Hourly activities:
00:00 - 00:45: Circulated w/ 1600 l/min/40 bar. Conditioned mud while circ. Until MW in/out 1,28 SG. Held TBT for cement job while circ.
00:45 - 02:15: Verified line-up for cement job. Pumped 22 m3 1,60 SG spacer w/ 1600 LPM, 41 32 bar. Released dart for bottom wiper plug. Mixed and pumped 15 m3 of 1,90 SG slurry at 650 l/min. Observed bottom plug shear after 1000 l pumped. Displaced cement to rig floor w/ 800 liters FW. Released top dart and pumped 1,5 m3 FW from cement unit. Observed top plug shear w/ 88 bar after 900 l.
02:15 - 04:15: Displaced cement as per pump schedule using rig pumps at 1600 l/min. Bumped and sheared bottom plug w/ 1000 l/min and 5758 strokes. Shear pressure 130 bar. Continued displacing cement w/ 1600 l/min, 50 68 bar. Reduced rate to 500 l/min, 50 bar for last 2 m3. Bumped top plug after 5476 strokes eff). Pressured up to 120 bar, held for 3 min. Lost 3 m3 during cement job.
04:15 - 05:15: Lined up to cement unit, equalized pressures. Tested 9 5/8" x 10 3/4" casing to 20/345 bar for 5/10 min.
05:15 - 05:30: Bled down pressure, disconnected cement hose and checked for back flow. Non observed.
05:30 - 06:30: Released RT. L/d cement head. Installed sponge balls and circulated w/ 2200 l/min/ 13 bar.
06:30 - 07:30: POOH with 5 1/2" HWDP landing string and RT from 140 m to surface.
07:30 - 08:00: Removed seal assembly from padprt and l/o same. No damage on seal assembly. Cleaned rig floor.
08:00 - 08:15: M/u jetting sub assembly and RIH from surface to 40 m.
08:15 - 09:00: P/u and m/u wearbushing and wearbushing running/retrieval tool RIH from surface to 140 m and landed wearbushing. POOH to surface with running tool.
09:00 - 09:45: Layed out wbrrt. Cleaned and cleared rig floor.
09:45 - 10:45: P/u BOP isolation test tool Changed seals on tool.
10:45 - 11:15: RIH w/ test tool. M/u TDS and landed BOP test tool in wellhead as per ge vetco instructions.
11:15 - 11:30: Flushed drill floor manifolds to water.
11:30 - 11:45: Attempted to test BOP. Observed fluid coming up string.
11:45 - 13:00: Released test tool and POOH. Inspected and l/d same.
13:00 - 14:15: P/u wbrrt, RIH and pulled wearbushing w/ 40 t overpull. Jetted WH area with 1800 l/min, 17 bar. POOH from 140 m to surface.
14:15 - 15:15: Attempted to release wearbushing from RT, no success. Layed out in one piece.
15:15 - 16:30: P/u padprt, installed seal assembly. RIH and landed tool at 140 m in 10 3/4" hanger.
16:30 - 18:30: Lined up for bullheading b-annulus to brine. Bullheaded 1,09 SG brine as per program, pumped 85 m3 brine followed by 28 m3 SW. Stopped pumping and monitored pressure for 15 min, 96 89 bar.
18:30 - 20:30: Bled of pressure in steps from 89 bar to 73 bar, bled back 8 m3. Monitored pressure development, decreased from 73 65 bar in 60 min.
20:30 - 22:00: Bled down pressure in 2m steps from 65 bar to 34 bar, bled back 10 m3.
22:00 - 22:45: Bullheaded well with SW, 250/500/1000 l/min with 33/75/94 bar, pumped 28 m3.
22:45 - 00:00: Monitored pressure after bullheading, pressure decreased from 83 bar to 73 bar.

24-hour summary: Circulated and conditioned mud prior to cement job. Cemented 9 5/8" x 10 3/4" casing in place, bumped top plug and pressure tested casing to 345 bar. While waiting on cement POOH with landing string. RIH and installed wearbushing. RIH with BOP test tool, attempted to test BOP w/o success. Retrieved wearbushing and ran padprt w/seal assembly. After waiting on cement bullheaded b-annulus to 1,09 SG brine.