bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
00:00 - 01:00: Continued backreaming from 2778m to 2691m. MAX torque 15000 NM. RPM 140. Pump pressure 200 bar at 128 SPM.
01:00 - 06:00: Continued backreaming from 2691m to 2130m. MAX torque 15000 NM. RPM 140. Pump pressure 180 bar at 128 SPM.
06:00 - 11:00: Continued backreaming from 2130m to 1069m. Working tight spots at 1972m and 1685m.
11:00 - 15:00: POOH, changed bit and MWD PRS-SUB.
15:00 - 16:30: Recheck aligment between mudmotor and MWD tool, this due to a difference of 30 deg. Between BHA no. 11 and BHA no. 12. The same tool was used in both BHA'S.
16:30 - 19:00: RIH to 1480m breaking circulation every 500m.
19:00 - 20:30: Slipped and cut drilline. Serviced top drive.
20:30 - 21:00: Took pressure readings for hydraulic calculations.
21:00 - 00:00: Continued RIH from 1480m to 2983m breaking circulation every 500m.

24-hour summary: backreaming out of hole. drill bit. Rechecked alignment of MWD and mudmotor. to shoe. and cut drilline. RIH to 2925m. down from 2925m to 3050m. to get survey, NEG. 12 1/4" hole from 3050m to 3052m.
Hourly activities:
00:00 - 01:00: Washed/reamed from 2983m to 3050m. Tight spot at 2925m.
01:00 - 01:30: Attempted to get survey, NEG. much noise from system)
01:30 - 06:00: Drilled 12 1/4" hole from 3050m to 3052m with limited penetration- rate. Varied all drilling parameters with no apparent gain.
06:00 - 13:30: POOH. Worked tight spot at 2993m. Flowchecked at shoe-neg.
13:30 - 14:30: Laid down mud motor.
14:30 - 22:30: Made up BOP test-tool. RIH and test BOP to 20 bar 200 bar. POOH with test tool.
22:30 - 00:00: Made up new bit and mud motor. RIH to 37m. Tested mud motor and MWD.

24-hour summary: down mud motor. BOP up new bit and mud motor. to 2207m.
Hourly activities:
00:00 - 06:00: Continued RIH from 37m to 2207m. Broke circulation every 500m.
06:00 - 07:30: Continued RIH from 2207m to 2956m.
07:30 - 08:30: Reamed down from 2956m to 3050m.
08:30 - 13:00: Drilled 12 1/4" hole from 3050m to 3082m. Flow checked drilling brake at 3063m NEG.
13:00 - 15:00: Drilled/steared 12 1/4" hole from 3082m to 3099m. Had problems recieving tool phase readings, and stalling of bit. Problem time 70 min.
15:00 - 16:00: Reamed one stand for gamma ray log. Used 20 min to obtain survey at 3084m. To identify bottom sand.
16:00 - 20:00: Drilled/steared 12 1/4" hole from 3099m to 3137m. Lost 20 min trying to establish tool phase.
20:00 - 21:30: Unable to obtain tool phase for stearing. Mud pump no 1 down. To much noise in system to obtain readable signal from MWD.
21:30 - 00:00: Pulled up to 2990m to circulate bottoms up. Worked past spot at 3050m. Started circulating hole clean. 0. 5kg increasing to 11kg cuttings per 15 seconds.

24-hour summary: RIH from 2207m to 3050m. 12 1/4" hole from 3050m to 3137m. Had problems with readings from MWD. to 2990m. hole clean. to 2738m.
Hourly activities:
00:00 - 04:30: Continued circulating hole clean at 2990m. MAX amount of cuttings over shaker 19kg per 15 seconds. Stopped when level came down to 4,9 kg. Circulated with 144 SPM on DP, 50 SPM on riser and 160 RPM. Estimated amounts of cuttings circulated out 10m3.
04:30 - 06:00: POOH from 2990m to 2738m. Tight spot at 2982m.
06:00 - 07:00: Continued pulling up from 2738m to 2500m.
07:00 - 07:30: Ran back in hole to TD at 3137m.
07:30 - 08:00: Drilled 12 1/4" hole from 3137m to 3141m.
08:00 - 09:30: Attempted to get survey NEG. MWD tool failure.
09:30 - 17:00: POOH to change MWD tool.
17:00 - 18:00: Cleaned ester mud on rig floor and under rotary.
18:00 - 23:30: Picked up new MWD and PRS-SUB and RIH to 1343m.
23:30 - 00:00: Picked up hang-off stand and prepared to hang off due to weather conditions.

24-hour summary: to 2500m. to 3137m. 12 1/4" hole from 3137m to 3141m. tool failed. to change MWD tool. with new assembly and hung off same due to bad weather. riser to seawater. O. W.
Hourly activities:
00:00 - 00:30: Hung off drill string in wellhead and retrieved hang off string.
00:30 - 01:30: Displaced riser to sea water.
01:30 - 06:00: W. O. W. See remarks for details.
06:00 - 14:00: W. O. W, see remarks for details.
14:00 - 15:00: Positioned rig back over template.
15:00 - 15:30: Displaced riser back to 1. 6 s. G. Mud.
15:30 - 17:00: Retrieved drillstring from wellhead.
17:00 - 18:30: POOH with hang off assembly, redressed same.
18:30 - 19:30: Repaired upper racking arm.
19:30 - 00:00: RIH from 1343m to 3141m. Worked tight spot at 2980m. Reamed last stand to TD.

24-hour summary: O. W. rig back over template. drillstring. upper racking arm. from 1343m to 3141m. problems with MWD tool signals. 12 1/4" hole from 3141m to 3157m. MWD signal problem. 12 1/4" hole from 3157m to 3168m from 3166-3168m)
Hourly activities:
00:00 - 01:00: Unable to obtain readable signals from MWD. 45 min lost time.
01:00 - 02:00: Drilled 12 1/4" hole from 3141m to 3157m.
02:00 - 04:00: Troubleshooting system to get readable data from MWD. Unable to detect source of problem. Obtained survey by using mudpump no. 3 at 115 stks. Suction module on mud pump no. 1 developed a leak, had to be changed out.
04:00 - 04:30: Drilled 12 1/4" hole from 3157m to 3166m.
04:30 - 05:00: Took survey at 3143m. Had problems with MWD signal.
05:00 - 05:30: Pump no. 3 lost suction due to leak in supercharge filterbox.
05:30 - 06:00: Steared 12 1/4" hole from 3166m to 3168m. With good signals from MWD. Using mud pump no. 2 at 125 stks.
06:00 - 07:00: Drilled/orientated 12 1/4" hole from 3168m to 3174m. Good MWD readings. Used mud pump no. 2 at 2020lpm.
07:00 - 07:30: Took SCR. Lined up mud pumps no. 2 and 3.
07:30 - 09:30: Drilled 12 1/4" hole from 3174m to 3188m. Drilling parameters 160 RPM, 2330lpm, 265bar.
09:30 - 10:00: Attempted to take survey, negative. Lost 40 minutes.
10:00 - 11:30: Drilled 12 1/4" hole from 3188m to 3195m.
11:30 - 14:00: Took survey at 3195m. Orientated from 3195m to 3198m. Used mud pump no. 2 at 2020lpm. Changed to mud pump no. 3 at 3196m due to washout in valve on pump no. 2. Had continously problems with locking on to MWD signal and with mud motor stalling out. Lost 1,5 hrs. Finally managed to orientate using both mud pumps no. 2 and 3.
14:00 - 14:30: Drilled 12 1/4" hole from 3198m to 3202m. Drilling parameters 2390lpm, 270bar. No gamma ray or directional data obtained.
14:30 - 16:30: Orientated 12 1/4" hole from 3202m to 3204m. Had problems with directional data and with mudmotor stalling out. Lost 1,5 hrs on actual survey problems.
16:30 - 17:30: POOH to 2898m. Tight spots at 3046m and 3010m. Started circulating buttoms up with 2556lpm, 270bar, 165rpm.
17:30 - 21:30: Circulated hole clean. MAX amount of cuttings over shakers was 8,7 kg/15 sec. Circulation rate 2500 ltrs on DP and 750 ltrs on riser. 160 RPM on string. Racked two stands back while reaming.
21:30 - 22:30: Anadrill replaced transducer on top of standpipe. Pumped through cement hose on pump-in sub while reciprocating string. Pump speed 1600 LPM.
22:30 - 00:00: Started pulling up to 2500m from 2842m to perform tests on anadrill MWD equipment.

24-hour summary: 12 1/4" hole from 3168m to 3174m. 12 1/4" hole from 3174m to 3188m. to get survey. NEG. 12 1/4" hole from 3188m to 3195m. from 3195m to 3198m, had problems with MWD tool. 12 1/4" hole from 3198m to 3202m. from 3202m to 3204m, had problems with MWD tool. to 2898m and circulated well clean. Changed out transducer on top of standpipe. to 2500m and tested out MWD equipment. Everything OK. to 3204m. to orient 12 1/4" hole, having problems with MWD.
Hourly activities:
00:00 - 00:30: Finished pulling up to 2500m from 2621m to perform tests on anadrill MWD equipment.
00:30 - 01:30: Tested MWD equipment with varying pumping speeds. Equipment functioning properly, able to get both surveys and toolphase.
01:30 - 03:00: RIH from 2500m to 3204m. Worked tight area from 2974m to 2985m.
03:00 - 06:00: Attempted to orient 12 1/4" hole, but having problems keeping toolphase. MWD logging unit is recieving to much noise. Toolphase is obtained when tool is stationary. When moving DP, toolphase fluctuates and when bit is on bottom toolphase is lost. Increase in pressure on bottom is 5 bar.
06:00 - 08:30: Orientated 12 1/4" hole from 3204m to 3214m. Having synchronizing problems with MWD.
08:30 - 11:30: Orientated 12 1/4" hole from 3214m to 3215m. Having synchronizing problems with MWD and bit stalling out.
11:30 - 14:30: POOH to 2495m. Worked tight spots at 3030m, 2990m and 2965m.
14:30 - 16:00: Circulated hole clean. MAX amount over shaker during circulation 6,8 kg/15 sec. Circulation rate 2675 LPM on drillstring, 750 LPM on riser. 180 RPM.
16:00 - 23:00: POOH.
23:00 - 00:00: Laid down anadrill MWD equipment.

24-hour summary: 12 1/4" hole from 3204m to 3215m. to 2945m and circulated hole clean. to change MWD. to 2963m.
Hourly activities:
00:00 - 06:00: Picked up new bit and teleco MWD-TOOL. RIH to 2963m. No time lost rigging up teleco equipment.
06:00 - 07:00: Finished RIH to 3215m. Reamed last stand.
07:00 - 23:30: Drilled and orientated 12 1/4" hole from 3215m to 3303m. Reamed twice after each stand drilled. Orientated with 2150lpm 240-250bar. Drilled with 2270lpm 270bar 160 RPM, problems with stalling from 3235m to 3237m. Drilled hard stringers and had problems building angle from 3290m to 3296m.
23:30 - 00:00: Reamed and circulated with 2300 LPM/170 RPM with no apperent increase in torque readings. MAX amount cuttings over shakers 11,5 kg/15 sec.

24-hour summary: RIH to 3215m. 12 1/4" hole from 3215m to 3303m. and circulated last stand to observe torque. 12 1/4" hole from 3303m to 3311m. hard stringer from 3311m to 3315m. 12 1/4" hole from 3315m to 3321m.
Hourly activities:
00:00 - 02:30: Orientated 12 1/4" hole from 3303m to 3311m. 2200 LPM 240-250bar. Drilled through hard stringers at 3308m and 3310m.
02:30 - 03:30: Had to drill through a hard section from 3311m to 3315m. Using 2200ltrs 165 RPM MAX 15tonn.
03:30 - 06:00: Orientated 12 1/4" hole from 3315m to 3321m. Had stalling problems from 3316m to 3319m.
06:00 - 06:30: Circulated to clean hole, pumping 2307 LPM with 260 bar.
06:30 - 09:00: Drilled and orientated from 3321 to 3331 m. Had stalling problems in steering mode.
09:00 - 12:00: Worked pipe and circulated hole clean, pumping 2326 LPM with 260bar and 172 RPM. MAX cuttings over shakers 15,4 kg/15 sec.
12:00 - 00:00: Drilled and orientated from 3331 to 3389 m. Had stalling problems in steering mode.

24-hour summary: Circ hole clean drill/oriented from 3321 to 3331 m worked pipe, circ. Hole clean drill/oriented from 3331 to 3389 m had stalling problems
Hourly activities:
00:00 - 06:00: Continued drilling and orientating from 3389 to 3436 m. Had stalling problems when steering.
06:00 - 10:30: Cont drilling 12 1/4" hole from 3436 to 3475 m. Attempted to orientate at 3460 m.
10:30 - 13:30: Worked pipe and circulated hole clean, pumping 2390 LPM with 172 RPM and 273 bar. MAX cuttings over shakers in end of drilling 18 kg/15 sec MAX cuttings during circ 9,7 kg/15 sec.
13:30 - 23:30: Drilled from 3475 to 3562 m. Attempted to orientate at 3461 m. Orientated from 3509 to 3513,5 m. Had drilling breake at 3489 m flowhecked.
23:30 - 00:00: Circulated hole clean, pumping 2270 LPM with 172 RPM and 260 bar.

24-hour summary: Drilled from 3389 to 3475 m. Circulated hole clean, MAX cuttings over shaker 9,7 kg/15 sec. Drilled from 3475 to 3562 m. Circ hole clean.
Hourly activities:
00:00 - 06:00: Continued hole cleaning, pumping 2270 LPM with 172 RPM and 260 bar. MAX cuttings over shakers 17,2 kg/15 sec. Started treated mud at 0500 hrs.
06:00 - 11:00: Continued circulating for hole cleaning and treated mud. Pumped 2206 LPM with 164 RPM and 244 bar. MAX cuttings over shakers 2,2 kg/15 sec.
11:00 - 11:30: Drilled 12 1/4" hole from 3562 to 3580 m. Drilling break at 3570 m.
11:30 - 15:00: Circulated bottoms up for formation sample. Pumped 2200 LPM, 20 and 160 RPM.
15:00 - 19:00: POOH to 2100 m to run 9 5/8" CSG. Reamed through tight spot at 3025 m.
19:00 - 19:30: Secured exlog hose to kelly hose.
19:30 - 21:00: Cont POOH to 6 stds above 13 3/8" CSG shoe. Flowchecked 20 min while m/u hang-off tool.
21:00 - 21:30: RIH with hang-off tool. Released tool. Bit depth 1390 m.
21:30 - 22:00: POOH with landing string.
22:00 - 22:30: Displaced riser to seawater.
22:30 - 00:00: Waiting on weather.

24-hour summary: Cont circ hole clean and treated mud drilled 12 1/4" hole from 3562 to 3580 m circ btms up for sample POOH to 1300 m RIH with hang-off tool and hang off with bit at 1390 m released hang-off tool and POOH displaced riser to SW waiting on weather
Hourly activities:
00:00 - 06:00: Cont waiting on weather, for details see gereral remarks.
06:00 - 00:00: Waited on weather for weather details, see general remarks.

24-hour summary: Waited on weather
Hourly activities:
00:00 - 06:00: Cont waiting on weather.
06:00 - 10:00: Continued waiting on weather.
10:00 - 12:00: P/u 9 5/8" CSG hanger and plugs, m/u to running tool. Racked hanger assy back in derrick.
12:00 - 15:00: RIH with hang-off retrieving tool to 101 m. Displaced riser to 1,60 SG mud. Engaged drill string and POOH with retrieving tool.
15:00 - 15:30: RIH to 1490 m.
15:30 - 17:30: Circulated and conditioned mud
17:30 - 21:00: Cont RIH from 1490 to 3580 m. Broke circ every 500 m. Reamed tight spot at 3009 m.
21:00 - 00:00: Circulated and treated mud.

24-hour summary: CSG hanger riser to mud hang-off tool to 3580, circ every 500 m. and treated mud at 3480 m
Hourly activities:
00:00 - 05:30: Cont circulation and treated mud, redused MW from 1,62 to 1,60 SG. Pumped 2200 LPM with 264 bar and 135 RPM.
05:30 - 06:00: Flowchecked 10 min, POOH to run 9 5/8" casing, at 3480 m.
06:00 - 15:00: Cont POOH with 12 1/4" bit from 3480 m. Backreamed from 3030 to 2990 m flowchecked at 2350 and 1475 m. L/d bit and BHA, dumped memory on MWD tool.
15:00 - 17:30: RIH with jet sub and washed BOP/WH, m/u spring loaded tool and cont RIH and retrieved wear bushing. Performed measurements.
17:30 - 18:30: Repaired upper racking arm
18:30 - 19:30: POOH, l/d WB. Washed WH seal area and BOP and cont POOH.
19:30 - 22:00: R/u to run 9 5/8" casing, inst tam tool. Held pre-job meeting with crew
22:00 - 00:00: Ran shoe jnt, 1 CSG jnt and float jnt, checked float. Thread locked shoe jnt and float jnt to intermeditate jnt. Ran 9 5/8" CSG to 76 m. Filled every jnt with 1,60 SG mud.

24-hour summary: POOH from 3480 m RIH, washed BOP and WH area,retrieved wear bushing reparied upper racking arm washed WH, POOH r/u and RIH with 9 5/8" casing at 810 m
Hourly activities:
00:00 - 06:00: Continued running 9 5/8" casing from 76 to 810 m. Recorded up and down WT.
06:00 - 08:00: Cont running 9 5/8"casing from 810 to 980 m.
08:00 - 08:30: Repaired gantry crane
08:30 - 12:00: Cont running casing from 980 to 1460 m.
12:00 - 14:00: Installed tam pkr, circ hole slowly at 80 LPM incrasing to 275 LPM. Recorded loss. Checked surface pits for leaks. Monitored well on trip tank, well static, no loss to formation during circulation.
14:00 - 14:30: Problems to reset tam packer
14:30 - 17:00: Installed tam-pkr. Increased pump rate in steps of 80 LPM to 598 LPM. Had full returns, circ bottoms up
17:00 - 18:00: Installed 500 MT elevat0r and spider
18:00 - 00:00: Cont running casing from 1460 to 2210 m

24-hour summary: Ran 9 5/8" casing from 810 to 1460 m circulated btms up cont RIH to 2747 m
Hourly activities:
00:00 - 06:00: Cont running casing from 2210 to 2747 m
06:00 - 12:30: Cont running 9 5/8" casing from 2747 to 3228 m held operation meeting with crew.
12:30 - 14:30: Engaged tam-packer. Broke circulation gently, circulated while wow. Prepared 10 3/4" CSG equip.
14:30 - 17:00: Cont running casing from 3228 to 3390 m
17:00 - 18:30: Replaced 9 5/8" CSG equip with 10 3/4" CSG equip. M/u x-over held operation meeting with crew
18:30 - 19:00: RIH with 10 3/4" casing from 3390 to 3442 m
19:00 - 20:00: R/d 10 3/4" casing equip and r/u 6 5/8" DP equip
20:00 - 21:30: Ran 10 3/4" casing hanger and landing string. Landed hanger at 2140 hrs with 9 5/8" shoe at 3569,3 m
21:30 - 00:00: Circulated well, reduced MW from 1,60 to 1,55 SG. Treated mud for mud properties

24-hour summary: Ran 9 5/8" CSG to 3228 m wow cont RIH with 9 5/8" and 10 3/4" casing ran CSG hanger and landing sting and landed casing in WH circulated well to reduce MW from 1,60 to 1,55 SG
Hourly activities:
00:00 - 06:00: Cont circulation to reduce MW from 1,60 to 1,55 SG. Treated mud. Pumped 810-1437 LPM with 34-45 bar
06:00 - 13:30: Cont circulation to reduce MW from 1,60 to 1,55 SG. Treated mud. Pumped 1440 LPM with 40 bar
13:30 - 15:00: Pumped 30 m3 1,55 SG omc-2 treated petrofree mud followed by 44 m3 1,55 SG bentonite mud
15:00 - 17:30: Pumped 11,5 m3 1,70 SG spacer. Dropped ball for bottom plug. Mixed and pumped 32 m3 1,94 SG cement slurry. Dropped dart and displaced cement with 1,3 m3 mix water and 2,0 m3 1,55 SG petrofree mud.
17:30 - 19:00: Displaced cement with 1,55 SG petrofree mud pumping with rig pumps. Press build up to 190 bar after 89,9 m3 pumped. Calculated volume 126,2 m3 to bump plug.
19:00 - 22:00: Checked out surface equipment. Bleed off press to 20 bar, recieved 1200 ltr back. Checked out and found all cement to be left in casing. Press up CSG to 300 bar attempting to open up casing NEG. Bleed off pressure.
22:00 - 00:00: R/d surface equip, backed out FMC single trip running tool from hanger POOH and l/d seal assy

24-hour summary: and reduced MW from 1,60 to 1,55 SG 30 m3 treated mud and 44 m3 bentonite mud spacer and mixed and pumped 32 m3 CMT slurry CMT with mud, press increased after 90,4 m3 out surface equip, press up CSG to 300 bar surface equip out running tool, POOH and l/d seal assy w/jet sub and washed WH,INSTALLED WB 8 1/2" BHA to drill CMT
Hourly activities:
00:00 - 03:00: L/d CMT head and x-overs. Changed elevator links, r/d stabbing board. R/u head on lower racking arm.
03:00 - 05:00: M/u and RIH with jet sub, washed WH area, m/u wear bushing and cont RIH, set WB and POOH
05:00 - 06:00: P/u and m/u new 8 1/2" BHA.
06:00 - 06:30: Cont m/u 8 1/2" BHA. Not able to install float, replaced bit sub and float.
06:30 - 08:30: Cont m/u BHA and RIH to 115 m.
08:30 - 09:30: POOH due to bad weather
09:30 - 17:30: Displaced riser to SW. Prepared to unlatch lmrp, closed shear-ram. Unlatched lmrp at 1640 hrs. Deballasted rig to survival draft. Pulled rig 25 m off location.
17:30 - 00:00: Waited on weather

24-hour summary: 8 1/2" BHA, problems with bit sub to 115 m due to bad weather riser to SW. Unlatched lmrp
Hourly activities:
00:00 - 06:00: Cont waiting on weather
06:00 - 19:00: Continued waiting on weather
19:00 - 21:30: Deballasted rig to 21 m and pulled rig on location
21:30 - 23:30: Cleared out guidelines around BOP stack with ROV. Installed new guideline no 2 with ROV
23:30 - 00:00: Installed diverter handling tool.

24-hour summary: Waited on weather positioned rig over well ran guide wire no 2 landed lmrp pulled WB
Hourly activities:
00:00 - 01:30: Released diverter and prepered to land lmrp.
01:30 - 03:00: Ballasted rig to drilling draft
03:00 - 06:00: Ri and landed lmrp, pulltested with 25 MT. Installed diverter element and l/d handling tools
06:00 - 07:00: Press tested BOP kill and choke stabs. 345 bar/10 min
07:00 - 08:30: Displaced riser to 1,55 SG petrofree mud
08:30 - 10:00: Retrieved wear bushing
10:00 - 11:30: M/u cement cleanout tool and RIH. Washed wellhead and POOH
11:30 - 13:00: M/u seal assy, RIH and installed in WH. Press tested seal assy to 345 bar
13:00 - 15:30: Press tested BOP on blue pod
15:30 - 16:30: Attempted to operate failsafe NEG. Searced for malfunction and found booster bottles on BOP not charged. Opened accumulator isolator and continued press testing BOP.
16:30 - 18:30: Press tested BOP. Function tested acoustic system.
18:30 - 19:00: Pulled out BOP test tool
19:00 - 20:00: Press tested shear ram 345 bar.
20:00 - 21:00: Run and installed wear bushing
21:00 - 21:30: Service-broke tam-packer, l/d on deck
21:30 - 00:00: M/u 8 1/2" bit, BHA and RIH to drill CMT in 9 5/8" casing broke circ every 500 m

24-hour summary: Press tested k/c lines displaced riser to petrofree mud retrieved WB run seal assy press tested BOP, problems with failsafe valves run WB RIH with 8 1/2" bit to drill CMT drilled plug and CMT from 2502 to 2510 m
Hourly activities:
00:00 - 04:30: Cont RIH from 170 to 2502 m broke circ every 500 m
04:30 - 06:00: Drilled dart plug from 2502 m, continued drilling CMT from 2502,5 to 2510 m
06:00 - 00:00: Continued drilling with 8 1/2" bit in 9 5/8" casing from 2510 to 2937 m

24-hour summary: Drilled CMT in 9 5/8" casing from 2510 to 3040 m
Hourly activities:
00:00 - 06:00: Continued drilling cement from 2937 to 3040 m
06:00 - 00:00: Continued drilling cement with 8 1/2" bit in 9 5/8" casing from 3040 to 3391 m

24-hour summary: Drilled CMT in 9 5/8" casing from 3040 to 3422m backreamed 5 STD circulated hole clean m/u hang-off tool and RIH hang-off DP and POOH with landing string displaced riser to SW wow
Hourly activities:
00:00 - 01:30: Cont drilling CMT in 9 5/8" casing from 3391 to 3422 m
01:30 - 03:30: Circulated 15 min and backreamed 5 stds, continued circ hole clean due to bad weather.
03:30 - 06:00: M/u TIW and hang-off tool. Ri and hang-off in WH, POOH displaced riser to seawater and closed s/r prepared to unlatch lmrp
06:00 - 13:00: Waited on weather. De-ballasted rig 2,1 m.
13:00 - 14:30: Re-ballasted rig to drilling draft. Opened shear ram and displaced riser back to 1,55 SG mud.
14:30 - 16:30: Ran in to wellhead and reconnected to drill string. Racked hang-off stand in derrick. L/d inside BOP.
16:30 - 17:00: Ran in to 3393m. Washed to 3422m.
17:00 - 19:30: Drilled cement from 3422m to 3452m.
19:30 - 21:00: Circulated bottoms up
21:00 - 21:30: Ran in to 3543m. Took weight.
21:30 - 23:00: Drilled wiper plug, float and shoe. Cleaned rat hole.
23:00 - 00:00: Pulled back into 9 5/8" casing. Circulated bottoms up.

24-hour summary: Wow. Ran in and re-connected string. Drilled cement from 3422 to 3452m and circ. Bu. Ran in to 3543m, drilled plug, float and shoe, cleaned rat hole. Circ. Hole clean and POOH.
Hourly activities:
00:00 - 01:00: Continued circulating hole clean. Slugged pipe.
01:00 - 06:00: POOH. Racked BHA in derrick. Broke bit.
06:00 - 11:00: Rigged up wireline. RIH with gyro, unable to pass 1230m. POOH.
11:00 - 15:30: Made up 8 1/2" bit and 9 5/8" casing scraper. Ran in to 2675m. Broke circulation at 1200 and 2400m.
15:30 - 16:30: Took weight up to 20 MT from 2503 m to 2675 m. Circ. Bottoms up to clean hole.
16:30 - 18:00: Continued running in to 3545m.
18:00 - 21:00: Worked casing scraper from 3525m to 3545m. Circulated hole clean and conditioned mud.
21:00 - 00:00: POOH from 3545m.

24-hour summary: Ran gyro, unable to pass 1230m. POOH. RIH with casingscraper to 3545m. POOH. Rigged up for gyro.
Hourly activities:
00:00 - 01:00: Continued POOH to 1300m.
01:00 - 02:30: Pumped out of hole from 1300m to 1030m.
02:30 - 03:00: Circulated bottoms up.
03:00 - 05:00: Continued POOH. Broke bit and casing scraper. Racked BHA.
05:00 - 06:00: Rigged up for wireline.
06:00 - 12:00: Ran gyro to 3500m. POOH and l/d tool. R/d wireline
12:00 - 12:30: M/u jet tool. Washed wellhead. L/d jet tool.
12:30 - 14:00: M/u baker cement retainer and RIH to 85m. Pipe did not fill. POOH and l/d retainer.
14:00 - 22:00: M/u alpha cement retainer and RIH to 3535m.
22:00 - 22:30: Released slips and set retainer by pulling 20 tons overpull. Set down 10 tons to verify setting, OK.
22:30 - 00:00: Lined up to pressure test cement retainer. Flushed lines and attempted pressure testing surface lines against fail safe valve to 100 bar, negative. Tested cement unit, OK. Lined over from test line to cement line and attempted pressure testing against fail safe, NEG.

24-hour summary: Ran gyro ran baker cement retainer. Pipe did not fill up. L/d retainer. Ran alpha cement retainer, set/tested same at 3535m. Retrieved wear bushing and seal assembly.