Hourly activities:
00:00 - 00:15: Continued to RIH w/ 9 5/8in casing cutter BHA from 805m to 885,5 m
00:15 - 00:30: M/u TDS, filled string, took parameters. 300l/min 16 bar, 600 l/min 80 bar
00:30 - 01:00: Cut 9 5/8in casing at 885,5m w/ 300-400 l/min, 19-32 bar, 80rpm, 3-7 KNM. Observed good indications of cut pressure dropped to 0 and reduction of torque. Measured gap of 90cm
01:00 - 01:30: Performed flowcheck. Observed losses of 1,6m3/hour. Losses soon stopped, totally lost of 0,3m3
01:30 - 02:45: POOH w/ 9 5/8in casing cutter BHA from 885 m to 10 m Avg. Tripping speed 580 m/hour. Meanwhile performed TBT to inject drilling slop in f-4. Started pumping preflush w/ 1000l/min 145bar
02:45 - 03:00: L/d 9 5/8in casing cutter BHA
03:00 - 03:15: Performed pre-job meeting for drops inspection of TDS
03:15 - 03:45: Carried out TDS drops inspection and service. Meanwhile continued w/ drilling slop injection on f-4. Total preflush pumped of 70m3, started pumping drilling slop, batch#1, 1000l/min 145bar
03:45 - 04:00: P/u side entry assembly in last cement job) and b/o 2x pup joints
04:00 - 04:15: Performed pre-job meeting to p/u 12,25 milling BHA
04:15 - 06:15: P/u and m/u 12,25in milling BHA Meanwhile continued w/ drilling slop injection on f-4. Total drilling slop pumped of 93m3 started pumping postflush, 1000l/min 146bar
06:15 - 06:30: RIH w/ 12,25in milling BHA to 135 m
06:30 - 06:45: Recorded parameters 400l/min 2bar, 1300l/min 6bar, 2000l/min 9bar, 80rpm 2-5knm, weights up/down 22t/15t. Tagged top of 10 3/4in subsea casing hanger at 139. 7m. Meanwhile finished w/ pumping postflush after batch#1 of drilling slop on f-4. Total postflush pumped of 140m3 batch#1), 1000l/min 150bar. Stopped injection for 2 hours
06:45 - 13:15: Milled 10 3/4in subsea casing hanger from 140. 1 to 140. 4 meter. 1500-2000l/min, 11bar, 60-120rpm, MAX 25 KNM, wob 1-8t. Observed good indications of break through reduction of torque and wob. Meanwhile continued w/ pumping drilling slop batch#2 on f-4. Total preflush pumped of 70m3 batch#2), started pumping drilling slop, batch#2, 1000l/min 150bar
13:15 - 14:00: Run down and tagged top of 10 3/4in casing stump at 142. 1m. Dressed off top of stump 5 cm, 80-100rpm, 4t wob, 2-4knm, 2000l/min 9bar
14:00 - 14:15: Pulled up above casing hanger area and circulated 2x bu 3000 l/min 21bar. Observed no losses, no gas in returns. R/b 1x stand
14:15 - 14:45: Performed drops inspection on TDS. Meanwhile carried out TBT for BHA handling
14:45 - 16:30: POOH and l/d milling BHA
16:30 - 17:00: P/u spear assy Checked and inspected same. RIH to 145m
17:00 - 17:15: M/u TDS. Engaged fish. Observed 10t overpull to pull fish free
17:15 - 18:00: POOH with casing fish on spear. Set casing fish in slips. Bottom of casing fish at 747m. Meanwhile finished w/ pumping postflush after batch#2 of drilling slop on f-4. Total drilling slop pumped for batch#2 of 250m3, postflush pumped of 140m3 batch#2), 1000l/min 150bar. Stopped injection for 2 hours
18:00 - 18:15: Inspected spear, found grapple cracked. Secured grapple and r/b spear BHA in derrick. Meanwhile performed TBT to r/u casing handling equipment
18:15 - 19:30: R/u casing handling equipment for 10 3/4in casing
19:30 - 19:45: Performed pre-job meeting/brief to pull 10 3/4in x 9 5/8in casing
19:45 - 20:00: Removed master bushing and installed power slips
20:00 - 00:00: POOH with 10 3/4in casing from 747 to 334m. Average pulling speed 8,5 joints/hr. Meanwhile continued w/ pumping drilling slop batch#3 on f-4. Total preflush pumped of 70m3 batch#3), started pumping drilling slop, batch#3, 1000l/min 145bar

24-hour summary: cut 9 5/8in casing milled 10 3/4in subsea casing hanger fished 10 3/4in casing fish and secured on surface pulled 34 joints of 10 3/4in casing, l/d same