subroutine ROP_MainCalculation use SimulationVariables use sROP_Other_Variables use sROP_Variables use CStringConfigurationVariables use CformationVariables ! use CSimulationVariables use CDataDisplayConsole use SimulationVariables use CDrillingConsoleVariables use SimulationVariables use SimulationVariables use CmudPropertiesVariables use CHoistingVariables use SimulationVariables ! use CDrillingConsole use SimulationVariables !@ use SimulationVariables !@, only: RTable use TD_DrillStemComponents use SimulationVariables !@ use PressureDisplayVARIABLESModule USE MudSystemVARIABLES use SimulationVariables !@@@ USE FricPressDropVarsModule use CReservoirVariables use CWarnings ! use ConfigurationVariables, only: TDS use SimulationVariables !@ implicit none Integer :: i , zero_ROPcount !Real(8) :: data%State%ROP_Bit%SetROPGauge zero_ROPcount = 0 data%State%ROP_Bit%NoOfFormations = data%Configuration%Formation%Count data%State%ROP_Bit%DrillingVerticalDepth = data%State%TD_WellGeneral%WellTotalVerticalLength !===> MaximumWellDepthExceeded Warning if ( data%State%ROP_Bit%DrillingVerticalDepth>=(data%Configuration%Formation%Formations(data%Configuration%Formation%Count)%Top+data%Configuration%Formation%Formations(data%Configuration%Formation%Count)%Thickness) ) then data%State%ROP_Bit%RateOfPenetration = 0.0d0 Call Set_ROP(data%State%ROP_Bit%RateOfPenetration) Call Activate_MaximumWellDepthExceeded() return end if !===================================== if ( data%State%ROP_Spec%FormationNumber/=0 .and. data%Equipments%DrillingConsole%HideDrillingBrake==1 ) then ! Hide Drilling Brake Mode data%State%ROP_Spec%FormationNumber = data%State%ROP_Spec%FormationNumber else do i= 1,data%State%ROP_Bit%NoOfFormations data%State%ROP_Spec%FormationTopDepth = data%Configuration%Formation%Formations(i)%Top if (data%State%ROP_Bit%DrillingVerticalDepth>=data%State%ROP_Spec%FormationTopDepth) then data%State%ROP_Spec%FormationNumber = i end if end do end if !!===> Hide Drilling Brake Mode !if ( data%State%ROP_Spec%FormationNumber==FormationNo .and. HideDrillingBrake==1 ) then !???????????? ! data%State%ROP_Spec%FormationNumber = FormationNo-1 !end if !!============================= !data%State%ROP_Spec%BitClass = BitDefinition%BitCode !???????????? call Bit_Specification ! $$$$$**$$$$$**$$$$$**$$$$$**$$$$$** Variables Initialization: *$$$$$**$$$$$**$$$$$**$$$$$**$$$$$ data%State%ROP_Spec%DiameterOfBit = data%Configuration%StringConfiguration%BitDefinition%BitSize ! unit : [in.] (Typical Range: 3.0 to 30.0) data%State%ROP_Spec%NumberOfBitNozzles = data%Configuration%StringConfiguration%BitDefinition%BitNozzleNo ! (Typical Values: 1 to 10) data%State%ROP_Spec%DiameterOfBitNozzle = data%Configuration%StringConfiguration%BitDefinition%BitNozzleSize ! unit : [inch] *** basic input: [1/32 in.] (Typical Range: 8.0 to 32.0) data%State%ROP_Spec%CriticalMudDensity = data%Configuration%Formation%Formations(data%State%ROP_Spec%FormationNumber)%PorePressureGradient/.465d0*9.d0 ! ????????? delete ,unit : [ppg] or [lb/gal] (Typical Range: 0 to 10.0) data%State%ROP_Bit%FormationMudDensity = data%Configuration%Formation%Formations(data%State%ROP_Spec%FormationNumber)%PorePressureGradient/0.052d0 data%State%ROP_Bit%BottomHolePressure = data%State%PressureDisplay%PressureGauges(3) !5200 [psi] data%State%ROP_Bit%ECD = data%State%ROP_Bit%BottomHolePressure/(0.052*data%State%ROP_Bit%DrillingVerticalDepth) data%State%ROP_Spec%CriticalWeightOnBit = (data%Configuration%Formation%Formations(data%State%ROP_Spec%FormationNumber)%ThresholdWeight/5.d0)-(.06d0*(data%Configuration%Formation%Formations(data%State%ROP_Spec%FormationNumber)%ThresholdWeight-10.d0)) ! unit : [klb/in] (Typical Range: 0 to 10 ----> 0.6 to 2) !IF (ALLOCATED(FlowEl)) THEN ! data%State%ROP_Bit%MudViscosity = FlowEl(NoHorizontalEl + NoStringEl)%mueff !13.5 [cP] data%State%ROP_Bit%MudDensity = data%State%MudSystem%BitMudDensity ! [ppg] !ELSE data%State%ROP_Bit%MudViscosity = 13.5 ! [cP] !data%State%ROP_Bit%MudDensity = 9.2 ! [ppg] !END IF data%State%ROP_Bit%MudFlowrate = data%State%MudSystem%StringFlowRateFinal ! [gpm] data%State%ROP_Spec%ReynoldsNumber = data%State%ROP_Bit%MudFlowrate*data%State%ROP_Bit%MudDensity/(data%State%ROP_Bit%MudViscosity*data%State%ROP_Spec%NumberOfBitNozzles*data%State%ROP_Spec%DiameterOfBitNozzle) ! unit : [dimensionless] (Typical Range: 0.1 to 1000.0) ! $$$$$**$$$$$**$$$$$**$$$$$**$$$$ End of Variable Initialization $$$$$**$$$$$**$$$$$**$$$$$**$$$$$ ! -----**-----**-----**-----**-----* data%State%ROP_Bit%RateofPenetration Model Coefficients: *-----**-----**-----**-----**----- data%State%ROP_Spec%a1 = log(data%Configuration%Formation%Formations(data%State%ROP_Spec%FormationNumber)%Drillablity) data%State%ROP_Spec%a2 = 1.2799d-04 data%State%ROP_Spec%a3 = 1.7952d-04 data%State%ROP_Spec%a4 = 4.0656d-05 data%State%ROP_Spec%a5 = 2.9021d-01 data%State%ROP_Spec%a6 = 9.4882d-02 data%State%ROP_Spec%a7 = 2.1837d-01 data%State%ROP_Spec%a8 = 4.4915d-01 data%State%ROP_Spec%dt = 0.1d0 ![s] data%State%ROP_Spec%TouH = data%Configuration%Formation%Formations(data%State%ROP_Spec%FormationNumber)%Abrasiveness*3600.d0 ! [hr]--->[s] ( Typical Range: 1=0.d0 ) then data%State%ROP_Spec%f4 = exp(2.303d0*data%State%ROP_Spec%a4*data%State%ROP_Bit%DrillingVerticalDepth*(data%State%ROP_Bit%FormationMudDensity-data%State%ROP_Bit%ECD)) ! Underbalance Drilling Variable else data%State%ROP_Spec%f4 = 1.0d0 end if if (data%State%TD_String%WeightOnBit>0.d0) then data%State%ROP_Bit%WeightOnBit = data%State%TD_String%WeightOnBit/1000.d0 ![klb] else data%State%ROP_Bit%WeightOnBit = 0.d0 end if if ( (data%State%ROP_Bit%WeightOnBit/data%State%ROP_Spec%DiameterOfBit)0.d0) then data%State%ROP_Bit%RotarySpeed = data%State%RTable%Speed ![rpm] else if (data%Configuration%Hoisting%DriveType==0 .and. (data%State%TDS%Speed>0. .or. data%State%RTable%Speed>0.)) then data%State%ROP_Bit%RotarySpeed = data%State%TDS%Speed+data%State%RTable%Speed ![rpm] else data%State%ROP_Bit%RotarySpeed = 0.0d0 end if data%State%ROP_Spec%f6 = (data%State%ROP_Bit%RotarySpeed/100.d0)**data%State%ROP_Spec%a6 data%State%ROP_Spec%f7 = exp(-data%State%ROP_Spec%a7*data%State%ROP_Bit%BitWearing) Call JetImpactForce data%State%ROP_Spec%f8 = data%State%ROP_Bit%JetImpactForce/1000.d0 data%State%ROP_Bit%RateOfPenetration = (data%State%ROP_Spec%f1*data%State%ROP_Spec%f2*data%State%ROP_Spec%f3*data%State%ROP_Spec%f4*data%State%ROP_Spec%f5*data%State%ROP_Spec%f6*data%State%ROP_Spec%f7*data%State%ROP_Spec%f8) ![ft/h] data%State%ROP_Bit%RateOfPenetration = (DINT(data%State%ROP_Bit%RateOfPenetration*10.d0))/10.d0 if ( (data%State%TD_WellGeneral%WellTotalLength==data%Configuration%Path%Items(data%Configuration%Path%ItemCount)%MeasuredDepth) ) then data%State%ROP_Bit%SetROPGauge = data%State%ROP_Bit%RateOfPenetration Call Set_ROP(data%State%ROP_Bit%SetROPGauge) ![ft/h] data%State%ROP_Bit%OldROPValue(4) = data%State%ROP_Bit%RateOfPenetration !print* , 'first rop=' , data%State%ROP_Bit%OldROPValue , data%State%ROP_Bit%RateOfPenetration ,& ! zero_ROPcount , data%State%ROP_Bit%SetROPGauge , data%State%ROP_Bit%OldROPDepth , data%State%TD_WellGeneral%WellTotalLength , PathGenerations(PathGenerationCount)%MeasuredDepth else if ( ((data%State%TD_WellGeneral%WellTotalLength+(data%State%ROP_Bit%RateOfPenetration*data%State%TD_General%TimeStep/3600.d0))-data%State%ROP_Bit%OldROPDepth)>=0.1 ) then do i= 1,4 if ( data%State%ROP_Bit%OldROPValue(i)==0. ) then zero_ROPcount = zero_ROPcount+1 end if end do data%State%ROP_Bit%SetROPGauge = (data%State%ROP_Bit%RateOfPenetration+data%State%ROP_Bit%OldROPValue(1)+data%State%ROP_Bit%OldROPValue(2)+data%State%ROP_Bit%OldROPValue(3)+data%State%ROP_Bit%OldROPValue(4))/sngl(5-zero_ROPcount) Call Set_ROP(data%State%ROP_Bit%SetROPGauge) ![ft/h] do i= 2,4 data%State%ROP_Bit%OldROPValue(i-1) = data%State%ROP_Bit%OldROPValue(i) end do data%State%ROP_Bit%OldROPValue(4) = data%State%ROP_Bit%RateOfPenetration data%State%ROP_Bit%OldROPDepth = data%State%TD_WellGeneral%WellTotalLength+(data%State%ROP_Bit%RateOfPenetration*data%State%TD_General%TimeStep/3600.d0) !print* , 'new rop=' , data%State%ROP_Bit%OldROPValue , data%State%ROP_Bit%RateOfPenetration ,& ! zero_ROPcount , data%State%ROP_Bit%SetROPGauge , data%State%ROP_Bit%OldROPDepth , data%State%TD_WellGeneral%WellTotalLength , PathGenerations(PathGenerationCount)%MeasuredDepth else Call Set_ROP(data%State%ROP_Bit%SetROPGauge) ![ft/h] !print* , 'old rop=' , data%State%ROP_Bit%OldROPValue , data%State%ROP_Bit%RateOfPenetration ,& ! zero_ROPcount , data%State%ROP_Bit%SetROPGauge , data%State%ROP_Bit%OldROPDepth , data%State%TD_WellGeneral%WellTotalLength , PathGenerations(PathGenerationCount)%MeasuredDepth end if if (data%State%ROP_Bit%RotarySpeed > 0.d0) THEN data%State%ROP_Bit%BitTorque = ( 3.79d0 + 19.17d0*sqrt( data%State%ROP_Bit%RateOfPenetration / (data%State%ROP_Bit%RotarySpeed*data%State%ROP_Spec%DiameterOfBit)) ) * data%State%ROP_Spec%DiameterOfBit * data%State%ROP_Bit%WeightOnBit * ( 1.d0 / ( 1.d0 + 0.00021d0*data%State%ROP_Bit%DrillingVerticalDepth) ) !data%State%ROP_Bit%BitTorque = data%State%ROP_Bit%BitTorque/3. !bi dalil taghsim bar 3 shode(chon adad bozorg bude), baadan az rabete check shavad (seyyed gofte) else data%State%ROP_Bit%BitTorque = 0.d0 end if if ( (data%State%ROP_Bit%WeightOnBit/data%State%ROP_Spec%DiameterOfBit)<(data%State%ROP_Spec%wdmax) ) then data%State%ROP_Bit%BitWearing = data%State%ROP_Bit%BitWearing +( (data%State%ROP_Spec%dt*data%State%ROP_Spec%H3/data%State%ROP_Spec%TouH)*((data%State%ROP_Bit%RotarySpeed/100.d0)**data%State%ROP_Spec%H1)*((data%State%ROP_Spec%wdmax-4.d0)/(data%State%ROP_Spec%wdmax-(data%State%ROP_Bit%WeightOnBit/data%State%ROP_Spec%DiameterOfBit)))*((1.d0+(data%State%ROP_Spec%H2/2.d0))/(1.d0+(data%State%ROP_Spec%H2*data%State%ROP_Bit%BitWearing))) ) else data%State%ROP_Bit%BitWearing = 1.0d0 !( Typical Range: 0<=data%State%ROP_Bit%BitWearing<=1 ) end if data%State%ROP_Bit%BearingWear = data%State%ROP_Bit%BearingWear+(data%State%ROP_Spec%dt/3600.d0)*(data%State%ROP_Bit%RotarySpeed/100.d0/data%State%ROP_Spec%BrCoef)*((data%State%ROP_Bit%WeightOnBit/4.d0/data%State%ROP_Spec%DiameterOfBit)**1.5d0) !print*, 'data%State%ROP_Bit%RateOfPenetration=', data%State%ROP_Bit%RateOfPenetration !!print*, 'data%State%ROP_Bit%FormationMudDensity=', data%State%ROP_Bit%FormationMudDensity !!print*, 'data%State%ROP_Bit%ECD=', data%State%ROP_Bit%ECD !!print*, 'data%State%ROP_Bit%DrillingVerticalDepth=', data%State%ROP_Bit%DrillingVerticalDepth !!print*, 'power=', (2.303*data%State%ROP_Spec%a4*data%State%ROP_Bit%DrillingVerticalDepth*(data%State%ROP_Bit%FormationMudDensity-data%State%ROP_Bit%ECD)) !print*, 'data%State%ROP_Bit%RotarySpeed=', data%State%ROP_Bit%RotarySpeed !! !print*, 'data%State%ROP_Spec%f1=', data%State%ROP_Spec%f1 !print*, 'data%State%ROP_Spec%f2=', data%State%ROP_Spec%f2 !print*, 'data%State%ROP_Spec%f3=', data%State%ROP_Spec%f3 !print*, 'data%State%ROP_Spec%f4=', data%State%ROP_Spec%f4 !print*, 'data%State%ROP_Spec%f5=', data%State%ROP_Spec%f5 !print*, 'data%State%ROP_Spec%f6=', data%State%ROP_Spec%f6 !print*, 'data%State%ROP_Spec%f7=', data%State%ROP_Spec%f7 !print*, 'data%State%ROP_Spec%f8=', data%State%ROP_Spec%f8 !print*, '***********************' end subroutine