#1557 Adding equations for peacemans formula, well bore transmissibility for a given direction, and total connection factor based on X, Y and Z trans.

ApplicationCode/ReservoirDataModel/RigTransmissibilityEquations.h

@@ -0,0 +1,52 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2017-     Statoil ASA
+// 
+//  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
+
+
+class RigTransmissibilityEquations
+{
+public:
+
+    // Calculations are assuming an orthogonal coordinate system
+
+    //If using wellBoreTransmissibilityComponent to calculate Tx (transmissibility in x direction), 
+    // perforationVectorComponent is the x component (in the cell local coordinate system) of the perforation vector
+    // permeability and cell size for Z and Y are to be specified as "normal directions" 1 and 2
+    // but normal directions 1 and 2 are interchangeable (so Z=1, Y=2 and Z=2, Y=1 gives same result)
+
+    static double               peacemanRadius(double permeabilityNormalDirection1,
+                                               double permeabilityNormalDirection2,
+                                               double cellSizeNormalDirection1,
+                                               double cellSizeNormalDirection2);
+
+    static double               wellBoreTransmissibilityComponent(double cellPerforationVectorComponent, 
+                                                                  double permeabilityNormalDirection1,
+                                                                  double permeabilityNormalDirection2,
+                                                                  double cellSizeNormalDirection1,
+                                                                  double cellSizeNormalDirection2,
+                                                                  double wellRadius, 
+                                                                  double skinFactor, 
+                                                                  double cDarcyForRelevantUnit);
+
+    static double               totalConnectionFactor(double transX,
+                                                      double transY,
+                                                      double transZ);
+
+};
+