bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
00:00 - 00:45: Drilled soft cement from 3401 m to 3413 m. Parameters 2000 LPM/ 150-160 bar. 40 RPM/ 11-14 KNM. Wob 2-3 ton. ROP 20-25 m/hr.
00:45 - 04:30: Drilled bottom plug and landing collar from 3413 m to 3414 m. Parameters 1800 2000 LPM/ 120 bar. RPM 30 50/ 11-16 KNM. Wob 7-10 ton. ROP 0,5 1m/ HR.
04:30 - 06:00: Drilled soft cement in shoe track from 3414 m to 3434 m. Parameters 2000 LPM/ 148-150 bar. 50 RPM/ 11-14 KNM. Wob 2-4 ton. ROP 25 m/hr.
06:00 - 06:30: Drilled cement in shoe track from 3434 m to 3440 m. Parameters 2000 LPM/ 147-150 bar. 50 RPM/ 12-14 KNM. Wob 2-4 ton. ROP 25 m/hr.
06:30 - 08:00: Drilled 9 5/8" reamer shoe from 3440 m to 3441 m. Parameters 2000 2200 LPM/ 147-185 bar. 50 RPM/ 12-17 KNM. Wob 0-2 ton. ROP 0,5-2 m/hr. String stalled out several times and pressure increased with 20-30 bar.
08:00 - 10:15: Timedrilled rest of shoe with steady parameters from 3441 m to 3442 m. Parameters 2200 LPM/ 180 bar, 60 RPM/ 12-18 KNM. Wob 0-2 ton. Had no clear indication of going out of shoe. Checked shoe/ rathole twice, OK.
10:15 - 12:45: Drilled 4 m new formation and 8 1/2" hole from 3442 m to 3446 m. Parameters 2200 LPM/ 172 176 bar, 60 RPM/ 12-17 KNM, wob 1-2 ton. ROP 1-3 m/hr.
12:45 - 13:00: Checked rathole shoe with and without rotation, OK.
13:00 - 13:45: Pumped 4 m3 LCM pill and displaced same as balanced pill. Parameters 1000 LPM in DP and 800 LPM through BHA.
13:45 - 14:30: POOH slowly from 3446 m to 3332 m. Meanwhile pressure tested surface lines prior to fit.
14:30 - 14:45: Pumped 1 m3 OBM to clear MWD tools of any LCM.
14:45 - 15:00: R/u for fit, checked line up and flushed lines.
15:00 - 15:30: Performed fit to 1,55 SG EMW by pressuring up to 68 bar at cement unit. Volume pumped 919 l/ bled back 900 l. Meanwhile changed out drill line guide.
15:30 - 15:45: R/d fit equipment.
15:45 - 16:15: Planned maintenance continued changed out drill line guide.
16:15 - 16:45: Performed static pressure survey to 1,57 SG to check fit.
16:45 - 17:00: RIH with 8 1/2" BHA from 3332 m to 3446 m.
17:00 - 00:00: Drilled 8 1/2" hole from 3446 m to 3461 m. Parameters 2366 LPM/ 195 bar, 80 RPM/ 14-17 KNM, wob 6-7 ton. ROP 2-4 m/hr. ECD 1,37 SG note used MAX 80-90 RPM until top stabilizer out of shoe. Verified 9 5/8" shoe depth with logging tool to 3441 mmd.

24-hour summary: Drilled 9 5/8 shoetrack, shoe and 4 m new formation to 3446 m. Pumped and displaced 4 m3 LCM pill. POOH to 3332 m. Performed fit to 1,55 SG EMW. RIH to 3446 m. Drilled 8 1/2" hole from 3446 m to 3471 m.
Hourly activities:
00:00 - 02:15: Drilled 8 1/2" hole from 3461 m to 3465 m. Parameters 2366 LPM/ 192 bar, 80 RPM/ 13-16 KNM, wob 5-7 ton. ROP 2-4 m/hr. ECD 1,37 SG
02:15 - 02:30: Performed SCR readings at 3465 mmd/ 2655 mtvd with MW 1,30 SG. MP#1 30 SPM/24 bar 40 SPM/ 34 bar 50 SPM/ 46 bar. MP#3 30 SPM/23 bar 40 SPM/ 34 bar 50 SPM/ 46 bar.
02:30 - 06:00: Drilled 8 1/2" hole from 3465 m to 3471 m. Parameters 2366 LPM/ 192 bar, 80-90 RPM/ 13-16 KNM, wob 4-6 ton. ROP 2-4 m/hr. ECD 1,37 SG
06:00 - 19:15: Drilled 8 1/2" hole from 3471 m to 3506 m. Parameters 2366 LPM/ 186-190 bar, 90-180 RPM/ 13-19 KNM, wob 2-6 ton. ROP 2-6 m/hr. ECD 1,371 SG. Took survey after connection. Varied drilling parameters to optimise ROP.
19:15 - 19:30: Performed SCR readings at 3506 mmd/ 2659 mtvd with MW 1,30 SG. MP#1 30 SPM/24 bar 40 SPM/ 33 bar 50 SPM/ 46 bar. MP#2 30 SPM/23 bar 40 SPM/ 33 bar 50 SPM/ 46 bar.
19:30 - 00:00: Drilled 8 1/2" hole from 3506 m to 3522 m. Parameters 2366 LPM/ 186-190 bar, 140 RPM/ 14-17 KNM, wob 5-6 ton. ROP 4-6 m/hr. ECD 1,371 SG. Varied drilling parameters to optimise ROP. At 3510 m lost the PNG funtionality from ecoscope tool.

24-hour summary: Drilled 8 1/2" hole from 3471 m to 3542 m.
Hourly activities:
00:00 - 06:00: Drilled 8 1/2" hole from 3522 m to 3542 m. Parameters 2385 LPM/ 188-190 bar, 140-150 RPM/ 14-18 KNM, wob 5-6 ton. ROP 3-7 m/hr. ECD 1,372 SG. Varied drilling parameters to optimise ROP.
06:00 - 00:00: Drilled 8 1/2" hole section from 3542 m to 3588 m MD. Drilling parameters flow 2400 LPM SPP 185 bar 140-160 RPM wob 2-7 MT torque 10-20 KNM ECD 1,37 ROP 2-8 m/hrs. Penetration limited by torque and stick/slip. Perfomed MWD survey on connections.

24-hour summary: Drilled 8 1/2" hole section from 3542 m to 3600 m MD.
Hourly activities:
00:00 - 06:00: Drilled 8 1/2" hole section from 3588 m to 3600 m MD. Drilling parameters flow 2400 LPM SPP 185 bar 160-200 RPM wob 5-8 MT torque 10-20 KNM ECD 1,37 ROP 1-3 m/hrs. Penetration limited by torque and stick/slip.
06:00 - 00:00: Drilled 8 1/2" hole section from 3600 m to 3653 m MD. Drilling parameters flow 2400 LPM SPP 185 bar 160-200 RPM wob 4-7 MT torque 15-20 KNM ECD 1,36-1,37 ROP 2-10 m/hrs. Penetration limited by torque and stick/slip. Performed MWD survey on connection.

24-hour summary: Drilled 8 1/2" hole section from 3600 m to 3675 m MD.
Hourly activities:
00:00 - 06:00: Drilled 8 1/2" hole section from 3653 m to 3675 m MD. Drilling parameters flow 2400 LPM SPP 187 bar 200 RPM wob 6-7 MT torque 15-20 KNM ECD 1,36-1,37 ROP 2-10 m/hrs. Penetration limited by torque and stick/slip. Performed MWD survey on connection.
06:00 - 11:15: Drilled 8 1/2" hole section from 3675 m to 3695 m MD. Drilling parameters flow 2400 LPM SPP 187 bar 200 RPM wob 4-9 MT torque 15-20 KNM ECD 1,36-1,37 ROP 2-8 m/hrs. Penetration limited by torque and stick/slip.
11:15 - 11:30: Observed 0,5 m2 gradual gain in active. Checked pits and shaker and compared to geoservice sensors. Picked off bottom and flow checked well static.
11:30 - 12:15: Made decision to POOH for changing BHA. Circulated BHA clear of cuttings at 2400 LPM. Downlinked powerdrive before POOH according to dds instructions.
12:15 - 13:15: POOH with 8 1/2" drilling BHA from 3695 m to 3422 m MD on 5 1/2" DP. Pulled wet pipe.
13:15 - 13:45: Pumped 5 m3 slug of 1,65 SG OBM. Chased slug to drillfloor and allowed mud level to settle.
13:45 - 14:30: Repaired hydraulic leak on aft IR.
14:30 - 15:45: POOH with 8 1/2" drilling BHA on 5 1/2" DP from 3422 m to 2174 m MD. Tripping speed 1000 m/hr.
15:45 - 16:00: Changed from 5 1/2" to 5" handling equipment.
16:00 - 18:00: POOH with 8 1/2" drilling BHA on 5" DP from 2174 m to 178 m MD. Tripping speed 1000 m/hr.
18:00 - 19:00: Flowchecked well on triptanks prior to pulling BHA well static. Removed auto slips and installed masterbushing and bowls in RT.
19:00 - 20:30: Held toolbox talk for laying out BHA. Racked back stand of 5" HWDP. Made up stand of 5" HWDP to accelerator and racked back in derrick. Broke 5" HWDP/JAR stand and laid out single for inspection. Picked up new 5" HWDP and made up to stand, racked back stand in derrick.
20:30 - 21:00: Held toobox talk for handling ra-soruce. Cleared drillfloor of non-essential personnel. Broke connection above echoscope and removed ra source.
21:00 - 22:30: Broke and laid out stethoscope, sonicvison, telescope and echoscope. Inspected and gauged stabilizers and bit. Laid out 8 1/2" powerdrive exceed.
22:30 - 23:00: Cleared and tidied drillfloor.
23:00 - 00:00: Held toolbox talk for using manual tongs. Picked up back-up 8 1/2" powerdrive exceed. Installed bit and bit breaker in RT. Made up 8 1/2" bit to powerdrive exceed using manual tongs. Picked up and made up telescope/mwd.

24-hour summary: Drilled 8 1/2" hole from 3675 m to 3695 m MD. Made decision to POOH for changing BHA. Repaired leak on IR. POOH with 8 1/2" drilling BHA from 3695 m MD to surface. Broke and laid out 8 1/2" drilling BHA. Made up new 8 1/2" drilling BHA. RIH with 8 1/2" drilling BHA to 1722 m MD.
Hourly activities:
00:00 - 01:45: Picked up and made up 2 x 6 7/8" NMDC and ast tool. Picked up and made up 2 x 5 1/2" HWDP singles. Made up stand of jar/5" HWDP and stand of accelerator/5" HWDP. Installed totco ring.
01:45 - 02:00: Removed master bushing and installed auto slips.
02:00 - 03:00: RIH with 8 1/2" drilling BHA on 5" DP from 135 m to 581 m MD.
03:00 - 03:30: Made up TDS. Filled DP with 1,30 SG OBM at 2700 LPM. Tested MWD and powedrive exceed OK.
03:30 - 04:30: RIH with 8 1/2" drilling BHA on 5" DP from 581 m to 1190 m MD.
04:30 - 04:45: Made up TDS and filled DP with 1,30 SG OBM.
04:45 - 05:15: Serviced and greased TDS.
05:15 - 06:00: RIH with 8 1/2" drilling BHA on 5" DP from 1190 m to 1722 m MD.
06:00 - 06:15: RIH with 8 1/2" drilling BHA on 5" DP from 1722 m to 1763 m MD.
06:15 - 06:45: Changed from 5" to 5 1/2" handling equipment. Made up TDS and filled DP.
06:45 - 07:15: RIH with 8 1/2" drilling BHA on 5 1/2" DP from 1763 to 2369 m MD. Tripping speed 1000 m/hrs. Drawwork stopped by sudden incident.
07:15 - 07:30: Investigated hard trip of drawworks.
07:30 - 07:45: Made up TDS and filled pipe.
07:45 - 08:45: RIH on 5 1/2" DP from 2369 m to 2974 m MD. Ran carefully across liner top at 2506 m MD. Tripping speed 600 m/hrs
08:45 - 09:00: Made up TDS and filled pipe.
09:00 - 10:00: RIH on 5 1/2" DP from 2974 m to 3618 m MD. Tripping speed 650 m/hrs.
10:00 - 10:15: Made up TDS and filled pipe.
10:15 - 11:15: Washed down from 3618 m to 3695 m MD. Parameters 2400 LPM SPP 190 bar 60 RPM torque 14 KNM.
11:15 - 11:30: Took SCR'S before start drilling. Jetted bottom of hole.
11:30 - 16:00: Drilled 8 1/2" hole section from 3695 m to 3705 m MD. Drilling parameters flow 2400 LPM SPP 180-188 bar 200 RPM wob 2-4 MT torque 15-20 KNM ROP 2-3 m/hr. Penetration limited by stick/slip. Perfomed MWD survey on connection.
16:00 - 00:00: Issued concent to drill ahead under severe stick/slip conditions. Drilled 8 1/2" hole section from 3705 m to 3816 m MD. Drilling parameters flow 2200 LPM SPP 150-160 bar 200 RPM wob 7-9 MT torque 20-30 KNM ROP 17-20 m/hr. Perfomed MWD survey on connections.

24-hour summary: RIH with 8 1/2" drilling BHA from 1722 m to 3695 m MD. Drilled 8 1/2" hole from 3695 m to 3863 m MD. Recessed drilling for temporary fix of TDS blower hose.
Hourly activities:
00:00 - 01:45: Drilled 8 1/2" hole section from 3816 m to 3839 m MD. Drilling parameters flow 2200 LPM SPP 150 bar 200 RPM wob 7-9 MT torque 20-25 KNM ROP 17 m/hr. Perfomed MWD survey on connections.
01:45 - 02:15: Due to 0,6 m3 gain in active, picked off bottom. Lined up trip tanks and flowchecked well static.
02:15 - 04:15: Drilled 8 1/2" hole section from 3839 m to 3863 m MD. Drilling parameters flow 2200 LPM SPP 155 bar 200 RPM wob 7-9 MT torque 20-25 KNM ROP 17 m/hr. Picked off bottom and recessed operation for repair of TDS blower hose cooling system).
04:15 - 06:00: Made temporary repair on buckled air blower hose on TDS. Meanwhile circulated at 1500 LPM SPP 81 bar while rotating at 20 RPM.
06:00 - 06:15: Made temporary repair on buckled air blower hose on TDS.
06:15 - 22:30: Drilled 8 1/2" hole section from 3863 m to 4159 m MD. Drilling parameters flow 2200-2500 LPM SPP 190-208 bar 200 RPM wob 9-13 MT torque 20-25 KNM ROP 18-28 m/hrs. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions.
22:30 - 23:15: Drilled 8 1/2" hole section from 4159 m to 4167 m MD. Observed continuos left hand tendency of powerdrive despite 20 right setting. Reduced ROP to 10 m/hrs and attempted to set powerdrive to 60 right still observed left hand tendency. Picked off bottom and reamed stand while confering with schulmberger support centre.
23:15 - 00:00: As recommended by support centre, sent 3 consecutive downlinks to powerdrive 1. Reset 2. Hold 3. 60 right.

24-hour summary: Drilled 8 1/2" hole from 3863 m to 4266 m MD.
Hourly activities:
00:00 - 00:15: Drilled 2-3 m 8 1/2" hole to 4170 m MD. Observed no right hand response on powerdrive with 60 right setting.
00:15 - 02:30: Downlinked powerdrive to 80 right hand setting. Drilled 8 1/2" hole section from 4170 m to 4205 m MD. Drilling parameters flow 2500 LPM SPP 205 bar 200 RPM wob 7-9 MT torque 20-22 KNM ROP 20 m/hrs. Obtained right hand movement and change in azimuth from 113 to 117 deg.
02:30 - 06:00: Drilled 8 1/2" hole section from 4205 m to 4266 m MD. Drilling parameters flow 2500 LPM SPP 207-210 bar 200 RPM wob 9-11 MT torque 20-25 KNM ROP 20-25 m/hrs. Performed MWD survey on connections. Downlinked powerdrive according to dds instructions.
06:00 - 08:30: Drilled 8 1/2" hole section from 4266 m to 4306 m MD. Drilling parameters flow 2500 LPM SPP 213 bar 200 RPM wob 10-12 MT torque 20-26 KNM ROP 25-28 m/hrs. Performed MWD survey on connection. Downlinked powerdrive according to dds instructions.
08:30 - 09:00: Inspected, serviced and greased TDS.
09:00 - 19:00: Drilled 8 1/2" hole section from 4306 m to 4482 m MD. Drilling parameters flow 2800 LPM SPP 240 bar 200 RPM wob 9-12 MT torque 21-23 KNM ROP 20-25 m/hrs. Performed MWD survey on connection. Downlinked powerdrive according to dds instructions. Attmepted to reduce torque by adding baralube to the mud, obtained no recordable difference.
19:00 - 00:00: Got problems with DCI system not processing cuttings properly. Picked off bottom and shut down pumps. Discussed situation and decided to continue drilling routing cuttings to skips. Routed cuttings to skips on deck. Continued drilling 8 1/2" hole section from 4482 m to 4523 m MD with reduced penetration rate. Drilling parameters flow 2800 LPM SPP 255-260 bar 200 RPM wob 7 MT torque 18-22 KNM ROP 10 m/hrs. Performed MWD survey on connection. Meanwhile changed impellers on DCI pumps.

24-hour summary: Drilled 8 1/2" hole from 4266 m to 4549 m MD. Stopped drilling due to lakage on DCI manifold. Circulated hole clean. Waited on spare parts from town.
Hourly activities:
00:00 - 02:30: Drilled 8 1/2" hole section from 4523 m to 4549 m MD with reduced penetration rate. Drilling parameters flow 2800 LPM SPP 260 bar 200 RPM wob 7 MT torque 20 KNM ROP 10-15 m/hrs. Tested DCI system after impeller change out. Observed escalating leakage on end hub of DCI manifold. Skips about to be filled unable to drill ahead.
02:30 - 06:00: Traced spare flange adapter to be in dusavik base due out on wednesday boat. Called town and arranged for heli transport of required parts. Circulated hole clean while reciprocating stand. Parameters flow 2500-2800 LPM SPP 213-263 bar 160-200 RPM torque 14-16 KNM.
06:00 - 10:00: Waited on spare parts for DCI to arrive on helicopter. Meanwhile POOH to 4102 m MD to check hole condition.
10:00 - 10:30: Serviced TDS.
10:30 - 16:00: Replaced DCI flange adapter and tested system. Meanwhile reamed back in with 8 1/2" drilling BHA on 5 1/2" DP from 4102 to 4549 m MD. Parameters flow 2000-2800 LPM spp145-270 bar 60 RPM torque 15 KNM.
16:00 - 22:00: Drilled 8 1/2" hole section from 4549 m to 4633 m MD. Drilling parameters flow 2800 LPM SPP 262-266 bar 200 RPM wob 7-11 MT torque 21 KNM ROP 15-25 m/hr. Perfomed MWD survey on connections. Downlinked powerdrive according to dds instructions. Got liner spray alarm on mudpump#2.
22:00 - 22:30: Checked out liner spary alarm on mudpump#2. Meanwhile reciprocated stand pumping at 1800 LPM.
22:30 - 00:00: Drilled 8 1/2" hole section from 4633 m to 4670 m MD. Drilling parameters flow 2800 LPM SPP 262-266 bar 200 RPM wob 7-11 MT torque 23 KNM ROP 15-25 m/hr. Perfomed MWD survey on connections. Downlinked powerdrive according to dds instructions.

24-hour summary: Waited on spare parts for DCI system. Repaired DCI manifold. Drilled 8 1/2" hole from 4549 m to 4750 m MD. Inspected and serviced FWD/AFT PRS and TDS.
Hourly activities:
00:00 - 03:15: Drilled 8 1/2" hole section from 4670 m to 4720 m MD. Drilling parameters flow 2800 LPM SPP 256-264 bar 200 RPM wob 10-12 MT torque 20-25 KNM ROP 15-25 m/hr. Perfomed MWD survey on connections. Downlinked powerdrive according to dds instructions.
03:15 - 03:30: Checked out liner spary alarm on mudpump#2. Meanwhile reciprocated stand pumping at 1800 LPM.
03:30 - 04:45: Drilled 8 1/2" hole section from 4670 m to 4750 m MD. Drilling parameters flow 2800 LPM SPP 256-264 bar 200 RPM wob 10-12 MT torque 21-23 KNM ROP 15-25 m/hr. Perfomed MWD survey on connections. Downlinked powerdrive according to dds instructions.
04:45 - 05:45: Inspected and service FWD/AFT PRS. Checked oil on TDS gearbox.
05:45 - 06:00: Made connection and MWD survey.
06:00 - 08:00: Drilled 8 1/2" hole section from 4750 m to 4790 m MD. Drilling parameters flow 2800 LPM SPP 266 bar 200 RPM wob 10 MT torque 20-23 KNM ROP 20-25 m/hr. Performed MWD survey on connections. Downlinked powerdrive according to dds instructions. Recessed operation for changing TDS gearbox oil.
08:00 - 08:45: Changed oil in TDS gearbox due to traces of water in oil sample. Meanwhile circulated at 1000 LPM.
08:45 - 10:30: Drilled 8 1/2" hole section from 4790 m to 4820 m MD. Drilling parameters flow 2800 LPM SPP 267 bar 200 RPM wob 10 MT torque 20-23 KNM ROP 25 m/hr. Perfomed MWD survey on connections. Downlinked powerdrive according to dds instructions.
10:30 - 10:45: Due to no reduction in active when drilling last stand, lined up to triptanks and flowchecked well static.
10:45 - 15:30: Drilled 8 1/2" hole section from 4820 m to 4911 m MD. Drilling parameters flow 2800 LPM SPP 272 bar 200 RPM wob 7 MT torque 20-24 KNM ROP 25 m/hr. Perfomed MWD survey on connections. Downlinked powerdrive according to dds instructions.
15:30 - 16:00: Performed MWD survey. Downlinked powerdrive and set in neutral. Broke and laid out 5 1/2" single.
16:00 - 19:00: Circulated hole clean while reciprocating stand. Parameters flow 1500-2800 LPM SPP 97-270 bar 60-200 RPM torque 18 KNM. Circulated two times bottoms up. Verified clean shakers.
19:00 - 19:30: Held toolbox talk for running WL gyro. Lined up well on trip tank.
19:30 - 21:15: Hung off stringin slips with 130 MT downweight. Suspended upper WL sheave in elevator. Suspended lower WL sheave in tugger and slings to samson posts. Made up stuffing box to pump in sub. Set WL depth relative to RT. Stabbed gyro toolstring. Made up FOSV/PUMP-IN sub/stuffing box to DP using IR. Made up cement hose to pump in sub.
21:15 - 00:00: RIH with gyro on 5/16" EWL from surface to 360 m MD. Initialized gyro and CLL according to scientific procedures. RIH with 5/16" EWL to 1300 m MD.

24-hour summary: Drilled 8 1/2" section from 4750 m to 4911 m MD. Circulated hole clean. Rigged up for running WL gyro. Ran/pumped WL gyro to 4760 m MD inside drillstring. POOH with WL gyro to 800 m MD while logging survey data.
Hourly activities:
00:00 - 03:15: RIH/PUMPED gyro on 5/16" EWL from 1300 to 4760 m MD of totco ring in BHA). Pumprate 600-1500 LPM, SPP 33-109 bar. Observed pressure build up to 115 bar when landing in totco ring.
03:15 - 06:00: Lined up well on trip tank. POOH with gyro on 5/16" EWL from 4760 m to 800 m MD. Logged survey data according to scientific procedure.
06:00 - 07:00: POOH with gyro on 5/16" EWL from 800 m MD to surface. Logged survey data according to scientific procedure. Performed tie-in pass to seabed. POOH with gyro to surface.
07:00 - 07:15: Held toolbox talk prior to rigging down WL.
07:15 - 08:45: Cleaned drillfloor for OBM spills. Unhooked cement hose. Broke FOSV/SIDE-ENTRY/PACK box using IR and lifted same with tugger whilst comming out with WL toolstring. Laid down toolstring. Rigged down sheaves. Cleared and tidied drillfloor.
08:45 - 09:00: Picked up and made up 5 1/2" space out single from deck. Took upweight with high overpull 20 MT.
09:00 - 11:00: Stepped up pumprate in increments to 2800 LPM SPP 293 bar. Reciprocated stand at 60/200 RPM. Circulated bottoms up. Removed master bushing and installed automatic slips.
11:00 - 13:15: POOH with 8 1/2" drilling BHA from 4911 m to 4859 m MD, took 20 MT overpull. Pumped out of hole with 5 stands of 5 1/2" DP to 4710 m MD at 1500 LPM 30 RPM.
13:15 - 15:45: POOH with 8 1/2" drilling BHA on 5 1/2" DP from 4710 m to 3985 m MD. Pulled wet pipe.
15:45 - 16:00: Pumped 5,5 m3 1,60 SG slug at 1200 LPM and chased to drillfloor. Allowed mud levels to settle.
16:00 - 18:00: POOH with 8 1/2" drilling BHA on 5 1/2" DP from 3985 m to 3420 m MD.
18:00 - 18:30: Lined up tritanks and flowchecked in shoe well static.
18:30 - 19:00: Changed filters on TDS gearbox.
19:00 - 19:30: POOH with 8 1/2" drilling BHA on 5 1/2" DP from 3420 m to 3255 m MD.
19:30 - 20:00: Pumped slug. Allowed mud levels to settle.
20:00 - 22:00: POOH with 8 1/2" drilling BHA on 5 1/2" DP from 3255 m to 1756 m MD. Tripping speed 750 m/hrs.
22:00 - 22:45: Changed from 5 1/2" to 5" handling gear. Dropped 3" drift in 5" DP.
22:45 - 00:00: POOH with 8 1/2" drilling BHA on 5" DP from 1756 m to 746 m MD. Tripping speed 800 m/hrs.

24-hour summary: Logged sruvey data on WL gyro. Rigged down WL equipment. Circulated bottoms up due to high drag. POOH with 8 1/2" drilling BHA from 4911 m MD to surface. Racked back and laid out 8 1/2" drilling BHA. Made up BOP test plug.
Hourly activities:
00:00 - 01:00: POOH with 8 1/2" drilling BHA on 5" DP from 746 m to 296 m MD.
01:00 - 01:45: Flowchecked well before pulling BHA well static. Removed auto slips and installed masterbushing and bowl.
01:45 - 04:00: Recovered totco and 3" drift. Broke and racked back stand of 5" HWDP/ACCELERATOR. Broke and laid out 2 x 5" HWDP singles. Broke and racked back stand of 5"hwdp/jar. Broke and laid out ast and 2 x NMDC.
04:00 - 04:30: POOH with telescope and 8 1/2" powerdrive. Inspected bit and found good for reuse. Broke bit using bit breaker wrench and easytorque.
04:30 - 05:15: Broke and laid out telescope and 8 1/2" powerdrive xceed.
05:15 - 06:00: Brought jet sub to drillfloor and hung off in RT. Brought 18 3/4" BOP test plug to drillfloor and made up same.
06:00 - 07:00: RIH with 18 3/4" BOP test plug to 139 m MD.
07:00 - 07:45: Held toolbx talk for testing BOP. Washed across wellhead at 3000 LPM 10 RPM. Landed BOP test plug at 139 m MD.
07:45 - 15:15: Tested 18 3/4" BOP and ibops to 30/345 bar 5/10 min.
15:15 - 16:45: Broke out test swadge from TDS. POOH with 18 3/4" BOP test plug from 139 m MD. Broke and laid out test plug and jet sub.
16:45 - 22:15: Changed filters on TDS gearbox, still faulty indications. Changed level sensor on TDS gearbox Meanwhile changed sheared coupling on encoder for drawworks motor
22:15 - 22:30: Held toolbox talk for making up BHA.
22:30 - 00:00: Picked up 8 1/2" PD xceed. Made up 8 1/2" bit to PD xceed using bit tong and easytorque. Picked up and made up echoscope, telescope, sonicvison and stethoscope. Established scribeline to stethoscope when running in.

24-hour summary: Ran BOP test plug. Tested BOP to 20/345 bar 5/10 min. Pulled BOP test plug. Changed filters and oil level sensor on TDS gearbox. Made up 8 1/2" drilling BHA and RIH to 1400 m MD.