summaryHeaderFilename = RimTools::relocateFile(m_summaryHeaderFilename(), newProjectPath, oldProjectPath, nullptr, nullptr);
 }
\ No newline at end of file
diff --git a/ApplicationCode/ProjectDataModel/RimObservedData.h b/ApplicationCode/ProjectDataModel/RimObservedData.h
index 9d5acd6235..35bca7d16a 100644
--- a/ApplicationCode/ProjectDataModel/RimObservedData.h
+++ b/ApplicationCode/ProjectDataModel/RimObservedData.h
@@ -16,18 +16,26 @@
 //
 /////////////////////////////////////////////////////////////////////////////////
 
+#pragma once
+#include "RimSummaryCase.h"
+
+#include "cafPdmField.h"
 #include "cafPdmObject.h"
+#include "cvfObject.h"
+
+class RigObservedData;
 
 //==================================================================================================
 //
 //==================================================================================================
-class RimObservedData : public caf::PdmObject
+class RimObservedData : public RimSummaryCase
 {
     CAF_PDM_HEADER_INIT;
 public:
     RimObservedData();
-    ~RimObservedData();
-
-private:
 
+    void                   setSummaryHeaderFilename(const QString& fileName);
+    virtual QString        summaryHeaderFilename() const  override;
+    virtual QString        caseName() override;
+    virtual void           updateFilePathsFromProjectPath(const QString& newProjectPath, const QString& oldProjectPath) override;
 };
diff --git a/ApplicationCode/ProjectDataModel/Summary/RimSummaryCase.cpp b/ApplicationCode/ProjectDataModel/Summary/RimSummaryCase.cpp
index aec8824827..bcbeac920e 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimSummaryCase.cpp
+++ b/ApplicationCode/ProjectDataModel/Summary/RimSummaryCase.cpp
@@ -41,6 +41,8 @@ RimSummaryCase::RimSummaryCase()
 
     CAF_PDM_InitFieldNoDefault(&m_summaryHeaderFilename, "SummaryHeaderFilename", "Summary Header File", "", "", "");
     m_summaryHeaderFilename.uiCapability()->setUiReadOnly(true);
+
+    CAF_PDM_InitField(&m_isObservedData, "IsObservedData", false, "", "", "", "");
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -78,6 +80,14 @@ RigSummaryCaseData* RimSummaryCase::caseData()
     return m_summaryCaseData.p();
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+bool RimSummaryCase::isObservedData()
+{
+    return m_isObservedData();
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationCode/ProjectDataModel/Summary/RimSummaryCase.h b/ApplicationCode/ProjectDataModel/Summary/RimSummaryCase.h
index fa25ac685e..b7f530ddd4 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimSummaryCase.h
+++ b/ApplicationCode/ProjectDataModel/Summary/RimSummaryCase.h
@@ -51,6 +51,8 @@ public:
 
     virtual void        updateFilePathsFromProjectPath(const QString& newProjectPath, const QString& oldProjectPath) = 0;
 
+    bool                isObservedData();
+
 protected:
     void                updateTreeItemName();
 
@@ -59,6 +61,7 @@ protected:
     caf::PdmField<QString>  m_summaryHeaderFilename;
 
     cvf::ref<RigSummaryCaseData> m_summaryCaseData;
+    caf::PdmField<bool>     m_isObservedData;
 
 private:
     // Overridden PDM methods