subroutine TripOut_and_Pump ! is called in subroutine CirculationCodeSelect Use GeoElements_FluidModule USE CMudPropertiesVariables USE MudSystemVARIABLES USE Pumps_VARIABLES !USE CHOKEVARIABLES !USE CDataDisplayConsoleVariables , StandPipePressureDataDisplay=>StandPipePressure !use CManifolds use CDrillWatchVariables !use CHOKEVARIABLES !use CChokeManifoldVariables !use CTanksVariables, TripTankVolume2 => DrillingWatch%TripTankVolume, TripTankDensity2 => TripTankDensity USE sROP_Other_Variables USE sROP_Variables Use KickVariables Use CShoeVariables use CError implicit none integer i,ii,AddLocation, iloc_edited, iloc_changedTo2 Real(8) ExcessMudVolume_Remained,SavedDensityForOp !===========================================================WELL============================================================ !===========================================================WELL============================================================ StringFlowRate= MUD(2)%Q AnnulusFlowRate= MUD(2)%Q !write(*,*) 'MUD(2)%Q=====' , MUD(2)%Q write(*,*) 'Trip Out' ! write(*,*) 'check point 1==' ! ! ! ! do imud=1, Ann_MudDischarged_Volume%Length() ! write(*,*) 'Ann:', imud, Ann_MudDischarged_Volume%Array(imud), Ann_Density%Array(imud) ,Ann_MudOrKick%Array(imud) ! enddo ! ! write(*,*) 'Ann cap=' , sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) ! write(*,*) 'Ann mud sum vol=' , sum(Ann_MudDischarged_Volume%Array(:)) ! ! !write(*,*) '==check point 1' !========================Horizontal PIPE ENTRANCE================= if (ABS(SuctionDensity_Old - Suction_Density_MudSystem) >= DensityMixTol) then ! new mud is pumped call Hz_Density%AddToFirst (Suction_Density_MudSystem) 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= Suction_Density_MudSystem endif !========================Horizontal PIPE STRING================= Hz_MudDischarged_Volume%Array(1)= Hz_MudDischarged_Volume%Array(1)+ ((StringFlowRate/60.0d0)*DeltaT_Mudline) !(gal) total_add = total_add + ((StringFlowRate/60.0d0)*DeltaT_Mudline) if (ChokeControlPanel%ChokePanelStrokeResetSwitch == 1) then total_add= 0. endif !write(*,*) ' total decrease(add to HZ)=' , total_add !write(*,*) ' add to HZ=' , ((StringFlowRate/60.0d0)*DeltaT_Mudline) 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)* 7.48051948d0 ! 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)/7.48051948d0)/Area_PipeSectionFt(Hz_Mud_Backhead_section%Array(imud)) 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 RemoveHzMudArrays(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 !========================Horizontal PIPE END================= !========================Utube1 Air Element Removing================= !if (UtubeMode1Activated== .true.) then ! StringUpdate == .true. ! ! StringDensity_Old= St_Density%Array(2) ! ! UtubeMode1Activated= .false. !endif !========================Utube1 Air Element Removing================= !========================Utube2 Removing from Annulus================= if (UtubeMode2Activated== .true.) then ! StringUpdate == .true. TotalAddedVolume=0. if (Ann_MudOrKick%Last() == 104) then !movaghati. albate age merge anjam shode bashe moshkeli nist call RemoveAnnulusMudArrays(Ann_MudOrKick%Length()) endif UtubeMode2Activated= .false. endif !========================Utube2 Removing from Annulus End================= !========================New Pipe Filling================= if (AddedElementsToString > 0) then ! StringUpdate == .true. !NoPipeAdded= F_StringIntervalCounts - F_StringIntervalCountsOld NewPipeFilling=0 IF (St_MudOrKick%First() == 104) then St_MudDischarged_Volume%Array(1) = St_MudDischarged_Volume%Array(1) + sum(PipeSection_VolumeCapacity(2:1+AddedElementsToString)) ! new pipe is filled by air else call St_Density%AddToFirst (0.d0) call St_MudDischarged_Volume%AddToFirst (sum(PipeSection_VolumeCapacity(2:1+AddedElementsToString))) call St_Mud_Forehead_X%AddToFirst (Xstart_PipeSection(2)) call St_Mud_Forehead_section%AddToFirst (2) call St_Mud_Backhead_X%AddToFirst (Xstart_PipeSection(2)) call St_Mud_Backhead_section%AddToFirst (2) call St_RemainedVolume_in_LastSection%AddToFirst (0.d0) call St_EmptyVolume_inBackheadLocation%AddToFirst (0.d0) call St_MudOrKick%AddToFirst (104) endif endif !F_StringIntervalCountsOld= F_StringIntervalCounts if (NewPipeFilling == 0) then ! 2= is the first element of string (1= is for Hz pipe) LackageMudVolume= St_MudDischarged_Volume%Array(1) ! = Air element !write(*,*) 'LackageMudVolume=' , LackageMudVolume if (ABS(St_Density%Array(2) - Hz_Density%Last()) >= DensityMixTol) then ! new mud is pumped call St_Density%AddTo (2,Hz_Density%Last()) call St_MudDischarged_Volume%AddTo (2,0.d0) call St_Mud_Forehead_X%AddTo (2,Xstart_PipeSection(2)) call St_Mud_Forehead_section%AddTo (2 , 2) call St_Mud_Backhead_X%AddTo (2,Xstart_PipeSection(2)) call St_Mud_Backhead_section%AddTo (2 ,2) call St_RemainedVolume_in_LastSection%AddTo (2,0.d0) call St_EmptyVolume_inBackheadLocation%AddTo (2,0.d0) call St_MudOrKick%AddTo (2,0) !StringDensity_Old= Hz_Density%Last() endif St_MudDischarged_Volume%Array(2)= St_MudDischarged_Volume%Array(2)+ min( ((StringFlowRate/60.0d0)*DeltaT_Mudline), LackageMudVolume) !(gal) St_MudDischarged_Volume%Array(1)= St_MudDischarged_Volume%Array(1)- min( ((StringFlowRate/60.0d0)*DeltaT_Mudline), LackageMudVolume) ! air(gal) !LackageMudVolumeAfterFilling= sum(PipeSection_VolumeCapacity(2:F_StringIntervalCounts)) - sum(St_MudDischarged_Volume%Array(:)) LackageMudVolumeAfterFilling= St_MudDischarged_Volume%Array(1) ! last time it should be zero if (LackageMudVolumeAfterFilling == 0.) then NewPipeFilling= 1 call RemoveStringMudArrays(1) St_Mud_Backhead_X%Array(1) = Xstart_PipeSection(2) St_Mud_Backhead_section%Array(1) = 2 endif endif !========================New Pipe Filling End================= if (NewPipeFilling == 0) then StringFlowRate= 0. AnnulusFlowRate= 0. endif StringFlowRateFinal= StringFlowRate AnnulusFlowRateFinal= AnnulusFlowRate !========================STRING ENTRANCE================= if (StringFlowRateFinal > 0.0 .and. ABS(St_Density%First() - Hz_Density%Last()) >= DensityMixTol) then ! new mud is pumped !if (ABS(StringDensity_Old - Hz_Density%Last()) >= DensityMixTol) then ! new mud is pumped call St_Density%AddToFirst (Hz_Density%Last()) call St_MudDischarged_Volume%AddToFirst (0.0d0) call St_Mud_Forehead_X%AddToFirst (Xstart_PipeSection(2)) call St_Mud_Forehead_section%AddToFirst (2) call St_Mud_Backhead_X%AddToFirst (Xstart_PipeSection(2)) call St_Mud_Backhead_section%AddToFirst (2) call St_RemainedVolume_in_LastSection%AddToFirst (0.0d0) call St_EmptyVolume_inBackheadLocation%AddToFirst (0.0d0) call St_MudOrKick%AddToFirst (0) !StringDensity_Old= Hz_Density%Last() endif St_MudDischarged_Volume%Array(1)= St_MudDischarged_Volume%Array(1)+ ((StringFlowRate/60.0d0)*DeltaT_Mudline) !(gal) !=============== save String Mud data=========== StMudVolumeSum= 0.d0 !St_MudSaved_Density= 0.d0 St_Saved_MudDischarged_Volume= 0.d0 !Saved_St_MudOrKick= 0 !Ann_to_Choke_2mud= .false. do imud=1, St_MudDischarged_Volume%Length() StMudVolumeSum= StMudVolumeSum + St_MudDischarged_Volume%Array(imud) if ( StMudVolumeSum > sum(PipeSection_VolumeCapacity(2:F_StringIntervalCounts)) ) then !IF (St_MudOrKick%Array(imud) == 0) THEN St_MudSaved_Density = St_Density%Array(imud) St_Saved_MudDischarged_Volume = StMudVolumeSum - sum(PipeSection_VolumeCapacity(2:F_StringIntervalCounts)) !ELSEIF (St_MudOrKick%Array(imud) > 0 .AND. St_MudOrKick%Array(imud) <100) THEN ! 104= AIR ! St_Kick_Saved_Volume = StMudVolumeSum - sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) ! Saved_St_MudOrKick= St_MudOrKick%Array (imud) ! St_KickSaved_Density= St_Density%Array(imud) !END IF do ii= imud + 1, St_MudDischarged_Volume%Length() !IF (St_MudOrKick%Array(ii) == 0) THEN St_MudSaved_Density = ((St_MudSaved_Density * St_Saved_MudDischarged_Volume) + (St_Density%Array(ii) * St_MudDischarged_Volume%Array(ii))) / (St_Saved_MudDischarged_Volume + St_MudDischarged_Volume%Array(ii)) St_Saved_MudDischarged_Volume = St_Saved_MudDischarged_Volume + St_MudDischarged_Volume%Array(ii) !ELSEIF (St_MudOrKick%Array(imud) > 0 .AND. St_MudOrKick%Array(imud) <100) THEN ! 104= AIR ! St_Kick_Saved_Volume = St_Kick_Saved_Volume + St_MudDischarged_Volume%Array(ii) ! Saved_St_MudOrKick= St_MudOrKick%Array (ii) ! St_KickSaved_Density= St_Density%Array(ii) !END IF enddo !WRITE (*,*) 'St_Saved_Mud_Volume, St_Kick_Saved_Volume', St_Saved_MudDischarged_Volume, St_Kick_Saved_Volume exit ! exits do endif enddo St_Saved_MudDischarged_Volume_Final= St_Saved_MudDischarged_Volume IF (WellHeadIsOpen) MudVolume_InjectedToBH = St_Saved_MudDischarged_Volume_Final !====================================================================== !========================STRING================= imud=0 do while (imud < St_Mud_Forehead_X%Length()) imud = imud + 1 if (imud> 1) then St_Mud_Backhead_X%Array(imud)= St_Mud_Forehead_X%Array(imud-1) St_Mud_Backhead_section%Array(imud)= St_Mud_Forehead_section%Array(imud-1) endif DirectionCoef= (Xend_PipeSection(St_Mud_Backhead_section%Array(imud))-Xstart_PipeSection(St_Mud_Backhead_section%Array(imud))) & / ABS(Xend_PipeSection(St_Mud_Backhead_section%Array(imud))-Xstart_PipeSection(St_Mud_Backhead_section%Array(imud))) ! +1 for string , -1 for annulus St_EmptyVolume_inBackheadLocation%Array(imud)= DirectionCoef* (Xend_PipeSection(St_Mud_Backhead_section%Array(imud))- St_Mud_Backhead_X%Array(imud))* & Area_PipeSectionFt(St_Mud_Backhead_section%Array(imud)) !(ft^3) St_EmptyVolume_inBackheadLocation%Array(imud)= St_EmptyVolume_inBackheadLocation%Array(imud)* 7.48051948d0 ! ft^3 to gal if ( St_MudDischarged_Volume%Array(imud) <= St_EmptyVolume_inBackheadLocation%Array(imud)) then St_Mud_Forehead_section%Array(imud)= St_Mud_Backhead_section%Array(imud) St_Mud_Forehead_X%Array(imud)= St_Mud_Backhead_X%Array(imud)+ DirectionCoef*(St_MudDischarged_Volume%Array(imud)/7.48051948d0)/Area_PipeSectionFt(St_Mud_Backhead_section%Array(imud)) ! 7.48 is for gal to ft^3 else isection= St_Mud_Backhead_section%Array(imud)+1 St_RemainedVolume_in_LastSection%Array(imud)= St_MudDischarged_Volume%Array(imud)- St_EmptyVolume_inBackheadLocation%Array(imud) do if (isection > F_StringIntervalCounts) then ! last pipe section(string exit) St_MudDischarged_Volume%Array(imud)= St_MudDischarged_Volume%Array(imud)- St_RemainedVolume_in_LastSection%Array(imud) St_Mud_Forehead_X%Array(imud)= Xend_PipeSection(F_StringIntervalCounts) St_Mud_Forehead_section%Array(imud)= F_StringIntervalCounts if (St_MudDischarged_Volume%Array(imud)<= 0.0d0) then ! imud is completely exited form the string call RemoveStringMudArrays(imud) endif exit endif xx= St_RemainedVolume_in_LastSection%Array(imud)/ PipeSection_VolumeCapacity(isection) !(gal) if (xx<= 1.0) then St_Mud_Forehead_section%Array(imud)= isection St_Mud_Forehead_X%Array(imud)= (xx * (Xend_PipeSection(isection)- Xstart_PipeSection(isection)))+ Xstart_PipeSection(isection) exit else St_RemainedVolume_in_LastSection%Array(imud)= St_RemainedVolume_in_LastSection%Array(imud)- PipeSection_VolumeCapacity(isection) isection= isection+ 1 endif enddo endif enddo !========================STRING END================= !write(*,*) ' a before==' ! ! do imud=1, Op_MudDischarged_Volume%Length() ! write(*,*) 'Op:', imud, Op_MudDischarged_Volume%Array(imud), Op_Density%Array(imud) ,Op_MudOrKick%Array(imud) ! enddo ! ! do imud=1, Ann_MudDischarged_Volume%Length() ! write(*,*) 'Ann:', imud, Ann_MudDischarged_Volume%Array(imud), Ann_Density%Array(imud) ,Ann_MudOrKick%Array(imud) ! enddo ! ! write(*,*) 'Ann cap=' , sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) ! write(*,*) 'Ann mud sum vol=' , sum(Ann_MudDischarged_Volume%Array(:)) ! ! !write(*,*) '==== a before' iloc_changedTo2 = 0 IF (Op_MudOrKick%Last() /= 0 .and. Op_MudOrKick%Last()==Ann_MudOrKick%First()) then iLoc=2 ! it may be 1,2,3 or more, all of them are kick iloc_changedTo2= 1 endif iloc_edited= 0 !write(*,*) sum(Op_MudDischarged_Volume%Array(:)) , ((AnnulusFlowRate/60.d0)*DeltaT_Mudline) , Ann_MudDischarged_Volume%First() , sum(OpSection_VolumeCapacity(1:F_BottomHoleIntervalCounts)) if (iloc==2 .and. sum(Op_MudDischarged_Volume%Array(:))+((AnnulusFlowRate/60.d0)*DeltaT_Mudline)+Ann_MudDischarged_Volume%First() < sum(OpSection_VolumeCapacity(1:F_BottomHoleIntervalCounts)) ) then iloc = 1 iloc_edited = 1 !write(*,*) 'hellooooooo' endif !write(*,*) 'ann-cap:' , sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1 :F_StringIntervalCounts+F_AnnulusIntervalCounts) ) !write(*,*) 'iloc====' , iloc !MudVolume_InjectedToBH !=============================Add PumpFlowRate to Bottom Hole ============================== !if ( AnnulusFlowRate>0.0 ) then if ( MudVolume_InjectedToBH > 0.0 ) then if (KickOffBottom) then ! (kickOffBottom = F) means kick is next to the bottom hole and usually kick is entering the AddLocation= Op_Density%Length()-iloc+1+1 ! well, thus pumped mud should be placed above the kick else AddLocation= Op_Density%Length()+1 endif !write(*,*) 'AddLocation====' , AddLocation if ( AddLocation== 0) CALL ErrorStop ('AddLocation=0') if ( ABS(St_Density%Last() - Op_Density%Array(AddLocation-1)) >= DensityMixTol ) then !write(*,*) 'new pocket**' !write(*,*) 'St_Density%Last()=' , St_Density%Last() !write(*,*) 'Op_Density%Array(AddLocation-1)=' , Op_Density%Array(AddLocation-1) call Op_Density% AddTo (AddLocation,St_Density%Last()) !call Op_MudDischarged_Volume%AddTo (AddLocation,((AnnulusFlowRate/60.d0)*DeltaT_Mudline)) call Op_MudDischarged_Volume%AddTo (AddLocation,MudVolume_InjectedToBH) call Op_Mud_Forehead_X%AddTo (AddLocation,Xstart_OpSection(1)) call Op_Mud_Forehead_section%AddTo (AddLocation,1) call Op_Mud_Backhead_X%AddTo (AddLocation,Xstart_OpSection(1)) call Op_Mud_Backhead_section%AddTo (AddLocation,1) call Op_RemainedVolume_in_LastSection%AddTo (AddLocation,0.0d0) call Op_EmptyVolume_inBackheadLocation%AddTo (AddLocation,0.0d0) call Op_MudOrKick%AddTo (AddLocation,0) else !write(*,*) 'merge**' !write(*,*) 'density before=' , Op_Density%Array(AddLocation-1) !write(*,*) 'St_Density%Last() for mix=' , St_Density%Last() !Op_Density%Array(AddLocation-1)= (Op_Density%Array(AddLocation-1)*Op_MudDischarged_Volume%Array(AddLocation-1)+St_Density%Last()*((AnnulusFlowRate/60.d0)*DeltaT_Mudline))/(Op_MudDischarged_Volume%Array(AddLocation-1)+((AnnulusFlowRate/60.d0)*DeltaT_Mudline)) !Op_MudDischarged_Volume%Array(AddLocation-1)= Op_MudDischarged_Volume%Array(AddLocation-1) + ((AnnulusFlowRate/60.d0)*DeltaT_Mudline) Op_Density%Array(AddLocation-1)= (Op_Density%Array(AddLocation-1)*Op_MudDischarged_Volume%Array(AddLocation-1)+St_Density%Last()*MudVolume_InjectedToBH)/(Op_MudDischarged_Volume%Array(AddLocation-1)+MudVolume_InjectedToBH) Op_MudDischarged_Volume%Array(AddLocation-1)= Op_MudDischarged_Volume%Array(AddLocation-1) + MudVolume_InjectedToBH !write(*,*) 'density after=' , Op_Density%Array(AddLocation-1) endif endif !=======================Add PumpFlowRate to Bottom Hole- End ============================== !write(*,*) 'pump added-before add to ann==' ! ! do imud=1, Op_MudDischarged_Volume%Length() ! write(*,*) 'Op:', imud, Op_MudDischarged_Volume%Array(imud), Op_Density%Array(imud) ,Op_MudOrKick%Array(imud) ! enddo ! ! do imud=1, Ann_MudDischarged_Volume%Length() ! write(*,*) 'Ann:', imud, Ann_MudDischarged_Volume%Array(imud), Ann_Density%Array(imud) ,Ann_MudOrKick%Array(imud) ! enddo ! ! write(*,*) 'Ann cap=' , sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) ! write(*,*) 'Ann mud sum vol=' , sum(Ann_MudDischarged_Volume%Array(:)) ! ! ! !write(*,*) 'pump added====before add to ann' !=============== save OP Mud data to transfer to the annulus enterance due to tripin or kick OpMudVolumeSum= 0.d0 !Op_MudSaved_Density= 0.d0 !Op_KickSaved_Density= 0.d0 Op_Saved_MudDischarged_Volume= 0.d0 Op_Kick_Saved_Volume= 0.d0 Saved_Op_MudOrKick= 0 Op_NeededVolume_ToFill= 0.d0 do imud=1, Op_MudDischarged_Volume%Length() OpMudVolumeSum= OpMudVolumeSum + Op_MudDischarged_Volume%Array(imud) if ( OpMudVolumeSum > sum(OpSection_VolumeCapacity(1:F_BottomHoleIntervalCounts)) ) then !1st mode IF (Op_MudOrKick%Array(imud) == 0) THEN Op_MudSaved_Density = Op_Density%Array(imud) Op_Saved_MudDischarged_Volume = OpMudVolumeSum - sum(OpSection_VolumeCapacity(1:F_BottomHoleIntervalCounts)) ELSE Op_Kick_Saved_Volume = OpMudVolumeSum - sum(OpSection_VolumeCapacity(1:F_BottomHoleIntervalCounts)) Saved_Op_MudOrKick= Op_MudOrKick%Array (imud) Op_KickSaved_Density= Op_Density%Array(imud) iloc= 2 iloc_changedTo2= 2 END IF do ii= imud + 1, Op_MudDischarged_Volume%Length() IF (Op_MudOrKick%Array(ii) == 0) THEN Op_MudSaved_Density = ((Op_MudSaved_Density * Op_Saved_MudDischarged_Volume) + (Op_Density%Array(ii) * Op_MudDischarged_Volume%Array(ii))) / (Op_Saved_MudDischarged_Volume + Op_MudDischarged_Volume%Array(ii)) Op_Saved_MudDischarged_Volume = Op_Saved_MudDischarged_Volume + Op_MudDischarged_Volume%Array(ii) ELSE Op_Kick_Saved_Volume = Op_Kick_Saved_Volume + Op_MudDischarged_Volume%Array(ii) Saved_Op_MudOrKick= Op_MudOrKick%Array (ii) Op_KickSaved_Density= Op_Density%Array(ii) iloc= 2 iloc_changedTo2= 3 END IF enddo exit ! exits do endif enddo if ( sum(Op_MudDischarged_Volume%Array(:)) < sum(OpSection_VolumeCapacity(1:F_BottomHoleIntervalCounts)) ) then !2nd & 3rd mode Op_NeededVolume_ToFill= sum(OpSection_VolumeCapacity(1:F_BottomHoleIntervalCounts)) - sum(Op_MudDischarged_Volume%Array(:)) endif ! !write(*,*) 'Op_NeededVolume_ToFill=' , Op_NeededVolume_ToFill !write(*,*) 'Op_Saved_MudDischarged_Volume=' , Op_Saved_MudDischarged_Volume !write(*,*) 'Op_Kick_Saved_Volume=' , Op_Kick_Saved_Volume ! !write(*,*) 'op cap=' , sum(OpSection_VolumeCapacity(1:F_BottomHoleIntervalCounts)) !write(*,*) ' op sum mud=' , sum(Op_MudDischarged_Volume%Array(:)) !====================================================================== !========================Tripping Out- 1st & 3rd Mode==================== if ( (Op_Kick_Saved_Volume > 0.0 .or. Op_Saved_MudDischarged_Volume> 0.0) .or. & ! 1st Mode-Pump flow is more than trip out so fluid Level in Annulus Increases (Op_NeededVolume_ToFill < ABS(DeltaVolumeAnnulusCapacity)) ) then !3rd Mode-fluid Level in Annulus Increases !if ( Op_Kick_Saved_Volume > 0.0 .or. Op_Saved_MudDischarged_Volume> 0.0 ) write(*,*) 'trip out 1st mode' if ( Op_NeededVolume_ToFill > 0.0 .and. Op_NeededVolume_ToFill < ABS(DeltaVolumeAnnulusCapacity) ) then ! write(*,*) 'trip out 3rd mode' NewVolume= 0.d0 ! for condition iloc=1 SavedDensityForOp= Ann_Density%Array(1) ExcessMudVolume_Remained= Op_NeededVolume_ToFill imud=1 Do if(Ann_MudDischarged_Volume%Array(imud) < ExcessMudVolume_Remained) then ExcessMudVolume_Remained= ExcessMudVolume_Remained- Ann_MudDischarged_Volume%Array(imud) call Ann_MudDischarged_Volume%Remove (imud) call Ann_Mud_Backhead_X%Remove (imud) call Ann_Mud_Backhead_section%Remove (imud) call Ann_Mud_Forehead_X%Remove (imud) call Ann_Mud_Forehead_section%Remove (imud) call Ann_Density%Remove (imud) call Ann_RemainedVolume_in_LastSection%Remove (imud) call Ann_EmptyVolume_inBackheadLocation%Remove (imud) call Ann_MudOrKick%Remove (imud) elseif(Ann_MudDischarged_Volume%Array(imud) > ExcessMudVolume_Remained) then Ann_MudDischarged_Volume%Array(imud)= Ann_MudDischarged_Volume%Array(imud)- ExcessMudVolume_Remained exit else !(Ann_MudDischarged_Volume%Array(imud) == ExcessMudVolume_Remained) call Ann_MudDischarged_Volume%Remove (imud) call Ann_Mud_Backhead_X%Remove (imud) call Ann_Mud_Backhead_section%Remove (imud) call Ann_Mud_Forehead_X%Remove (imud) call Ann_Mud_Forehead_section%Remove (imud) call Ann_Density%Remove (imud) call Ann_RemainedVolume_in_LastSection%Remove (imud) call Ann_EmptyVolume_inBackheadLocation%Remove (imud) call Ann_MudOrKick%Remove (imud) exit endif enddo !write(*,*) 'Op_NeededVolume_ToFill=' ,Op_NeededVolume_ToFill !write(*,*) 'ABS(DeltaVolumeAnnulusCapacity)=' ,ABS(DeltaVolumeAnnulusCapacity) !write(*,*) 'Op_MudOrKick%Last()=' ,Op_MudOrKick%Last() !write(*,*) 'iloc=' ,iloc !write(*,*) 'iloc_edited=' ,iloc_edited endif ! (AnnulusFlowRate/60.)*DeltaT_Mudline) - DeltaVolumeOp will be added to annulus !if (iLoc == 1) then MudSection= F_StringIntervalCounts+1 BackheadX= Xstart_PipeSection(F_StringIntervalCounts+1) !elseif (iLoc == 2) then ! MudSection= Kick_Forehead_section ! BackheadX= Kick_Forehead_X !endif !========================ANNULUS ENTRANCE==================== !if (KickMigration_2SideBit == .FALSE.) then ! if ( ABS(AnnulusSuctionDensity_Old - St_Density%Last()) >= DensityMixTol ) then ! new mud is pumped ! call Ann_Density%AddTo (iLoc,St_Density%Last()) ! call Ann_MudDischarged_Volume%AddTo (iLoc,0.0d0) ! call Ann_Mud_Forehead_X%AddTo (iLoc,BackheadX) ! call Ann_Mud_Forehead_section%AddTo (iLoc,MudSection) ! call Ann_Mud_Backhead_X%AddTo (iLoc,BackheadX) ! call Ann_Mud_Backhead_section%AddTo (iLoc,MudSection) ! call Ann_RemainedVolume_in_LastSection%AddTo (iLoc,0.0d0) ! call Ann_EmptyVolume_inBackheadLocation%AddTo (iLoc,0.0d0) ! call Ann_MudOrKick%AddTo (iLoc,0) ! call Ann_CuttingMud%AddTo (iLoc,0) ! ! AnnulusSuctionDensity_Old= St_Density%Last() ! ! MudIsChanged= .true. ! endif ! ! Ann_MudDischarged_Volume%Array(iLoc)= Ann_MudDischarged_Volume%Array(iLoc)+ ((AnnulusFlowRate/60.0d0)*DeltaT_Mudline) - ((2-iloc)*ABS(DeltaVolumePipe)) !(gal) ! !endif Ann_Mud_Backhead_section%Array(1)= MudSection !it is needed to be updated for (a condition that one pipe is removed from Annulus due to trip out)- (and add pipe) Ann_Mud_Backhead_X%Array(1)= BackheadX !iloc=1 : (2-iloc)=1 normal !iloc=2 : (2-iloc)=0 kick influx or migration is in annulus !========================Same to Tripping In==================== !write(*,*) 'Op_Kick_Saved_Volume,Op_Saved_MudDischarged_Volume=' , Op_Kick_Saved_Volume,Op_Saved_MudDischarged_Volume if (Op_Kick_Saved_Volume > 0.0 .and. Ann_MudOrKick%First() == 0) then !1st Mode write(*,*) 'Kick influx enters Annulus' call Ann_Density%AddToFirst (Op_KickSaved_Density) call Ann_MudDischarged_Volume%AddToFirst (Op_Kick_Saved_Volume) call Ann_Mud_Forehead_X%AddToFirst (Xstart_PipeSection(F_StringIntervalCounts+1)) call Ann_Mud_Forehead_section%AddToFirst (F_StringIntervalCounts+1) call Ann_Mud_Backhead_X%AddToFirst (Xstart_PipeSection(F_StringIntervalCounts+1)) call Ann_Mud_Backhead_section%AddToFirst (F_StringIntervalCounts+1) call Ann_RemainedVolume_in_LastSection%AddToFirst (0.0d0) call Ann_EmptyVolume_inBackheadLocation%AddToFirst (0.0d0) call Ann_MudOrKick%AddToFirst (Saved_Op_MudOrKick) !<<<<<<<< call Ann_CuttingMud%AddToFirst (0) elseif (Op_Kick_Saved_Volume > 0.0 .and. Ann_MudOrKick%First() /= 0) then Ann_MudDischarged_Volume%Array(1)= Ann_MudDischarged_Volume%Array(1) + Op_Kick_Saved_Volume endif if ( Op_NeededVolume_ToFill > 0.0 .and. (Op_NeededVolume_ToFill < ABS(DeltaVolumeAnnulusCapacity)) .and. Op_MudOrKick%Last() == 0 .and. (iloc==2 .or. iloc_edited==1)) then !3rd Mode !write(*,*) 'checkpoint 0' !! for avoid kick separation -Op_MudOrKick%Last() == 0: because of pump NewVolume= ((AnnulusFlowRate/60.d0)*DeltaT_Mudline) ! =volume that should be added to iloc=2 in Ann call RemoveOpMudArrays(Op_Density%Length()) ! mud here is removed and then will be added to iloc=2 in Ann in %%1 section if ( Ann_MudDischarged_Volume%Array(1) > ((AnnulusFlowRate/60.d0)*DeltaT_Mudline) ) then! 1st in Ann = kick ,, we expect: ((AnnulusFlowRate/60.d0)*DeltaT_Mudline)= OpMudVolLast Ann_MudDischarged_Volume%Array(1)= Ann_MudDischarged_Volume%Array(1) - ((AnnulusFlowRate/60.d0)*DeltaT_Mudline) Op_MudDischarged_Volume%Array(Op_Density%Length())= Op_MudDischarged_Volume%Array(Op_Density%Length())+ ((AnnulusFlowRate/60.d0)*DeltaT_Mudline) ! kick else call RemoveAnnulusMudArrays(1) !kick is removed iloc= 1 Op_MudDischarged_Volume%Array(Op_Density%Length())= Op_MudDischarged_Volume%Array(Op_Density%Length())+ ((AnnulusFlowRate/60.d0)*DeltaT_Mudline) write(*,*) 'little expand' ! including a little expand endif endif if (Op_Saved_MudDischarged_Volume> 0.0) then !1st Mode NewDensity= Op_MudSaved_Density !write(*,*) 'iloc,...' , iloc,((AnnulusFlowRate/60.d0)*DeltaT_Mudline),Op_Saved_MudDischarged_Volume if (iloc==1) then !write(*,*) 'checkpoint 1' NewVolume= Op_Saved_MudDischarged_Volume elseif (real(((AnnulusFlowRate/60.d0)*DeltaT_Mudline)) - real(Op_Saved_MudDischarged_Volume) > 0.d0 ) then ! for avoid kick separation !write(*,*) 'checkpoint 2' NewVolume= ((AnnulusFlowRate/60.d0)*DeltaT_Mudline) !- Op_Saved_MudDischarged_Volume call RemoveOpMudArrays(Op_Density%Length()) ! mud here is removed and then will be added to iloc=2 in Ann if ( Ann_MudDischarged_Volume%Array(1) > (((AnnulusFlowRate/60.d0)*DeltaT_Mudline) - Op_Saved_MudDischarged_Volume) ) then! 1st in Ann = kick Ann_MudDischarged_Volume%Array(1)= Ann_MudDischarged_Volume%Array(1) - (((AnnulusFlowRate/60.d0)*DeltaT_Mudline) - Op_Saved_MudDischarged_Volume) Op_MudDischarged_Volume%Array(Op_Density%Length())= Op_MudDischarged_Volume%Array(Op_Density%Length())+ (((AnnulusFlowRate/60.d0)*DeltaT_Mudline) - Op_Saved_MudDischarged_Volume) !kick else call RemoveAnnulusMudArrays(1) !kick is removed iloc =1 Op_MudDischarged_Volume%Array(Op_Density%Length())= Op_MudDischarged_Volume%Array(Op_Density%Length())+ (((AnnulusFlowRate/60.d0)*DeltaT_Mudline) - Op_Saved_MudDischarged_Volume) write(*,*) 'little expand' ! including a little expand endif else ! iloc==2 , ((AnnulusFlowRate/60.d0)*DeltaT_Mudline) == Op_Saved_MudDischarged_Volume !write(*,*) 'checkpoint 3' NewVolume= Op_Saved_MudDischarged_Volume ! it is normal mode endif endif !write(*,*) 'NewVolume=' ,NewVolume if( Ann_Density%Length() == 1 .and. iloc ==2 ) then write(*,*) '***errorb****==' write(*,*) 'iloc_edited=' , iloc_edited write(*,*) 'iloc_changedTo2=' , iloc_changedTo2 write(*,*) 'Op_Capacity===' , sum(OpSection_VolumeCapacity(1:F_BottomHoleIntervalCounts)) WRITE (*,*) 'Op_Saved_MudDischarged_Volume, Op_Kick_Saved_Volume',Op_Saved_MudDischarged_Volume, Op_Kick_Saved_Volume do imud=1, Op_MudDischarged_Volume%Length() write(*,*) 'Op:', imud, Op_MudDischarged_Volume%Array(imud), Op_Density%Array(imud) ,Op_MudOrKick%Array(imud) enddo do imud=1, Ann_MudDischarged_Volume%Length() write(*,*) 'Ann:', imud, Ann_MudDischarged_Volume%Array(imud), Ann_Density%Array(imud) ,Ann_MudOrKick%Array(imud) enddo write(*,*) '==***errorb****' endif if ((Rate_of_Penetration==0 .and. abs(Ann_Density%Array(iLoc)-NewDensity)< DensityMixTol) & !%%1 section .or. (Rate_of_Penetration>0. .and. Ann_CuttingMud%Array(iLoc)==1 .and. abs(Ann_Density%Array(iLoc)-NewDensity)< CuttingDensityMixTol) & .or. (Rate_of_Penetration>0. .and. Ann_CuttingMud%Array(iLoc)==0 .and. Ann_MudDischarged_Volume%Array(iLoc) < 42.) ) then ! 1-Pockets are Merged !write(*,*) '%%1 section a)' Ann_Density%Array(iLoc)= (Ann_Density%Array(iLoc)*Ann_MudDischarged_Volume%Array(iLoc)+NewDensity*NewVolume)/(Ann_MudDischarged_Volume%Array(iLoc)+NewVolume) Ann_MudDischarged_Volume%Array(iLoc)= Ann_MudDischarged_Volume%Array(iLoc)+NewVolume Ann_Mud_Forehead_X%Array(iLoc)= BackheadX Ann_Mud_Forehead_section%Array(iLoc)= MudSection Ann_Mud_Backhead_X%Array(iLoc)= BackheadX Ann_Mud_Backhead_section%Array(iLoc)= MudSection Ann_RemainedVolume_in_LastSection%Array(iLoc)= (0.0d0) Ann_EmptyVolume_inBackheadLocation%Array(iLoc)= (0.0d0) else ! 2-Merging conditions are not meeted, so new pocket !write(*,*) '%%1 section b)' call Ann_Density%AddTo (iLoc,NewDensity) call Ann_MudDischarged_Volume%AddTo (iLoc,NewVolume) call Ann_Mud_Forehead_X%AddTo (iLoc,BackheadX) call Ann_Mud_Forehead_section%AddTo (iLoc,MudSection) call Ann_Mud_Backhead_X%AddTo (iLoc,BackheadX) call Ann_Mud_Backhead_section%AddTo (iLoc,MudSection) call Ann_RemainedVolume_in_LastSection%AddTo (iLoc,0.0d0) call Ann_EmptyVolume_inBackheadLocation%AddTo (iLoc,0.0d0) call Ann_MudOrKick%AddTo (iLoc,0) call Ann_CuttingMud%AddTo (iLoc,0) !write(*,*) 'd) annLength=' , Ann_Density%Length() endif !========================Same to Tripping In - End==================== !write(*,*) 'b)Ann_Mud sum=' , sum(Ann_MudDischarged_Volume%Array(:)) !write(*,*) 'no======2' ! ! do imud=1, Op_MudDischarged_Volume%Length() ! write(*,*) 'Op:', imud, Op_MudDischarged_Volume%Array(imud), Op_Density%Array(imud) ,Op_MudOrKick%Array(imud) ! enddo ! ! do imud=1, Ann_MudDischarged_Volume%Length() ! write(*,*) 'Ann:', imud, Ann_MudDischarged_Volume%Array(imud), Ann_Density%Array(imud) ,Ann_MudOrKick%Array(imud) ! enddo ! ! ! write(*,*) 'Ann cap=' , sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) ! write(*,*) 'Ann mud sum vol=' , sum(Ann_MudDischarged_Volume%Array(:)) ! ! !write(*,*) '2======no' !=============== save Ann Mud data to transfer to the ChokeLine enterance AnnMudVolumeSum= 0.d0 !Ann_MudSaved_Density= 0.d0 !Ann_KickSaved_Density= 0.d0 Ann_Saved_MudDischarged_Volume= 0.d0 Ann_Kick_Saved_Volume= 0.d0 Saved_Ann_MudOrKick= 0 Ann_to_Choke_2mud= .false. do imud=1, Ann_MudDischarged_Volume%Length() AnnMudVolumeSum= AnnMudVolumeSum + Ann_MudDischarged_Volume%Array(imud) if ( AnnMudVolumeSum > sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) ) then IF (Ann_MudOrKick%Array(imud) == 0) THEN Ann_MudSaved_Density = Ann_Density%Array(imud) Ann_Saved_MudDischarged_Volume = AnnMudVolumeSum - sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) ELSEIF (Ann_MudOrKick%Array(imud) > 0 .AND. Ann_MudOrKick%Array(imud) <100) THEN ! 104= AIR Ann_Kick_Saved_Volume = AnnMudVolumeSum - sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) Saved_Ann_MudOrKick= Ann_MudOrKick%Array (imud) Ann_KickSaved_Density= Ann_Density%Array(imud) END IF do ii= imud + 1, Ann_MudDischarged_Volume%Length() IF (Ann_MudOrKick%Array(ii) == 0) THEN Ann_MudSaved_Density = ((Ann_MudSaved_Density * Ann_Saved_MudDischarged_Volume) + (Ann_Density%Array(ii) * Ann_MudDischarged_Volume%Array(ii))) / (Ann_Saved_MudDischarged_Volume + Ann_MudDischarged_Volume%Array(ii)) Ann_Saved_MudDischarged_Volume = Ann_Saved_MudDischarged_Volume + Ann_MudDischarged_Volume%Array(ii) Ann_to_Choke_2mud= .true. ELSEIF (Ann_MudOrKick%Array(ii) > 0 .AND. Ann_MudOrKick%Array(ii) <100) THEN ! 104= AIR Ann_Kick_Saved_Volume = Ann_Kick_Saved_Volume + Ann_MudDischarged_Volume%Array(ii) Saved_Ann_MudOrKick= Ann_MudOrKick%Array (ii) Ann_KickSaved_Density= Ann_Density%Array(ii) END IF enddo exit ! exits do endif enddo Ann_Saved_MudDischarged_Volume_Final= Ann_Saved_MudDischarged_Volume Ann_Kick_Saved_Volume_Final= Ann_Kick_Saved_Volume !write(*,*) 'Ann cap=' , sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) !write(*,*) 'Ann mud sum vol=' , sum(Ann_MudDischarged_Volume%Array(:)) IF (WellHeadIsOpen) MudVolume_InjectedFromAnn = Ann_Saved_MudDischarged_Volume_Final-((Qlost/60.0d0)*DeltaT_Mudline) !NoGasPocket !write(*,*) 'Ann_Saved_Mud_Vol,Ann_Kick_Saved_Vol=' , Ann_Saved_MudDischarged_Volume,Ann_Kick_Saved_Volume !====================================================================== !write(*,*) 'Ann_Saved_Mud=' , Ann_Saved_MudDischarged_Volume !======================== Annulus ==================== !MudIsChanged= .false. imud= 0 do while (imud < Ann_Mud_Forehead_X%Length()) imud = imud + 1 if (imud> 1) then Ann_Mud_Backhead_X%Array(imud)= Ann_Mud_Forehead_X%Array(imud-1) Ann_Mud_Backhead_section%Array(imud)= Ann_Mud_Forehead_section%Array(imud-1) endif ! write(*,*) 'imud==' , imud !write(*,*) '***)Ann_Mud_Backhead_section(imud)= ' , Ann_Mud_Backhead_section%Array(imud), Ann_density%Array(imud) DirectionCoef= (Xend_PipeSection(Ann_Mud_Backhead_section%Array(imud))-Xstart_PipeSection(Ann_Mud_Backhead_section%Array(imud))) & / ABS(Xend_PipeSection(Ann_Mud_Backhead_section%Array(imud))-Xstart_PipeSection(Ann_Mud_Backhead_section%Array(imud))) ! +1 for string , -1 for annulus Ann_EmptyVolume_inBackheadLocation%Array(imud)= DirectionCoef* (Xend_PipeSection(Ann_Mud_Backhead_section%Array(imud))- Ann_Mud_Backhead_X%Array(imud))* & Area_PipeSectionFt(Ann_Mud_Backhead_section%Array(imud)) !(ft^3) Ann_EmptyVolume_inBackheadLocation%Array(imud)= Ann_EmptyVolume_inBackheadLocation%Array(imud)* 7.48051948d0 ! ft^3 to gal if ( Ann_MudDischarged_Volume%Array(imud) <= Ann_EmptyVolume_inBackheadLocation%Array(imud)) then Ann_Mud_Forehead_section%Array(imud)= Ann_Mud_Backhead_section%Array(imud) Ann_Mud_Forehead_X%Array(imud)= Ann_Mud_Backhead_X%Array(imud)+ DirectionCoef*(Ann_MudDischarged_Volume%Array(imud)/7.48051948d0)/Area_PipeSectionFt(Ann_Mud_Backhead_section%Array(imud)) ! 7.48 is for gal to ft^3 else isection= Ann_Mud_Backhead_section%Array(imud)+1 Ann_RemainedVolume_in_LastSection%Array(imud)= Ann_MudDischarged_Volume%Array(imud)- Ann_EmptyVolume_inBackheadLocation%Array(imud) do if (isection > NoPipeSections) then ! last pipe section(well exit) Ann_MudDischarged_Volume%Array(imud)= Ann_MudDischarged_Volume%Array(imud)- Ann_RemainedVolume_in_LastSection%Array(imud) Ann_Mud_Forehead_X%Array(imud)= Xend_PipeSection(NoPipeSections) Ann_Mud_Forehead_section%Array(imud)= NoPipeSections if (Ann_MudDischarged_Volume%Array(imud)<= 0.0d0) then ! imud is completely exited form the well call RemoveAnnulusMudArrays(imud) endif exit endif xx= Ann_RemainedVolume_in_LastSection%Array(imud)/ PipeSection_VolumeCapacity(isection) !(gal) if (xx<= 1.0) then Ann_Mud_Forehead_section%Array(imud)= isection Ann_Mud_Forehead_X%Array(imud)= (xx * (Xend_PipeSection(isection)- Xstart_PipeSection(isection)))+ Xstart_PipeSection(isection) exit else Ann_RemainedVolume_in_LastSection%Array(imud)= Ann_RemainedVolume_in_LastSection%Array(imud)- PipeSection_VolumeCapacity(isection) isection= isection+ 1 endif enddo endif enddo if (Ann_Mud_Forehead_X%Last() < Xend_PipeSection(NoPipeSections)) then Ann_Mud_Forehead_X%Array(Ann_Mud_Forehead_X%Length()) = Xend_PipeSection(NoPipeSections) ! for error preventing endif !========================ANNULUS END================= !************************************************************************************************************************* !========================Tripping Out- 2nd Mode==================== elseif ( Op_NeededVolume_ToFill > ABS(DeltaVolumeAnnulusCapacity) ) then !pump is off or Pump flow is less than trip out so fluid Level in Annulus decreases !write(*,*) 'trip out 2nd mode' SavedDensityForOp= Ann_Density%Array(1) !========================ANNULUS ENTRANCE==================== ! <<< SIMILAR TO UTUBE 2 >>> if ( Ann_Density%Last() /= 0.0 ) then ! new mud is pumped call Ann_Density%Add (0.0d0) call Ann_MudDischarged_Volume%Add (0.0d0) call Ann_Mud_Forehead_X%Add (Xend_PipeSection(NoPipeSections)) call Ann_Mud_Forehead_section%Add (NoPipeSections) call Ann_Mud_Backhead_X%Add (Xstart_PipeSection(NoPipeSections)) call Ann_Mud_Backhead_section%Add (NoPipeSections) call Ann_RemainedVolume_in_LastSection%Add (0.0d0) call Ann_EmptyVolume_inBackheadLocation%Add (0.0d0) call Ann_MudOrKick%Add (104) call Ann_CuttingMud%Add (0) !AnnulusSuctionDensity_Old= Hz_Density%Last() endif Ann_Mud_Forehead_section%Array(Ann_Mud_Forehead_section%Length())= NoPipeSections !it is needed to be updated for (a condition that one pipe is removed from Annulus due to trip out)- (and add pipe) Ann_Mud_Forehead_X%Array(Ann_Mud_Forehead_X%Length())= Xend_PipeSection(NoPipeSections) Ann_MudDischarged_Volume%Array(Ann_MudDischarged_Volume%Length())= Ann_MudDischarged_Volume%Last()+ (Op_NeededVolume_ToFill - ABS(DeltaVolumeAnnulusCapacity)) ! Op_NeededVolume_ToFill !ABS(DeltaVolumePipe) - ((AnnulusFlowRate/60.)*DeltaT_Mudline) !(gal) !=================================================================== if ( (iloc==2 .or. iloc_edited==1) .and. Op_MudOrKick%Last()==0 ) then ! for avoid kick separation !write(*,*) 'here mud should be removed from Op last' if (abs(Ann_Density%Array(iloc)-Op_Density%Last())< DensityMixTol) then Ann_Density%Array(iLoc)= (Ann_Density%Array(iLoc)*Ann_MudDischarged_Volume%Array(iLoc)+Op_Density%Last()*Op_MudDischarged_Volume%Last())/(Ann_MudDischarged_Volume%Array(iLoc)+Op_MudDischarged_Volume%Last()) Ann_MudDischarged_Volume%Array(iLoc)= Ann_MudDischarged_Volume%Array(iLoc)+Op_MudDischarged_Volume%Last() ! OP_Last is mud(effect of pump added mud) Ann_Mud_Forehead_X%Array(iLoc)= BackheadX Ann_Mud_Forehead_section%Array(iLoc)= MudSection Ann_Mud_Backhead_X%Array(iLoc)= BackheadX Ann_Mud_Backhead_section%Array(iLoc)= MudSection Ann_RemainedVolume_in_LastSection%Array(iLoc)= (0.0d0) Ann_EmptyVolume_inBackheadLocation%Array(iLoc)= (0.0d0) !write(*,*) 'merge' ,'Ann_Volume%Array(1)=' , Ann_MudDischarged_Volume%Array(1) else ! 2-Merging conditions are not meeted, so new pocket call Ann_Density%AddTo (iLoc,Op_Density%Last()) call Ann_MudDischarged_Volume%AddTo (iLoc,Op_MudDischarged_Volume%Last()) call Ann_Mud_Forehead_X%AddTo (iLoc,BackheadX) call Ann_Mud_Forehead_section%AddTo (iLoc,MudSection) call Ann_Mud_Backhead_X%AddTo (iLoc,BackheadX) call Ann_Mud_Backhead_section%AddTo (iLoc,MudSection) call Ann_RemainedVolume_in_LastSection%AddTo (iLoc,0.0d0) call Ann_EmptyVolume_inBackheadLocation%AddTo (iLoc,0.0d0) call Ann_MudOrKick%AddTo (iLoc,0) call Ann_CuttingMud%AddTo (iLoc,0) endif Op_NeededVolume_ToFill= Op_NeededVolume_ToFill + Op_MudDischarged_Volume%Last() ! OP_Last is mud(effect of pump added mud) call RemoveOpMudArrays(Op_MudOrKick%Length()) endif !=================================================================== !=============== save Ann Mud data to transfer to the ChokeLine enterance !AnnMudVolumeSum= 0.d0 !!Ann_MudSaved_Density= 0.d0 !!Ann_KickSaved_Density= 0.d0 Ann_Saved_MudDischarged_Volume= 0.d0 Ann_Kick_Saved_Volume= 0.d0 !Saved_Ann_MudOrKick= 0 !Ann_to_Choke_2mud= .false. !do imud=1, Ann_MudDischarged_Volume%Length() ! ! AnnMudVolumeSum= AnnMudVolumeSum + Ann_MudDischarged_Volume%Array(imud) ! ! if ( AnnMudVolumeSum > sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) ) then ! ! IF (Ann_MudOrKick%Array(imud) == 0) THEN ! Ann_MudSaved_Density = Ann_Density%Array(imud) ! Ann_Saved_MudDischarged_Volume = AnnMudVolumeSum - sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) ! ELSEIF (Ann_MudOrKick%Array(imud) > 0 .AND. Ann_MudOrKick%Array(imud) <100) THEN ! 104= AIR ! Ann_Kick_Saved_Volume = AnnMudVolumeSum - sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) ! Saved_Ann_MudOrKick= Ann_MudOrKick%Array (imud) ! Ann_KickSaved_Density= Ann_Density%Array(imud) ! END IF ! ! do ii= imud + 1, Ann_MudDischarged_Volume%Length() ! IF (Ann_MudOrKick%Array(ii) == 0) THEN ! Ann_MudSaved_Density = ((Ann_MudSaved_Density * Ann_Saved_MudDischarged_Volume) + (Ann_Density%Array(ii) * Ann_MudDischarged_Volume%Array(ii))) / (Ann_Saved_MudDischarged_Volume + Ann_MudDischarged_Volume%Array(ii)) ! Ann_Saved_MudDischarged_Volume = Ann_Saved_MudDischarged_Volume + Ann_MudDischarged_Volume%Array(ii) ! Ann_to_Choke_2mud= .true. ! ELSEIF (Ann_MudOrKick%Array(ii) > 0 .AND. Ann_MudOrKick%Array(ii) <100) THEN ! 104= AIR ! Ann_Kick_Saved_Volume = Ann_Kick_Saved_Volume + Ann_MudDischarged_Volume%Array(ii) ! Saved_Ann_MudOrKick= Ann_MudOrKick%Array (ii) ! Ann_KickSaved_Density= Ann_Density%Array(ii) ! END IF ! enddo ! ! exit ! exits do ! ! endif ! !enddo ! write(*,*) 'check point 2==' ! ! ! ! do imud=1, Ann_MudDischarged_Volume%Length() ! write(*,*) 'Ann:', imud, Ann_MudDischarged_Volume%Array(imud), Ann_Density%Array(imud) ,Ann_MudOrKick%Array(imud) ! enddo ! ! write(*,*) 'Ann cap=' , sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) ! write(*,*) 'Ann mud sum vol=' , sum(Ann_MudDischarged_Volume%Array(:)) ! ! !write(*,*) '==check point 2' Ann_Saved_MudDischarged_Volume_Final= Ann_Saved_MudDischarged_Volume Ann_Kick_Saved_Volume_Final= Ann_Kick_Saved_Volume !write(*,*) 'Ann cap=' , sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) !write(*,*) 'Ann mud sum vol=' , sum(Ann_MudDischarged_Volume%Array(:)) !write(*,*) 'Ann_Saved_MudDischarged_Volume_Final=' , Ann_Saved_MudDischarged_Volume_Final IF (WellHeadIsOpen) MudVolume_InjectedFromAnn = Ann_Saved_MudDischarged_Volume_Final-((Qlost/60.0d0)*DeltaT_Mudline) !! NoGasPocket > 0 .AND. !write(*,*) 'Ann_Saved_Mud_Vol,Ann_Kick_Saved_Vol=' , Ann_Saved_MudDischarged_Volume,Ann_Kick_Saved_Volume !====================================================================== !========================ANNULUS==================== ! <<< SIMILAR TO UTUBE 2 >>> !write(*,*) Ann_MudOrKick%Last(), 'DeltaVolumePipe , after volume=' ,ABS(DeltaVolumePipe), Ann_MudDischarged_Volume%Last() imud= Ann_Mud_Forehead_X%Length() + 1 do while (imud > 1) imud = imud - 1 if (imud< Ann_Mud_Forehead_X%Length()) then Ann_Mud_Forehead_X%Array(imud)= Ann_Mud_Backhead_X%Array(imud+1) Ann_Mud_Forehead_section%Array(imud)= Ann_Mud_Backhead_section%Array(imud+1) endif ! <<< Fracture Shoe Lost IF ( ShoeLost .and. Shoe%ShoeDepth < Ann_Mud_Backhead_X%Array(imud) .and. Shoe%ShoeDepth >= Ann_Mud_Forehead_X%Array(imud) ) then !write(*,*) 'ShoeLost imud,AnnVolume(imud), VolumeLost:' , imud,Ann_MudDischarged_Volume%Array(imud), (( Qlost/60.0d0)*DeltaT_Mudline) Ann_MudDischarged_Volume%Array(imud)= Ann_MudDischarged_Volume%Array(imud)-((Qlost/60.0d0)*DeltaT_Mudline) !(gal) if (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 LostInTripOutIsDone= .true. ENDIF ! Fracture Shoe Lost >>> !write(*,*) 'a)imud,Ann_Mud_Forehead_section=',imud,Ann_Mud_Forehead_section%Array(imud) DirectionCoef= (Xend_PipeSection(Ann_Mud_Forehead_section%Array(imud))-Xstart_PipeSection(Ann_Mud_Forehead_section%Array(imud))) & / ABS(Xend_PipeSection(Ann_Mud_Forehead_section%Array(imud))-Xstart_PipeSection(Ann_Mud_Forehead_section%Array(imud))) ! +1 for string , -1 for annulus !write(*,*) 'b)imud,Forehead_X,Xstart_PipeSection=',imud,Ann_Mud_Forehead_X%Array(imud),Xstart_PipeSection(Ann_Mud_Forehead_section%Array(imud)) Ann_EmptyVolume_inBackheadLocation%Array(imud)= DirectionCoef* (Ann_Mud_Forehead_X%Array(imud)- Xstart_PipeSection(Ann_Mud_Forehead_section%Array(imud)))* & Area_PipeSectionFt(Ann_Mud_Forehead_section%Array(imud)) !(ft^3) Ann_EmptyVolume_inBackheadLocation%Array(imud)= Ann_EmptyVolume_inBackheadLocation%Array(imud)* 7.48051948d0 ! ft^3 to gal if ( Ann_MudDischarged_Volume%Array(imud) <= Ann_EmptyVolume_inBackheadLocation%Array(imud)) then Ann_Mud_Backhead_section%Array(imud)= Ann_Mud_Forehead_section%Array(imud) Ann_Mud_Backhead_X%Array(imud)= Ann_Mud_Forehead_X%Array(imud)- DirectionCoef*(Ann_MudDischarged_Volume%Array(imud)/7.48051948d0)/Area_PipeSectionFt(Ann_Mud_Forehead_section%Array(imud)) ! 7.48051948 is for gal to ft^3 else isection= Ann_Mud_Forehead_section%Array(imud)-1 Ann_RemainedVolume_in_LastSection%Array(imud)= Ann_MudDischarged_Volume%Array(imud)- Ann_EmptyVolume_inBackheadLocation%Array(imud) do if (isection < F_StringIntervalCounts+1) then ! last pipe section(well exit) F_StringIntervalCounts+1 is the first section in Annulus Ann_MudDischarged_Volume%Array(imud)= Ann_MudDischarged_Volume%Array(imud)- Ann_RemainedVolume_in_LastSection%Array(imud) Ann_Mud_Backhead_X%Array(imud)= Xstart_PipeSection(F_StringIntervalCounts+1) Ann_Mud_Backhead_section%Array(imud)= F_StringIntervalCounts+1 if (Ann_MudDischarged_Volume%Array(imud)<= 0.0d0) then ! imud is completely exited form the well call RemoveAnnulusMudArrays(imud) endif exit endif xx= Ann_RemainedVolume_in_LastSection%Array(imud)/ PipeSection_VolumeCapacity(isection) !(gal) if (xx<= 1.0) then Ann_Mud_Backhead_section%Array(imud)= isection Ann_Mud_Backhead_X%Array(imud)= (xx * (Xstart_PipeSection(isection)- Xend_PipeSection(isection)))+ Xend_PipeSection(isection) exit else Ann_RemainedVolume_in_LastSection%Array(imud)= Ann_RemainedVolume_in_LastSection%Array(imud)- PipeSection_VolumeCapacity(isection) isection= isection- 1 endif enddo endif enddo !========================ANNULUS END================= endif ! end of 1st &3rd & 2nd Mode !************************************************************************************************************************* !======================== Bottom Hole Entrance ========================== !if (iloc == 1) then if ( Op_NeededVolume_ToFill > 0.0 ) then ! it is needed for 2nd & 3rd mode !write(*,*) 'op add for 2nd & 3rd mode done' if ( ABS(Op_Density%Last() - SavedDensityForOp ) >= DensityMixTol) then ! .OR. (Op_MudDischarged_Volume%Last()>42.) ) then ! 1-Merging conditions are not meeted, so new pocket call Op_Density%Add (SavedDensityForOp) call Op_MudDischarged_Volume%Add (Op_NeededVolume_ToFill) call Op_Mud_Forehead_X%Add (0.0d0) call Op_Mud_Forehead_section%Add (1) call Op_Mud_Backhead_X%Add (0.0d0) call Op_Mud_Backhead_section%Add (1) call Op_RemainedVolume_in_LastSection%Add (0.0d0) call Op_EmptyVolume_inBackheadLocation%Add (0.0d0) call Op_MudOrKick%Add (Ann_MudOrKick%Array(1)) else ! 2-Pockets are Merged Op_Density%Array (Op_Density%Length())= (SavedDensityForOp*Op_NeededVolume_ToFill+Op_Density%Last()*Op_MudDischarged_Volume%Last())/(Op_MudDischarged_Volume%Last()+Op_NeededVolume_ToFill) Op_MudDischarged_Volume%Array (Op_Density%Length())= Op_MudDischarged_Volume%Array (Op_Density%Length()) + Op_NeededVolume_ToFill Op_RemainedVolume_in_LastSection%Array (Op_Density%Length())= 0.0 Op_EmptyVolume_inBackheadLocation%Array (Op_Density%Length())= 0.0 endif endif !============================= Bottom Hole ============================== imud=0 do while (imud < Op_Mud_Forehead_X%Length()) imud = imud + 1 if (imud> 1) then Op_Mud_Backhead_X%Array(imud)= Op_Mud_Forehead_X%Array(imud-1) Op_Mud_Backhead_section%Array(imud)= Op_Mud_Forehead_section%Array(imud-1) endif DirectionCoef= (Xend_OpSection(Op_Mud_Backhead_section%Array(imud))-Xstart_OpSection(Op_Mud_Backhead_section%Array(imud))) & / ABS(Xend_OpSection(Op_Mud_Backhead_section%Array(imud))-Xstart_OpSection(Op_Mud_Backhead_section%Array(imud))) ! +1 for string , -1 for annulus Op_EmptyVolume_inBackheadLocation%Array(imud)= DirectionCoef* (Xend_OpSection(Op_Mud_Backhead_section%Array(imud))- Op_Mud_Backhead_X%Array(imud))* & Area_OpSectionFt(Op_Mud_Backhead_section%Array(imud)) !(ft^3) Op_EmptyVolume_inBackheadLocation%Array(imud)= Op_EmptyVolume_inBackheadLocation%Array(imud)* 7.48051948d0 ! ft^3 to gal if ( Op_MudDischarged_Volume%Array(imud) <= Op_EmptyVolume_inBackheadLocation%Array(imud)) then Op_Mud_Forehead_section%Array(imud)= Op_Mud_Backhead_section%Array(imud) Op_Mud_Forehead_X%Array(imud)= Op_Mud_Backhead_X%Array(imud)+ DirectionCoef*(Op_MudDischarged_Volume%Array(imud)/7.48051948d0)/Area_OpSectionFt(Op_Mud_Backhead_section%Array(imud)) ! 7.48051948 is for gal to ft^3 else isection= Op_Mud_Backhead_section%Array(imud)+1 Op_RemainedVolume_in_LastSection%Array(imud)= Op_MudDischarged_Volume%Array(imud)- Op_EmptyVolume_inBackheadLocation%Array(imud) do if (isection > F_BottomHoleIntervalCounts) then ! last pipe section(well exit) !if( imud==1) KickDeltaVinAnnulus= Op_RemainedVolume_in_LastSection%Array(imud) ! Kick enters Annulus space Op_MudDischarged_Volume%Array(imud)= Op_MudDischarged_Volume%Array(imud)- Op_RemainedVolume_in_LastSection%Array(imud) Op_Mud_Forehead_X%Array(imud)= Xend_OpSection(F_BottomHoleIntervalCounts) Op_Mud_Forehead_section%Array(imud)= F_BottomHoleIntervalCounts if (Op_MudDischarged_Volume%Array(imud)<= 0.0d0) then ! imud is completely exited form the well call Op_MudDischarged_Volume%Remove (imud) call Op_Mud_Backhead_X%Remove (imud) call Op_Mud_Backhead_section%Remove (imud) call Op_Mud_Forehead_X%Remove (imud) call Op_Mud_Forehead_section%Remove (imud) call Op_Density%Remove (imud) call Op_RemainedVolume_in_LastSection%Remove (imud) call Op_EmptyVolume_inBackheadLocation%Remove (imud) call Op_MudOrKick%Remove (imud) endif exit endif xx= Op_RemainedVolume_in_LastSection%Array(imud)/ OpSection_VolumeCapacity(isection) !(gal) if (xx<= 1.0) then Op_Mud_Forehead_section%Array(imud)= isection Op_Mud_Forehead_X%Array(imud)= (xx * (Xend_OpSection(isection)- Xstart_OpSection(isection)))+ Xstart_OpSection(isection) exit else Op_RemainedVolume_in_LastSection%Array(imud)= Op_RemainedVolume_in_LastSection%Array(imud)- OpSection_VolumeCapacity(isection) isection= isection+ 1 endif enddo endif enddo !========================Bottom Hole END================= ! write(*,*) 'after sorting==' !!! ! do imud=1, Op_MudDischarged_Volume%Length() ! write(*,*) 'Op:', imud, Op_MudDischarged_Volume%Array(imud), Op_Density%Array(imud) ,Op_MudOrKick%Array(imud) ! enddo ! ! do imud=1, Ann_MudDischarged_Volume%Length() ! write(*,*) 'Ann:', imud, Ann_MudDischarged_Volume%Array(imud), Ann_Density%Array(imud) ,Ann_MudOrKick%Array(imud) ! enddo !!! !! write(*,*) 'Ann cap=' , sum(PipeSection_VolumeCapacity(F_StringIntervalCounts+1:NoPipeSections)) !! write(*,*) 'Ann mud sum vol=' , sum(Ann_MudDischarged_Volume%Array(:)) !!! !!! !write(*,*) '==after sorting' !========================================================= total_injected = total_injected + MudVolume_InjectedFromAnn if (ChokeControlPanel%ChokePanelStrokeResetSwitch == 1) then total_injected= 0. endif !write(*,*) ' MudVolume_InjectedFromAnn =' , MudVolume_InjectedFromAnn !write(*,*) ' total injected-tripout =' , total_injected !write(*,*) ' injected-tripout =' , MudVolume_InjectedFromAnn end subroutine TripOut_and_Pump