diff --git a/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryTableCollection.cpp b/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryTableCollection.cpp
index af063c553a..3c5c725ce7 100644
--- a/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryTableCollection.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryTableCollection.cpp
@@ -33,8 +33,8 @@ RimSummaryTableCollection::RimSummaryTableCollection()
 {
     CAF_PDM_InitObject( "Summary Tables", ":/CorrelationMatrixPlot16x16.png" );
 
-    CAF_PDM_InitFieldNoDefault( &m_summaryTables, "SummaryTables", "Summary Tables" );
-    caf::PdmFieldReorderCapability::addToField( &m_summaryTables );
+    CAF_PDM_InitFieldNoDefault( &m_items, "SummaryTables", "Summary Tables" );
+    caf::PdmFieldReorderCapability::addToField( &m_items );
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -49,7 +49,7 @@ RimSummaryTableCollection::~RimSummaryTableCollection()
 //--------------------------------------------------------------------------------------------------
 void RimSummaryTableCollection::deleteAllPlots()
 {
-    m_summaryTables.deleteChildren();
+    deleteAllItems();
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -57,7 +57,7 @@ void RimSummaryTableCollection::deleteAllPlots()
 //--------------------------------------------------------------------------------------------------
 void RimSummaryTableCollection::loadDataAndUpdateAllPlots()
 {
-    for ( RimSummaryTable* table : m_summaryTables )
+    for ( RimSummaryTable* table : items() )
     {
         if ( !table ) continue;
 
@@ -70,7 +70,7 @@ void RimSummaryTableCollection::loadDataAndUpdateAllPlots()
 //--------------------------------------------------------------------------------------------------
 size_t RimSummaryTableCollection::plotCount() const
 {
-    return tableCount();
+    return count();
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -78,28 +78,15 @@ size_t RimSummaryTableCollection::plotCount() const
 //--------------------------------------------------------------------------------------------------
 std::vector<RimSummaryTable*> RimSummaryTableCollection::tables() const
 {
-    return m_summaryTables.childrenByType();
+    return items();
 }
 
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
-size_t RimSummaryTableCollection::tableCount() const
-{
-    return m_summaryTables.size();
-}
-
 void RimSummaryTableCollection::addTable( RimSummaryTable* table )
 {
-    insertTable( table, tableCount() );
-}
-
-//--------------------------------------------------------------------------------------------------
-///
-//--------------------------------------------------------------------------------------------------
-void RimSummaryTableCollection::insertTable( RimSummaryTable* table, size_t index )
-{
-    m_summaryTables.insert( index, table );
+    addItem( table );
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -107,8 +94,7 @@ void RimSummaryTableCollection::insertTable( RimSummaryTable* table, size_t inde
 //--------------------------------------------------------------------------------------------------
 void RimSummaryTableCollection::removeTable( RimSummaryTable* table )
 {
-    m_summaryTables.removeChild( table );
-    updateAllRequiredEditors();
+    deleteItem( table );
 }
 
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryTableCollection.h b/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryTableCollection.h
index eaaca4f85d..0f1c77837d 100644
--- a/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryTableCollection.h
+++ b/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryTableCollection.h
@@ -23,16 +23,16 @@
 #include "RimAbstractPlotCollection.h"
 #include "RimSummaryTable.h"
 
-#include "cafPdmChildArrayField.h"
-#include "cafPdmObject.h"
+#include "cafPdmObjectCollection.h"
 
 class RimSummaryCase;
 
 //==================================================================================================
 ///
+/// Collection for managing summary tables
 ///
 //==================================================================================================
-class RimSummaryTableCollection : public caf::PdmObject, public RimPlotCollection
+class RimSummaryTableCollection : public caf::PdmObjectCollection<RimSummaryTable>, public RimPlotCollection
 {
     CAF_PDM_HEADER_INIT;
 
@@ -40,21 +40,19 @@ public:
     RimSummaryTableCollection();
     ~RimSummaryTableCollection() override;
 
+    // RimPlotCollection interface
     void   deleteAllPlots() override;
     void   loadDataAndUpdateAllPlots() override;
     size_t plotCount() const override;
 
+    // Convenience accessors (delegate to base class)
     std::vector<RimSummaryTable*> tables() const;
-    size_t                        tableCount() const;
     void                          addTable( RimSummaryTable* table );
-    void                          insertTable( RimSummaryTable* table, size_t index );
     void                          removeTable( RimSummaryTable* table );
 
+    // Domain-specific creation methods
     RimSummaryTable* createDefaultSummaryTable();
     RimSummaryTable* createSummaryTableFromCategoryAndVectorName( RimSummaryCase*                                  summaryCase,
                                                                   RifEclipseSummaryAddressDefines::SummaryCategory category,
                                                                   const QString&                                   vectorName );
-
-private:
-    caf::PdmChildArrayField<RimSummaryTable*> m_summaryTables;
 };