Hourly activities:
00:00 - 01:45: Drilled on cement plugs at 1359 m MD. Increased wob to 15 MT. Drilling parameters flow 3200 LPM SPP 115 bar 40-70 RPM wob 6-15 MT torque 9-20 KNM. Meanwhile added barite to active to raise mudweight.
01:45 - 02:15: Bit stalled out at 35 KNM at 1360,6 m MD. Released torque in string. Worked string free with 20 MT overpull string free with no excessive drag. Reamed tight area.
02:15 - 05:30: Drilled shoetrack from 1360 m to 1389,5 m MD. Drilling parameters flow 3200 LPM SPP 115 bar 60 RPM wob 5 MT torque 12-15 KNM ECD 1,39 SG ROP 12 m/hrs. Broke through shoe at 1389,7 m MD. Meanwhile rigged up weatherford casing tong on drillfloor fore.
05:30 - 06:00: Cleaned out rathole down to 1393 m MD in increments of 2 m pulling back into shoe. Flow 3200 LPM SPP 115 bar 60 RPM wob 1 MT torque 6-10 KNM ECD 1,39 SG.
06:00 - 06:45: Cleaned out 26" rathole from 1393 m to 1400 m MD. Parameters flow 3200 LPM SPP 115 bar 60 RPM wob 1 MT torque 6-10 KNM ECD 1,39 SG.
06:45 - 07:15: Drilled 17 1/2" hole from 1400 m to 1403 m MD prior to fit. Drilling paramaters flow 3200 LPM SPP 115 bar 60 RPM wob 3 MT torque 11 KNM ECD 1,39 SG.
07:15 - 10:15: Ciruclated 3 x bottoms up to get even mudweight 1,39 in/out prior to fit. Reciprocated stand. Flow 4000 LPM SPP 170 bar 30 RPM.
10:15 - 10:45: Pumped and spotted LCM pill across open hole at 2200 LPM SPP 46 bar.
10:45 - 12:00: POOH from 1403 m to 1363 m MD. Racked back stand. Made up kelly cock/side entry sub and flushed line. Tested line to 50 bar 5 min OK. Closed UPR.
12:00 - 12:45: Lined up to cement unit. Performed fit to 1,60 EMW. Pumped 420 liter cup 29,6 bar. Bled back 460 liter.
12:45 - 13:30: Broke out and laid down kelly cock/side entry sub. Lined up to standpipe. Took scrs. Filled sandtraps.
13:30 - 14:15: RIH to TD at 1403 m MD. Downlinked powerdrive prior to drilling ahead.
14:15 - 14:45: Drilled 17 1/2" section from 1403 m to 1405 m MD. Drilling parameters flow 4000 LPM SPP 180 bar 60 RPM wob 5 MT torque 8-10 KNM ECD 1,39 SG.
14:45 - 15:15: Cleared augers in shaker room due to stop/blockage. Auger stop caused by rubber.
15:15 - 17:15: Drilled 17 1/2" hole from 1405 m to 1443 m MD. Drilling parameters flow 4000-4300 LPM SPP 180-197 bar 60-150 RPM wob 4-10 MT torque 6-16 KNM ECD 1,39-1,40 SG. Set powerdrive to 342 deg 100 Observed no reposonse from powerdrive hold and slight drop, no steering.
17:15 - 19:15: Discussed situation. Produced alternative well projections for drilling ahead one more stand. Set powerdrive to 270 deg 100 Meanwhile pulled off bottom and reciprocated stand. Paramaters flow 2500-3000 LPM SPP 73-105 bar 30 RPM torque 7 KNM ECD 1,40-1,45 as determined by weighing up mud.
19:15 - 20:30: Drilled 17 1/2" hole from 1443 m to 1463 m MD. Drilling parameters flow 4100 LPM SPP 195 bar 120 RPM wob 2-7 MT torque 6-8 KNM ECD 1,45-1,46 SG. Observed no left reposonse from powerdrive hold and slight drop, no steering. Recessed drilling. Decided to POOH to change to back-up powerdrive.
20:30 - 23:15: Circulated hole clean and obtained even mudweight in/out. Parameters flow 4500 LPM SPP 245 bar torque 6 KNM ECD 1,47.
23:15 - 00:00: Flowchecked well static. Pumped slug for POOH.

24-hour summary: Clenad out rathole down to 1400 m MD. Drilled 3 m new formation to 1403 m MD. Circulated to even mudweight in/out 1,39 SG. Performed fit to 1,60 EMW. Drilled 17 1/2" hole from 1403 m MD to 1463 m MD. Malfunction on powerdrive, not able to steer/build. POOH with 17 1/2" BHA for powerdrive changeout.