Hourly activities:
00:00 - 00:30: Continued to clean pit and mixing lines. Circulated and conditioned mud at 5326m MD, 2400 l/min, 281 bar, 25 RPM, 12-13 KNM.
00:30 - 01:00: Filled pit with drill water and performed clorine check prior to start mixing cement spacer. Circulated and conditioned mud at 5326m MD, 2400 l/min, 281 bar, 25 RPM, 12-13 KNM.
01:00 - 04:45: Mixed cement spacer according to specifications. Simultaneously removed claw from aft PRS. Held tool box talk prior to cement job. Circulated and conditioned mud at 5326m MD, 2400 l/min, 281 bar, 25 RPM, 12-13 KNM.
04:45 - 05:15: Stopped pumps and rotation, took up weight, needed 230 ton to move pipe, than 200 ton up weight. Needed to rotate to come down, 156 ton. No circulation. Performed line test from cement unit to rigfloor 200 bar, 10 min.
05:15 - 06:00: Mixed cement spacer according to specifications. Circulated with 1000 l/min, 65 bar. 25 RPM, 13-17 KNM.
06:00 - 07:30: Circulated and conditioned mud at 5329m MD. 1000 l/min, 65 bar.
07:30 - 07:45: Toolbox talk prior to pump cement plug.
07:45 - 08:00: Prepared for pumping spacer. Informed engineer and production. Cement room had priority for use of air.
08:00 - 08:15: Pumped 7m3, 320 strokes 1,47 SG spacer, chased with 0,5m3, 23 strokes OBM. 1000 l/min, 68 bar.
08:15 - 08:45: Mixed and pumped 12,7m3 1,90 SG silica cement. Displaced to rigfloor with 892 ltr. Drill water.
08:45 - 09:30: Displaced cement down string, 48m3, 2200 strokes. 1900 l/min, 110 bar. Reduced rate at 43m3. 1000 l/min, 75 bar.
09:30 - 11:30: Got back pressure in string while pulling out of cement, connected DDM and pumped 6 strokes, 130 l per stand.
11:30 - 12:00: Inserted 2 sponge balls, due to back pressure we had to brake first single below DDM.
12:00 - 12:45: Pulled from 5010m to 4900m MD, pumped sponge balls through string. 2500 l/min, 290 bar.
12:45 - 13:00: Flushed stand pipe manifoild after cement job.
13:00 - 15:45: POOH wet with cement string from 4900m to 3795m MD.
15:45 - 16:00: Broke circulation and filled trip tank.
16:00 - 17:00: Pumped 30m3, 1370 strokes hi-vis pill. 1300 l/min, 97 bar. Displaced hi-vis pill with 30,5m3, 1396 strokes. 1986 l/min, 194 bar.
17:00 - 17:30: 64 bar backpressure in string after displacement of hi-vis pill. Bled back 300 ltr. 0 bar.
17:30 - 19:15: POOH wet from 3795m to 3495m MD.
19:15 - 20:45: Established circulation 2750 l/min, 290 bar, 25 RPM, 8-10 KNM. Observed 73 bar with 220 l/min when broke circulation. Meanwhile held toolbox talk prior to cement job. Observed good hi-vis return at surface.
20:45 - 21:00: Broke off double DP and dropped CST.
21:00 - 22:00: Displaced CST with 1000 l/min, 53 bar. Reduced rate to 500 l/min, 22 bar after 29,6m3, 1355 strokes. When CST enters 3 1/2" DP, observed pressure increase to 26 bar, after 32,7m3, 1492 stroles pumped.
22:00 - 22:15: Picked up 5m to 3490m MD. Pumped 9m3, 410 strokes, 1,47 SG spacer, 1800 l/min, 140 bar.
22:15 - 22:45: Mixed and pumped 10,3m3 1,92 SG cement. 800 l/min, 30 bar from cement unit.
22:45 - 23:00: Displaced cement with rig pumps, 2000 l/min, 125 bar, 50 RPM, 6-8 KNM. Reduced rate to 1000 l/min, 29 bar.
23:00 - 00:00: POOH with cement string from 3490m to 2951m MD.

24-hour summary: Circulated and conditioned mud while mixing cement spacer. Mixed, pumped and displaced 12,7m3 1,90 SG cement from 5331m to 5100m MD. Pulled to 3795m MD, spotted 30m3 hi-vis pill. Pulled to 3495m MD, circulated b/u, hi-vis in return. Dropped and pumped CST, pulled to 3490m MD, mixed, pumped and displaced 10,2m3 1,92 SG cement from 3490m to 3240m MD. POOH to 2080m MD. L/d DP on deck.