Monitor drilling performance
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The document discusses drilling operations for Well ABC over a 12 day period. It provides details of daily drilling activities such as drilling intervals, running and cementing casing, waiting on cement, drilling issues encountered and resolutions, running logs, and rigging down operations. It also includes a cost control summary tracking hourly costs by activity.
Monitor drilling performance
- 1. Monitor Drilling performance based on (Time – Depth – Cost) Curve Operation Geologist Practical use and reference
- 2. PROPOSED WELL 0 10 20 30 40 50 60 70 80 90 100 0 20 40 60 80 100 120 140 160 1/Jan/89 1/Jan/90 1/Jan/91 1/Jan/92 1/Jan/93 1/Jan/94 1/Jan/95 1/Jan/96 1/Jan/97 1/Jan/98 1/Jan/99 1/Jan/00 1/Jan/01 1/Jan/02 1/Jan/03 1/Jan/04 1/Jan/05 1/Jan/06 1/Jan/07 1/Jan/08 1/Jan/09 wc（%） Gross/OilRate(bblper/day) Date Gross (BFPD) Oil Rate (BOPD) 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 1 2 3 4 5 6 7 Daily oil per well (bbl/day) Water Cut (%) 0 13-3/8" 20 Meter 100 9 5/8" 100 Meter 200 300 400 5.1/2" TD 440 Meter 500 Well ABC MBLB z z Well ABC Well ABC Forecast Example inWellABCDrilling
- 3. DRILLING WELL OPERATION 7 Nov 2012 Day 1 Prepare to Spud-In and Pree Job Safety Meeting. SPUD-IN WELL ABC At 07:00 hours on 07 november 2012 Drill out form 12 1/4" Hole to 58 M. stop drill Doe To problem on shale shaker . Repair shale shaker. Continue drill out formation from 58 M to 122 M. 8 Nov 2012 Day 2 Continued drill out formation from 122 M to 135 M. Circulated for cleaning hole (GPM: 400, SPP: 240 psi. POOH 12-1/4" TCB + BHA Assembly from 135 M to surface (found balling on 12-1/4" bit and 6-1/2" DC. RIH back 12-1/4" TCB + BHA Assembly from surface to 135 M. Circulated for cleaning hole (GPM: 390, SPP: 210 psi. POOH 12-1/4" TCB + BHA Assembly from 135 M to surface. Prepared for RIH csg 9-5/8". PJSM prior to run 9-5/8 "csg. RIH 9-5/8" casing (11 jts # 40 ppf, K-55, BTC-R3) to 132 M (set shoe 9-5/8" csg). RIH stinger + DP 5" to 132 M for Cementing 9-5/8" csg. Circulated prior to cementing job. No Cementing engineer stand by at location Well ABC. Wait on cementing engineer while break circulated (GPM: 425, SPP: 180 psi). 9 Nov 2012 Day 3 Continue wait on cementing engineer while break circulated (GPM: 425, SPP: 180 psi). R/U Cementing line and presure test to 2000 psi, Hold 5 min - ok. Hold safety meeting prior cementing job;- Pump preplush as water ahead, 0,5 m3 @ rate 0.8 m3/min; Mix and pump slurry 15.8 ppg, 6.62 m3 @ rate 0.8 m3/min; Displace w/ water 1.16 m3 @ rate 0.8 m3/min. Cip (cement in place) @ 08:25 hours. WOC 10 Nov 2012 Day 4 Continue WOC. Break off landing joint and L/D same. Moved 44 jts 5-1/2 casing F/Yard to KM#606 location (RIG SITE); Moved 10 big saxs of bentonite F/Yard to Well ABC location Example inWellABCDrilling
- 4. DRILLING WELL OPERATION 11 Nov 20xx Day 5 Continue rolling crane from KME base camp to XJ-450 rig site. N/U BOP 11-5/8" X 5 K & relate, fungtion test BOPS "OK". Press test annular, pipe rams and blind rams to 1000 psi each for 5 minutes "OK". RIH W/8-1/2 PDC BIT TO TAC SHOE (132). Drill out shoe and CMT to 134 M. /134 M to 175 M." 12 Nov 20xx Day 6 Continue drill out formation with 8-1/2" PDC + BHA from 175 m to 222 m (WOB/RPM/SPP/GPM/Last ROP/ROP Ave.= 1- klbs/58/480 psi/404 GPM/10.2 mph/19.6 mph). Founded mud loss 12 bbls/mnt @ interval 220 m - 222 m with lithologi: coal. Circulate while mixing mud in active tank. /RPM/SPP/GPM/Last ROP/ROP Ave.= 1-5 klbs/58/500 psi/448 GPM/47,20 mph/17.9 mph). Stop drilling formation due to founded loss total @ interval 374 m - 378 m. total mud loss = 280 bbls. Continue drill out formation with 8-1/2" PDC + BHA from 222 m to 378. Stop drilling formation due to founded loss total @ interval 374 m - 378 m. total mud loss = 280 bbls. Last lithologi: sandstone (80%), Claystone(20%). POOH 8-1/2" PDC + BHA from 378 m to 250 m while mixing mud to active tank. Mixing mud to active tank. 13 Nov 20xx Day 7 Continue mixing mud to active tank. RIH Back 8-1/2" PDC +BHA from 250 m to 378 m. Circulate (GPM: 444, SPP: 400 psi). Blind drill with 8-1/2" PDC + BHA from 378 m to 380 m. founded loss totally. Total mud loss: 390 bbls. POOH 8- 1/2" PDC + BHA FROM 378 M TO 318 M while mixing mud to active tank. wait on water for fill active tank and mixing mud. circulate f/check annulus and still founded loss. pull out bit 8-1/2" PDC + BHA from 318 m to 125 m (casing shoe) while mixing mud + LCM to active tank. Break circulate (GPM: 444, SPP: 400 psi). At shoe no loss (OK). run back from 132 m (casing shoe) to 241 m (6 stand). Break circulate (GPM: 444, SPP: 400 psi). Good return. run back from 241 m to 378 m (botton). drill out formation f/378 to 436 m (WOB/RPM/MFI/SPP/Last ROP/ROP Ave = 1-9 klbs/40- 60/430 GPM/480 psi/25,76 mph/25,21 mph). Founded partial loss 2 - 4 bpm. Example inWellABCDrilling
- 5. DRILLING WELL OPERATION 14 Nov 2012 Day 8 Continue drill out formation f/ 436 m to 456 m (Total Depth). Circulate for clening hole (GPM: 391, SPP: 460 psi). POOH 8-1/2" PDC + BHA from 456 m to surface for run electrical logging. R/u DQWL and prepare Tools. Run wireline logging. 1.MSFL - DLL - DT - GR - SP - CAL. 2.HRL - GR, R/D DQWL Unit. RIH 8-1/2" Bit PDC + BHA to botton (456). Circulate for cleaning hole (GPM: 391, SPP: 460 psi). /2". LTD 5 jts DC 6-1/2", 1 jts DC7", Bit Sub, 8-1/2" PDC. POOH 8-1/2" PDC + BHA from 456 m to surface for running casing 5-1/2". LTD 5 jts DC 6-1/2", 1 jts DC7", Bit Sub, 8-1/2" PDC. N/D BOP S 11-5/8" x 5K psi 15 Nov 2012 Day 9 Continue N/D BOP S 11-5/8" x 5K psi. /surface to bottom casing at shoe 447 Mkb , FC at 436.42 m . Prepare and RIH 5- 1/2" caing (# 17 ppf, L-80, BTC-R3) f/surface to bottom casing at shoe 447 Mkb , FC at 436.42 m . P/up kelly for circulate clean hole. R/U cementing line and pressure test to 2000 psi, hold 5 min - OK. Hold safety meeting prior cementing job. Pump preflush as water ahead 0.5 m3/min @ rate 0.8 m3/min. Displace w/water 1.16 m3 @ rate 0.8 m3/min. Bumped to 500 psi no cement return to surface. CIP (cement In Place) @ 16:00 Hrs. WOC 16 Nov 2012 Day 10 Lay down 40 jts 5" DP and Kelly. Clean up mud tank. prepare to Rig down 17 Nov 2012 Day 11 Continue WOC for 48 hrs - Lower mast. Clean up subtruckture. 40 % Rig Down 18 Nov 2012 Day 12 Continue Rig Down to 60 %. Modify mouse Hole pipe to make longer in progress. While waiting on road condition to move out Rig equipment. Wait on day Example inWellABCDrilling
- 6. COST CONTROLER From To Elapsed 6:00 7:00 1:00 1 1 214.05$ Prepare to Spud-In and Pree Job Safety Meeting 7:00 15:00 8:00 8.00 8 2,854.00$ SPUD-IN WEEL ABC At 07:00 hours on 07 november 20xx Drill out form 12 1/4" Hole to 58 M. stop drill Doe To problem on shale shaker 15:00 17:00 2:00 2 2 570.80$ Repair shale shaker 17:00 0:00 7:00 7.00 7 2,497.25$ Cont'd drill out formation from 58 M to 122 M 0:00 2:30 2:30 2.5 2.5 891.88$ Continued drill out formation from 122 M to 135 M 2:30 3:00 0:30 0.5 0.5 178.38$ Circulated for cleaning hole (GPM: 400, SPP: 240 psi 3:00 6:00 3:00 3.0 3 1,070.25$ POOH 12-1/4" TCB + BHA Assembly from 135 M to surface (found balling on 12-1/4" bit and 6-1/2" DC 6:00 8:00 2:00 2.0 2 713.50$ RIH back 12-1/4" TCB + BHA Assembly from surface to 135 M 8:00 8:30 0:30 0.5 0.5 178.38$ Circulated for cleaning hole (GPM: 390, SPP: 210 psi 8:30 11:00 2:30 2.5 2.5 891.88$ POOH 12-1/4" TCB + BHA Assembly from 135 M to surface 11:00 15:00 4:00 4 4 1,141.60$ Prepared for RIH csg 9-5/8". PJSM prior to run 9-5/8 "csg 15:00 16:30 1:30 1.5 1.5 535.13$ RIH 9-5/8" casing (11 jts # 40 ppf, K-55, BTC-R3) to 132 M (set shoe 9- 5/8" csg) 16:30 19:30 3:00 3.0 3 1,070.25$ RIH stinger + DP 5" to 132 M for Cementing 9-5/8" csg 19:30 20:00 0:30 0.5 0.5 178.38$ Circulated prior to cementing job. No Cementing engineer stand by at location ABC 20:00 0:00 4:00 4 4 856.20$ Wait on cementing engineer while break circulated (GPM: 425, SPP: 180 psi) 0:00 7:00 7:00 7 7 1,498.35$ Cont'd wait on cementing engineer while break circulated (GPM: 425, SPP: 180 psi) 7:00 8:30 1:30 1.5 1.5 535.13$ R/U Cementing line and presure test to 2000 psi, Hold 5 min - ok, '- Hold safety meeting prior cementing job, Pump preplush as water ahead, 0,5 m3 @ rate 0.8 m3/min, Mix and pump slurry 15.8 ppg, 6.62 m3 @ rate 0.8 m3/min, Displace w/ water 1.16 m3 @ rate 0.8 m3/min. Cip (cement in place) @ 08:25 hours. 8:30 15:00 6:30 6.5 6.5 2,318.88$ Pull Out out DP 5" + stringer and L/D same 15:00 0:00 9:00 9 9 1,926.45$ WOC 0:00 9:00 9:00 9 9 1,926.45$ Cont'd WOC 9:00 0:00 15:00 15.0 15 5,351.25$ Break off landing joint and L/D same '- Instaled 9-5/8" x 2000 well head and prepare to N/U 11" x 5 K BOPS, Moved 44 jts 5-1/2 casing F/Yard to ABC location (RIG SITE), Moved 10 big saxs of bentonite F/Yard to ABC 6 location 0:00 7:00 7:00 7 7 1,997.80$ Continue rolling crane from ABC base camp to XJ-450 rig site. N/U BOP 11-5/8" X 5 K & relate, fungtion test BOPS "OK". Press 4 ABC 2 ABC 3 ABC 1 ABC STAND BY W/O CREW TOTAL HOURS TOTAL COST OPERATIONDAY WELL TIME OPERATING MOVING STAND BY W/CREW Example inWellABCDrilling
- 7. 8:30 15:00 6:30 6.5 6.5 2,318.88$ Pull Out out DP 5" + stringer and L/D same 15:00 0:00 9:00 9 9 1,926.45$ WOC 0:00 9:00 9:00 9 9 1,926.45$ Cont'd WOC 9:00 0:00 15:00 15.0 15 5,351.25$ Break off landing joint and L/D same '- Instaled 9-5/8" x 2000 well head and prepare to N/U 11" x 5 K BOPS, Moved 44 jts 5-1/2 casing F/Yard to ABC location (RIG SITE), Moved 10 big saxs of bentonite F/Yard to ABC 6 location 0:00 7:00 7:00 7 7 1,997.80$ Continue rolling crane from ABC base camp to XJ-450 rig site. 7:00 18:00 11:00 11 11 3,924.25$ N/U BOP 11-5/8" X 5 K & relate, fungtion test BOPS "OK". Press test annular, pipe rams and blind rams to 1000 psi each for 5 minutes "OK". 18:00 20:30 2:30 2.5 2.5 891.88$ RIH W/8-1/2 PDC BIT TO TAC SHOE (132). 20:30 21:30 1:00 1 1 356.75$ Drill out shoe and CMT to 134 M. 21:30 0:00 2:30 2.5 2.5 891.88$ Continue Drill formation 8-1/2" Hole F/134 M to 175 M. 0:00 5:00 5:00 5 5 1,783.75$ Continue drill out formation with 8-1/2" PDC + BHA from 175 m to 222 m (WOB/RPM/SPP/GPM/Last ROP/ROP Ave.= 1- klbs/58/480 psi/404 GPM/10.2 mph/19.6 mph), Founded mud loss 12 bbls/mnt @ interval 220 m - 222 m with lithologi: coal 5:00 6:00 1:00 1 1 356.75$ Circulate while mixing mud in active tank 6:00 23:00 17:00 17 17 6,064.75$ Continue drill out formation with 8-1/2" PDC + BHA from 222 m to 378 (WOB/RPM/SPP/GPM/Last ROP/ROP Ave.= 1-5 klbs/58/500 psi/448 GPM/47,20 mph/17.9 mph). Stop drilling formation due to founded loss total @ interval 374 m - 378 m. total mud loss = 280 bbls. Last lithologi: sandstone (80%), Claystone(20%) 23:00 23:30 0:30 0.5 0.5 178.38$ POOH 8-1/2" PDC + BHA from 378 m to 250 m while mixing mud to active tank 23:30 0:00 0:30 0.5 0.5 107.03$ Mixing mud to active tank 0:00 2:30 2:30 2.5 2.5 535.13$ Continue mixing mud to active tank 2:30 3:30 1:00 1 1 356.75$ RIH Back 8-1/2" PDC +BHA from 250 m to 378 m 3:30 4:00 0:30 0.5 0.5 178.38$ Circulate (GPM: 444, SPP: 400 psi). Blind drill with 8-1/2" PDC + BHA from 378 m to 380 m. founded loss totally. Total mud loss: 390 bbls 4:00 5:00 1:00 1 1 356.75$ POOH 8-1/2" PDC + BHA FROM 378 M TO 318 M while mixing mud to active tank 5:00 10:00 5:00 5 5 1,070.25$ wait on water for fill active tank and mixing mud 10:00 11:00 1:00 1 1 356.75$ circulate f/check annulus and still founded loss 11:00 13:00 2:00 2 2 713.50$ pull out bit 8-1/2" PDC + BHA from 318 m to 125 m (casing shoe) while mixing mud + LCM to active tank 13:00 13:30 0:30 0.5 0.5 178.38$ Break circulate (GPM: 444, SPP: 400 psi). At shoe no loss (OK) 13:30 15:00 1:30 1.5 1.5 535.13$ run back from 132 m (casing shoe) to 241 m (6 stand) 15:00 15:30 0:30 0.5 0.5 178.38$ Break circulate (GPM: 444, SPP: 400 psi). Good return 15:30 17:30 2:00 2 2 713.50$ run back from 241 m to 378 m (botton) 17:30 0:00 6:30 6.5 6.5 2,318.88$ drill out formation f/378 to 436 m (WOB/RPM/MFI/SPP/Last ROP/ROP Ave = 1-9 klbs/40-60/430 GPM/480 psi/25,76 mph/25,21 mph). Founded partial loss 2 - 4 bpm 0:00 1:30 1:30 1.5 1.5 535.13$ Continue drill out formation f/ 436 m to 456 m (Total Depth) 1:30 3:00 1:30 1.5 1.5 535.13$ Circulate for clening hole (GPM: 391, SPP: 460 psi) 3:00 7:00 4:00 4 4 1,427.00$ POOH 8-1/2" PDC + BHA from 456 m to surface for run electrical 4 ABC 5 ABC ABC 7 ABC 6 COST CONTROLER Example inWellABCDrilling
- 8. 10:00 11:00 1:00 1 1 356.75$ circulate f/check annulus and still founded loss 11:00 13:00 2:00 2 2 713.50$ pull out bit 8-1/2" PDC + BHA from 318 m to 125 m (casing shoe) while mixing mud + LCMto active tank 13:00 13:30 0:30 0.5 0.5 178.38$ Break circulate (GPM: 444, SPP: 400 psi). At shoe no loss (OK) 13:30 15:00 1:30 1.5 1.5 535.13$ run back from 132 m (casing shoe) to 241 m (6 stand) 15:00 15:30 0:30 0.5 0.5 178.38$ Break circulate (GPM: 444, SPP: 400 psi). Good return 15:30 17:30 2:00 2 2 713.50$ run back from 241 m to 378 m (botton) 17:30 0:00 6:30 6.5 6.5 2,318.88$ drill out formation f/378 to 436 m (WOB/RPM/MFI/SPP/Last ROP/ROP Ave = 1-9 klbs/40-60/430 GPM/480 psi/25,76 mph/25,21 mph). Founded partial loss 2 - 4 bpm 0:00 1:30 1:30 1.5 1.5 535.13$ Continue drill out formation f/ 436 m to 456 m (Total Depth) 1:30 3:00 1:30 1.5 1.5 535.13$ Circulate for clening hole (GPM: 391, SPP: 460 psi) 3:00 7:00 4:00 4 4 1,427.00$ POOH 8-1/2" PDC + BHA from 456 m to surface for run electrical logging 7:00 10:00 3:00 3 3 642.15$ R/u DQWL and prepare Tools 10:00 15:30 5:30 5.5 5.5 1,962.13$ Run wireline logging 1. MSFL - DLL - DT - GR - SP - CAL 2. HRL - GR, R/D DQWL Unit 15:30 18:30 3:00 3 3 1,070.25$ RIH 8-1/2" Bit PDC + BHA to botton (456) 18:30 19:00 0:30 0.5 0.5 178.38$ Circulate for cleaning hole (GPM: 391, SPP: 460 psi) 19:00 23:00 4:00 4 4 1,427.00$ POOH 8-1/2" PDC + BHA from 456 m to surface for running casing 5-1/2". LTD 5 jts DC 6-1/2", 1 jts DC7", Bit Sub, 8-1/2" PDC 23:00 0:00 1:00 1 1 356.75$ N/D BOP S 11-5/8" x 5K psi 0:00 7:00 7:00 7 7 2,497.25$ Continue N/D BOP S 11-5/8" x 5K psi 7:00 14:30 7:30 7.5 7.5 2,675.63$ Prepare and RIH 5-1/2" caing (# 17 ppf, L-80, BTC-R3) f/surface to bottom casing at shoe 447 Mkb , FC at 436.42 m . 14:30 15:00 0:30 0.5 0.5 178.38$ P/up kelly for circulate clean hole 15:00 16:00 1:00 1 1 356.75$ R/U cementing line and pressure test to 2000 psi, hold 5 min - OK '- Hold safety meeting prior cementing job '- Pump preflush as water ahead 0.5 m3/min @ rate 0.8 m3/min '- Displace w/water 1.16 m3 @ rate 0.8 m3/min. Bumped to 500 psi no cement return to surface. CIP (cement In Place) @ 16:00 Hrs 16:00 0:00 8:00 8 8 1,712.40$ WOC 10 ABC 0:00 0:00 0:00 24 24 5,137.20$ Continue WOC for 48 hrs '- Lay down 40 jts 5" DP and Kelly, '- Clean up mud tank, '- prepare to Rig down 0:00 18:00 18:00 18 18 3,852.90$ - Continue WOC for 48 hrs - Lower mast 18:00 0:00 6:00 6 6 1,712.40$ - Clean up subtruckture, '- 40 % Rig Down 6:00 18:00 12:00 18 18 3,852.90$ - Continue Rig Down to 70 %, '- Modify mouse Hole pipe to make longer in progress, '- While waiting on road condition to move out Rig equipment 18:00 0:00 6:00 6 6 1,712.40$ Wait on day 148.00 7.00 18.00 109.00 282 52,799.00 1,997.80 5,137.20 23,331.45 11.75 Total Hours 83,265.45$ 8 ABC 7 ABC 12 ABC 9 ABC 11 ABC COST CONTROLER Example inWellABCDrilling
- 9. Plan Vs. Actual • Multi engineers, geosciences, & finance together discuss scenario for the completion of the well. • Finally the (Time – Depth – Cost) curve been generated to monitor Drilling performance. • TDC curve usually used to presenting Drilling performance WELL SCHEMATIC PAGE 1 of 1 Job CODE FIELD : SE Asia WELL NO: ABC CHARGE TO : AFE 12-1234 DATE : 8/8/20xx RECOMMENDATION : Swab Test & Isolate High WC Zone(s) Well Kill Fluid Density : 8.4 ppg CURRENT STATUS : Production Est. Pump : 415 LATEST TEST : 5 BOPD %WC (7/31/14) SFL / WFL / FAP : - m/ - m/ - m RIG DAYS : 11.0 ( all cash ) EST. GAIN : 30 BOPD RT - GL - KB : 4.7 / 79 / 86.7 PBTD/TD : 455m / 455m WELL TYPE : SOW LOG DATE : 7/11/2012 Important Note: * Do not kill, equalize well w/FFW as necessary PROCEDURE: 11 JTS 9 5/8" K-55, 1 Spud in Drill formation to 122 m with 12-1/4” RB, (Nov.7, 2012) 40PPF, R-3 2 Cont’ drilling from 122 m to 134 m, with 12-1/4” RB, Circulate, POOH BTC CASING, 12¼" TCB + BHA 134 m to surface. RIH back 12¼" TCB + BHA from SHOE @132m surface to 134 m. Circulate. POOH 12¼" TCB + BHA from 134 m to surface. RIH 9-5/8" casing (# 40 ppf, K-55, BTC-R3) to 132 M(set shoe 9-5/8" csg). RIH stinger + DP 5" to 132. Circulated. (Nov.8, 2012) 3 Cont’ R/U cementing line and pressure test to 2000 psi, pump flush, mix and pump slurry 15.8 ppg, 6.62 m3 @ rate 0.8 m3/min, displace with water. CIP (cement in place) @ 08:25 hrs. Pull out DP 5" + stringer and L/D same. WOC (Nov.9, 2012) 4 Cont’ WOC. Break out L/D joint and same. Install Well Head 9- 5/8" X 5K psi and Prepare to N/U BOP 11" X 5K psi. (Nov.10, 2012) S4 5 BOP S 11-5/8" X 5K. M/U and RIH 8-1/2" PDC + BHA to 132 m (Top of Cement) Drilling & FS w/ 8-1/2" PDC + BHA from 132 m to 134 m with 284.0 - 285.0 m 8-1/2" PDC + BHA from 134 m to 175 m WOB/RPM/SPP/GPM/Last S5 (05 Jul 20xx) ROP/ROP) (Nov.11, 2012) 6 Cont’ drilling with 8-1/2" PDC + BHA from 175 m to 222 m. Circulate 304.4 - 305.4 m Continue drilling out formation with 8-1/2" PDC + BHA from 222 m to S6 (12-19 Sep 20xx) 378 m. mud loss = 280 bbls. POOH 8-1/2" PDC + BHA from 378 m to 250 m Nov.(12, 2012) 324.4 - 326.0 m 7 RIH back 8-1/2" PDC + BHA from 250 m to 378 m. Circulate. Pull out bit 8-1/2" PDC + BHA from 318 m to 125 m( casing shoe). Circulate Run 327.0 - 327.6 m back from 132 m ( casing shoe ) to 241 m (6 stand). Circulate . Run back from 241 m to 378 m (bottom). Drilling formation from378 m to Pump set (PSN) @340m 329.0 - 329.6 m 436 m (Nov.13, 2012) S7B 8 Cont’ drill out formation f/ 436 m to 455 m. Circulate. POOH 8-1/2" PDC + BHA from 455 m to surface for run logging. Run logging 1. MSFL 375.0 - 376.0 m - DLL - DT -GR - SP – CAL 2. HRL – GR RIH 8 1/2" Bit PDC + BHA to Bottom (455 m). Circulate POOH 8-1/2" PDC + BHA from 455 m to 379.0 - 381.0 m surface for running casing 5 1/2". (Nov.14, 2012) S7C 9 RIH 5-1/2" casing (# 17 ppf, L-80, BTC-R3) from surface to 447 m (set csg shoe). Circulate clean hole Cementing job 5-1/2" csg. Pump 392.6 - 393.6 m preflush. CIP (cement in place) at 16:00 WIB hrs. WOC, MLU released R/D all equipments (Nov.15, 2012) 395.0 - 396.0 m PBTD @425m (CBL) Shoe @ 447m Surface Casing 11 JTS 9-5/8", 40.00ppf, K-55, R3, BTC Casing, shoe @132m Prod Casing 38 JTS 5-1/2", 17.00 PPF, L-80, R-3,BTC CASING. FLOAT SHOE @447.0m & F.C @436.42m. PLAN ACTUAL 70.9 BFPD 93 COST US$ : 771,219 TD @ 455m TD @ 455m RECOMENDATION: The well wasdrilledtoTD @455m on (07-15 Nov 20xx). The well wasIC on (02-07 Jul 20xx) by perforatingS4sand (284.0-285.0m). The well wasPOPon 07 Jul 20xx at 11:00am. Recompletionwasdone on(12-19 Sep20xx) to perforate S5sand (304.4-305.4m), S6 sand (324.4-326.0m, 327.0-327.6m, 329.0-329.6m), S7B sand(375.0-376.0m, 379-381m) andS7C (392.6-393.6m, 395.0-396.0m). Afterloweringthe pumpandsetPSN @375m on 27 Sep 2013, the well wasPOPwithinitial productionat 122BFPD/36BOPD/70% WC. Currentproduction: 70.88BFPD/5.25BOPD/93%WC Example inWellABCDrilling
- 10. 20m 12m 100m 134m 440m 447m TD @440m TD @455m TECHNICAL DATA WELL NAME ABC LOCATION SE ASIA A -> B Drill hole 12 1/4" until 100 m 0.1 1.0 TARGET X: 123456 B -> C Put & cemen the casing 9 5/8", Prepare to drill hole 8 1/2" 2.4 2.0 Y: 7654321 C -> D Drill hole 8-1/2" until + 440m 2.3 4.0 Elevation 74 D -> E Put & cement the casing 5 1/2" and put wellhead 1.2 1.2 Drilling type Vertical E -> F perforation and POP 2.5 3.5 Well Class Development TD 440 meter Rig 450 hp A -> F Total 8.5 11.7 Rig Floor 4.8m AFE 12-1234 TIME - DEPTH - COST CURVE CODE DESCRIPTION PLAN & ACTUAL PLAN & ACTUAL DAYS $- $10,000 $20,000 $30,000 $40,000 $50,000 $60,000 $70,000 $80,000 $90,000 -750 -650 -550 -450 -350 -250 -150 -50 0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 Depth(M) Days PLAN & ACTUAL DRILLINGWELL-ABC (DRILLING DESIGN) C A B C B D E F Rollingcrane fromABC base camp & Drill out shoe POOHDue to losses C B D E F