SimulationCore2/TorqueDrag/TD_DrillingSubs/TD_StringConnectionModes.f90

subroutine TD_StringConnectionModes

   Use CHoistingVariables
   Use CDrillingConsoleVariables
   Use CKellyConnectionEnumVariables
   Use CElevatorConnectionEnumVariables
   Use CSlipsEnumVariables
   Use COperationConditionEnumVariables
   Use CZeroStringSpeed
   Use CTdsConnectionModesEnumVariables
   Use CTdsElevatorModesEnumVariables
   Use COperationScenariosVariables
   Use TD_DrillStemComponents
   Use TD_WellElements
   Use TD_WellGeometry
   Use TD_GeneralData
   Use TD_StringConnectionData
   Use Drawworks_VARIABLES!, only: Drawworks
   
   
   
   implicit none
   integer :: i , kk
   Real(8) :: LengthSum
   
   
   
   
   
   
   
   !!=====> Read Data
   !kk        = 0
   !LengthSum = 0.d0
   !
   !Do i = TD_DrillStemComponentsNumbs , 1 , -1
   !     if (TD_DrillStems(i)%ComponentType==3) then
   !         kk = i
   !         exit
   !     else if (TD_DrillStems(i)%ComponentType==5 .or. TD_DrillStems(i)%ComponentType==7) then
   !         LengthSum = LengthSum+TD_DrillStems(i)%LengthIni
   !     end if
   !End Do
   
   
   
   
   
   
   
   !####C_Program -----> DriveType = 
   !                               = 0    TopDrive_DriveType
   !                               = 1    Kelly_DriveType
   
   !####C_Program -----> TD_KellyDriveTypeMode = 
   !                                           = 0    Drill Mode (Kelly)
   !                                           = 1    Trip Mode (Elevator)
   !                                           = 2    TopDrive Mode
   
   if ( DriveType==1 .and. Get_OperationCondition()==OPERATION_DRILL ) then
       TD_KellyDriveTypeMode = 0
   else if ( DriveType==1 .and. Get_OperationCondition()==OPERATION_TRIP ) then
       TD_KellyDriveTypeMode = 1
   else if ( DriveType==0 ) then
       TD_KellyDriveTypeMode = 2
   end if
   
   TD_HookHeight           = DW_TDHookHeight               ! unit: [ft]
   TD_ElevatorConst        = 17.985                        ! [ft]   Elevator Length(14.84)   ????????????????? adad ha daghigh shavand
   TD_ElevatorECG          = ECG                           ! [ft]
   TD_KellyConst           = 63.280d0                      ! [ft]   Kelly Length(61.74) + Safety Valve Length(1.54)
   TD_KellyElementConst    = 41.840d0                      ! [ft]   Kelly Element Length(40.3) + Safety Valve Length(1.54)
   TD_TDSLength            = 24.08d0  !??????????????????? ! [ft]   
   TD_TDSToolJointLength   = 0.77d0  !???????????????????  ! [ft]   
   TD_TDSElevatorLength    = 26.837d0   !??????            ! TDS with Elevator Length [ft]
   TD_TDSElevatorToolLength= 0.859d0  !??????????????????? ! [ft]
   TD_TDSElevatorECG       = 2.454                         ! [ft]
   TD_NumOfCables          = NumberOfLine
   TD_WeightTB             = TravelingBlockWeight          ! [lb]
   TD_WeightTD             = TopDriveWeight                ! [lb]
   TD_KellyWeight          = KellyWeight                   ! [lb]
   
   
   
   
   
   
   
   
   !=====> Velocity Calculation
   TD_HookVelocity = (TD_HookHeight-TD_HookHeightOld)/TD_TimeStep   ! [ft/s]
   
   
   
   
   
   
   
   
   
!====================================================
!       Add or Remove DrillStem Components
!====================================================
    Call TD_AddComponents
    
    Call TD_RemoveComponents
    
    
   !=====> Read Data
   kk        = 0
   LengthSum = 0.d0

   Do i = TD_DrillStemComponentsNumbs , 1 , -1
        if (TD_DrillStems(i)%ComponentType==3) then
            kk = i
            exit
        else if (TD_DrillStems(i)%ComponentType==5 .or. TD_DrillStems(i)%ComponentType==7) then
            LengthSum = LengthSum+TD_DrillStems(i)%LengthIni
        end if
   End Do
    !print*, 'kk' , kk
    !print*, 'TD_DrillStems(kk)%LengthIni0=' , TD_DrillStems(kk)%LengthIni
    
    
  

!====================================================
!       String Connection Mode Determination
!====================================================
   
   !####TD_StringConnectionMode = 
   !                            = 0   Slips Set         ???????
   !                            = 1   Kelly Connected to String
   !                            = 2   Kelly Nothing Connected
   !                            = 3   Kelly Connected to Single
   !                            = 4   Elevator Connected to String
   !                            = 5   Elevator Nothing Connected
   !                            = 6   Elevator Connected to Stand
   !                            = 7   Elevator Connected to Single
   !                            = 8   Elevator Latch String
   !                            = 18  Elevator Latch Single
   !                            = 19  Elevator Latch Stand
   !                            = 9   TDS CONNECTION SPINE
   !                            = 10  TDS CONNECTION STRING
   !                            = 11  TDS CONNECTION NOTHING .and. TDS ELEVATOR LATCH STRING
   !                            = 12  TDS CONNECTION NOTHING .and. TDS ELEVATOR CONNECTION STRING
   !                            = 13  TDS CONNECTION NOTHING .and. TDS ELEVATOR CONNECTION NOTHING
   !                            = 14  TDS CONNECTION NOTHING .and. TDS ELEVATOR CONNECTION STAND
   !                            = 15  TDS CONNECTION NOTHING .and. TDS ELEVATOR CONNECTION SINGLE
   !                            = 16  TDS CONNECTION NOTHING .and. TDS ELEVATOR LATCH SINGLE
   !                            = 17  TDS CONNECTION NOTHING .and. TDS ELEVATOR LATCH STAND 
   
    
    
   
  
   !if (TD_DlTouch<=0.) then   ![ft]
   !    if(TD_HookVelocity<=0.) then
   !        TD_ConnectionHeight = TD_ConnectionHeight
   !        TD_StringVelocity   = 0.0d0
   !        return
   !    end if
   !end if
   
   
   
   !=====> Connection Height Determination
   
   if ( TD_KellyDriveTypeMode==0 ) then
       
       if(Get_KellyConnection() == KELLY_CONNECTION_STRING) then
           TD_KellyNewStatus1  = 1
       else
           TD_KellyNewStatus1  = 0
           !TD_KellyOldStatus1 = 0
       end if
       
       if(Get_KellyConnection()==KELLY_CONNECTION_NOTHING) then
           TD_KellyNewStatus2  = 1
       else
           TD_KellyNewStatus2  = 0
           !TD_KellyOldStatus2 = 0
       end if
       
       if(Get_KellyConnection()==KELLY_CONNECTION_SINGLE) then
           TD_KellyNewStatus3  = 1
       else
           TD_KellyNewStatus3  = 0
           !TD_KellyOldStatus3 = 0
       end if
       
       
       if ( Get_KellyConnection() == KELLY_CONNECTION_STRING ) then
           TD_StringConnectionMode = 1
           !print*, 'TD_ConnectionHeight10=' , TD_ConnectionHeight
           !print*, 'TD_KellyElementConst1=' , TD_KellyElementConst
           !print*, 'TD_DrillStems(kk)%LengthIni1=' , TD_DrillStems(kk)%LengthIni
           if (TD_KellyOldStatus2==1 .and. TD_KellyNewStatus1/=TD_KellyOldStatus1) then
               TD_ConnectionHeight = TD_ConnectionHeight+TD_KellyElementConst
               TD_KellyOldStatus1  = TD_KellyNewStatus1
               TD_KellyOldStatus2  = 0
           else if (TD_KellyOldStatus3==1 .and. TD_KellyNewStatus1/=TD_KellyOldStatus1) then
               TD_ConnectionHeight = TD_ConnectionHeight+TD_KellyElementConst+30.d0  !TD_DrillStems(kk)%LengthIni
               TD_KellyOldStatus1  = TD_KellyNewStatus1
               TD_KellyOldStatus3  = 0
           end if
           !print*, 'TD_ConnectionHeight1=' , TD_ConnectionHeight
           if ( Get_Slips() == SLIPS_SET_END ) then
               !!if ( TD_HookVelocity>0. ) then
               !!    Print*, '*** UnSet Slips ***'   !?????????
               !!end if
               TD_KellyConnectionHeight = TD_HookHeight-(TD_KellyConst-TD_KellyElementConst)   !?????????
               TD_ConnectionHeight      = TD_ConnectionHeight
               TD_StringVelocity        = 0.0d0
           else
               !if (TD_DlTouch<=0. .and. TD_HookVelocity<=0.) then
               !    TD_ConnectionHeight = TD_ConnectionHeight
               !    TD_StringVelocity   = 0.0d0
               !else
                TD_KellyConnectionHeight = TD_HookHeight-(TD_KellyConst-TD_KellyElementConst)   !??????????
                TD_ConnectionHeight      = TD_KellyConnectionHeight
                TD_StringVelocity        = TD_HookVelocity
               !end if
           end if
       
       else if ( Get_KellyConnection() == KELLY_CONNECTION_NOTHING ) then
           TD_StringConnectionMode = 2
           !print*, 'TD_ConnectionHeight20=' , TD_ConnectionHeight
           !print*, 'TD_KellyElementConst2=' , TD_KellyElementConst
           if (TD_KellyOldStatus1==1 .and. TD_KellyNewStatus2/=TD_KellyOldStatus2) then
               TD_ConnectionHeight = TD_ConnectionHeight-TD_KellyElementConst
               TD_KellyOldStatus2  = TD_KellyNewStatus2
               TD_KellyOldStatus1  = 0
           else if (TD_KellyOldStatus3==1 .and. TD_KellyNewStatus2/=TD_KellyOldStatus2) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus2  = TD_KellyNewStatus2
               TD_KellyOldStatus3  = 0
           else if (TD_KellyOldStatus5==1 .and. TD_KellyNewStatus2/=TD_KellyOldStatus2) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus2  = TD_KellyNewStatus2
               TD_KellyOldStatus5  = 0
           end if
           !print*, 'TD_ConnectionHeight2=' , TD_ConnectionHeight
           TD_KellyConnectionHeight = TD_HookHeight-TD_KellyConst
           TD_ConnectionHeight      = TD_ConnectionHeight
           TD_StringVelocity        = 0.0d0
       
       else if ( Get_KellyConnection() == KELLY_CONNECTION_SINGLE ) then
           !print*, 'KELLY_CONNECTION_SINGLE' , TD_ConnectionHeight
           TD_StringConnectionMode = 3
           !print*, 'TD_ConnectionHeight30=' , TD_ConnectionHeight
           !print*, 'TD_KellyElementConst3=' , TD_KellyElementConst
           !print*, 'TD_DrillStems(kk)%LengthIni3=' , TD_DrillStems(kk)%LengthIni
           if (TD_KellyOldStatus1==1 .and. TD_KellyNewStatus3/=TD_KellyOldStatus3) then
               !print*, 'KELLY_CONNECTION_SINGLE1' , TD_ConnectionHeight
               !print*, 'TD_KellyElementConst=' , TD_KellyElementConst
               !print*, 'TD_DrillStems(kk)%LengthIni=' , TD_DrillStems(kk)%LengthIni
               TD_ConnectionHeight = TD_ConnectionHeight-TD_KellyElementConst-30.d0  !TD_DrillStems(kk)%LengthIni
               TD_KellyOldStatus3  = TD_KellyNewStatus3
               TD_KellyOldStatus1  = 0
           else if (TD_KellyOldStatus2==1 .and. TD_KellyNewStatus3/=TD_KellyOldStatus3) then
               !print*, 'KELLY_CONNECTION_SINGLE2' , TD_ConnectionHeight
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus3  = TD_KellyNewStatus3
               TD_KellyOldStatus2  = 0
           end if
           !print*, 'TD_ConnectionHeight3=' , TD_ConnectionHeight
           !print*, 'KELLY_CONNECTION_SINGLE3' , TD_ConnectionHeight
           TD_KellyConnectionHeight = TD_HookHeight-TD_KellyConst-TD_DrillStems(kk)%LengthIni
           TD_ConnectionHeight      = TD_ConnectionHeight
           TD_StringVelocity        = 0.0d0
           !print*, 'KELLY_CONNECTION_SINGLE4' , TD_ConnectionHeight
       end if
       !print*, 'KELLY_CONNECTION_SINGLE5' , TD_ConnectionHeight
    
   else if ( TD_KellyDriveTypeMode==1 ) then
       
       if(Get_ElevatorConnection() == ELEVATOR_CONNECTION_STRING) then
           TD_KellyNewStatus4  = 1
       else
           TD_KellyNewStatus4  = 0
           !TD_KellyOldStatus4 = 0
       end if
       
       if(Get_ElevatorConnection() == ELEVATOR_CONNECTION_NOTHING) then
           TD_KellyNewStatus5  = 1
       else
           TD_KellyNewStatus5  = 0
           !TD_KellyOldStatus5 = 0
       end if
       
       if(Get_ElevatorConnection() == ELEVATOR_CONNECTION_STAND) then
           TD_KellyNewStatus6  = 1
       else
           TD_KellyNewStatus6  = 0
           !TD_KellyOldStatus6 = 0
       end if
       
       if(Get_ElevatorConnection() == ELEVATOR_CONNECTION_SINGLE) then
           TD_KellyNewStatus7  = 1
       else
           TD_KellyNewStatus7  = 0
           !TD_KellyOldStatus7 = 0
       end if
       
       if(Get_ElevatorConnection() == ELEVATOR_LATCH_STRING) then
           TD_KellyNewStatus8  = 1
       else
           TD_KellyNewStatus8  = 0
           !TD_KellyOldStatus8 = 0
       end if
       
       if(Get_ElevatorConnection() == ELEVATOR_LATCH_SINGLE) then
           TD_KellyNewStatus18  = 1
       else
           TD_KellyNewStatus18  = 0
           !TD_KellyOldStatus18 = 0
       end if
       
       if(Get_ElevatorConnection() == ELEVATOR_LATCH_STAND) then
           TD_KellyNewStatus19  = 1
       else
           TD_KellyNewStatus19  = 0
           !TD_KellyOldStatus19 = 0
       end if
       
       
       if ( Get_ElevatorConnection() == ELEVATOR_CONNECTION_STRING ) then
           TD_StringConnectionMode = 4
           if (TD_KellyOldStatus5==1 .and. TD_KellyNewStatus4/=TD_KellyOldStatus4) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus4  = TD_KellyNewStatus4
               TD_KellyOldStatus5  = 0
           else if (TD_KellyOldStatus6==1 .and. TD_KellyNewStatus4/=TD_KellyOldStatus4) then
               TD_ConnectionHeight = TD_ConnectionHeight+(3.d0*TD_DrillStems(kk)%LengthIni)
               TD_KellyOldStatus4  = TD_KellyNewStatus4
               TD_KellyOldStatus6  = 0
           else if (TD_KellyOldStatus7==1 .and. TD_KellyNewStatus4/=TD_KellyOldStatus4) then
               TD_ConnectionHeight = TD_ConnectionHeight+TD_DrillStems(kk)%LengthIni
               TD_KellyOldStatus4  = TD_KellyNewStatus4
               TD_KellyOldStatus7  = 0
           else if (TD_KellyOldStatus8==1 .and. TD_KellyNewStatus4/=TD_KellyOldStatus4) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus4  = TD_KellyNewStatus4
               TD_KellyOldStatus8  = 0
           end if
           if ( Get_Slips() == SLIPS_SET_END ) then
               !if ( TD_HookVelocity>0. ) then
               !    Print*, '*** UnSet Slips ***'   !???????????????????
               !end if
               TD_ElevatorHeight       = TD_HookHeight-TD_ElevatorConst   !?????????????
               TD_ConnectionHeight     = TD_ConnectionHeight
               TD_StringVelocity       = 0.0d0
           else
               TD_ElevatorHeight       = TD_HookHeight-TD_ElevatorConst
               TD_ConnectionHeight     = TD_HookHeight-TD_ElevatorConst+(LengthSum+TD_ElevatorECG)      !(LengthSum+TD_DrillStems(kk)%ToolJointRange)
               TD_StringVelocity       = TD_HookVelocity
           end if
       
       else if ( Get_ElevatorConnection() == ELEVATOR_CONNECTION_NOTHING ) then
           TD_StringConnectionMode = 5
           if (TD_KellyOldStatus4==1 .and. TD_KellyNewStatus5/=TD_KellyOldStatus5) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus5  = TD_KellyNewStatus5
               TD_KellyOldStatus4  = 0
           else if (TD_KellyOldStatus6==1 .and. TD_KellyNewStatus5/=TD_KellyOldStatus5) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus5  = TD_KellyNewStatus5
               TD_KellyOldStatus6  = 0
           else if (TD_KellyOldStatus7==1 .and. TD_KellyNewStatus5/=TD_KellyOldStatus5) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus5  = TD_KellyNewStatus5
               TD_KellyOldStatus7  = 0
           else if (TD_KellyOldStatus8==1 .and. TD_KellyNewStatus5/=TD_KellyOldStatus5) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus5  = TD_KellyNewStatus5
               TD_KellyOldStatus8  = 0
            else if (TD_KellyOldStatus2==1 .and. TD_KellyNewStatus5/=TD_KellyOldStatus5) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus5  = TD_KellyNewStatus5
               TD_KellyOldStatus2  = 0
           end if
           TD_ElevatorHeight       = TD_HookHeight-TD_ElevatorConst
           TD_ConnectionHeight     = TD_ConnectionHeight
           TD_StringVelocity       = 0.0d0
       
       else if ( Get_ElevatorConnection() == ELEVATOR_CONNECTION_STAND ) then
           TD_StringConnectionMode = 6
           if (TD_KellyOldStatus4==1 .and. TD_KellyNewStatus6/=TD_KellyOldStatus6) then
               TD_ConnectionHeight = TD_ConnectionHeight-(3.*TD_DrillStems(kk)%LengthIni)
               TD_KellyOldStatus6  = TD_KellyNewStatus6
               TD_KellyOldStatus4  = 0
           else if (TD_KellyOldStatus5==1 .and. TD_KellyNewStatus6/=TD_KellyOldStatus6) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus6  = TD_KellyNewStatus6
               TD_KellyOldStatus5  = 0
           else if (TD_KellyOldStatus7==1 .and. TD_KellyNewStatus6/=TD_KellyOldStatus6) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus6  = TD_KellyNewStatus6
               TD_KellyOldStatus7  = 0
           else if (TD_KellyOldStatus8==1 .and. TD_KellyNewStatus6/=TD_KellyOldStatus6) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus6  = TD_KellyNewStatus6
               TD_KellyOldStatus8  = 0
           end if
           TD_ElevatorHeight       = TD_HookHeight-TD_ElevatorConst-(3.*TD_DrillStems(kk)%LengthIni)
           TD_ConnectionHeight     = TD_ConnectionHeight
           TD_StringVelocity       = 0.0d0
       
       else if ( Get_ElevatorConnection() == ELEVATOR_CONNECTION_SINGLE ) then
           TD_StringConnectionMode = 7
           if (TD_KellyOldStatus4==1 .and. TD_KellyNewStatus7/=TD_KellyOldStatus7) then
               TD_ConnectionHeight = TD_ConnectionHeight-TD_DrillStems(kk)%LengthIni
               TD_KellyOldStatus7  = TD_KellyNewStatus7
               TD_KellyOldStatus4  = 0
           else if (TD_KellyOldStatus5==1 .and. TD_KellyNewStatus7/=TD_KellyOldStatus7) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus7  = TD_KellyNewStatus7
               TD_KellyOldStatus5  = 0
           else if (TD_KellyOldStatus6==1 .and. TD_KellyNewStatus7/=TD_KellyOldStatus7) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus7  = TD_KellyNewStatus7
               TD_KellyOldStatus6  = 0
           else if (TD_KellyOldStatus8==1 .and. TD_KellyNewStatus7/=TD_KellyOldStatus7) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus7  = TD_KellyNewStatus7
               TD_KellyOldStatus8  = 0
           end if
           TD_ElevatorHeight       = TD_HookHeight-TD_ElevatorConst-TD_DrillStems(kk)%LengthIni
           TD_ConnectionHeight     = TD_ConnectionHeight
           TD_StringVelocity       = 0.0d0
           
        else if ( Get_ElevatorConnection() == ELEVATOR_LATCH_STRING ) then
           TD_StringConnectionMode = 8
           if (TD_KellyOldStatus4==1 .and. TD_KellyNewStatus8/=TD_KellyOldStatus8) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus8  = TD_KellyNewStatus8
               TD_KellyOldStatus4  = 0
           else if (TD_KellyOldStatus5==1 .and. TD_KellyNewStatus8/=TD_KellyOldStatus8) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus8  = TD_KellyNewStatus8
               TD_KellyOldStatus5  = 0
           else if (TD_KellyOldStatus6==1 .and. TD_KellyNewStatus8/=TD_KellyOldStatus8) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus8  = TD_KellyNewStatus8
               TD_KellyOldStatus6  = 0
           else if (TD_KellyOldStatus7==1 .and. TD_KellyNewStatus8/=TD_KellyOldStatus8) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus8  = TD_KellyNewStatus8
               TD_KellyOldStatus7  = 0
           end if
           TD_ElevatorHeight       = TD_HookHeight-TD_ElevatorConst
           TD_ConnectionHeight     = TD_ConnectionHeight
           TD_StringVelocity       = 0.0d0
           
        else if ( Get_ElevatorConnection() == ELEVATOR_LATCH_SINGLE ) then
           TD_StringConnectionMode = 18
           if (TD_KellyOldStatus5==1 .and. TD_KellyNewStatus18/=TD_KellyOldStatus18) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus18  = TD_KellyNewStatus18
               TD_KellyOldStatus5  = 0
           else if (TD_KellyOldStatus7==1 .and. TD_KellyNewStatus18/=TD_KellyOldStatus18) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus18  = TD_KellyNewStatus18
               TD_KellyOldStatus7  = 0
           else if (TD_KellyOldStatus8==1 .and. TD_KellyNewStatus18/=TD_KellyOldStatus18) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus18  = TD_KellyNewStatus18
               TD_KellyOldStatus8  = 0
           end if
           TD_ElevatorHeight       = TD_HookHeight-TD_ElevatorConst
           TD_ConnectionHeight     = TD_ConnectionHeight
           TD_StringVelocity       = 0.0d0
           
        else if ( Get_ElevatorConnection() == ELEVATOR_LATCH_STAND ) then
           TD_StringConnectionMode = 19
           if (TD_KellyOldStatus5==1 .and. TD_KellyNewStatus19/=TD_KellyOldStatus19) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus19  = TD_KellyNewStatus19
               TD_KellyOldStatus5  = 0
           else if (TD_KellyOldStatus6==1 .and. TD_KellyNewStatus19/=TD_KellyOldStatus19) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus19  = TD_KellyNewStatus19
               TD_KellyOldStatus6  = 0
           else if (TD_KellyOldStatus8==1 .and. TD_KellyNewStatus19/=TD_KellyOldStatus19) then
               TD_ConnectionHeight = TD_ConnectionHeight
               TD_KellyOldStatus19  = TD_KellyNewStatus19
               TD_KellyOldStatus8  = 0
           end if
           TD_ElevatorHeight       = TD_HookHeight-TD_ElevatorConst
           TD_ConnectionHeight     = TD_ConnectionHeight
           TD_StringVelocity       = 0.0d0
        end if
        
   else if ( TD_KellyDriveTypeMode==2 ) then
       
       if( Get_TdsConnectionModes()==TDS_CONNECTION_SPINE ) then
           TD_KellyNewStatus9  = 1
       else
           TD_KellyNewStatus9  = 0
           !TD_KellyOldStatus9 = 0
       end if
       
       if( Get_TdsConnectionModes()==TDS_CONNECTION_STRING ) then
           TD_KellyNewStatus10  = 1
       else
           TD_KellyNewStatus10  = 0
           !TD_KellyOldStatus10 = 0
       end if
       
       if( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_LATCH_STRING ) then
           TD_KellyNewStatus11  = 1
       else
           TD_KellyNewStatus11  = 0
           !TD_KellyOldStatus11 = 0
       end if
       
       if( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_CONNECTION_STRING ) then
           TD_KellyNewStatus12  = 1
       else
           TD_KellyNewStatus12  = 0
           !TD_KellyOldStatus12 = 0
       end if
       
       if( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_CONNECTION_NOTHING ) then
           TD_KellyNewStatus13  = 1
       else
           TD_KellyNewStatus13  = 0
           !TD_KellyOldStatus13 = 0
       end if
       
       if( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_CONNECTION_STAND ) then
           TD_KellyNewStatus14  = 1
       else
           TD_KellyNewStatus14  = 0
           !TD_KellyOldStatus14 = 0
       end if
       
       if( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_CONNECTION_SINGLE ) then
           TD_KellyNewStatus15  = 1
       else
           TD_KellyNewStatus15  = 0
           !TD_KellyOldStatus15 = 0
       end if
       
       if( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_LATCH_SINGLE ) then
           TD_KellyNewStatus16  = 1
       else
           TD_KellyNewStatus16  = 0
           !TD_KellyOldStatus16 = 0
       end if
       
       if( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_LATCH_STAND ) then
           TD_KellyNewStatus17  = 1
       else
           TD_KellyNewStatus17  = 0
           !TD_KellyOldStatus17 = 0
       end if
       
       if ( Get_TdsConnectionModes()==TDS_CONNECTION_SPINE ) then
           TD_StringConnectionMode  = 9
           if (TD_KellyOldStatus10==1 .and. TD_KellyNewStatus9/=TD_KellyOldStatus9) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus9   = TD_KellyNewStatus9
               TD_KellyOldStatus10  = 0
           else if (TD_KellyOldStatus11==1 .and. TD_KellyNewStatus9/=TD_KellyOldStatus9) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus9   = TD_KellyNewStatus9
               TD_KellyOldStatus11  = 0
           else if (TD_KellyOldStatus13==1 .and. TD_KellyNewStatus9/=TD_KellyOldStatus9) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus9   = TD_KellyNewStatus9
               TD_KellyOldStatus13  = 0
           end if
           if ( Get_Slips() == SLIPS_SET_END ) then
               !if ( TD_HookVelocity>0. ) then
               !    Print*, '*** UnSet Slips ***'   !???????????????????
               !end if
               TD_TDSHeight         = TD_HookHeight-TD_TDSLength-TD_TDSToolJointLength       !?????????????
               TD_TDSElevatorHeight = TD_HookHeight-TD_TDSElevatorLength   !?????????????
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_StringVelocity    = 0.0d0
           else
               TD_TDSHeight         = TD_HookHeight-TD_TDSLength-TD_TDSToolJointLength       !?????????????
               TD_TDSElevatorHeight = TD_HookHeight-TD_TDSElevatorLength   !?????????????
               TD_ConnectionHeight  = TD_TDSHeight
               TD_StringVelocity    = TD_HookVelocity
           end if
           
       else if ( Get_TdsConnectionModes()==TDS_CONNECTION_STRING ) then
           TD_StringConnectionMode  = 10
           if (TD_KellyOldStatus9==1 .and. TD_KellyNewStatus10/=TD_KellyOldStatus10) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus10  = TD_KellyNewStatus10
               TD_KellyOldStatus9   = 0
           end if
           if ( Get_Slips() == SLIPS_SET_END ) then
               !if ( TD_HookVelocity>0. ) then
               !    Print*, '*** UnSet Slips ***'   !???????????????????
               !end if
               TD_TDSHeight         = TD_HookHeight-TD_TDSLength-TD_TDSToolJointLength       !?????????????
               TD_TDSElevatorHeight = TD_HookHeight-TD_TDSElevatorLength   !?????????????
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_StringVelocity    = 0.0d0
           else
               TD_TDSHeight         = TD_HookHeight-TD_TDSLength-TD_TDSToolJointLength       !?????????????
               TD_TDSElevatorHeight = TD_HookHeight-TD_TDSElevatorLength   !?????????????
               TD_ConnectionHeight  = TD_TDSHeight
               TD_StringVelocity    = TD_HookVelocity
           end if
           
       else if ( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_LATCH_STRING ) then
           TD_StringConnectionMode  = 11
           if (TD_KellyOldStatus9==1 .and. TD_KellyNewStatus11/=TD_KellyOldStatus11) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus11  = TD_KellyNewStatus11
               TD_KellyOldStatus9   = 0
           else if (TD_KellyOldStatus12==1 .and. TD_KellyNewStatus11/=TD_KellyOldStatus11) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus11  = TD_KellyNewStatus11
               TD_KellyOldStatus12  = 0
           else if (TD_KellyOldStatus13==1 .and. TD_KellyNewStatus11/=TD_KellyOldStatus11) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus11  = TD_KellyNewStatus11
               TD_KellyOldStatus13  = 0
           else if (TD_KellyOldStatus16==1 .and. TD_KellyNewStatus11/=TD_KellyOldStatus11) then
               TD_ConnectionHeight  = TD_ConnectionHeight+(TD_DrillStems(kk)%LengthIni)
               TD_KellyOldStatus11  = TD_KellyNewStatus11
               TD_KellyOldStatus16  = 0
           else if (TD_KellyOldStatus17==1 .and. TD_KellyNewStatus11/=TD_KellyOldStatus11) then
               TD_ConnectionHeight  = TD_ConnectionHeight+(3.d0*TD_DrillStems(kk)%LengthIni)
               TD_KellyOldStatus11  = TD_KellyNewStatus11
               TD_KellyOldStatus17  = 0
           end if
               TD_TDSHeight         = TD_HookHeight-TD_TDSLength       !?????????????
               TD_TDSElevatorHeight = TD_HookHeight-TD_TDSElevatorLength   !?????????????
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_StringVelocity    = 0.0d0
       
       else if ( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_CONNECTION_STRING ) then
           TD_StringConnectionMode  = 12
           if (TD_KellyOldStatus11==1 .and. TD_KellyNewStatus12/=TD_KellyOldStatus12) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus12  = TD_KellyNewStatus12
               TD_KellyOldStatus11  = 0
           else if (TD_KellyOldStatus14==1 .and. TD_KellyNewStatus12/=TD_KellyOldStatus12) then
               TD_ConnectionHeight  = TD_ConnectionHeight+(3.d0*TD_DrillStems(kk)%LengthIni)
               TD_KellyOldStatus12  = TD_KellyNewStatus12
               TD_KellyOldStatus14  = 0
           else if (TD_KellyOldStatus15==1 .and. TD_KellyNewStatus12/=TD_KellyOldStatus12) then
               TD_ConnectionHeight  = TD_ConnectionHeight+(TD_DrillStems(kk)%LengthIni)
               TD_KellyOldStatus12  = TD_KellyNewStatus12
               TD_KellyOldStatus15  = 0
           end if
           if ( Get_Slips() == SLIPS_SET_END ) then
               !if ( TD_HookVelocity>0. ) then
               !    Print*, '*** UnSet Slips ***'   !???????????????????
               !end if
               TD_TDSHeight         = TD_HookHeight-TD_TDSLength !?????????????
               TD_TDSElevatorHeight = TD_HookHeight-TD_TDSElevatorLength   !?????????????
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_StringVelocity    = 0.0d0
           else
               TD_TDSHeight         = TD_HookHeight-TD_TDSLength   !?????????????
               TD_TDSElevatorHeight = TD_HookHeight-TD_TDSLength-TD_TDSElevatorLength   !?????????????
               TD_ConnectionHeight  = TD_HookHeight-TD_TDSElevatorLength+(LengthSum+TD_TDSElevatorECG)   !?????????????
               TD_StringVelocity    = TD_HookVelocity
           end if
           
       else if ( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_CONNECTION_NOTHING ) then
           TD_StringConnectionMode  = 13
           if (TD_KellyOldStatus9==1 .and. TD_KellyNewStatus13/=TD_KellyOldStatus13) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus13  = TD_KellyNewStatus13
               TD_KellyOldStatus9   = 0
           else if (TD_KellyOldStatus11==1 .and. TD_KellyNewStatus13/=TD_KellyOldStatus13) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus13  = TD_KellyNewStatus13
               TD_KellyOldStatus11  = 0
           else if (TD_KellyOldStatus12==1 .and. TD_KellyNewStatus13/=TD_KellyOldStatus13) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus13  = TD_KellyNewStatus13
               TD_KellyOldStatus12  = 0
           else if (TD_KellyOldStatus14==1 .and. TD_KellyNewStatus13/=TD_KellyOldStatus13) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus13  = TD_KellyNewStatus13
               TD_KellyOldStatus14  = 0
           else if (TD_KellyOldStatus15==1 .and. TD_KellyNewStatus13/=TD_KellyOldStatus13) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus13  = TD_KellyNewStatus13
               TD_KellyOldStatus15  = 0
           else if (TD_KellyOldStatus16==1 .and. TD_KellyNewStatus13/=TD_KellyOldStatus13) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus13  = TD_KellyNewStatus13
               TD_KellyOldStatus16  = 0
           end if
           TD_TDSHeight         = TD_HookHeight-TD_TDSLength       !?????????????
           TD_TDSElevatorHeight = TD_HookHeight-TD_TDSElevatorLength   !?????????????
           TD_ConnectionHeight  = TD_ConnectionHeight
           TD_StringVelocity    = 0.0d0
           
       else if ( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_CONNECTION_STAND ) then
           TD_StringConnectionMode  = 14
           if (TD_KellyOldStatus12==1 .and. TD_KellyNewStatus14/=TD_KellyOldStatus14) then
               TD_ConnectionHeight  = TD_ConnectionHeight-(3.d0*TD_DrillStems(kk)%LengthIni)
               TD_KellyOldStatus14  = TD_KellyNewStatus14
               TD_KellyOldStatus12  = 0
           else if (TD_KellyOldStatus13==1 .and. TD_KellyNewStatus14/=TD_KellyOldStatus14) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus14  = TD_KellyNewStatus14
               TD_KellyOldStatus13  = 0
           else if (TD_KellyOldStatus17==1 .and. TD_KellyNewStatus14/=TD_KellyOldStatus14) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus14  = TD_KellyNewStatus14
               TD_KellyOldStatus17  = 0
           end if
           TD_TDSHeight         = TD_HookHeight-TD_TDSLength       !?????????????
           TD_TDSElevatorHeight = TD_HookHeight-TD_TDSElevatorLength   !?????????????
           TD_ConnectionHeight  = TD_ConnectionHeight
           TD_StringVelocity    = 0.0d0
           
       else if ( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_CONNECTION_SINGLE ) then
           TD_StringConnectionMode  = 15
           if (TD_KellyOldStatus12==1 .and. TD_KellyNewStatus15/=TD_KellyOldStatus15) then
               TD_ConnectionHeight  = TD_ConnectionHeight-(TD_DrillStems(kk)%LengthIni)
               TD_KellyOldStatus15  = TD_KellyNewStatus15
               TD_KellyOldStatus12  = 0
           else if (TD_KellyOldStatus13==1 .and. TD_KellyNewStatus15/=TD_KellyOldStatus15) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus15  = TD_KellyNewStatus15
               TD_KellyOldStatus13  = 0
           else if (TD_KellyOldStatus16==1 .and. TD_KellyNewStatus15/=TD_KellyOldStatus15) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus15  = TD_KellyNewStatus15
               TD_KellyOldStatus16  = 0
           end if
           TD_TDSHeight         = TD_HookHeight-TD_TDSLength       !?????????????
           TD_TDSElevatorHeight = TD_HookHeight-TD_TDSElevatorLength   !?????????????
           TD_ConnectionHeight  = TD_ConnectionHeight
           TD_StringVelocity    = 0.0d0
           
       else if ( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_LATCH_SINGLE ) then
           TD_StringConnectionMode  = 16
           if (TD_KellyOldStatus11==1 .and. TD_KellyNewStatus16/=TD_KellyOldStatus16) then
               TD_ConnectionHeight  = TD_ConnectionHeight-(TD_DrillStems(kk)%LengthIni)
               TD_KellyOldStatus16  = TD_KellyNewStatus16
               TD_KellyOldStatus11  = 0
           else if (TD_KellyOldStatus13==1 .and. TD_KellyNewStatus16/=TD_KellyOldStatus16) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus16  = TD_KellyNewStatus16
               TD_KellyOldStatus13  = 0
           else if (TD_KellyOldStatus15==1 .and. TD_KellyNewStatus16/=TD_KellyOldStatus16) then
               TD_ConnectionHeight  = TD_ConnectionHeight
               TD_KellyOldStatus16  = TD_KellyNewStatus16
               TD_KellyOldStatus15  = 0
           end if
           TD_TDSHeight         = TD_HookHeight-TD_TDSLength       !?????????????
           TD_TDSElevatorHeight = TD_HookHeight-TD_TDSElevatorLength   !?????????????
           TD_ConnectionHeight  = TD_ConnectionHeight
           TD_StringVelocity    = 0.0d0
           
       else if ( Get_TdsConnectionModes()==TDS_CONNECTION_NOTHING .and. Get_TdsElevatorModes()==TDS_ELEVATOR_LATCH_STAND ) then
           TD_StringConnectionMode  = 17
           if (TD_KellyOldStatus11==1 .and. TD_KellyNewStatus17/=TD_KellyOldStatus17) then
               TD_ConnectionHeight  = TD_ConnectionHeight-(3.d0*TD_DrillStems(kk)%LengthIni)
               TD_KellyOldStatus17  = TD_KellyNewStatus17
               TD_KellyOldStatus11  = 0
           else if (TD_KellyOldStatus14==1 .and. TD_KellyNewStatus17/=TD_KellyOldStatus17) then
               TD_ConnectionHeight  = TD_ConnectionHeight+(3.d0*TD_DrillStems(kk)%LengthIni)
               TD_KellyOldStatus17  = TD_KellyNewStatus17
               TD_KellyOldStatus14  = 0
           end if
           TD_TDSHeight         = TD_HookHeight-TD_TDSLength       !?????????????
           TD_TDSElevatorHeight = TD_HookHeight-TD_TDSElevatorLength   !?????????????
           TD_ConnectionHeight  = TD_ConnectionHeight
           TD_StringVelocity    = 0.0d0
       end if

   
   end if
   
   !Print*, 'TD_StringConnectionMode=' , TD_StringConnectionMode
   !print* , 'TD_ConnectionHeight=' , TD_ConnectionHeight
   !Print*, 'TD_StringConnectionMode=' , TD_StringConnectionMode
   !print*, 'TD_DrillStemComponentsNumbs=' , TD_DrillStemComponentsNumbs
   !!Print*, 'TD_KellyNewStatus1=' , TD_KellyNewStatus1
   !Print*, 'TD_KellyOldStatus1=' , TD_KellyOldStatus1
   !Print*, 'TD_KellyNewStatus2=' , TD_KellyNewStatus2
   !Print*, 'TD_KellyOldStatus2=' , TD_KellyOldStatus2
   !Print*, 'TD_KellyNewStatus3=' , TD_KellyNewStatus3
   !Print*, 'TD_KellyOldStatus3=' , TD_KellyOldStatus3
  
   
   
   
   
   
   if ( (any(TD_StringConnectionMode==(/1,9,10/))) .or. CloseSafetyValve==.true. ) then   !for fluid module
       TD_FluidStringConnectionMode = 1       !string is connected
   !else if ( (any(TD_StringConnectionMode==(/1,9,10/))) .or. CloseSafetyValve==.true. ) then
   !    
   else
       TD_FluidStringConnectionMode = 0       !string is not connected
   end if
   
   
   
   
   
   
!====================================================
!                 Zero String Speed
!====================================================
   if ( abs(TD_StringVelocity)<=0.05d0 ) then   ! [ft/s]
       TD_ZeroStringSpeed = 1
       Call Set_ZeroStringSpeed(.true.)
   else
       TD_ZeroStringSpeed = 0
       Call Set_ZeroStringSpeed(.false.)
   end if
  

   
   
   
   
   
end subroutine