subroutine Kick_Influx ! is called in subroutine CirculationCodeSelect Use GeoElements_FluidModule USE CMudPropertiesVariables USE MudSystemVARIABLES use SimulationVariables !@@@ use SimulationVariables use SimulationVariables !@ !use CTanks ! !@use ConfigurationVariables, TripTankVolume2 => data%Equipments%DrillingWatch%TripTankVolume, TripTankDensity2 => TripTankDensity USE sROP_Other_Variables USE sROP_Variables use KickVARIABLESModule implicit none !===========================================================WELL============================================================ !===========================================================WELL============================================================ !write(*,*) 'Kick Influx' !=================== Bottom Hole Kick Influx ENTRANCE(due to Kick) =================== data%State%MudSystem%Kick_Density= 2 data%State%MudSystem%NewInflux_Density= data%State%MudSystem%Kick_Density if ( data%State%MudSystem%NewInfluxElementCreated==0 ) then ! new kick is pumped- (it is set to zero in sheykh subroutine after a new kick influx) call data%State%MudSystem%Op_Density%AddToFirst (data%State%MudSystem%NewInflux_Density) call data%State%MudSystem%Op_MudDischarged_Volume%AddToFirst (0.0d0) call data%State%MudSystem%Op_Mud_Forehead_X%AddToFirst (data%State%MudSystem%Xstart_OpSection(1)) call data%State%MudSystem%Op_Mud_Forehead_section%AddToFirst (1) call data%State%MudSystem%Op_Mud_Backhead_X%AddToFirst (data%State%MudSystem%Xstart_OpSection(1)) call data%State%MudSystem%Op_Mud_Backhead_section%AddToFirst (1) call data%State%MudSystem%Op_RemainedVolume_in_LastSection%AddToFirst (0.0d0) call data%State%MudSystem%Op_EmptyVolume_inBackheadLocation%AddToFirst (0.0d0) call data%State%MudSystem%Op_MudOrKick%AddToFirst (data%State%MudSystem%NewInfluxNumber) ! KickNumber= NewInfluxNumber data%State%MudSystem%NewInfluxElementCreated= 1 endif data%State%MudSystem%Op_MudDischarged_Volume%Array(1)= data%State%MudSystem%Op_MudDischarged_Volume%Array(1)+ ((GasKickPumpFlowRate/60.0d0)*data%State%MudSystem%DeltaT_Mudline) !(gal) due to KickFlux !write(*,*) 'kick volume ok=' , Op_MudDischarged_Volume%Array(1) end subroutine Kick_Influx subroutine Instructor_CirculationMud_Edit ! is called in subroutine CirculationCodeSelect use KickVARIABLESModule USE MudSystemVARIABLES use SimulationVariables !@@@ USE TD_DrillStemComponents Use CUnityInputs Use CUnityOutputs use OperationScenariosModule use UTUBEVARSModule use sROP_Variables use sROP_Other_Variables use CDownHoleVariables implicit none if ( data%Equipments%DownHole%AnnDrillMud == .true. .and. (data%State%ROP_Bit%RateOfPenetration>0. .and. data%State%MudSystem%DeltaVolumeOp>0.0) ) then do imud= 1, data%State%MudSystem%Ann_Density%Length() if ( data%State%MudSystem%Ann_MudOrKick%Array(imud) == 0 ) then data%State%MudSystem%Ann_Density%Array(imud)= (data%State%MudSystem%St_Density%Last() * data%State%MudSystem%AnnulusFlowRate + 141.4296E-4*data%State%ROP_Bit%RateOfPenetration*data%State%ROP_Spec%DiameterOfBit**2)/(data%State%MudSystem%AnnulusFlowRate+6.7995E-4*data%State%ROP_Bit%RateOfPenetration*data%State%ROP_Spec%DiameterOfBit**2) data%State%MudSystem%Ann_CuttingMud%Array(imud)= 1 endif enddo endif if ( data%Equipments%DownHole%AnnCirculateMud == .true. ) then do imud= 1, data%State%MudSystem%Ann_Density%Length() if ( data%State%MudSystem%Ann_MudOrKick%Array(imud) == 0 ) then data%State%MudSystem%Ann_Density%Array(imud)= data%State%MudSystem%ActiveTankDensity data%State%MudSystem%Ann_CuttingMud%Array(imud)= 0 endif enddo do imud= 1, data%State%MudSystem%St_Density%Length() data%State%MudSystem%St_Density%Array(imud)= data%State%MudSystem%ActiveTankDensity enddo endif end subroutine Instructor_CirculationMud_Edit subroutine ShoeLostSub ! is called in subroutine CirculationCodeSelect use KickVARIABLESModule USE MudSystemVARIABLES use SimulationVariables !@@@ USE TD_DrillStemComponents Use CUnityInputs Use CUnityOutputs use OperationScenariosModule use UTUBEVARSModule use sROP_Variables use sROP_Other_Variables use CDownHoleVariables use CShoeVariables use PressureDisplayVARIABLESModule use CWarnings implicit none data%State%MudSystem%ShoeLost= .false. data%State%MudSystem%Kickexpansion_DueToMudLost= .false. data%State%MudSystem%ShoeMudPressure= data%State%PressureDisplay%PressureGauges(5) data%State%MudSystem%UGBOSuccessionCounter = data%State%MudSystem%UGBOSuccessionCounter + 1 !write(*,*) 'check point 1' if (data%Configuration%Shoe%InactiveFracture == .FALSE. .AND. ((data%State%MudSystem%ShoeMudPressure >= data%State%MudSystem%FormationLostPressure) .or. data%State%MudSystem%ShoeFractured )) then !write(*,*) 'check point 2 ,UGBOSuccessionCounter' , UGBOSuccessionCounter ! if ShoeFractured changed to true , then time counter is not needed more if ( data%State%MudSystem%UGBOSuccessionCounter /= data%State%MudSystem%UGBOSuccessionCounterOld+1 .and. data%State%MudSystem%ShoeFractured==.false. ) then data%State%MudSystem%UGBOSuccessionCounter = 0 ! also in starup data%State%MudSystem%UGBOSuccessionCounterOld = 0 ! also in starup return else data%State%MudSystem%UGBOSuccessionCounterOld= data%State%MudSystem%UGBOSuccessionCounter endif if ( data%State%MudSystem%UGBOSuccessionCounter < 10 .and. data%State%MudSystem%ShoeFractured==.false.) then return endif !write(*,*) 'check point 3 ,UGBOSuccessionCounter' , UGBOSuccessionCounter data%State%MudSystem%ShoeFractured= .true. data%State%MudSystem%ShoeMudViscosity= MAX(data%State%MudSystem%ShoeMudViscosity, 12.d0) !write(*,*) 'ShoeMudDensity , ShoeMudViscosity' , ShoeMudDensity , ShoeMudViscosity data%State%MudSystem%ShoeLostCoef = 10.**(-8) * 1.15741d0 * 7.08d0 * 1000000.d0 * 1.d0 * data%State%MudSystem%ShoeMudDensity / & (data%State%MudSystem%ShoeMudViscosity * LOG(10000.d0)) !write(*,*) 'lost parameters 1' , ShoeMudPressure , FormationLostPressure data%State%MudSystem%Qlost = MAX( (data%State%MudSystem%ShoeLostCoef * (data%State%MudSystem%ShoeMudPressure - (data%State%MudSystem%FormationLostPressure/2.0))) , 0.d0 ) if (data%State%MudSystem%Qlost > 0.0) then data%State%MudSystem%ShoeLost= .true. else data%State%MudSystem%ShoeLost= .false. endif !write(*,*) 'Qlost=' , Qlost, ShoeMudPressure, FormationLostPressure call Activate_UndergroundBlowout() do imud= 1, data%State%MudSystem%Ann_Mud_Forehead_X%Length() IF ( data%State%MudSystem%ShoeLost .and. data%Configuration%Shoe%ShoeDepth < data%State%MudSystem%Ann_Mud_Backhead_X%Array(imud) .and. data%Configuration%Shoe%ShoeDepth >= data%State%MudSystem%Ann_Mud_Forehead_X%Array(imud) & .and. data%State%MudSystem%Ann_MudOrKick%Array(imud) == 0 .and. data%State%MudSystem%WellHeadIsOpen == .FALSE. ) then data%State%MudSystem%Kickexpansion_DueToMudLost= .true. write(*,*) 'Kickexpansion_DueToMudLost' EXIT ENDIF enddo endif if (data%Warnings%UndergroundBlowout == .false.) data%State%MudSystem%ShoeLost= .false. end subroutine ShoeLostSub