Hourly activities:
01:45 - 02:00: Performed TBT for skidding
02:00 - 03:00: Skidded to STB. Lifted down deck covers from main deck to WH deck. Skidded aft then port, to well center f-9 a.
03:00 - 03:15: Performed post-skid checks. Installed stairs to cantiliver.
03:15 - 03:45: Removed hatch and installed scaffolding in moonpool and WH deck.
03:45 - 04:30: P/u and m/u cutter BHA and inner string. P/u and m/u spear assy. Engaged spear, took 20 ton overpull to confirm.
04:30 - 04:45: Load shifted weight from tension cylinders to TDS
04:45 - 05:45: R/d tension cylinders.
05:45 - 06:45: R/d boat collision stool and tension ring. Upper centralizer stuck, unable to remove. Installed diverter and hose on WH.
06:45 - 07:00: Staged up flow to 2400 LPM 80 bar. Cut riser. Observed drop of overpull, good indication of cut.
07:00 - 07:15: Performed TBT with ongoing crew
07:15 - 07:45: R/d diverter and hose from WH. R/u chain hoist for pulling upper centralizer.
07:45 - 08:45: Pulled riser. Removed upper centralizer free centralizer with riser flange when pulling the riser). Built scaffolding around hole openings. Installed wooden blocks to reduce riser movement.
08:45 - 09:00: POOH with riser and landed onto c-plate on drill floor.
09:00 - 10:00: R/u false rotary POOH with inner string. R/b spear and cutter assy.
10:00 - 10:45: P/u spear assy and engaged in riser. R/d false rotary and c-plate. Removed BX-ELEVATOR and r/u manual elevator on riser. Landed riser on manual elevator. Lached bails onto manual elevator.
10:45 - 11:30: POOH with riser Cleaned off marine growth on centralizer deck. Meanwhile emptied pit 6 SW).
11:30 - 13:00: R/u cutting machine. Cut tensioner joint. Significant wave height 1,5 m. R/d cutting machine.
13:00 - 14:00: L/o tensioner joint. Installed link tilt pins on elevator.
14:00 - 14:30: POOH with riser Cleaned off marine growth on centralizer deck.
14:30 - 15:00: R/u cutting machine. Cut riser joint. Significant wave height 2,2 m. R/d cutting machine.
15:00 - 15:30: L/o riser joint POOH with riser Cleaned off marine growth on centralizer deck.
15:30 - 16:00: R/u cutting machine. Cut riser joint. Significant wave height 2,1 m. R/d cutting machine.
16:00 - 16:30: L/o riser joint POOH with riser Cleaned off marine growth on centralizer deck. Riser out of splash zone at 16 30
16:30 - 17:00: R/u cutting machine. Cut riser joint. R/d cutting machine.
17:00 - 17:30: L/o riser joint POOH with riser Cleaned off marine growth on centralizer deck.
17:30 - 18:00: R/u cutting machine. Cut riser joint. R/d cutting machine
18:00 - 18:15: L/o riser joint POOH with riser Cleaned off marine growth on centralizer deck.
18:15 - 18:45: R/u cutting machine. Cut riser joint. R/d cutting machine
18:45 - 19:30: L/o riser joint POOH with riser POOH and l/o stress joint.
19:30 - 19:45: Clean and cleared drill floor.
19:45 - 20:00: Removed saddle and riser bucket from HTS.
20:00 - 21:45: L/o cutting and spear assy.
21:45 - 22:00: Performed TBT for installing hatches and hole covers.
22:00 - 23:45: Lifted tension cylinders from WH to drill floor.
23:45 - 00:00: Installed hatches. End of report

24-hour summary: skidded to f-9 a cut riser on 134,5 m cut and pulled riser joints moved equipment from WH deck to drill floor installed hatches and hole covers.