SUBROUTINE Utube1_and_TripIn ! is called in subroutine CirculationCodeSelect string to annulus Use UTUBEVARS Use GeoElements_FluidModule USE CMudPropertiesVariables USE MudSystemVARIABLES USE Pumps_VARIABLES USE sROP_Variables use CDrillWatchVariables !use CTanksVariables, TripTankVolume2 => DrillingWatch%TripTankVolume, TripTankDensity2 => TripTankDensity Use CShoeVariables Use CUnityOutputs implicit none write(*,*) 'Utube1 code' !===========================================================WELL============================================================ !===========================================================WELL============================================================ MudSystem%UtubeMode1Activated= .true. !write(*,*) 'QUTubeInput=' , QUTubeInput !Qinput=5000. MudSystem%StringFlowRate= QUTubeInput ! (gpm) MudSystem%AnnulusFlowRate= QUTubeInput MudSystem%StringFlowRateFinal= MudSystem%StringFlowRate MudSystem%AnnulusFlowRateFinal= MudSystem%AnnulusFlowRate !=========================================== if (MudSystem%FirstSetUtube1==0) then ! call St_MudDischarged_Volume%AddToFirst (REAL(sum(F_Interval(1:F_StringIntervalCounts)%Volume))) !startup initial ! call St_Mud_Backhead_X%AddToFirst (Xstart_PipeSection(1)) ! call St_Mud_Backhead_section%AddToFirst (1) ! call St_Mud_Forehead_X%AddToFirst (Xend_PipeSection(F_StringIntervalCounts)) ! call St_Mud_Forehead_section%AddToFirst (F_StringIntervalCounts) ! call MudSystem%St_Density%AddToFirst (REAL(ActiveDensity)) ! initial(ppg) ! call St_RemainedVolume_in_LastSection%AddToFirst (0.0d0) ! call St_EmptyVolume_inBackheadLocation%AddToFirst (0.0d0) ! ! call Ann_MudDischarged_Volume%AddToFirst (REAL(sum(F_Interval((F_StringIntervalCounts+F_BottomHoleIntervalCounts+1):F_IntervalsTotalCounts)%Volume))) !startup initial ! call Ann_Mud_Backhead_X%AddToFirst (Xstart_PipeSection(F_StringIntervalCounts+1)) ! call Ann_Mud_Backhead_section%AddToFirst (F_StringIntervalCounts+1) ! call Ann_Mud_Forehead_X%AddToFirst (Xend_PipeSection(NoPipeSections)) ! call Ann_Mud_Forehead_section%AddToFirst (NoPipeSections) ! call Ann_Density%AddToFirst (REAL(ActiveDensity)) ! initial(ppg) ! call Ann_RemainedVolume_in_LastSection%AddToFirst (0.0d0) ! call Ann_EmptyVolume_inBackheadLocation%AddToFirst (0.0d0) !Hz_Density%Array(:)= 0.0 !commented !Hz_MudOrKick%Array(:)= 104 !commented MudSystem%Hz_Density_Utube= 0.0 MudSystem%Hz_MudOrKick_Utube= 104 MudSystem%FirstSetUtube1= 1 endif !========================Horizontal PIPE ENTRANCE================= !if (SuctionDensity_Old >= (ActiveDensity+0.05) .or. SuctionDensity_Old <= (ActiveDensity-0.05)) then ! new mud is pumped ! !ImudCount= ImudCount+1 ! !SuctionMud= ImudCount ! call Hz_Density%AddToFirst (REAL(ActiveDensity)) !ActiveDensity : badan in moteghayer bayad avaz beshe ! call Hz_MudDischarged_Volume%AddToFirst (0.0d0) ! call Hz_Mud_Forehead_X%AddToFirst (Xstart_PipeSection(1)) ! call Hz_Mud_Forehead_section%AddToFirst (1) ! call Hz_Mud_Backhead_X%AddToFirst (Xstart_PipeSection(1)) ! call Hz_Mud_Backhead_section%AddToFirst (1) ! call Hz_RemainedVolume_in_LastSection%AddToFirst (0.0d0) ! call Hz_EmptyVolume_inBackheadLocation%AddToFirst (0.0d0) ! call Hz_MudOrKick%AddToFirst (0) ! ! SuctionDensity_Old= ActiveDensity !endif !========================Horizontal PIPE STRING================= !commented ! Hz_MudDischarged_Volume%Array(1)= Hz_MudDischarged_Volume%Array(1)+ ((MudSystem%StringFlowRate/60.)*DeltaT_Mudline) !(gal) ! !imud=0 ! do while (imud < Hz_Mud_Forehead_X%Length()) ! imud = imud + 1 ! ! if (imud> 1) then ! Hz_Mud_Backhead_X%Array(imud)= Hz_Mud_Forehead_X%Array(imud-1) ! Hz_Mud_Backhead_section%Array(imud)= Hz_Mud_Forehead_section%Array(imud-1) ! endif ! ! ! DirectionCoef= (Xend_PipeSection(Hz_Mud_Backhead_section%Array(imud))-Xstart_PipeSection(Hz_Mud_Backhead_section%Array(imud))) & ! / ABS(Xend_PipeSection(Hz_Mud_Backhead_section%Array(imud))-Xstart_PipeSection(Hz_Mud_Backhead_section%Array(imud))) ! ! +1 for string , -1 for annulus ! ! ! Hz_EmptyVolume_inBackheadLocation%Array(imud)= DirectionCoef* (Xend_PipeSection(Hz_Mud_Backhead_section%Array(imud))- Hz_Mud_Backhead_X%Array(imud))* & ! Area_PipeSectionFt(Hz_Mud_Backhead_section%Array(imud)) !(ft^3) ! Hz_EmptyVolume_inBackheadLocation%Array(imud)= Hz_EmptyVolume_inBackheadLocation%Array(imud)* 7.48051948 ! ft^3 to gal ! ! ! if ( Hz_MudDischarged_Volume%Array(imud) <= Hz_EmptyVolume_inBackheadLocation%Array(imud)) then ! Hz_Mud_Forehead_section%Array(imud)= Hz_Mud_Backhead_section%Array(imud) ! Hz_Mud_Forehead_X%Array(imud)= Hz_Mud_Backhead_X%Array(imud)+ DirectionCoef*(Hz_MudDischarged_Volume%Array(imud)/7.48051948)/Area_PipeSectionFt(Hz_Mud_Backhead_section%Array(imud)) ! ! 7.48 is for gal to ft^3 ! else ! ! isection= Hz_Mud_Backhead_section%Array(imud)+1 ! Hz_RemainedVolume_in_LastSection%Array(imud)= Hz_MudDischarged_Volume%Array(imud)- Hz_EmptyVolume_inBackheadLocation%Array(imud) ! ! do ! if (isection > 1) then ! (horizontal pipe exit) ! Hz_MudDischarged_Volume%Array(imud)= Hz_MudDischarged_Volume%Array(imud)- Hz_RemainedVolume_in_LastSection%Array(imud) ! Hz_Mud_Forehead_X%Array(imud)= Xend_PipeSection(1) ! Hz_Mud_Forehead_section%Array(imud)= 1 ! if (Hz_MudDischarged_Volume%Array(imud)<= 0.0d0) then ! imud is completely exited form the string ! call Hz_MudDischarged_Volume%Remove (imud) ! call Hz_Mud_Backhead_X%Remove (imud) ! call Hz_Mud_Backhead_section%Remove (imud) ! call Hz_Mud_Forehead_X%Remove (imud) ! call Hz_Mud_Forehead_section%Remove (imud) ! call Hz_Density%Remove (imud) ! call Hz_RemainedVolume_in_LastSection%Remove (imud) ! call Hz_EmptyVolume_inBackheadLocation%Remove (imud) ! call Hz_MudOrKick%Remove (imud) ! ! endif ! exit ! endif ! ! xx= Hz_RemainedVolume_in_LastSection%Array(imud)/ PipeSection_VolumeCapacity(isection) !(gal) ! ! if (xx<= 1.0) then ! Hz_Mud_Forehead_section%Array(imud)= isection ! Hz_Mud_Forehead_X%Array(imud)= (xx * (Xend_PipeSection(isection)- Xstart_PipeSection(isection)))+ Xstart_PipeSection(isection) ! exit ! else ! Hz_RemainedVolume_in_LastSection%Array(imud)= Hz_RemainedVolume_in_LastSection%Array(imud)- PipeSection_VolumeCapacity(isection) ! isection= isection+ 1 ! ! ! endif ! ! enddo ! ! endif ! ! enddo !commented !========================Horizontal PIPE END================= !========================STRING ENTRANCE================= !write(*,*) 'a) MudSystem%St_Density%Length()=' , MudSystem%St_Density%Length() if (ABS(MudSystem%St_Density%First() - MudSystem%Hz_Density_Utube) >= MudSystem%DensityMixTol) then ! new mud is pumped call MudSystem%St_Density%AddToFirst (MudSystem%Hz_Density_Utube) call MudSystem%St_MudDischarged_Volume%AddToFirst (0.0d0) call MudSystem%St_Mud_Forehead_X%AddToFirst (MudSystem%Xstart_PipeSection(2)) call MudSystem%St_Mud_Forehead_section%AddToFirst (2) call MudSystem%St_Mud_Backhead_X%AddToFirst (MudSystem%Xstart_PipeSection(2)) call MudSystem%St_Mud_Backhead_section%AddToFirst (2) call MudSystem%St_RemainedVolume_in_LastSection%AddToFirst (0.0d0) call MudSystem%St_EmptyVolume_inBackheadLocation%AddToFirst (0.0d0) call MudSystem%St_MudOrKick%AddToFirst (MudSystem%Hz_MudOrKick_Utube) ! Hz_MudOrKick%Last() = 104 !StringDensity_Old= Hz_Density_Utube endif !write(*,*) 'b) MudSystem%St_Density%Length()=' , MudSystem%St_Density%Length() !write(*,*) 'b) MudSystem%St_Density%Array(1)=' , MudSystem%St_Density%Array(1) !write(*,*) 'b) St_MudOrKick%Array(1)=' , St_MudOrKick%Array(1) !========================STRING================= !WRITE (*,*) 'Utube1 MudSystem%StringFlowRate', MudSystem%StringFlowRate MudSystem%St_MudDischarged_Volume%Array(1)= MudSystem%St_MudDischarged_Volume%Array(1)+ ((MudSystem%StringFlowRate/60.d0)*MudSystem%DeltaT_Mudline) !(gal) imud=0 do while (imud < MudSystem%St_Mud_Forehead_X%Length()) imud = imud + 1 if (imud> 1) then MudSystem%St_Mud_Backhead_X%Array(imud)= MudSystem%St_Mud_Forehead_X%Array(imud-1) MudSystem%St_Mud_Backhead_section%Array(imud)= MudSystem%St_Mud_Forehead_section%Array(imud-1) endif MudSystem%DirectionCoef= (MudSystem%Xend_PipeSection(MudSystem%St_Mud_Backhead_section%Array(imud))-MudSystem%Xstart_PipeSection(MudSystem%St_Mud_Backhead_section%Array(imud))) & / ABS(MudSystem%Xend_PipeSection(MudSystem%St_Mud_Backhead_section%Array(imud))-MudSystem%Xstart_PipeSection(MudSystem%St_Mud_Backhead_section%Array(imud))) ! +1 for string , -1 for annulus MudSystem%St_EmptyVolume_inBackheadLocation%Array(imud)= MudSystem%DirectionCoef* (MudSystem%Xend_PipeSection(MudSystem%St_Mud_Backhead_section%Array(imud))- MudSystem%St_Mud_Backhead_X%Array(imud))* & MudSystem%Area_PipeSectionFt(MudSystem%St_Mud_Backhead_section%Array(imud)) !(ft^3) MudSystem%St_EmptyVolume_inBackheadLocation%Array(imud)= MudSystem%St_EmptyVolume_inBackheadLocation%Array(imud)* 7.48051948d0 ! ft^3 to gal if ( MudSystem%St_MudDischarged_Volume%Array(imud) <= MudSystem%St_EmptyVolume_inBackheadLocation%Array(imud)) then MudSystem%St_Mud_Forehead_section%Array(imud)= MudSystem%St_Mud_Backhead_section%Array(imud) MudSystem%St_Mud_Forehead_X%Array(imud)= MudSystem%St_Mud_Backhead_X%Array(imud)+ MudSystem%DirectionCoef*(MudSystem%St_MudDischarged_Volume%Array(imud)/7.48051948d0)/MudSystem%Area_PipeSectionFt(MudSystem%St_Mud_Backhead_section%Array(imud)) ! 7.48 is for gal to ft^3 else MudSystem%isection= MudSystem%St_Mud_Backhead_section%Array(imud)+1 MudSystem%St_RemainedVolume_in_LastSection%Array(imud)= MudSystem%St_MudDischarged_Volume%Array(imud)- MudSystem%St_EmptyVolume_inBackheadLocation%Array(imud) do if (MudSystem%isection > F_Counts%StringIntervalCounts) then ! last pipe section(string exit) F_Counts%StringIntervalCounts includes Horizontal line MudSystem%St_MudDischarged_Volume%Array(imud)= MudSystem%St_MudDischarged_Volume%Array(imud)- MudSystem%St_RemainedVolume_in_LastSection%Array(imud) MudSystem%St_Mud_Forehead_X%Array(imud)= MudSystem%Xend_PipeSection(F_Counts%StringIntervalCounts) MudSystem%St_Mud_Forehead_section%Array(imud)= F_Counts%StringIntervalCounts if (MudSystem%St_MudDischarged_Volume%Array(imud)<= 0.0d0) then ! imud is completely exited form the string call RemoveStringMudArrays(imud) endif exit endif MudSystem%xx= MudSystem%St_RemainedVolume_in_LastSection%Array(imud)/ MudSystem%PipeSection_VolumeCapacity(MudSystem%isection) !(gal) if (MudSystem%xx<= 1.0) then MudSystem%St_Mud_Forehead_section%Array(imud)= MudSystem%isection MudSystem%St_Mud_Forehead_X%Array(imud)= (MudSystem%xx * (MudSystem%Xend_PipeSection(MudSystem%isection)- MudSystem%Xstart_PipeSection(MudSystem%isection)))+ MudSystem%Xstart_PipeSection(MudSystem%isection) exit else MudSystem%St_RemainedVolume_in_LastSection%Array(imud)= MudSystem%St_RemainedVolume_in_LastSection%Array(imud)- MudSystem%PipeSection_VolumeCapacity(MudSystem%isection) MudSystem%isection= MudSystem%isection+ 1 endif enddo endif enddo !========================STRING END================= !========================== tripping in for OP remove =============================== !if (DeltaVolumeOp>0. .and. DeltaVolumeOp< Op_MudDischarged_Volume%Last()) then ! Op_MudDischarged_Volume%Array(Op_MudDischarged_Volume%Length())= Op_MudDischarged_Volume%Array(Op_MudDischarged_Volume%Length()) - DeltaVolumeOp !else ! Op_MudDischarged_Volume%Array(Op_MudDischarged_Volume%Length()-1)= Op_MudDischarged_Volume%Array(Op_MudDischarged_Volume%Length()-1) - (DeltaVolumeOp-Op_MudDischarged_Volume%Last()) ! ! call Op_MudDischarged_Volume%Remove (Op_MudDischarged_Volume%Length()) ! call Op_Mud_Backhead_X%Remove (Op_MudDischarged_Volume%Length()) ! call Op_Mud_Backhead_section%Remove (Op_MudDischarged_Volume%Length()) ! call Op_Mud_Forehead_X%Remove (Op_MudDischarged_Volume%Length()) ! call Op_Mud_Forehead_section%Remove (Op_MudDischarged_Volume%Length()) ! call Op_Density%Remove (Op_MudDischarged_Volume%Length()) ! call Op_RemainedVolume_in_LastSection%Remove (Op_MudDischarged_Volume%Length()) ! call Op_EmptyVolume_inBackheadLocation%Remove (Op_MudDischarged_Volume%Length()) ! call Op_MudOrKick%Remove (Op_MudDischarged_Volume%Length()) !endif ! !============================= Bottom Hole ============================== !Op_MudDischarged_Volume%Array(1)= Op_MudDischarged_Volume%Array(1)+ ((GasKickPumpFlowRate/60.)*DeltaT_Mudline) !(gal) due to KickFlux imud=0 do while (imud < MudSystem%Op_Mud_Forehead_X%Length()) imud = imud + 1 if (imud> 1) then MudSystem%Op_Mud_Backhead_X%Array(imud)= MudSystem%Op_Mud_Forehead_X%Array(imud-1) MudSystem%Op_Mud_Backhead_section%Array(imud)= MudSystem%Op_Mud_Forehead_section%Array(imud-1) endif MudSystem%DirectionCoef= (MudSystem%Xend_OpSection(MudSystem%Op_Mud_Backhead_section%Array(imud))-MudSystem%Xstart_OpSection(MudSystem%Op_Mud_Backhead_section%Array(imud))) & / ABS(MudSystem%Xend_OpSection(MudSystem%Op_Mud_Backhead_section%Array(imud))-MudSystem%Xstart_OpSection(MudSystem%Op_Mud_Backhead_section%Array(imud))) ! +1 for string , -1 for annulus MudSystem%Op_EmptyVolume_inBackheadLocation%Array(imud)= MudSystem%DirectionCoef* (MudSystem%Xend_OpSection(MudSystem%Op_Mud_Backhead_section%Array(imud))- MudSystem%Op_Mud_Backhead_X%Array(imud))* & MudSystem%Area_OpSectionFt(MudSystem%Op_Mud_Backhead_section%Array(imud)) !(ft^3) MudSystem%Op_EmptyVolume_inBackheadLocation%Array(imud)= MudSystem%Op_EmptyVolume_inBackheadLocation%Array(imud)* 7.48051948d0 ! ft^3 to gal if ( MudSystem%Op_MudDischarged_Volume%Array(imud) <= MudSystem%Op_EmptyVolume_inBackheadLocation%Array(imud)) then MudSystem%Op_Mud_Forehead_section%Array(imud)= MudSystem%Op_Mud_Backhead_section%Array(imud) MudSystem%Op_Mud_Forehead_X%Array(imud)= MudSystem%Op_Mud_Backhead_X%Array(imud)+ MudSystem%DirectionCoef*(MudSystem%Op_MudDischarged_Volume%Array(imud)/7.48051948d0)/MudSystem%Area_OpSectionFt(MudSystem%Op_Mud_Backhead_section%Array(imud)) ! 7.48 is for gal to ft^3 else MudSystem%isection= MudSystem%Op_Mud_Backhead_section%Array(imud)+1 MudSystem%Op_RemainedVolume_in_LastSection%Array(imud)= MudSystem%Op_MudDischarged_Volume%Array(imud)- MudSystem%Op_EmptyVolume_inBackheadLocation%Array(imud) do if (MudSystem%isection > F_Counts%BottomHoleIntervalCounts) then ! last pipe section(well exit) if( imud==1) MudSystem%KickDeltaVinAnnulus= MudSystem%Op_RemainedVolume_in_LastSection%Array(imud) ! Kick enters Annulus space MudSystem%Op_MudDischarged_Volume%Array(imud)= MudSystem%Op_MudDischarged_Volume%Array(imud)- MudSystem%Op_RemainedVolume_in_LastSection%Array(imud) MudSystem%Op_Mud_Forehead_X%Array(imud)= MudSystem%Xend_OpSection(F_Counts%BottomHoleIntervalCounts) MudSystem%Op_Mud_Forehead_section%Array(imud)= F_Counts%BottomHoleIntervalCounts if (MudSystem%Op_MudDischarged_Volume%Array(imud)<= 0.0d0) then ! imud is completely exited form the well call RemoveOpMudArrays(imud) endif exit endif MudSystem%xx= MudSystem%Op_RemainedVolume_in_LastSection%Array(imud)/ MudSystem%OpSection_VolumeCapacity(MudSystem%isection) !(gal) if (MudSystem%xx<= 1.0) then MudSystem%Op_Mud_Forehead_section%Array(imud)= MudSystem%isection MudSystem%Op_Mud_Forehead_X%Array(imud)= (MudSystem%xx * (MudSystem%Xend_OpSection(MudSystem%isection)- MudSystem%Xstart_OpSection(MudSystem%isection)))+ MudSystem%Xstart_OpSection(MudSystem%isection) exit else MudSystem%Op_RemainedVolume_in_LastSection%Array(imud)= MudSystem%Op_RemainedVolume_in_LastSection%Array(imud)- MudSystem%OpSection_VolumeCapacity(MudSystem%isection) MudSystem%isection= MudSystem%isection+ 1 endif enddo endif if (MudSystem%Op_Mud_Forehead_X%Array(imud)== MudSystem%Xend_OpSection(F_Counts%BottomHoleIntervalCounts)) then MudSystem%totalLength = MudSystem%Op_MudDischarged_Volume%Length() do while(imud < MudSystem%totalLength) !imud = imud + 1 call RemoveOpMudArrays(MudSystem%totalLength) MudSystem%totalLength = MudSystem%totalLength - 1 enddo exit ! endif !WRITE(*,*) imud,'Op_MudDischarged_Volume%Array(imud)' , Op_MudDischarged_Volume%Array(imud), Op_Density%Array(imud) enddo !write(*,*) 'Op_Mud_Forehead_X%Length()' , Op_Mud_Forehead_X%Length() ! ! WRITE(*,*) 'Xend_PipeSection(F_StringIntervalCounts)' , Xend_PipeSection(F_StringIntervalCounts) ! WRITE(*,*) 'Op_Mud_Backhead_X%Array(1)' , Op_Mud_Backhead_X%Array(1) ! WRITE(*,*) 'Op_Mud_Forehead_X%Array(1)' , Op_Mud_Forehead_X%Array(1) ! WRITE(*,*) 'Op_Mud_Backhead_X%Array(2)' , Op_Mud_Backhead_X%Array(2) ! WRITE(*,*) 'Op_Mud_Forehead_X%Array(2)' , Op_Mud_Forehead_X%Array(2) !========================Bottom Hole END================= if (MudSystem%iLoc == 1) then MudSystem%MudSection= F_Counts%StringIntervalCounts+1 MudSystem%BackheadX= MudSystem%Xstart_PipeSection(F_Counts%StringIntervalCounts+1) elseif (MudSystem%iLoc == 2) then MudSystem%MudSection= MudSystem%Kick_Forehead_section MudSystem%BackheadX= MudSystem%Kick_Forehead_X endif !========================ANNULUS ENTRANCE==================== !write(*,*) 'iloc=====' , iLoc if ((ABS(MudSystem%AnnulusSuctionDensity_Old - MudSystem%St_Density%Last()) >= MudSystem%DensityMixTol) .OR. (MudSystem%DeltaVolumeOp == 0.0 .and. ABS(MudSystem%Ann_Density%Array(MudSystem%iLoc)-MudSystem%St_Density%Last())>=MudSystem%DensityMixTol .and. MudSystem%AnnulusFlowRate/=0.0d0) ) then ! new mud is pumped call MudSystem%Ann_Density%AddTo (MudSystem%iLoc,MudSystem%St_Density%Last()) call MudSystem%Ann_MudDischarged_Volume%AddTo (MudSystem%iLoc,0.0d0) call MudSystem%Ann_Mud_Forehead_X%AddTo (MudSystem%iLoc,MudSystem%BackheadX) call MudSystem%Ann_Mud_Forehead_section%AddTo (MudSystem%iLoc,MudSystem%MudSection) call MudSystem%Ann_Mud_Backhead_X%AddTo (MudSystem%iLoc,MudSystem%BackheadX) call MudSystem%Ann_Mud_Backhead_section%AddTo (MudSystem%iLoc,MudSystem%MudSection) call MudSystem%Ann_RemainedVolume_in_LastSection%AddTo (MudSystem%iLoc,0.0d0) call MudSystem%Ann_EmptyVolume_inBackheadLocation%AddTo (MudSystem%iLoc,0.0d0) call MudSystem%Ann_MudOrKick%AddTo (MudSystem%iLoc,0) call MudSystem%Ann_CuttingMud%AddTo (MudSystem%iLoc,0) MudSystem%AnnulusSuctionDensity_Old= MudSystem%St_Density%Last() MudSystem%MudIsChanged= .true. endif MudSystem%Ann_MudDischarged_Volume%Array(MudSystem%iLoc)= MudSystem%Ann_MudDischarged_Volume%Array(MudSystem%iLoc)+ ((MudSystem%AnnulusFlowRate/60.0d0)*MudSystem%DeltaT_Mudline) !(gal) !========================Tripping In==================== !write(*,*) 'DeltaVolumeOp=' , DeltaVolumeOp if (MudSystem%DeltaVolumeOp > 0.0 .and. MudSystem%MudIsChanged== .false.) then !.and. DrillingMode== .false.) then ! trip in mode(loole paeen) !write(*,*) 'Tripping In' MudSystem%NewDensity= (MudSystem%St_Density%Last()*((MudSystem%AnnulusFlowRate/60.)*MudSystem%DeltaT_Mudline)+MudSystem%Op_Density%Last()*MudSystem%DeltaVolumeOp)/(((MudSystem%AnnulusFlowRate/60.0d0)*MudSystem%DeltaT_Mudline)+MudSystem%DeltaVolumeOp) MudSystem%NewVolume= ((MudSystem%AnnulusFlowRate/60.)*MudSystem%DeltaT_Mudline)+MudSystem%DeltaVolumeOp !write(*,*) 'Ann_MudDischarged_Volume%Array(1)=', Ann_MudDischarged_Volume%Array(1), 'NewVolume=', NewVolume if (abs(MudSystem%Ann_Density%Array(MudSystem%iLoc)-MudSystem%NewDensity)< MudSystem%DensityMixTol) then ! 1-Pockets are Merged - (ROP is 0) MudSystem%Ann_Density%Array(MudSystem%iLoc)= (MudSystem%Ann_Density%Array(MudSystem%iLoc)*MudSystem%Ann_MudDischarged_Volume%Array(MudSystem%iLoc)+MudSystem%NewDensity*MudSystem%NewVolume)/(MudSystem%Ann_MudDischarged_Volume%Array(MudSystem%iLoc)+MudSystem%NewVolume) MudSystem%Ann_MudDischarged_Volume%Array(MudSystem%iLoc)= MudSystem%Ann_MudDischarged_Volume%Array(MudSystem%iLoc)+MudSystem%DeltaVolumeOp MudSystem%Ann_Mud_Forehead_X%Array(MudSystem%iLoc)= MudSystem%BackheadX MudSystem%Ann_Mud_Forehead_section%Array(MudSystem%iLoc)= MudSystem%MudSection MudSystem%Ann_Mud_Backhead_X%Array(MudSystem%iLoc)= MudSystem%BackheadX MudSystem%Ann_Mud_Backhead_section%Array(MudSystem%iLoc)= MudSystem%MudSection MudSystem%Ann_RemainedVolume_in_LastSection%Array(MudSystem%iLoc)= (0.0d0) MudSystem%Ann_EmptyVolume_inBackheadLocation%Array(MudSystem%iLoc)= (0.0d0) else ! 2-Merging conditions are not meeted, so new pocket call MudSystem%Ann_Density%AddTo (MudSystem%iLoc,MudSystem%NewDensity) call MudSystem%Ann_MudDischarged_Volume%AddTo (MudSystem%iLoc,MudSystem%NewVolume) call MudSystem%Ann_Mud_Forehead_X%AddTo (MudSystem%iLoc,MudSystem%BackheadX) call MudSystem%Ann_Mud_Forehead_section%AddTo (MudSystem%iLoc,MudSystem%MudSection) call MudSystem%Ann_Mud_Backhead_X%AddTo (MudSystem%iLoc,MudSystem%BackheadX) call MudSystem%Ann_Mud_Backhead_section%AddTo (MudSystem%iLoc,MudSystem%MudSection) call MudSystem%Ann_RemainedVolume_in_LastSection%AddTo (MudSystem%iLoc,0.0d0) call MudSystem%Ann_EmptyVolume_inBackheadLocation%AddTo (MudSystem%iLoc,0.0d0) call MudSystem%Ann_MudOrKick%AddTo (MudSystem%iLoc,0) call MudSystem%Ann_CuttingMud%AddTo (MudSystem%iLoc,0) endif elseif (MudSystem%DeltaVolumeOp > 0.0 .and. MudSystem%MudIsChanged== .true. .and. ROP_Bit%RateOfPenetration==0.) then MudSystem%Ann_Density%Array(MudSystem%iLoc)= MudSystem%NewDensity MudSystem%Ann_MudDischarged_Volume%Array(MudSystem%iLoc)= MudSystem%NewVolume MudSystem%Ann_Mud_Forehead_X%Array(MudSystem%iLoc)= MudSystem%BackheadX MudSystem%Ann_Mud_Forehead_section%Array(MudSystem%iLoc)= MudSystem%MudSection MudSystem%Ann_Mud_Backhead_X%Array(MudSystem%iLoc)= MudSystem%BackheadX MudSystem%Ann_Mud_Backhead_section%Array(MudSystem%iLoc)= MudSystem%MudSection MudSystem%Ann_RemainedVolume_in_LastSection%Array(MudSystem%iLoc)= (0.0d0) MudSystem%Ann_EmptyVolume_inBackheadLocation%Array(MudSystem%iLoc)= (0.0d0) endif !========================Tripping In - End==================== !======================== ANNULUS ==================== MudSystem%MudIsChanged= .false. imud= 0 do while (imud < MudSystem%Ann_Mud_Forehead_X%Length()) imud = imud + 1 if (imud> 1) then MudSystem%Ann_Mud_Backhead_X%Array(imud)= MudSystem%Ann_Mud_Forehead_X%Array(imud-1) MudSystem%Ann_Mud_Backhead_section%Array(imud)= MudSystem%Ann_Mud_Forehead_section%Array(imud-1) endif ! <<< Fracture Shoe Lost IF ( MudSystem%ShoeLost .and. MudSystem%LostInTripOutIsDone== .false. .and. Shoe%ShoeDepth < MudSystem%Ann_Mud_Backhead_X%Array(imud) .and. Shoe%ShoeDepth >= MudSystem%Ann_Mud_Forehead_X%Array(imud) ) then !write(*,*) 'ShoeLost imud,AnnVolume(imud), VolumeLost:' , imud,Ann_MudDischarged_Volume%Array(imud), (( Qlost/60.0d0)*DeltaT_Mudline) MudSystem%Ann_MudDischarged_Volume%Array(imud)= MudSystem%Ann_MudDischarged_Volume%Array(imud)-((MudSystem%Qlost/60.0d0)*MudSystem%DeltaT_Mudline) !(gal) if (MudSystem%Ann_MudDischarged_Volume%Array(imud) < 0.0) then !write(*,*) 'mud is removed by shoe lost, imud=' , imud call RemoveAnnulusMudArrays(imud) imud= imud-1 cycle endif ENDIF ! Fracture Shoe Lost >>> MudSystem%DirectionCoef= (MudSystem%Xend_PipeSection(MudSystem%Ann_Mud_Backhead_section%Array(imud))-MudSystem%Xstart_PipeSection(MudSystem%Ann_Mud_Backhead_section%Array(imud))) & / ABS(MudSystem%Xend_PipeSection(MudSystem%Ann_Mud_Backhead_section%Array(imud))-MudSystem%Xstart_PipeSection(MudSystem%Ann_Mud_Backhead_section%Array(imud))) ! +1 for string , -1 for annulus MudSystem%Ann_EmptyVolume_inBackheadLocation%Array(imud)= MudSystem%DirectionCoef* (MudSystem%Xend_PipeSection(MudSystem%Ann_Mud_Backhead_section%Array(imud))- MudSystem%Ann_Mud_Backhead_X%Array(imud))* & MudSystem%Area_PipeSectionFt(MudSystem%Ann_Mud_Backhead_section%Array(imud)) !(ft^3) MudSystem%Ann_EmptyVolume_inBackheadLocation%Array(imud)= MudSystem%Ann_EmptyVolume_inBackheadLocation%Array(imud)* 7.48051948d0 ! ft^3 to gal if ( MudSystem%Ann_MudDischarged_Volume%Array(imud) <= MudSystem%Ann_EmptyVolume_inBackheadLocation%Array(imud)) then MudSystem%Ann_Mud_Forehead_section%Array(imud)= MudSystem%Ann_Mud_Backhead_section%Array(imud) MudSystem%Ann_Mud_Forehead_X%Array(imud)= MudSystem%Ann_Mud_Backhead_X%Array(imud)+ MudSystem%DirectionCoef*(MudSystem%Ann_MudDischarged_Volume%Array(imud)/7.48051948d0)/MudSystem%Area_PipeSectionFt(MudSystem%Ann_Mud_Backhead_section%Array(imud)) ! 7.48 is for gal to ft^3 else MudSystem%isection= MudSystem%Ann_Mud_Backhead_section%Array(imud)+1 MudSystem%Ann_RemainedVolume_in_LastSection%Array(imud)= MudSystem%Ann_MudDischarged_Volume%Array(imud)- MudSystem%Ann_EmptyVolume_inBackheadLocation%Array(imud) do if (MudSystem%isection > MudSystem%NoPipeSections) then ! last pipe section(well exit) MudSystem%Ann_MudDischarged_Volume%Array(imud)= MudSystem%Ann_MudDischarged_Volume%Array(imud)- MudSystem%Ann_RemainedVolume_in_LastSection%Array(imud) MudSystem%Ann_Mud_Forehead_X%Array(imud)= MudSystem%Xend_PipeSection(MudSystem%NoPipeSections) MudSystem%Ann_Mud_Forehead_section%Array(imud)= MudSystem%NoPipeSections if (MudSystem%Ann_MudDischarged_Volume%Array(imud)<= 0.0d0) then ! imud is completely exited form the well call RemoveAnnulusMudArrays(imud) endif exit endif MudSystem%xx= MudSystem%Ann_RemainedVolume_in_LastSection%Array(imud)/ MudSystem%PipeSection_VolumeCapacity(MudSystem%isection) !(gal) if (MudSystem%xx<= 1.0) then MudSystem%Ann_Mud_Forehead_section%Array(imud)= MudSystem%isection MudSystem%Ann_Mud_Forehead_X%Array(imud)= (MudSystem%xx * (MudSystem%Xend_PipeSection(MudSystem%isection)- MudSystem%Xstart_PipeSection(MudSystem%isection)))+ MudSystem%Xstart_PipeSection(MudSystem%isection) exit else MudSystem%Ann_RemainedVolume_in_LastSection%Array(imud)= MudSystem%Ann_RemainedVolume_in_LastSection%Array(imud)- MudSystem%PipeSection_VolumeCapacity(MudSystem%isection) MudSystem%isection= MudSystem%isection+ 1 endif enddo endif enddo !========================ANNULUS END================= !if ( WellisNOTFull == .false. ) then ! write(*,*) 'MudSystem%AnnulusFlowRate==' , MudSystem%AnnulusFlowRate ! call Set_FlowRate(real(100.*min(MudSystem%AnnulusFlowRate,PedalMeter)/(PedalMeter/10.), 8)) ! ! !endif end subroutine Utube1_and_TripIn