wtwtdirectional.xls

ell Name: Location: Rig: CDG 15 Date: Engineer: Well Meas. TD ft 8500 KOP ft 5000 Hole Size in 7 7/8 Drill Collar Length ft 620 Well TVD ft 7000 Drill Pipe OD in 4 1/2 Drill Pipe ID in 3 1/8 Drill Collar OD in 6 1/4 Last Csg Set TD ft 5500 Csg Shoe TVD ft 5500 Casing ID in 8 1/8 Mud Wt. ppg 10.00 SIDPP psi 400 SICP psi 600 Pit Gain bbl 14.0 BOP psi 8000 Leak Off Gradient psi/ft 0.80 Pump Efficiency 96.0% SlowP.S.strks/min 1 Slow Speed P.Pressure psi 700 Mud Tank Volume bbl 520 Pump Liner Sz in 5 1/2 Pump Rod Sz in 0 Stroke Length in 12 Working Pumps N o 1 pump 8.55299E-07 0.0095 0.398 80.6 3387 0.0406 1.704 121.7 5112 0.0445 1.867 244.5 10270 446.9 18769 520 21840 446.9 18769 43.6 1832 Pump Output= 0.0846 bbl/min Hydrostatic Pressure at TD = 3640 psi MACP with Original Mud in csg = 1540 psi Formation Press = 4040 psi New MACP with Kill Mud = 1226 psi Csg Shoe Fracture Pressure = 4400 psi Mud Wt. Increase = 1.10 ppg Csg Shoe Pressure at Shut-in = 3458 psi Kill Mud Wt. = 11.10 ppg Csg Shoe Pressure with kick at Csg Shoe = 3417 psi Baryte Addition = 1.60 ppg I. C. Pressure (RSPP + SIDDP) = 1100 psi Total Baryte = 64994 Lbs Pump Strokes to KOP in D.P. = 538 strokes Number of 40kg Sacks Required = 737 sacks Drill Pipe Pressure Drop to KOP = 860 psi Mixing Rate of = 0.06 6 lbs/min F. C. Pressure to bit and on = 777 psi Volume Gain from Baryte Addition = 43.6 bbl Rates of D.P. Press Drop : Surface to KOP = 10 psi per 22 strokes and KOP to Bit = 10 psi per 46 strokes < Pump Strokes, Time in Minutes, D.P. Pressure (in psi) Reduction Schedule 1100 ICP 1068 1035 1003 971 938 906 874 842 809 777 FCP 777 777 777 strokes 0 72 145 217 289 361 434 506 620 767 915 bit 1605 2295 csg 5069 min 0 72 145 217 289 361 434 506 620 767 915 1605 2295 5069 400 600 1100 600 777 620 0 620 777 559 777 870 0 0 3458 Pump is Kill Mud at Old Mud Wt. 3417 at Pump Stks The Pump The Well is started the Bit. Circulation 4154 Stopped Shut-in & and I.C. and Final Pump's Off Resumed Kick's out and the Pressures Pressure Circulating and the at Pump Stks at Pump Stks Well is Pump Stks Stabilized Pump Stks established Pump Stks Pressure Pump Stks Well is Pump Stks 2295 Pump Stks 5069 Pump Stks SHUT-IN set @ 14 915 is in Effect 915 Shut-in 1193 ew 3417 Kill Mud's up 5069 Vass Karatzas 99-10-22 Drill Pipe 8500 WELL CONTROL DATA SHEET for Wt. & Wt. METHOD Length ft bbl/ft Capacity gal/ft bbl Volume gal Time (min) Pump Strokes Sundance 2-5-40-19W4 5069 2774 Csg Annulus 5500 915 915 OH Annulus 3000 1381 1381 KICK at Csg SHOE GAS to SURFACE Baryte Vol. Gain 495 495 C ALCULATIONS for K ILLING THE WELL > Bit < Steady D.P. Press to Surface > 40kg Sacks/min or VOLUMES and PUMPING TIMEs TOTAL MUD 10968 10968 Mud Tanks 5899 5899 2774 Hole Totals 5069 0 0 870 777 559 777 620 0 620 777 600 1100 600 400 3417 3458 1 0 6 8 p s i 1 0 3 5 p s i 1 0 0 3 p s i 9 7 1 p s i 9 3 8 p s i 9 0 6 p s i 8 7 4 p s i 8 4 2 p s i 8 0 9 p s i 7 7 7 p s i 7 7 7 p s i 7 7 7 p s i 7 7 7 p s i 500 600 700 800 900 1000 1100 1200 0 72 145 217 289 361 434 506 620 767 915 1605 2295 5069 D R I L L P I P E P R E S S U R E , p s i PUMP STROKES DRILL PIPE PRESSURE REDUCTION SCHEDULE Csg Csg Written by Vass Karatzas WHITE TOWER CONSULTING Ltd. Comments: [email protected] 0 14 915 915 1193 3417 4154 2295 5069 5069

wtwtdirectional.xls

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