diff --git a/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationCollection.cpp b/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationCollection.cpp
index bdfde6f171..b7952aae20 100644
--- a/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationCollection.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationCollection.cpp
@@ -33,6 +33,9 @@
 
 #include "Riu3DMainWindowTools.h"
 
+#include "cafPdmFieldScriptingCapability.h"
+#include "cafPdmObjectScriptingCapability.h"
+
 CAF_PDM_SOURCE_INIT( RimPerforationCollection, "PerforationCollection" );
 
 //--------------------------------------------------------------------------------------------------
@@ -40,12 +43,12 @@ CAF_PDM_SOURCE_INIT( RimPerforationCollection, "PerforationCollection" );
 //--------------------------------------------------------------------------------------------------
 RimPerforationCollection::RimPerforationCollection()
 {
-    CAF_PDM_InitObject( "Perforations", ":/PerforationIntervals16x16.png" );
+    CAF_PDM_InitScriptableObject( "Perforations", ":/PerforationIntervals16x16.png" );
 
     nameField()->uiCapability()->setUiHidden( true );
     setName( "Perforations" );
 
-    CAF_PDM_InitFieldNoDefault( &m_perforations, "Perforations", "Perforations" );
+    CAF_PDM_InitScriptableFieldNoDefault( &m_perforations, "Perforations", "Perforations" );
     m_perforations.uiCapability()->setUiTreeHidden( true );
 
     CAF_PDM_InitFieldNoDefault( &m_nonDarcyParameters, "NonDarcyParameters", "Non-Darcy Parameters" );
diff --git a/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationInterval.cpp b/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationInterval.cpp
index b3290f341a..ebc3efdaa3 100644
--- a/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationInterval.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Completions/RimPerforationInterval.cpp
@@ -32,6 +32,7 @@
 #include "RimWellPath.h"
 #include "RimWellPathValve.h"
 
+#include "cafPdmFieldScriptingCapability.h"
 #include "cafPdmObjectScriptingCapability.h"
 #include "cafPdmUiDateEditor.h"
 #include "cafPdmUiDoubleSliderEditor.h"
@@ -45,10 +46,10 @@ RimPerforationInterval::RimPerforationInterval()
 {
     CAF_PDM_InitScriptableObject( "Perforation", ":/PerforationInterval16x16.png" );
 
-    CAF_PDM_InitField( &m_startMD, "StartMeasuredDepth", 0.0, "Start MD" );
-    CAF_PDM_InitField( &m_endMD, "EndMeasuredDepth", 0.0, "End MD" );
-    CAF_PDM_InitField( &m_diameter, "Diameter", 0.216, "Diameter" );
-    CAF_PDM_InitField( &m_skinFactor, "SkinFactor", 0.0, "Skin Factor" );
+    CAF_PDM_InitScriptableField( &m_startMD, "StartMeasuredDepth", 0.0, "Start MD" );
+    CAF_PDM_InitScriptableField( &m_endMD, "EndMeasuredDepth", 0.0, "End MD" );
+    CAF_PDM_InitScriptableField( &m_diameter, "Diameter", 0.216, "Diameter" );
+    CAF_PDM_InitScriptableField( &m_skinFactor, "SkinFactor", 0.0, "Skin Factor" );
 
     CAF_PDM_InitField( &m_startOfHistory_OBSOLETE, "StartOfHistory", true, "All Timesteps" );
     m_startOfHistory_OBSOLETE.xmlCapability()->setIOWritable( false );
diff --git a/ApplicationLibCode/ProjectDataModel/Completions/RimWellPathCompletions.cpp b/ApplicationLibCode/ProjectDataModel/Completions/RimWellPathCompletions.cpp
index 4ca2e41be4..27b6b5e0b4 100644
--- a/ApplicationLibCode/ProjectDataModel/Completions/RimWellPathCompletions.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Completions/RimWellPathCompletions.cpp
@@ -36,6 +36,8 @@
 #include "cvfAssert.h"
 
 #include "cafPdmDoubleStringValidator.h"
+#include "cafPdmFieldScriptingCapability.h"
+#include "cafPdmObjectScriptingCapability.h"
 #include "cafPdmUiDoubleValueEditor.h"
 #include "cafPdmUiLineEditor.h"
 #include "cafPdmUiTreeOrdering.h"
@@ -49,9 +51,9 @@ CAF_PDM_SOURCE_INIT( RimWellPathCompletions, "WellPathCompletions" );
 //--------------------------------------------------------------------------------------------------
 RimWellPathCompletions::RimWellPathCompletions()
 {
-    CAF_PDM_InitObject( "Completions", ":/CompletionsSymbol16x16.png" );
+    CAF_PDM_InitScriptableObject( "Completions", ":/CompletionsSymbol16x16.png" );
 
-    CAF_PDM_InitFieldNoDefault( &m_perforationCollection, "Perforations", "Perforations" );
+    CAF_PDM_InitScriptableFieldNoDefault( &m_perforationCollection, "Perforations", "Perforations" );
     m_perforationCollection = new RimPerforationCollection;
     m_perforationCollection.uiCapability()->setUiTreeHidden( true );
 
diff --git a/ApplicationLibCode/ProjectDataModel/WellPath/RimWellPath.cpp b/ApplicationLibCode/ProjectDataModel/WellPath/RimWellPath.cpp
index de9e8094ca..bc026fb3be 100644
--- a/ApplicationLibCode/ProjectDataModel/WellPath/RimWellPath.cpp
+++ b/ApplicationLibCode/ProjectDataModel/WellPath/RimWellPath.cpp
@@ -125,7 +125,7 @@ RimWellPath::RimWellPath()
     CAF_PDM_InitField( &m_wellPathRadiusScaleFactor, "WellPathRadiusScale", 1.0, "Well Path Radius Scale" );
     CAF_PDM_InitField( &m_wellPathColor, "WellPathColor", cvf::Color3f( 0.999f, 0.333f, 0.999f ), "Well Path Color" );
 
-    CAF_PDM_InitFieldNoDefault( &m_completions, "Completions", "Completions" );
+    CAF_PDM_InitScriptableFieldNoDefault( &m_completions, "Completions", "Completions" );
     m_completions = new RimWellPathCompletions;
     m_completions.uiCapability()->setUiTreeHidden( true );
 
diff --git a/GrpcInterface/Python/rips/PythonExamples/modeled_well_path.py b/GrpcInterface/Python/rips/PythonExamples/modeled_well_path.py
index 134a34f81c..ba29d56c30 100644
--- a/GrpcInterface/Python/rips/PythonExamples/modeled_well_path.py
+++ b/GrpcInterface/Python/rips/PythonExamples/modeled_well_path.py
@@ -32,3 +32,16 @@ coord = [1054.28, 250, -50]
 target = geometry.append_well_target(coord)
 
 well_path.append_perforation_interval(3300, 3350, 0.2, 0.76)
+
+
+# Update skin factor of the perforation
+perforation_coll = well_path.completions().perforations()
+perforation = perforation_coll.perforations()[0]
+new_skin_factor = 0.9
+print(
+    "Changing perforation skin factor from {} to {}.".format(
+        perforation.skin_factor, new_skin_factor
+    )
+)
+perforation.skin_factor = new_skin_factor
+perforation.update()