diff --git a/Simulator.f90 b/Simulator.f90
index 82b94f8..1a81976 100644
--- a/Simulator.f90
+++ b/Simulator.f90
@@ -33,7 +33,7 @@ module Simulator
     use CCasingLinerChoke
     use CPathGeneration
     use CWellSurveyData
-    ! use CMudProperties
+    use MudPropertiesModule
 
     use :: json_module, rk => json_rk
     
@@ -217,8 +217,6 @@ contains
         ! 1. create new node
         call json%create_object(p,'Configuration')
         
-        ! call AccumulatorToJsonToJson(p) 
-
         ! 2. add member of data type to new node
         call StringConfigurationToJson(p) 
         call FormationToJson(p) 
@@ -233,7 +231,7 @@ contains
         call CasingLinerChokeToJson(p) 
         call PathGenerationToJson(p) 
         ! call WellSurveyDataToJson(p) 
-        ! call MudPropertiesToJson(p) 
+        call MudPropertiesToJson(p) 
 
         ! 3. add new node to parent
         call json%add(parent,p)
@@ -250,7 +248,6 @@ contains
         call json%create_object(p,'Configuration')
         
         ! 2. add member of data type to new node
-        ! call StringConfigurationToJson(p) 
         ! call FormationToJson(p) 
         ! call json%add(p,"",data%Configuration%Formation%Formations(i)%Abrasiveness)
 
diff --git a/data.json b/data.json
new file mode 100644
index 0000000..fb551a6
--- /dev/null
+++ b/data.json
@@ -0,0 +1,252 @@
+{
+  "Configuration": {
+    "StringConfiguration": {
+      "StringConfigurationItems": [
+        {"BitType":0,
+        "BitSize":0,
+        "BitCodeHundreds":0,
+        "BitCodeTens":0,
+        "BitCodeOnes":0,
+        "BitNozzleSize":0,
+        "BitLength":0,
+        "BitWeightPerLength":0,
+        "BitNozzleNo":0,
+        "FloatValve":0
+        }
+        ,
+        {"BitType":0,
+        "BitSize":0,
+        "BitCodeHundreds":0,
+        "BitCodeTens":0,
+        "BitCodeOnes":0,
+        "BitNozzleSize":0,
+        "BitLength":0,
+        "BitWeightPerLength":0,
+        "BitNozzleNo":0,
+        "FloatValve":0
+        }
+      ],
+      "BitDefenition": {
+        "BitCodeHundreds": 0,
+        "BitCodeOnes": 0,
+        "BitCodeTens": 0,
+        "BitLength": 0.0E+0,
+        "BitNozzleNo": 0,
+        "BitNozzleSize": 0.0E+0,
+        "BitSize": 0.0E+0,
+        "BitType": 0,
+        "BitWeightPerLength": 0.0E+0,
+        "FloatValve": false
+      }
+    },
+    "Fromations": [
+      {"Top":0,
+      "Thickness":0,
+      "Drillablity":0,
+      "Abrasiveness":0,
+      "ThresholdWeight":0,
+      "PorePressureGradient":0
+      },
+      {"Top":0,
+      "Thickness":0,
+      "Drillablity":0,
+      "Abrasiveness":0,
+      "ThresholdWeight":0,
+      "PorePressureGradient":0
+      }            
+    ],
+    "Reservoir": {
+      "AutoMigrationRate": 0.0E+0,
+      "FluidGradient": 0.0E+0,
+      "FluidType": 0,
+      "FluidViscosity": 0.0E+0,
+      "FormationNo": 0,
+      "FormationPermeability": 0.0E+0,
+      "FormationTop": 0.0E+0,
+      "GeothermalGradient": 0.0E+0,
+      "InactiveInflux": false,
+      "IsAutoMigrationRateSelected": false,
+      "MakeKickSinglePacket": false,
+      "PressureGradient": 0.0E+0
+    },
+    "Shoe": {
+      "Breakdown": 0.0E+0,
+      "FormationNo": 0,
+      "FracturePropagation": 0.0E+0,
+      "InactiveFracture": false,
+      "LeakOff": 0.0E+0,
+      "ShoeDepth": 0.0E+0
+    },
+    "Accumulator": {
+      "AccumulatorMinimumOperatingPressure": 0.0E+0,
+      "AccumulatorSystemSize": 0.0E+0,
+      "AirPlungerPumpOutput": 0.0E+0,
+      "ElectricPumpOutput": 0.0E+0,
+      "NumberOfBottels": 0,
+      "OilTankVolume": 0.0E+0,
+      "PrechargePressure": 0.0E+0,
+      "StartPressure": 0.0E+0,
+      "StartPressure2": 0.0E+0,
+      "StopPressure": 0.0E+0,
+      "StopPressure2": 0.0E+0
+    },
+    "BopStack": {
+      "AboveAnnularHeight": 0.1E+2,
+      "AnnularPreventerClose": 0.0E+0,
+      "AnnularPreventerHeight": 0.10199999999999999E+2,
+      "AnnularPreventerOpen": 0.0E+0,
+      "AnnularStringDrag": 0.0E+0,
+      "BlindRamClose": 0.0E+0,
+      "BlindRamHeight": 0.16239999999999998E+2,
+      "BlindRamOpen": 0.0E+0,
+      "ChokeClose": 0.0E+0,
+      "ChokeLineId": 0.0E+0,
+      "ChokeLineLength": 0.0E+0,
+      "ChokeOpen": 0.0E+0,
+      "GroundLevel": 0.3E+2,
+      "KillClose": 0.15E+1,
+      "KillHeight": 0.18800000000000001E+2,
+      "KillOpen": 0.15E+1,
+      "LowerRamClose": 0.0E+0,
+      "LowerRamHeight": 0.21350000000000001E+2,
+      "LowerRamOpen": 0.0E+0,
+      "RamStringDrag": 0.0E+0,
+      "UpperRamClose": 0.0E+0,
+      "UpperRamHeight": 0.14632E+2,
+      "UpperRamOpen": 0.0E+0
+    },
+    "Hoisting": {
+      "DrillingLineBreakingLoadAbrasiveness": 0.0E+0,
+      "DriveTypeAbrasiveness": 0,
+      "KellyWeightAbrasiveness": 0.0E+0,
+      "NumberOfLineAbrasiveness": 0,
+      "TopDriveWeightAbrasiveness": 0.0E+0,
+      "TravelingBlockWeightAbrasiveness": 0.0E+0
+    },
+    "Power": {
+      "CementPump": 0.0E+0,
+      "Drawworks": 0.0E+0,
+      "GeneratorPowerRating": 0.0E+0,
+      "MudPump1": 0.0E+0,
+      "MudPump2": 0.0E+0,
+      "NumberOfgenerators": 0,
+      "RotaryTable": 0.0E+0,
+      "TopDrive": 0.0E+0
+    },
+    "Pumps": {
+      "MudPump1LinerDiameter": 0.0E+0,
+      "MudPump1Stroke": 0.0E+0,
+      "MudPump1MechanicalEfficiency": 0.0E+0,
+      "MudPump1VolumetricEfficiency": 0.0E+0,
+      "MudPump1Output": 0.0E+0,
+      "MudPump1OutputBblStroke": 0.0E+0,
+      "MudPump1Maximum": 0.0E+0,
+      "MudPump1ReliefValvePressure": 0.0E+0,
+      "MudPump2LinerDiameter": 0.0E+0,
+      "MudPump2Stroke": 0.0E+0,
+      "MudPump2MechanicalEfficiency": 0.0E+0,
+      "MudPump2VolumetricEfficiency": 0.0E+0,
+      "MudPump2Output": 0.0E+0,
+      "MudPump2OutputBblStroke": 0.0E+0,
+      "MudPump2Maximum": 0.0E+0,
+      "MudPump2ReliefValvePressure": 0.0E+0,
+      "CementPumpLinerDiameter": 0.0E+0,
+      "CementPumpStroke": 0.0E+0,
+      "CementPumpMechanicalEfficiency": 0.0E+0,
+      "CementPumpVolumetricEfficiency": 0.0E+0,
+      "CementPumpOutput": 0.0E+0,
+      "CementPumpOutputBblStroke": 0.0E+0,
+      "CementPumpMaximum": 0.0E+0,
+      "CementPumpReliefValvePressure": 0.0E+0,
+      "MudPump1ReliefValveIsSet": false,
+      "MudPump2ReliefValveIsSet": false,
+      "CementPumpReliefValveIsSet": false,
+      "ManualPumpPower": false,
+      "Valve1": false,
+      "Valve2": false,
+      "Valve3": false,
+      "Valve4": false,
+      "Valve5": false
+    },
+    "RigSize": {
+      "RigType": 0,
+      "CrownHeight": 0.0E+0,
+      "MonkeyBoandHeight": 0.0E+0,
+      "RigFloorHeight": 0.0E+0
+    },
+    "CasingLinerChoke": {
+      "CasingDepth": 0.0E+0,
+      "CasingId": 0.0E+0,
+      "CasingOd": 0.0E+0,
+      "CasingWeight": 0.0E+0,
+      "CasingCollapsePressure": 0.0E+0,
+      "CasingTensileStrength": 0.0E+0,
+      "LinerTopDepth": 0.0E+0,
+      "LinerLength": 0.0E+0,
+      "LinerId": 0.0E+0,
+      "LinerOd": 0.0E+0,
+      "LinerWeight": 0.0E+0,
+      "LinerCollapsePressure": 0.0E+0,
+      "LinerTensileStrength": 0.0E+0,
+      "OpenHoleId": 0.0E+0,
+      "OpenHoleLength": 0.0E+0
+    },
+    "Path": {
+      "Items": [
+        {"HoleType":0,
+        "Angle":0,
+        "Length":0,
+        "FinalAngle":0,
+        "TotalLength":0,
+        "MeasuredDepth":0,
+        "TotalVerticalDepth":0
+        },
+        {"HoleType":0,
+        "Angle":0,
+        "Length":0,
+        "FinalAngle":0,
+        "TotalLength":0,
+        "MeasuredDepth":0,
+        "TotalVerticalDepth":0
+        }                
+      ],
+      "DataPoints": [
+        {"X":0,
+        "Y":0
+        },
+        {"X":0,
+        "Y":0
+        }
+      ]
+    },
+    "Mud": {
+      "ActiveMudType": 0,
+      "ActiveRheologyModel": 0,
+      "ActiveMudVolume": 0.0E+0,
+      "ActiveMudVolumeGal": 0.0E+0,
+      "ActiveDensity": 0.0E+0,
+      "ActivePlasticViscosity": 0.0E+0,
+      "ActiveYieldPoint": 0.0E+0,
+      "ActiveThetaThreeHundred": 0.0E+0,
+      "ActiveThetaSixHundred": 0.0E+0,
+      "ReserveMudType": 0,
+      "ReserveMudVolume": 0.0E+0,
+      "ReserveMudVolumeGal": 0.0E+0,
+      "ReserveDensity": 0.0E+0,
+      "ReservePlasticViscosity": 0.0E+0,
+      "ReserveYieldPoint": 0.0E+0,
+      "ReserveThetaThreeHundred": 0.0E+0,
+      "ReserveThetaSixHundred": 0.0E+0,
+      "ActiveTotalTankCapacity": 0.0E+0,
+      "ActiveTotalTankCapacityGal": 0.0E+0,
+      "ActiveSettledContents": 0.0E+0,
+      "ActiveSettledContentsGal": 0.0E+0,
+      "ActiveTotalContents": 0.0E+0,
+      "ActiveTotalContentsGal": 0.0E+0,
+      "ActiveAutoDensity": false,
+      "InitialTripTankMudVolume": 0.0E+0,
+      "InitialTripTankMudVolumeGal": 0.0E+0,
+      "PedalFlowMeter": 0.0E+0
+    }
+  }
+}
diff --git a/test.json b/test.json
index b76e4f4..fb551a6 100644
--- a/test.json
+++ b/test.json
@@ -218,6 +218,35 @@
         "Y":0
         }
       ]
+    },
+    "Mud": {
+      "ActiveMudType": 0,
+      "ActiveRheologyModel": 0,
+      "ActiveMudVolume": 0.0E+0,
+      "ActiveMudVolumeGal": 0.0E+0,
+      "ActiveDensity": 0.0E+0,
+      "ActivePlasticViscosity": 0.0E+0,
+      "ActiveYieldPoint": 0.0E+0,
+      "ActiveThetaThreeHundred": 0.0E+0,
+      "ActiveThetaSixHundred": 0.0E+0,
+      "ReserveMudType": 0,
+      "ReserveMudVolume": 0.0E+0,
+      "ReserveMudVolumeGal": 0.0E+0,
+      "ReserveDensity": 0.0E+0,
+      "ReservePlasticViscosity": 0.0E+0,
+      "ReserveYieldPoint": 0.0E+0,
+      "ReserveThetaThreeHundred": 0.0E+0,
+      "ReserveThetaSixHundred": 0.0E+0,
+      "ActiveTotalTankCapacity": 0.0E+0,
+      "ActiveTotalTankCapacityGal": 0.0E+0,
+      "ActiveSettledContents": 0.0E+0,
+      "ActiveSettledContentsGal": 0.0E+0,
+      "ActiveTotalContents": 0.0E+0,
+      "ActiveTotalContentsGal": 0.0E+0,
+      "ActiveAutoDensity": false,
+      "InitialTripTankMudVolume": 0.0E+0,
+      "InitialTripTankMudVolumeGal": 0.0E+0,
+      "PedalFlowMeter": 0.0E+0
     }
   }
 }