Hourly activities:
00:00 - 01:15: Applied 420 bar on ASV control line. Pressured up a-annulus to 50 bar from cement unit. Pumped 16ltrs from 10 bar to 50 bar, ASV not open. Closed lo-torque valve on a-annulus wing on multibowl. Pressured up lines to 20 bar and opened lo-torque valve, no pressure drop observed. Troubleshot a-annulus valve on multibowl, both a-annulus valves in open position.
01:15 - 02:30: Re-attempted to pressure up a-annulus to 50 bar from cement unit. Pumped 18ltrs from 10 bar to 50 bar. No indication of ASV opening. Performed new line-up test and checked all valves.
02:30 - 03:00: Attempted to increase a-annulus pressure in stages of 10 bar to 120 bar with control line pressure of 480 bar. No indications of ASV opening. Pressure leaked off 1,5 bar/min. Bled off pressure. Volume pumped to 120 bar, 23ltrs. Bled back same.
03:00 - 04:45: Pressured up a-annulus to 120 bar, then applied 480 bar pressure on control line. No indication of ASV opening. Pressure leaked off 1,5bar/min. Bled off control line and a-annulus. Volume pumped 23 ltrs. Bled back same. Performed line-up test to 120 bar, opened lo-torque valve. No pressure drop seen when opening lo-torque. Checked all valves and hoses. R/d hose on a-annulus wing and observed cement residues coming out from hose. Replaced hose.
04:45 - 05:30: Pressured up ASV control line to 420 bar. Pressured up a-annulus from cement unit to 50 bar. Pumped 136 ltrs from 10 bar to 50 bar volume to pump 82 ltrs). Possible air/gas. Bled off pressure through mud-gas separator. Pressured up a-annulus again to 50 bar while applying 420 bar on ASV control line. Pumped 129 ltrs from 10 bar to 50 bar. Bled down pressure through mud-gas separator.
05:30 - 05:45: R/d cement hose and 7" swadge.
05:45 - 06:00: Performed TBT for r/u WL
06:00 - 07:00: R/u wireline equipment.
07:00 - 07:15: Performed TBT for handling explosives and p/u toolstring
07:15 - 08:00: M/u cutter toolstring. Armed the cutter.
08:00 - 08:45: RIH w/ cutter toolstring from surface to 520 mmd
08:45 - 09:15: Correlated. Positioned cutter at 505,6 m. Performed cut. Indications of positive cut, heard shot at surface.
09:15 - 09:30: POOH from 505,6 m to 70 m Average pulling speed 30 m/min.
09:30 - 09:40: Performed TBT for l/d toolstring
09:40 - 09:50: L/d WL toolstring
09:50 - 10:00: R/d wireline equipment.
10:00 - 10:15: Performed TBT for pulling th and tubing
10:15 - 11:15: R/u c/l spool and built scaffold shelter for operator. Prepared slips.
11:15 - 11:45: Released and pulled th, 25 ton overpull. Pulled hanger to surface and disconnected control lines from THRT.
11:45 - 12:45: RIH again with landing string. POOH and l/d landing string.
12:45 - 13:45: Cut control lines. Blinded off chemical injection line. Rigged up spooling unit. Installed FMS slips.
13:45 - 14:00: L/d down tubing hanger and running tool
14:00 - 14:15: POOH with 7" tubing from 489 mmd to 477 mmd.
14:15 - 15:00: Spooling unit not equipped with break. Attached carabiner to avoid spooling out control line when setting slips.
15:00 - 16:30: POOH with 7" tubing from 477 mmd to 465 mmd. Adjusted slips alignment to avoid clamps haning up on slips while POOH. Rigged up remote control panel outside driller's cabin.
16:30 - 19:00: POOH with 7" tubing from 465 mmd to 237 mmd. Average pulling speed 6,8 jnt/hr.
19:00 - 19:15: Performed TBT for pulling tubing with ongoing crew
19:15 - 21:30: POOH with 7" tubing from 237 mmd to 8 mmd. Average pulling speed 7,5 jnt/hr.
21:30 - 22:00: Cut control lines and secured same on spool. L/o DHSV. Marked DHSV. Measured length from top box down to cut 10,97 m.
22:00 - 23:45: R/d casing handling equipment. Meanwhile changed inserts in elevator. Installed PS-21 slips
23:45 - 00:00: Cleaned and cleared drill floor

24-hour summary: equalized prssure over FLX/ASV and bled off a-annulus cut tubing at 505,6 mmd w/wl pulled tubing down to cut RIH on 3 1/2" x 5 1/2" DP and cutter at 558 m