diff --git a/ApplicationCode/ReservoirDataModel/CMakeLists_files.cmake b/ApplicationCode/ReservoirDataModel/CMakeLists_files.cmake
index 4a23c7302f..25f9be656d 100644
--- a/ApplicationCode/ReservoirDataModel/CMakeLists_files.cmake
+++ b/ApplicationCode/ReservoirDataModel/CMakeLists_files.cmake
@@ -30,6 +30,8 @@ ${CEE_CURRENT_LIST_DIR}RigNNCData.h
 ${CEE_CURRENT_LIST_DIR}cvfGeometryTools.h
 ${CEE_CURRENT_LIST_DIR}cvfGeometryTools.inl
 ${CEE_CURRENT_LIST_DIR}RigPipeInCellEvaluator.h
+${CEE_CURRENT_LIST_DIR}RigResultAccessor2d.h
+${CEE_CURRENT_LIST_DIR}RigTernaryResultAccessor2d.h
 )
 
 set (SOURCE_GROUP_SOURCE_FILES
@@ -55,6 +57,7 @@ ${CEE_CURRENT_LIST_DIR}RigWellPath.cpp
 ${CEE_CURRENT_LIST_DIR}RigFault.cpp
 ${CEE_CURRENT_LIST_DIR}RigNNCData.cpp
 ${CEE_CURRENT_LIST_DIR}cvfGeometryTools.cpp
+${CEE_CURRENT_LIST_DIR}RigTernaryResultAccessor2d.cpp
 )
 
 list(APPEND CODE_HEADER_FILES
diff --git a/ApplicationCode/ReservoirDataModel/RigResultAccessor2d.h b/ApplicationCode/ReservoirDataModel/RigResultAccessor2d.h
new file mode 100644
index 0000000000..87e0e2b3f5
--- /dev/null
+++ b/ApplicationCode/ReservoirDataModel/RigResultAccessor2d.h
@@ -0,0 +1,39 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) Statoil ASA, Ceetron Solutions AS
+// 
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+// 
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+// 
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#pragma once
+
+#include "cvfBase.h"
+#include "cvfObject.h"
+#include "cvfVector2.h"
+#include "cvfStructGrid.h"
+
+//==================================================================================================
+/// 
+//==================================================================================================
+class RigResultAccessor2d : public cvf::Object
+{
+public:
+    virtual cvf::Vec2d cellScalar(size_t gridLocalCellIndex) const = 0;
+    virtual cvf::Vec2d cellFaceScalar(size_t gridLocalCellIndex, cvf::StructGridInterface::FaceType faceId) const = 0;
+
+    virtual QString resultName() const = 0;
+    
+};
diff --git a/ApplicationCode/ReservoirDataModel/RigTernaryResultAccessor2d.cpp b/ApplicationCode/ReservoirDataModel/RigTernaryResultAccessor2d.cpp
new file mode 100644
index 0000000000..ef3b02d8ad
--- /dev/null
+++ b/ApplicationCode/ReservoirDataModel/RigTernaryResultAccessor2d.cpp
@@ -0,0 +1,86 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) Statoil ASA, Ceetron Solutions AS
+// 
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+// 
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+// 
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "RigTernaryResultAccessor2d.h"
+
+#include "RigResultAccessor.h"
+
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+RigTernaryResultAccessor::RigTernaryResultAccessor()
+{
+
+}
+
+//--------------------------------------------------------------------------------------------------
+/// Requires at least two data objects present, asserts if more than one data accessor is NULL
+//--------------------------------------------------------------------------------------------------
+void RigTernaryResultAccessor::setTernaryResultAccessors(RigResultAccessor* soil, RigResultAccessor* sgas, RigResultAccessor* swat)
+{
+	m_soilAccessor = soil;
+	m_sgasAccessor = sgas;
+	m_swatAccessor = swat;
+
+	int nullPointerCount = 0;
+	if (!soil) nullPointerCount++;
+	if (!sgas) nullPointerCount++;
+	if (!swat) nullPointerCount++;
+
+	CVF_ASSERT(nullPointerCount <= 1);
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+cvf::Vec2d RigTernaryResultAccessor::cellScalar(size_t gridLocalCellIndex)
+{
+	double soil = 0.0;
+	double swat = 0.0;
+
+	if (m_soilAccessor.notNull())
+	{ 
+		soil = m_soilAccessor->cellScalar(gridLocalCellIndex);
+
+		if (m_swatAccessor.notNull())
+		{
+			swat = m_swatAccessor->cellScalar(gridLocalCellIndex);
+		}
+		else
+		{
+			swat = 1.0 - soil - m_sgasAccessor->cellScalar(gridLocalCellIndex);
+		}
+	}
+	else
+	{
+		swat = m_swatAccessor->cellScalar(gridLocalCellIndex);
+
+		soil = 1.0 - swat - m_sgasAccessor->cellScalar(gridLocalCellIndex);
+	}
+
+	return cvf::Vec2d(soil, swat);
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+cvf::Vec2d RigTernaryResultAccessor::cellFaceScalar(size_t gridLocalCellIndex, cvf::StructGridInterface::FaceType faceId)
+{
+	return cellScalar(gridLocalCellIndex);
+}
diff --git a/ApplicationCode/ReservoirDataModel/RigTernaryResultAccessor2d.h b/ApplicationCode/ReservoirDataModel/RigTernaryResultAccessor2d.h
new file mode 100644
index 0000000000..d1e85bcade
--- /dev/null
+++ b/ApplicationCode/ReservoirDataModel/RigTernaryResultAccessor2d.h
@@ -0,0 +1,46 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) Statoil ASA, Ceetron Solutions AS
+// 
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+// 
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+// 
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include "RigResultAccessor2d.h"
+
+class RigResultAccessor;
+
+//==================================================================================================
+/// 
+//==================================================================================================
+class RigTernaryResultAccessor : public RigResultAccessor2d
+{
+public:
+	RigTernaryResultAccessor();
+
+	/// Requires two of the arguments to be present
+	void setTernaryResultAccessors(RigResultAccessor* soil, RigResultAccessor* sgas, RigResultAccessor* swat);
+
+	/// Returns [SOil, SWat] regardless of which one of the three is missing. if Soil or SWat is missing, it is calculated 
+	/// based on the two others
+	virtual cvf::Vec2d cellScalar(size_t gridLocalCellIndex);
+	virtual cvf::Vec2d cellFaceScalar(size_t gridLocalCellIndex, cvf::StructGridInterface::FaceType faceId);;
+
+private:
+	cvf::ref<RigResultAccessor> m_soilAccessor;
+	cvf::ref<RigResultAccessor> m_sgasAccessor;
+	cvf::ref<RigResultAccessor> m_swatAccessor;
+};
+