Hourly activities:
00:00 - 01:00: Continued spotting riser handling equipment. Meanwhile cleared drill floor.
01:00 - 01:15: Performed TBT for cutting the production riser and pulling the multibowl to drill floor.
01:15 - 01:30: Took 5 ton overpull. Staged up pump rate to 900 LPM, observed water leaking over the top of the multibowl
01:30 - 01:45: Stopped pumping. Checked scribe line to confirm multibowl running tool still engaged to the multibowl.
01:45 - 02:00: Staged up pump rate to 2300 LPM 87 bar. Continued pumping for approximately 15 min, lost overpull, good indication of cut. Observed multibowl/riser turned 1/4 turn clockwise at successful cut.
02:00 - 02:15: P/u slowly to confirm successful cut.
02:15 - 03:00: Removed hoses and valves from multibowl.
03:00 - 03:30: Pulled riser and multibowl to drill floor. Removed master bushing and installed the big c-plate.
03:30 - 03:45: Disengaged multibowl RT by rotating elevator.
03:45 - 04:00: Installed small c-plate and false rotary.
04:00 - 04:45: B/o and attempted to rack back multibowl RT. Unable to rack back due to too long assebly. Parked aft PRS with multibowl RT out of the way.
04:45 - 06:00: Pulled inner string and r/b 2 x 5 1/2" DP stands. R/b cutter BHA
06:00 - 06:15: P/u and m/u multibowl RT. Removed c-plate.
06:15 - 07:00: Pulled up riser until first flange at centralizer deck. Cleaned flange for marine growth.
07:00 - 07:15: Performed TBT for pulling and cutting riser
07:15 - 07:45: Pulled tensioner joint above drill floor. Cleaned flange for marine growth on WH deck.
07:45 - 08:00: Installed master bushing and elevator. Landed riser on elevator.
08:00 - 09:00: R/u cutting machine. Installed hole cover to collect swarf
09:00 - 09:45: Cut tensioner joint
09:45 - 10:00: Collected swarf. R/d cutting machine.
10:00 - 11:15: L/o tensioner joint
11:15 - 12:30: Removed running tool. Changed handling equipment. Installed cradle on HTS cleared drill floor.
12:30 - 12:45: Lifted riser. Removed master bushing
12:45 - 13:00: Pulled riser Cleaned flanges on WH deck
13:00 - 13:15: Installed master bushing and elevator. Removed fairing and landed riser onto elevator
13:15 - 14:00: R/u cutting machine and hole cover. Cut riser
14:00 - 14:15: Collected swarf. R/d cutting machine.
14:15 - 14:45: L/o riser joint
14:45 - 15:15: Pulled riser
15:15 - 15:30: Removed master bushing. Pulled flange through rotary. Installed master bushing and elevator. Landed riser onto elevator.
15:30 - 16:00: R/u cutting maching and cut riser
16:00 - 16:15: R/d cutting maching. Collected swarf
16:15 - 16:30: L/d riser joint
16:30 - 17:00: Pulled riser joint Pulled master bushing. Pulled flange through rotary, installed master bushing and elevator. Landed riser onto elevator.
17:00 - 17:30: R/u cutting maching and attempted cut riser. Knifes worn out and broken.
17:30 - 19:00: Changed knifes and continued cutting riser. Experienced knifes not cutting evenly due to ovality of riser.
19:00 - 19:15: Continued cutting riser. Meanwhile performed TBT with ongoing crew.
19:15 - 19:30: R/d cutting maching. Collected swarf
19:30 - 20:00: L/o riser joint
20:00 - 20:45: Pulled riser removed master bushing. Pulled flange through rotary, installed master bushing and elevator. Landed riser onto elevator.
20:45 - 22:15: R/u cutting manchine and cut riser. Experienced knifes not cutting evenly due to ovality of riser.
22:15 - 22:30: R/d cutting machine. Collected swarf
22:30 - 22:45: L/o riser joint
22:45 - 23:15: Pulled riser Removed master bushing. Pulled flange through rotary, installed master bushing and elevator. Landed riser onto elevator.
23:15 - 23:45: R/u cutting machine and cut riser.
23:45 - 00:00: R/d cutting machine. Collected swarf.

24-hour summary: cut production riser at 134,9 m. pulled multibowl to drill floor pulled inner string and r/b BHA pulled tensioner joint above drill floor and cut riser. L/o tensioner joint and multibowl pulled, cut and l/o riser joints out of 7 lifts)