diff --git a/ApplicationCode/ProjectDataModel/RimFracture.cpp b/ApplicationCode/ProjectDataModel/RimFracture.cpp
index bdf83d78ad..d45ff58de4 100644
--- a/ApplicationCode/ProjectDataModel/RimFracture.cpp
+++ b/ApplicationCode/ProjectDataModel/RimFracture.cpp
@@ -24,6 +24,8 @@
 #include "RimFractureDefinition.h"
 #include "RimView.h"
 
+#define _USE_MATH_DEFINES
+#include <math.h> //TODO: Is this OK? What about cmath?
 #include "cafPdmUiDoubleSliderEditor.h"
 
 #include "cvfMatrix4.h"
@@ -127,6 +129,38 @@ void RimFracture::computeGeometry()
     m_recomputeGeometry = false;
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RimFracture::computeTransmissibility()
+{
+    std::vector<RigFractureData> fracDataVec;
+
+    // Finne ijk-er for alle celler... 
+    //For now, only consider center cell: 
+    std::vector<std::pair<size_t, size_t>> fracCells = getFracturedCells();
+
+    for (auto fracCell : fracCells)
+    {
+//        RigFractureData* fracData = new RigFractureData;
+
+        //TODO: get correct input values...
+        double area = 2.468;
+        double fractureLength = 1.2345;
+        double flowLength = 2.718281828;
+        double c = 0.008527; // TODO: Get value with units, is defined in RimReservoirCellResultsStorage
+        
+        double transmissibility = 8 * c * attachedFractureDefinition()->permeability * area /
+            ( flowLength + (attachedFractureDefinition()->skinFactor * fractureLength)/M_PI );
+
+//         fracData.cellindex = 0;
+//         fracDataVec.push_back(fracData);
+
+    }
+
+    m_rigFracture->setFractureData(fracDataVec);
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
@@ -168,6 +202,18 @@ void RimFracture::defineEditorAttribute(const caf::PdmFieldHandle* field, QStrin
     }
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+std::vector<std::pair<size_t, size_t>> RimFracture::getFracturedCells()
+{
+    //TODO: Remove this? For now returning empty vector since function 
+    // is not yet implemented for well path fractures
+
+    std::vector<std::pair<size_t, size_t>> cells;
+    return cells;
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationCode/ProjectDataModel/RimFracture.h b/ApplicationCode/ProjectDataModel/RimFracture.h
index 07ca437b47..e23f30d8b7 100644
--- a/ApplicationCode/ProjectDataModel/RimFracture.h
+++ b/ApplicationCode/ProjectDataModel/RimFracture.h
@@ -47,8 +47,12 @@ public:
     virtual cvf::Vec3d              centerPointForFracture() = 0;
     virtual RimFractureDefinition*  attachedFractureDefinition() = 0;
 
+    virtual std::vector<std::pair<size_t, size_t>> getFracturedCells();
+
     bool                            hasValidGeometry() const;
     void                            computeGeometry();
+    
+    void                            computeTransmissibility();
 
     void                            setRecomputeGeometryFlag();
 
diff --git a/ApplicationCode/ProjectDataModel/RimSimWellFracture.cpp b/ApplicationCode/ProjectDataModel/RimSimWellFracture.cpp
index 0dc345ca3a..bf9932b7b5 100644
--- a/ApplicationCode/ProjectDataModel/RimSimWellFracture.cpp
+++ b/ApplicationCode/ProjectDataModel/RimSimWellFracture.cpp
@@ -41,6 +41,7 @@
 
 #include <QToolBox>
 #include <QList>
+#include "RigGridBase.h"
 
 
 
@@ -159,6 +160,33 @@ void RimSimWellFracture::fieldChangedByUi(const caf::PdmFieldHandle* changedFiel
     if (proj) proj->createDisplayModelAndRedrawAllViews();
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+std::vector<std::pair<size_t, size_t>> RimSimWellFracture::getFracturedCells()
+{
+    std::vector<std::pair<size_t, size_t>> cells;
+
+    size_t gridindex = 0; //TODO! For now assuming only one grid
+
+
+    caf::PdmObjectHandle* objHandle = dynamic_cast<caf::PdmObjectHandle*>(this);
+    if (!objHandle) return cells;
+
+    RimEclipseView* mainView = nullptr;
+    objHandle->firstAncestorOrThisOfType(mainView);
+    if (!mainView) return cells;
+
+    const RigMainGrid* mainGrid = mainView->mainGrid(); 
+    if (!mainGrid) return cells;
+
+    size_t gridCellIndex = mainGrid->cellIndexFromIJK(m_i - 1, m_j - 1, m_k - 1); // cellIndexFromIJK uses 0-based indexing 
+
+    cells.push_back(std::make_pair(gridCellIndex, gridindex));
+
+    return cells;
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationCode/ProjectDataModel/RimSimWellFracture.h b/ApplicationCode/ProjectDataModel/RimSimWellFracture.h
index 427e7bd776..454281af41 100644
--- a/ApplicationCode/ProjectDataModel/RimSimWellFracture.h
+++ b/ApplicationCode/ProjectDataModel/RimSimWellFracture.h
@@ -60,6 +60,9 @@ public:
 
     virtual void                                fieldChangedByUi(const caf::PdmFieldHandle* changedField, const QVariant& oldValue, const QVariant& newValue) override;
 
+
+    virtual std::vector<std::pair<size_t, size_t>>  getFracturedCells() override;
+
 protected:
     virtual void                                defineUiOrdering(QString uiConfigName, caf::PdmUiOrdering& uiOrdering);
     cvf::Vec3d                                  fracturePositionForUi() const;
diff --git a/ApplicationCode/ReservoirDataModel/RigFracture.cpp b/ApplicationCode/ReservoirDataModel/RigFracture.cpp
index c700c872ea..064fa2cceb 100644
--- a/ApplicationCode/ReservoirDataModel/RigFracture.cpp
+++ b/ApplicationCode/ReservoirDataModel/RigFracture.cpp
@@ -18,6 +18,14 @@
 
 #include "RigFracture.h"
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+RigFractureData::RigFractureData()
+{
+
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
@@ -50,4 +58,19 @@ const std::vector<cvf::Vec3f>& RigFracture::nodeCoords() const
     return m_nodeCoords;
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RigFracture::setFractureData(const std::vector<RigFractureData>& data)
+{
+    m_fractureData = data;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+const std::vector<RigFractureData>& RigFracture::fractureData() const
+{
+    return m_fractureData;
+}
 
diff --git a/ApplicationCode/ReservoirDataModel/RigFracture.h b/ApplicationCode/ReservoirDataModel/RigFracture.h
index 8e83f496b7..7adcc12dc2 100644
--- a/ApplicationCode/ReservoirDataModel/RigFracture.h
+++ b/ApplicationCode/ReservoirDataModel/RigFracture.h
@@ -26,6 +26,17 @@
 
 #include <vector>
 
+class RigFractureData
+{
+public:
+    RigFractureData();
+
+    size_t gridIndex;
+    size_t cellindex;
+    double transmissibility;
+
+};
+
 //==================================================================================================
 /// 
 //==================================================================================================
@@ -39,8 +50,12 @@ public:
     const std::vector<cvf::uint>&  polygonIndices() const;
     const std::vector<cvf::Vec3f>& nodeCoords() const;
 
+    void setFractureData(const std::vector<RigFractureData>& data);
+    const std::vector<RigFractureData>& fractureData() const; //Access frac data
+
 private:
     std::vector<cvf::uint>  m_polygonIndices;
     std::vector<cvf::Vec3f> m_nodeCoords;
+    std::vector<RigFractureData> m_fractureData;
 };