Hourly activities:
00:00 - 00:15: Performed prejob meeting to p/u torque tool
00:15 - 00:45: P/u and m/u torque tool
00:45 - 02:45: RIH w/ torque tool to 135m. Washed down from 135m to 140,5m w/ 150lpm 12 bar. Positioned tool at no-go applied torque gradually to 30 KNM and rotated 6 turns left to release adapter. Observed break in string
02:45 - 03:15: Rotated 6 turns right to make up possibly broken connection in the string w/ torque limit of 5knm. POOH and checked every connection. Discovered broken 5. 5in DP connection below rotary table. Continued to POOH, checked all connections on the way out. Inspected torque tool.
03:15 - 05:00: RIH w/ torque tool on 5. 5in DP. DP torqued to 52knm. Repeated sequence to release tieback adapter. Observed string broke at 30knm and rotated 6 turns left to release adapter. Rotated 6 turns right to make up possibly broken connection in the string w/ torque limit of 5knm. POOH and checked every connection. Discovered broken 5. 5in DP connection below rotary table. Continued to POOH, checked all connections on the way out. Inspected torque tool.
05:00 - 06:15: RIH w/ torque tool on5,5in HWDP. Connection torqued up to 67knm. P/u last stand with overtorqued 5,5in DP and m/u connection to 57knm. Attempted to release tieback adapter. Observed saver sub backing off at 30knm
06:15 - 07:00: Evaluated situation. Decided to make another attempt using rig tongs
07:00 - 07:15: Performed pre-job meeting for using rig tongs
07:15 - 08:00: Attempted to release tieback adapter using rig tongs. Applied up to 40knm, observed break in the string. Turned 4 turns left and measured, no noticable change. Screw string back 4 turns
08:00 - 09:30: POOH and checked every connection. Discovered broken 5. 5in DP connection between HWDP and DP, m/u connection to 57knm. Continued to POOH, checked all connections on the way out. Inspected torque tool
09:30 - 10:15: Broke off torque tool and l/d same. Meanwhile discussed forward plan
10:15 - 10:45: P/u 10 3/4in casing cutter and RIH same
10:45 - 11:00: Performed pre-job meeting to RIH w/ high wind and wind direction affecting running equipment
11:00 - 11:15: RIH w/ 10 3/4in CSG cutter BHA to 87m. Stopped operation due to high wing causing the drag chains to twist laterally
11:15 - 13:15: Wow. Meanwhile changed dies and dies holder in IR
13:15 - 14:00: RIH w/ 10 3/4in CSG cutter BHA from 87m to 127m. M/u TDS, filled string, recorded parameters 300 l/min 27bar, 400l/min 53bar, 500l/min 84bar, up/down 73t/70t. RIH to 136m
14:00 - 14:30: Cut casing at 136m with 300l/min 27,5bar 80rpm 2-10knm. Observed pressure droped to14 bar. Increased slowly to 26,5bar. Increased rate to 400l/min 45 bar. Confirmed cut by no rotation and 500l/min 83bar. Lifted casing on knifes 15cm w/ 8t overpull
14:30 - 15:15: POOH w/ cutter from 136m to surface. Meanwhile performed kick drill 31 sek. L/d cutter
15:15 - 15:30: P/u and m/u spear BHA
15:30 - 16:00: RIH w/ spear to 34m. Took up/down weights 72t/68t
16:00 - 16:15: Engaged fish w/ 1 turn left, pulled up to 82 ton on hook load
16:15 - 17:30: POOH with fish from 34m. Released spear. Closed annular with 270psi and pulled slowly out of fish. R/b spear. Meanwhile performed TBT for r/u casing equipment
17:30 - 19:00: R/u handling equipment for 10 3/4in CSG
19:00 - 19:15: Performed pre-job meeting to pull casing
19:15 - 19:30: Broke out and l/d casing cut and pup
19:30 - 19:45: Installed bx3 elevator w/ 10 3/4in inserts
19:45 - 22:15: POOH w/ 10 3/4in CSG tieback from 136m to surface. Totally 10 joints pulled
22:15 - 22:30: Performed pre-job meeting to r/d CSG tong
22:30 - 23:00: R/d CSG tong
23:00 - 00:00: M/u torque tool and RIH on 3x stands of 5,5in HWDP and 1x stand overtorqued 5,5in DP. M/u all connections to 67knm

24-hour summary: attempted to release tieback adapter. No success RIH w/ 10 3/4in CSG cutter and cut 10 3/4in surface tieback above tieback adapter RIH w/ spear and fished 10 3/4in surface tieback pulled 10 3/4in surface tieback