7/28/2019 WtWtVertpsi.xls
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Well Name: Location: Rig: CDG 15 Date: Engineer:
Well TD ft 12000 Hole Size in 7 7/8 Drill Collars OD in 6 1/4
Drill Collar Length ft 600
Drill Pipe OD in 4 1/2 Drill Pipe ID in 3 7/8 Drill Pipe Wt.
lb/ft 16.4 Mud Weight ppg 15.00
Last Csg ID in 8 1/8 Csg Wt. Lb/ft 24.00 Last Csg Set at TD ft
9000 Leak OffGradient psi/ft 1.00
SIDPP psi 500 SICPpsi 1040 Pit Gain bbl 20.0 BOPpsi 5000
Pump Efficiency 96.0% Slow P.strks/min 1 Slow Speed P.Pressure
psi 700 Mud Tank Volumebbl 800
Pump Liner Szin 5 1/2 Pump Rod Szin 0 Stroke Length in 12
Working Pumps No 1 pum
0.0146 0.613 175.0 7352
0.0406 1.704 121.7 5112
0.0445 1.867 400.1 16805
696.9 29269
800.0 33600
1496.9 62869
61.0 2563
0.010816 1092.683 PumpOutput= 0.0846 bbl/min
Initial Kick Fluid Gradient: 0.072 psi/ft I. C. Pressure (RSPP +
SIDDP) = 1200 psiPossibleKick type: Gas Final Circulating Pressure=
737 psiHydrostatic Pressure at TD = 9360 psi Mud Wt. Increase= 0.80
ppg
Formation Press= 9860 psi Kill Mud Wt.= 15.80 ppgCsg Shoe
Fracture Pressure= 9000 psi Baryte Addition= 1.45 ppg
MACPwith Original mud in csg= 1986 psi Total Baryte = 90912
lbsNew MACPwith Kill Mud = 1610 psi Number of40kgSacksRequired =
1031 sacks
Csg Shoe Pressure at Shut-in= 8055 psi Mixing Rate of= 0.06 5
lbs/mCsg Shoe Pressure with kick at Csg Shoe= 7966 psi Volume
Gainfrom Baryte Addition= 61.0 bbls
Rate ofD.P. Pressure Drop fromSurface to the Bit = 10 psi per 43
strokes
< Pump Strokes, Time in Minutes, D.P. Pressure (inpsi)
Reduction Schedule
1200 ICP 1154 1107 1061 1015 969 922 876 830 784 737 FCP 737 737
73
strokes 0 199 397 596 794 993 1191 1390 1588 1787 1986 bit 2676
3366 csg 79
min 0 199 397 596 794 993 1191 1390 1588 1787 1986 2676 3366
79
500 1040 1200 1040 737 1017 0 1017 944 951 737 1922 0 0
8055 Pump is Kill Mud at Old Mud Wt. 7966 at Pump Stks The P
The Well is started the Bit. 5919 Sto
Shut-in & and I.C. and Final Pump's Off Kick's out an
Pressures Pressure Circulating and the at Pump Stks at Pump Stks
W
Pump Stks Stabilized Pump Stks established Pump Stks Pressure
Pump Stks Well is Pump Stks 3366 Pump Stks 7905 Pump Stks SHU
set @ 40 1986 is in Effect 1986 Shut-in 1100 New MAC 4757
KillMud'sup 7905
Csg Annulus
Vass Karatzas99-10-22
bblVolumegalbbl/ft Capacitygal/ft Time (min)1986
1381
12000
> Bit < Steady D.P. Press to Surfac
692
4539
7905
9075
16980
4539
40kg Sacks/minor
KICK at Csg SHOE GAS to SURFACE
692
Hole TotalsMud Tanks
TOTAL MUDBaryte Vol. Gain
7905
9075
16980
or . .
Length ftDrill PipeOH Annulus
Pump Strokes1986
1381
VOLUMES and PUMPING TIMEs
Sundance 2-5-40-19W4
CALCULATIONS for KILLING THE WELL
3000
9000
001922737951944101701017737104012001040500
79668055
1154p
si
1107p
si
1061
psi
1015p
s
i
969
psi
922
psi
876p
si
830
psi
784
psi
737
psi
737
psi
737
psi
3
500
600
700
800
900
1000
1100
1200
1300
0 199 397 596 794 993 1191 1390 1588 1787 1986 2676 3366 79
DRILLPIPEPRESSURE,psi
PUMP STROKES
DRILL PIPE PRESSUREREDUCTION SCHEDULE
Written byVass KaratzasWHITE TOWER CONSULTING
Ltd.Comments:[email protected]
Csg Csg
0 198640 1986 1100
3366
5919
4757
7905
7905
