PAGE1 of 12
Name :
International Well Control Forum
Surface BOP (Vertical Well ) Kill Sheet - API Units Date :
Formation Strength Data :- Current Well Data:
Surface Leak-off Presure:- (A) psi Mud Data:
Mud Weight:- (B) ppg Weight 10.5 ppg
Maximum Allowable Mud Weight:- Gradient psi/ft
(B) +
(A) = (C) Casing Shoe Data:
shoe True Vertical Depth *0.052 17.8 ppg
Initial MAASP = Size inch
[(C) - Current Mud Weight] x Shoe TVD x 0.052 = psi M.D 3950 ft
Pump No. 1 Displacement Pump No. 2 Displacement
T.V.D 3950 ft
0.109 bbls/stroke bbls/stroke
Slow Pump Dynamic Pressure Loss (PL) Hole Data :-
Rate Data :
Pump NO.1 Size 8 1/2 inch
30 spm psi psi M.D 5603 ft
40 spm psi psi T.V.D 5603 ft
Pre-Volume Data: Length Capacity Volume Time
f t.
Pump strokes
bbls/ft bbls minutes
Drill pipe x =
Heavy Wall Drill pipe x = Volume Pump Strokes
Pump Slow Pump
Rate
Drill Collars x = Displacement
Drill String Volume (D) bbi (E) 950.00 stks min
DC x Open Hole x =
DP / HWDP x Open Hole x =
Open Hole Volume (F) bbi 670.00 stks min
DP x Casing x =(G) bbi 1925.00 stks min
Total Annuulus Volume (F+G) = (H) bbi 2530.00 stks min
Total Well System Volume (D+H) = (I) bbi stks min
Active Surface Volume (J) bbi stks
Total Active Fluid System (I+J) bbi stks
PAGE2 of 12
Name :
International Well Control Forum
Surface BOP (Vertical Well ) Kill Sheet - API Units Date :
Kick Data
SIDPP psi SICP psi Pit Gain bbls
SIDPP
Kill Mud Weight Current Mud Weight +
TVD x 0.052 ppg
KMW
Initial Circulating
pressure Dynamic Pressure Loss + SIDPP psi
ICP
Final Circulating Kill Mud Weight x Dynamic Pressure Loss
Current Mud Weight psi
pressure
FCP
(K) x 100
(K) = ICP - FCP psi = psi/100 strokes
(E)
Static Drill Pipe Pressure (psi)
Strokes Pressure
Strokes
PAGE 3 OF 12
Name :
International Well Control Forum KILL SHEET 2
Surface BOP (Vertical Well ) Kill Sheet - API Units Date :
01.04.02
Formation Strength Data :- Current Well Data:
Surface Leak-off Presure:- (A) 1000 psi Mud Data:
Mud Weight:- (B) 10.6 ppg Weight 10 ppg
Maximum Allowable Mud Weight:- Gradient 0.52 psi/ft
(B) +
(A) = (C) Casing Shoe Data:
shoe True Vertical Depth *0.052 14.4 ppg
Initial MAASP = Size 13 3/8 inch
[(C) - Current Mud Weight] x Shoe TVD x 0.052 = 1156 psi M.D 6000 ft
Pump No. 1 Displacement Pump No. 2 Displacement
T.V.D 5000 ft
0.119 bbls/stroke bbls/stroke
Slow Pump Dynamic Pressure Loss (PL) Hole Data :-
Rate Data :
Pump NO.1 Size 12.25 inch
30 spm 500 psi psi M.D 9500 ft
spm psi psi T.V.D 8000 ft
Pre-Volume Data: Length Capacity Volume Time
f t.
Pump strokes
bbls/ft bbls minutes
Drill pipe 8800 x 0.01776 = 156.29
Heavy Wall Drill pipe 0x 0 = 0.00 Volume Pump Strokes
Pump Slow Pump
Drill Collars 700 x 0.0087 = 6.09 Displacement Rate
Drill String Volume (D) 162.38 bbi (E) 1365 stks 45.48 min
DC x Open Hole 700 x 0.0836 = 58.52
DP / HWDP x Open Hole 2800 x 0.1215 = 340.20
Open Hole Volume (F) 398.72 bbi 3351 stks 111.69 min
DP x Casing 6000 x 0.1353 =(G) 811.80 bbi 6822 stks 227.39 min
Total Annuulus Volume (F+G) = (H) 1210.52 bbi 10172 stks 339.08 min
Total Well System Volume (D+H) = (I) 1372.90 bbi 11537 stks 384.57 min
Active Surface Volume (J) bbi stks
Total Active Fluid System (I+J) bbi stks
PAGE 4 OF 12
Name :
International Well Control Forum KILL SHEET 2
Surface BOP (Vertical Well ) Kill Sheet - API Units Date :
01.04.02
Kick Data
SIDPP 800 psi SICP 850 psi Pit Gain 12 bbls
SIDPP
Kill Mud Weight Current Mud Weight +
12
TVD x 0.052 ppg
KMW
SIDPP
Kill Mud Gradient Current Mud Gradient +
TVD psi/ft
KMG
Initial Circulating
pressure Dynamic Pressure Loss + SIDPP 1300 psi
ICP
Final Circulating Kill Mud Weight
Current Mud Weight
x Dynamic Pressure Loss 600.00 psi
pressure
FCP
(K) x 100
(K) = ICP - FCP 700.00 psi = 51.3 psi/100 strokes
(E)
Static Drill Pipe Pressure (psi)
Strokes Pressure
0 1300 ICP
100 1249
200 1198
300 1147
400 1097
500 1045
600 994
700 943
800 892
900 841
1000 790
1100 739
1200 688
1300 637
1365 600 FCP
Strokes
kill sheet Exercise TEST (3)
Well and Kick Data :
Hole size 12 1/4 in
Hole depth TVD 8000 ft
Hole depth MD 9500 ft
Drilling Fluid density 10 ppg
Casing ( ### in ) TVD 5000 ft
Casing ( ### in ) MD 6000 ft
Drill pipe 5 in capacity 0.01776 bbl/ft
Heavy Wall pipe 5 in 0 ft
Heavy Wall pipe capacity 0 bbl/ft
Drill collars 6 1/4 in 700 ft
Drill collars capacity 0.0087 bbl/ft
Capacity open hole x drill collars 0.0836 bbl/ft
Capacity open hole x drill pipe / HWDP 0.1215 bbl/ft
Capacity casing x drill pipe 0.1353 bbl/ft
Fracture fluid density at the casing shoe 0 ppg
Slow Circulating Rate Pressure at 30 SPM 500 psi
Mud pumps displacement 0.119 bbl/strk
Pit gain 12 bbl
SIDPP 800 psi
SICP 850 psi
Required strokes to displace drilling fluid with kill fluid internal from surface to the bit-
1365 strokes
Required strokes to displace drilling fluid with kill fluid in the annulus from bit to surface-
10172 strokes
Required strokes to displace drilling fluid with kill fluid in the annulus from bit to the casing
shoe - 3351 strokes
kill fluid density (KMW) 12 ppg
Initial Circulating Pressure (ICP) - 1300 psi
Final Circulating Pressure (FCP) - 600 psi
Initial " MAASP " with drilling fluid density ( OMW ) - 1156 psi
" MAASP " when hole is displaced with kill fluid - 636 psi
Required time for complete circulation at 30 SPM - 385 minutes
Height of influx 144 ft
Gradient of influx 0.17278 psi/ft
kill sheet Exercise TEST (3)
LEAK OFF TEST 1000 psi
TEST MUD WEIGHT 10.6 ppg
Well and Kick Data :
Hole size 12 1/4 in
Hole depth TVD 8000 ft
Hole depth MD 9500 ft
Drilling Fluid density 10 ppg
Casing 13 3/8 in ) TVD 5000 ft
Casing 13 3/8 in ) MD 6000 ft
Drill pipe 5 in capacity 0.01776 bbl/ft
Heavy Wall pipe 5 in 0 ft
Heavy Wall pipe capacity 0 bbl/ft
Drill collars 8x3 in 700 ft
Drill collars capacity 0.0087 bbl/ft
Capacity open hole x drill collars 0.0836 bbl/ft
Capacity open hole x drill pipe / HWDP 0.1215 bbl/ft
Capacity casing x drill pipe 0.1353 bbl/ft
Fracture fluid density at the casing shoe 0 ppg
Slow Circulating Rate Pressure30 SPM 500 psi
Mud pumps displacement 0.119bbl/strk
Pit gain 12 bbl
SIDPP 800 psi
SICP 850 psi
Required strokes to displace drilling fluid with kill fluid internal from surface to the bit-
------------- strokes
Required strokes to displace drilling fluid with kill fluid in the annulus from bit to surface-
------------- strokes
Required strokes to displace drilling fluid with kill fluid in the annulus from bit to the casing
shoe - ------------- strokes
kill fluid density (KMW) ---------- ppg
Initial Circulating Pressure (ICP) - ---------- psi
Final Circulating Pressure (FCP) - ---------- psi
Initial " MAASP " with drilling fluid density ( OMW ) - ---------- psi
" MAASP " when hole is displaced with kill fluid - ---------- psi
Required time for complete circulation at 30 SPM - ---------- minutes
Height of influx ---------- ft
Gradient of influx ---------- psi/ft
PAGE 7 OF 12
Name :
International Well Control Forum
Surface BOP (Deviated Well ) Kill Sheet - API Units Date :
Current Well Data:
Formation Strength Data :- Mud Data:
.
Surface Leak-off Pressure:- (A) psi Weight ppg
Mud Weight:- (B) ppg Gradient psi/ft
Maximum Allowable Mud Weight:-
(B) + (A) = Deviation Data:
shoe True Vertical Depth *0.052
(C) ppg KOP MD ft
Initial MAASP = KOP TVD ft
[(C) - Current Mud Weight] x Shoe TVD x 0.052 = EOB MD ft
psi EOB TVD ft
Pump No. 1 Displacement Pump No. 2 Displacement Casing Shoe Data:
Size inch
500 bbls/stroke bbls/stroke M.Depth ft
T.V.Depth ft
Slow Pump Dynamic Pressure Loss (PL) Hole Data :-
Rate Data : Pump NO.1 Pump NO.2 Size inch
30 spm 500 psi psi M.Depth ft
spm psi psi T.V.Depth ft
Pre-Volume Data: Length Capacity Volume Pump strokes stks Time
f t.
bbls/ft bbls minutes
DP - Surface to KOP x = (L) stks
DP - KOP to EOB x = (M) stks
DP - EOB to BHA x = (N1) stks
Heavy Wall Drill pipe x = (N2) stks
Drill Collars x = (N3) stks
Drill String Volume (D) bbl stks min
DC x Open Hole x =
DP / HWDP x Open Hole x =
Open Hole Volume (F) bbl stks min
DP x Casing x =(G) bbl stks min
Total Annuulus Volume (F+G) = (H) stks min
Total Well System Volume (D+H) = (I) bbl stks min
Active Surface Volume (J) bbl stks min
Total Active Fluid System (I+J)
PAGE 8 OF 12
Name :
International Well Control Forum
Surface BOP (Deviated Well ) Kill Sheet - API Units Date :
Kick Data
SIDPP 800 psi SICP 850 psi Pit Gain 12 bbls
SIDPP
Kill Mud Weight Current Mud Weight + TVD x 0.052 = ppg
KMW
Initial Circulating
pressure Dynamic Pressure Loss + SIDPP = psi
ICP
Final Circulating Kill Mud Weight x Dynamic Pressure Loss
Current Mud Weight = psi
pressure
FCP
Dynamic Pressure
KOP
TD
Loss at KOP PL +
[
(FCP - PL) x
MD
MD
] = psi
(O)
Remaining SIDPP
at KOP SIDPP - [ ( KMW - OMW ) x 0.052 x KOP TVD] = psi
(P)
Circulating Pressure
at KOP (O) + (P) = psi
( KOP CP )
Dynamic Pressure
EOB
TD
Loss at EOB PL +
[
(FCP - PL) x
MD
MD
] = psi
(R)
Remaining SIDPP
at EOB SIDPP - [ ( KMW - OMW ) x 0.052 x EOB TVD] = psi
(S)
Circulating Pressure
at EOP (R) + (S) = psi
(EOB CP )
( T ) X 100
( T ) = ICP - KOP CP psi
= psi/100 strokes
(L)
( U ) X 100
( U ) = KOP CP - EOB CP psi = psi/100 strokes
(M)
( W ) X 100
( W ) = EOB CP - FCP psi (N1+N2+N3)
= psi/100 strokes
PAGE 9 OF 12
Name :
International Well Control Forum
Surface BOP (Deviated Well ) Kill Sheet - API Units Date :
PAGE 10 OF 12
Name :
International Well Control Forum
Surface BOP (Deviated Well ) Kill Sheet - API Units Date :
Exercise R
Use the Kill sheets to assist you in answering questions U 14*.1 to U* 14.9
Well Data :
Hole size in
Hole depth TVD ft
Hole depth MD ft
Kick - off point MD/TVD ( KOP ) ft
Build rate is deg/100ft
Final inclination deg/100ft
End of build ( EOB )
Casing ( in ) TVD ft
Casing ( in ) MD ft
Drill pipe 5 in capacity bbl/ft
Heavy Wall pipe 5 in ft
Heavy Wall pipe capacity bbl/ft
Capacity B.H.A. bbl/ft
HWDP is situated in vertical section from 3000 ft to 3489 ft.
Bottom B.H.A. Bit - 6 1/2" Motor 6 1/2" MWD ft
Capacity open hole x B.H.A. bbl/ft
Drilling Fluid density ppg
Capacity open hole x drill pipe / HWDP bbl/ft
Capacity casing x drill pipe bbl/ft
Drill string lay - out B.H.A. - 10931 ft DP - 489 ft HWDP - 3000 ft DP
Fracture fluid density at the casing shoe ppg
SIDPP psi
SICP psi
Mud pumps displacement bbl/strk
Slow Circulating Rate Pressure at SPM psi
Pit gain bbl
Required strokes to displace drilling fluid with kill fluid internal from surface to the bit-
------------- strokes
Required strokes to displace drilling fluid with kill fluid in the annulus from bit to surface-
------------- strokes
Required strokes to displace drilling fluid with kill fluid in the annulus from bit to the casing
shoe - ------------- strokes
kill fluid density (KMW) ----------- ppg
Initial Circulating Pressure (ICP) - ----------- psi
Final Circulating Pressure (FCP) - ----------- psi
Initial " MAASP " with drilling fluid density ( OMW ) - ----------- psi
" MAASP " when hole is displaced with kill fluid - ----------- psi
Required time for complete circulation at 30 SPM - -----------minutes
Height of influx ----------- ft
Gradient of influx ----------- psi/ft
