bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
00:00 - 00:45: Picked up and prepared echosope/neutron for service. Installed ra-source in echoscope.
00:45 - 02:00: Picked up and made up 5" HWDP single. Made up stand of jar/hwdp. Picked up and made up 2 x 5" HWDP singles. Made up stand of accelerator/hwdp. Installed totco ring on top of HWDP.
02:00 - 02:30: Removed master bushing. Installed auto slips in RT and hooked up hydraulics.
02:30 - 03:00: RIH with 8 1/2" drilling BHA on 5" DP from 138 m to 340 m MD.
03:00 - 03:15: Picked up, made up and RIH with 3 x 5" DP to replace stand
03:15 - 03:30: RIH with 8 1/2" drilling BHA on 5" DP from 381 m to 626 m MD.
03:30 - 04:00: Made up x-over to drillstring. Made up TDS and filled string, confirmed returns.
04:00 - 05:15: RIH with 8 1/2" drilling BHA on 5" DP from 626 m to 1237 m MD.
05:15 - 05:45: Made up x-over to drillstring. Made up TDS and filled string. Pumped at 2000 LPM SPP 106 bar and confirmed MWD functional.
05:45 - 06:00: RIH with 8 1/2" drilling BHA on 5" DP frpm 1237 m to 1400 m MD.
06:00 - 06:45: RIH with 8 1/2" drilling BHA on 5" DP from 1400 m to 1808 m MD.
06:45 - 07:00: Made up TDS and filled pipe.
07:00 - 07:30: RIH with 8 1/2" drilling BHA on 5" DP from 1808 m to 2171 m MD.
07:30 - 07:45: Changed from 5" to 5 1/2" handling gear.
07:45 - 08:15: RIH with 8 1/2" drilling BHA on 5 1/2" DP from 2171m to 2411 m MD.
08:15 - 08:30: Made up TDS and filled pipe.
08:30 - 09:30: RIH with 8 1/2" drilling BHA on 5 1/2" DP from 2411 m to 2977 m MD.
09:30 - 09:45: Made up TDS and filled pipe.
09:45 - 10:45: RIH with 8 1/2" drilling BHA on 5 1/2" DP from 2977 m to 3422 m MD.
10:45 - 11:00: Made up TDS and filled pipe.
11:00 - 12:30: RIH with 8 1/2" drilling BHA on 5 1/2" DP from 3422 m to 3985 m MD.
12:30 - 12:45: Made up TDS and filled pipe.
12:45 - 14:15: RIH with 8 1/2" drilling BHA on 5 1/2" DP from 3985 m to 4393 m MD.
14:15 - 19:15: RIH with 8 1/2" drilling BHA on 5 1/2" DP from 4393 m to 4877 m MD. Made up TDS on each stand run and reamed on way in. Parameters flow 1000 LPM SPP 58-62 bar 20 RPM torque 15 KNM.
19:15 - 20:15: Established drilling parameters when comming down on stand from 4877 m to 4911 m MD. Downlinked PD xceed for drilling. Parameters flow 2500 LPM SPP 250 bar 200 RPM torque 15-20 KNM ECD 1,45-1,46 SG.
20:15 - 23:00: Drilled 8 1/2" hole section fro 4911 m to 4935 m MD. Drilling parameters flow 2050-2500 LPM SPP 179-247 bar 200 RPM torque 18-22 KNM ROP 12 m/hrs ECD 1,44-1,45 SG. Investigated ECD dependency on rate 1,450 2433 LPM 1,442 2278 LPM 1,432 2058 LPM. Performed MWD surevey on connection. Obtained ESD value of 1,354.
23:00 - 00:00: Drillied 8 1/2" hole section from 4935 m to 4958 m MD. Drilling parameters flow 2400 LPM SPP 250 bar 200 RPM torque 21-23 KNM ROP 25 m/hrs ECD 1,45-1,46 SG. Observed severe oil leakage from one of the TDS link tilt cylinders.

24-hour summary: RIH with 8 1/2" drilling BHA from 1400 m to 4393 m MD. Filled pipe every 600 m. Washed/reamed down from 4393 m to 4911 m MD. Drilled 8 1/2" hole from 4911 m to 4958 m MD. Repaired TDS link tilt cylinder. Drilled 8 1/2" hole from 4958 m to to 4994 m MD.
Hourly activities:
00:00 - 04:00: Halted drilling operation for repair of TDS link tilt cylinder. Dismounted link tilt cylinder and brought to workshop for repair. Re-mounted link tilit cylinder. Meanwhile circulated in hole at 1300 LPM SPP 85-89 bar. ECD 1,37-1,38 SG.
04:00 - 06:00: Drilled 8 1/2" hole section from 4958 m to 4994 m MD. Drilling parameters flow 2400 LPM SPP 240-245 bar 200 RPM torque 20 KNM ROP 25 m/hrs ECD 1,44-1,45 SG. Downlinked PD xceed according to dds instructions, had to pick off bottom in order to get downlink accepted. Observed high dropping tendency of BHA.
06:00 - 21:45: Drilled 8 1/2" hole section from 4994 m to 5255 m MD. Drilling parameters flow 2500 LPM SPP 250-260 bar 200 RPM torque 18-23 KNM ROP 25 m/hrs ECD 1,44-1,48 SG. Performed MWD survey on connections. Downlinked PD xceed according to dds instructions.
21:45 - 22:15: Picked off bottom and circulated cuttings above BHA, performed sticky test on BHA 5 min static and then picking up. String came free at 225 MT upweight, last p/u weight 196 MT.
22:15 - 00:00: Circulated bottoms up while reciprocating string in order to reduce drag in well. Parameters flow 2000-2500 LPM SPP 176-260 bar 150-200 RPM torque 17-19 KNM ECD 1,48 1,45 SG.

24-hour summary: Drilled 8 1/2" hole from 4994 m to 5255 m MD. Drilled 8 1/2" hole from 5255 m MD to 5314 m MD as adviced by geologist. Obtained stethoscope samples at 5215, 5230 and 5253 m MD.
Hourly activities:
00:00 - 01:00: Stopped rotation. Circulated at 2500 LPM. Took p/u weight 196 MT. Performed two sticky tests 3 min 198 MT p/u and 8 min 205 MT p/u weight. Downlinked stethoscope. Positioned string with bit at 5249 m MD probe depth 5215 m MD. Obtained pressure sample of 87,17 bar at 5215 m MD.
01:00 - 02:15: Drilled 8 1/2" hole section from 5255 m to 5280 m MD as adviced by geologist. Drilling parameters flow 2500 LPM SPP 250-260 bar 200 RPM torque 18-23 KNM ROP 25 m/hrs ECD 1,47-1,49 SG. Performed MWD survey on connection.
02:15 - 03:15: Downlinked stethoscope. Positioned string with bit at 5264 m MD probe depth 5230 m MD. P/u weight 205 MT. Obtained pressure sample of 88,07 bar at 5230 m MD.
03:15 - 04:15: Drilled 8 1/2" hole section from 5280 m to 5300 m MD as adviced by geologist. Drilling parameters flow 2300 LPM SPP 231 bar 200 RPM torque 22 KNM ROP 25 m/hrs ECD 1,48-1,49 SG. Performed MWD survey on connection.
04:15 - 05:15: Downlinked stethoscope. Positioned string with bit at 5287 m MD probe depth 5253 m MD. P/u weight 197 MT. Obtained pressure sample of 89,51 bar at 5253 m MD. High p/u weight when comming free with string 230 MT), came down with string, started rotation and came free, no pack off tendency.
05:15 - 06:00: Drilled 8 1/2" hole section from 5300 m to 5314 m MD as adviced by geologist. Drilling parameters flow 2300 LPM SPP 233 bar 200 RPM torque 21 KNM ROP 15-25 m/hrs ECD 1,48-1,49 SG.
06:00 - 07:30: Drilled 8 1/2" hole section from 5314 m to TD at 5331 m MD as adviced by geologist. Drilling parameters flow 2300 LPM SPP 235 bar 200 RPM torque 20 KNM ROP 15 m/hrs ECD 1,49 SG.
07:30 - 09:45: Circulated hole clean while reciprocating string between 5331 m and 5320 m MD. Parametes flow 2300 LPM SPP 235 bar 150-200 RPM torque 17-19 KNM ECD 1,47-1,48 SG. Downlinked PD xceed for tripping out.
09:45 - 13:30: Set back one stand and continued to circulate well clean reciprocating stand beetween 5320 m and 5380 m MD. Parameters flow 2300 LPM SPP 232-236 bar 150-200 RPM torque 18 KNM ECD 1,48 SG.
13:30 - 15:00: POOH with 8 1/2" drilling BHA on 5 1/2" DP from 5320 m to 5215 m MD. Parameters flow 2200 LPM SPP 230-240 bar. Took 20 MT overpull at 5215 m MD. Attempted to rotate to move pipe down negative. Worked string free by comming down with 60 MT downweight and applying 33 KNM pipe free. Standpipe pressure stable around 235 bar. Washed and reamed upwards 2200 LPM 20 RPM, took 20-25 MT overpull and string stalled out. Worked string free by setting down full string weight. Washed and reamed through tight area with 2200 LPM 60-120 RPM.
15:00 - 16:30: Backreamed with 8 1/2" drilling BHA on 5 1/2" DP from 5320 m to 4960 m MD. Parameters flow 2300 LPM SPP 239-226 bar 60 RPM torque 14 KNM ECD 1,45-1,46 SG.
16:30 - 00:00: Backreamed from 4960 m to 4084 m MD while logging interval. Parameters flow 2300 LPM 226 207 bar rotation 60 RPM torque 16 12 KNM ECD 1,46 1. 43 SG pulling speed 4,5 m/min.

24-hour summary: Drilled 8 1/2" hole from 5314 m to TD at 5331 m MD. Circulated well clean. POOH with 8 1/2" BHA to 4960 m MD. POOH while logging from 4960 to 3665 m MD. POOH from 3665 m to 3223 m MD.
Hourly activities:
00:00 - 04:00: Backreamed from 4084 m to 3650 m MD while logging interval. Parameters flow 2300 LPM 207 192 bar rotation 60 RPM torque 12 11 KNM ECD 1,43 1. 41 SG pulling speed 4,5 m/min.
04:00 - 04:45: POOH with 8 1/2" drilling BHA on 5 1/2" DP from 3665 m to 3422 m MD inside 9 5/8" liner shoe. Pulled wet pipe.
04:45 - 05:30: Flowchecked well static. Pumped 5 m3 1,65 SG slug and allowed mud level to settle.
05:30 - 06:00: POOH with 8 1/2" drilling BHA on 5 1/2" DP from 3422 m to 3223 m MD.
06:00 - 08:15: POOH with 8 1/2" drilling BHA on 5" DP from 3223 m to 2175 m MD. Tripping speed 465 m/hr.
08:15 - 08:45: Changed from 5 1/2" to 5" handling equipment. Pumped 5 m3 1,65 SG slug and allowed mud level to settle.
08:45 - 11:00: POOH with 8 1/2" drilling BHA on 5 1/2" DP from 2175 m to 1360 m MD. Tripping speed 362 m/hr. Problems with aft PRS claw.
11:00 - 11:15: Troubleshot aft PRS claw.
11:15 - 13:15: POOH with 8 1/2" drilling BHA on 5 1/2" DP from 1360 m to 139 m MD. Tripping speed 542 m/hr.
13:15 - 13:30: Flow checked well prior to pulling BHA well static. Meanwhile held toolbox talk for handling BHA.
13:30 - 14:00: POOH with 8 1/2" drilling BHA. Racked back stand of 5 1/2" HWDP. Removed automatic slip. Installed master bushing.
14:00 - 17:00: Broke and laid down jar and accelerator. Racked back stand of 5 1/2" HWDP. Broke and laid down stethoscope, sonicvision, telescope, echoscope and 8 1/2" PD exceed. Recessed operation due to exhaust fumes on drillfloor
17:00 - 20:45: Resumed operation on f-10 at 19 30. Serviced and greased TDS. De-isolated equipment. Dressed IR with 3 1/2" dies. Installed 3 1/2" inserts in BX elevator.
20:45 - 21:00: Held toolbox talk for running 3 1/2" DP.
21:00 - 00:00: RIH with 3 1/2" DP open ended from surface to 326 m MD. Picked up singles from deck. Drifted DP to 2 1/4". Observed leakage on PS-21 slips.

24-hour summary: POOH with 8 1/2" drilling BHA from 3223 m MD to surface. Broke and laid down 8 1/2" drilling BHA. Recessed operation due to exhaust fumes on drillfloor. RIH with 3 1/2" x 5" x 5 1/2" cement stinger to 1291 m MD.
Hourly activities:
00:00 - 00:30: Removed PS-21 from RT. Installed master bushing and bowl.
00:30 - 01:30: RIH with 3 x 3 1/2" singles to 353 m MD using manual slips. Changed inserts in BX from 3 1/2" to 5". Installed and made up 3 1/2" x 5" x-over. Picked up stand of 5 1/2" DP and made up to x-over.
01:30 - 02:15: Removed master bushing and outer ring. Installed PS-30 slips in RT and hooked up same.
02:15 - 02:30: Dressed PS-30 with 5" slips inserts.
02:30 - 04:45: RIH with 5" DP from 353 m to 1010 m MD. Got incorrect volume in triptanks, well apparently gaining. Investigated situation, suspected partial plugging of DP. Flowchecked for 15 min lost 200 liter filling).
04:45 - 05:15: Looked down DP when in slips and observed that pipe was not filled properly. Made up TDS and filled pipe with approx 200 liter before pressure build up. Performed pump test 11 bar SPP 500 LPM and 33 bar SPP 1000 LPM good match with hydraulic simulations.
05:15 - 06:00: RIH with 5" DP from 1010 m to 1291 m MD.
06:00 - 07:30: RIH with cement string from 1291m to 2103m MD.
07:30 - 09:00: Emptied trip tank, moved bent 5" DP in derrick. Changed from 5" to 5 ½" DP handling equipment. Broke circulation with 3000 l/min, 300 bar. l/min, 229 bar.
09:00 - 11:15: RIH with cement string from 2103m to 3440m MD.
11:15 - 11:30: Broke circulation at 3440m MD, 500 l/min, 30 bar.
11:30 - 16:00: RIH with cement string from 3440m to 5168m MD.
16:00 - 18:00: Washed down from 5168m to tagging depth, 5331m MD. 500 l/min, 35 bar.
18:00 - 20:00: Pulled 5m, staged up pumps, circulated and conditioned mud at 5326m MD, 2400 l/min, 281 bar, 25 RPM, 12-13 KNM. Simultaneously cleaned pit for mixing new spacer for cement job, due to contamination in first spacer.
20:00 - 00:00: Cleaned pit for mixing new spacer for cement job, due to contamination in first spacer.

24-hour summary: Circulated and conditioned mud prior to cement job. 2440 l/min, 287 bar. Reduced to 1000 l/min, 65 bar. Mixed new spacer for cement job, due to contaminated first spacer. Performed line test, 200 bar, 10 min.
Hourly activities:
00:00 - 00:45: Continued POOH with cement string from 2951m to 2800m MD.
00:45 - 02:30: Flushed manifold and pumped 2 sponge balls. 3000 l/min, 297 bar. 60 RPM, 7 KNM. Meanwhile moved rollers and HTS and prepared for l/d 5" DP on deck.
02:30 - 03:00: Pumped and displaced 4,7m3, slug 1100 l/min, 53 bar. Filled trip tank with rigpumps.
03:00 - 04:30: POOH from 2800m to 2080m MD.
04:30 - 05:15: Changed handling equipment from 5 1/2" to 5" DP. Serviced PRS.
05:15 - 05:30: Tool box talk prior to l/d 5" DP on deck.
05:30 - 05:45: Changed inserts in mud bucket.
05:45 - 06:00: Pumped and displaced slug.
06:00 - 07:00: POOH and l/d 5" DP on deck from 2080m to 2023m MD.
07:00 - 07:15: Held tool box talk with on comming shift prior to l/d 5" DP on deck.
07:15 - 15:30: POOH and l/d 5" DP on deck from 2023m to 355m MD.
15:30 - 16:00: Cleared and cleaned rigfloor. Changed to 3 1/2" handling equipment.
16:00 - 18:30: POOH and l/d 1 joint of 3 1/2" DP. POOH and racked 3 1/2" DP on setback from 355m to surface.
18:30 - 18:45: Cleared and cleaned rigfloor.
18:45 - 19:30: Serviced TDS, FWD and aft PRS.
19:30 - 19:45: Held tool box talk prior to cut slip drill line.
19:45 - 22:15: Slipped cut dril line. Meanwhile held tool box talk and performed line test prior to test of cement plug.
22:15 - 00:00: Attempted to pressure test cement plug. Pressured up to 50 bar, than in steps of 20 bar. Observed leak of 0,5-1 bar/min. Between steps. At 190 bar pressure flattened out with constant pump rate. Stopped pumping, pressure dropped rapidly to 170 bar. Bled off pressure. Discussed further operation with town. Meanwhile crew had tool box talk prior to run EZSV plug.

24-hour summary: L/d rest of 5" DP on deck. Serviced TDS, FWD and aft PRS. Slipped cut drill line. Attempted to test cement plug. Test failed. Meeting about next poeration. M/u and run EZSV plug to 715m MD.
Hourly activities:
00:00 - 01:30: Meeting about next operation. Decided to continue as per dop and run EZSV plug. Meanwhile repaired leak on aft iron roughneck and serviced TDS.
01:30 - 02:45: Prepared and made up 9 5/8" EZSV plug to 3 1/2" DP.
02:45 - 04:15: RIH with EZSV plug on 3 1/2" DP from surface to 347m MD.
04:15 - 06:00: Changed from 3 1/2" to 5 1/2" DP handling equipment. Emptied trip tank. RIH with EZSV plug on 5 1/2" DP from 347m to 715m MD.
06:00 - 07:00: RIH with 9 5/8" EZSV plug from 715m to 1118m MD.
07:00 - 08:00: Moved 17 stands of 5 1/2" DP, not wiped with sponge ballls.
08:00 - 11:00: RIH with 9 5/8" EZSV plug from 1118m to 2467m MD.
11:00 - 11:30: Broke circulation at 2467m MD, 110 l/min, 14 bar. Meanwhile moved rest 11 stands of 5 1/2" DP not flushed with sponge balls.
11:30 - 12:00: Flushed and verified line up from cement unit through TDS and BOP kill line for test of cement plug.
12:00 - 12:45: Attempted to test cement plug to 195 bar. Observed 10 bar drop in 10 min. Than drop increased.
12:45 - 13:00: Flushed lines, meanwhile function tested BOP.
13:00 - 14:30: RIH with 9 5/8" EZSV plug from 2467m to 2560m MD.
14:30 - 15:15: Set EZSV plug as per halliburton procedures. Released from and pulled RT out of same.
15:15 - 15:30: Installed TIW and pump in sub, lined up to cement unit.
15:30 - 16:15: Verified line up, performed line test from cement unit, 200 bar, 10 min.
16:15 - 17:00: Pressure tested EZSV plug from above to 165 bar 10 min, OK.
17:00 - 17:30: Tool box talk prior to cement job.
17:30 - 19:00: With cement unit, mixed and pumped 10,3m3 1,92 SG cenent slurry, displaced to rigfloor with 892 ltr. Drill water. With rig pumps, displaced cement with 23,1m3, 1057 strokes of 1,32 SG OBM. 1800 l/min. Reduced pump rate to 1000 l/min. After 18m3, 821 strokes.
19:00 - 20:30: POOH from 2555m to 2300m MD, dropped 2 x sponge balls. Circulated 1,5 x string volume 33m3, 1505 strokes.
20:30 - 00:00: POOH with EZSV RT from 2300m to 374m MD. MAX. Tripping speed 1200 m/hr.

24-hour summary: RIH with 9 5/8" EZSV plug from 715m to setting depth 2560m MD. Set and tested same to 165 bar, 10 min. Mixed, pumped and displaced 10,3m3 cement plug on top of 9 5/8" EZSV plug. POOH and l/d RT for 9 5/8" EZSV plug. M/u and RIH with 13 3/8" EZSV plug to 530m MD.
Hourly activities:
00:00 - 01:00: Changed handling equipment from 5 1/2" to 3 1/2" DP.
01:00 - 02:30: POOH with 9 5/8" EZSV plug RT on 3 1/2" DP from 347m to surface.
02:30 - 02:45: Tool box talk prior make up and run 13 3/8" EZSV plug.
02:45 - 03:15: Changed to 5" inserts in elevator. Made up 13 3/8" EZSV plug to 5" stand according to halliburton procedures. Plug set as bridge plug. end)
03:15 - 03:45: Installed 5" inserts in PS-30 slips. Cleaned and cleared rigfloor.
03:45 - 06:00: RIH with 13 3/8" EZSV plug from surface to 530m MD.
06:00 - 09:30: RIH with 13 3/8" EZSV packer from 530m to 1590m MD. Filled string every 5 stands.
09:30 - 10:00: Set 13 3/8" EZSV plug at 1590m MD according to halliburton procedure.
10:00 - 10:30: Cleared and cleaned rigfloor prior to POOH.
10:30 - 11:00: POOH with 13 3/8" EZSV plug RT from 1590m to 1536m MD. Pumped slug, filled trip tank.
11:00 - 12:30: POOH with 13 3/8" EZSV plug RT from 1536m to 325m MD.
12:30 - 13:00: Changed from 5 1/2" to 5" handling equipment. Tool box talk prior to l/d 5" DP on deck.
13:00 - 15:30: L/d on deck 5" DP from 325m to surface.
15:30 - 16:00: B/o EZSV plug RT, inspected, cleaned and l/d on deck.
16:00 - 17:00: Changed to 5 1/2" inserts in elevator. P/u and m/u bull nose to 5 1/2" stand. Changed to 5 1/2" inserts in PS-30 slips.
17:00 - 19:15: RIH with bull nose on 5 1/2" DP from surface to 1590m MD, tagged 13 3/8" EZSV plug with 5 ton at 1590m, pulled 5m. Meanwhile held tool box talk prior to displace to 1,51 SG OBM from 1585m MD to surface.
19:15 - 22:15: Displaced well, kill choke line, chokemanifoild from 1,32 SG OBM to 1,51 SG OBM.
22:15 - 00:00: POOH with bull nose from 1585m to 687m MD.

24-hour summary: RIH with EZSV packer from 530m to 1590m MD. Set EZSV plug at 1590m as per halliburtom procedure. POOH with EZSV RT. RIH with jet sub, displaced well from 1,32 SG OBM to 1,51sg OBM. POOH, l/d jet sub. RIH with WBRT and jet sub. Jetted WH pulled wear bushing. 50 ton over pull to free WB scormarks outside wear bushing. POOH, l/d WB and WBRT. M/u SRT tool, RIH to pull MS-SEAL.
Hourly activities:
00:00 - 01:00: POOH with bull nose from 687m to surface.
01:00 - 01:45: Cleared rigfloor. Removed PS-30 slips. Installed master bushing. Held tool box talk.
01:45 - 02:15: P/u wear bushing running tool from deck. Installed same with jet sub below.
02:15 - 02:30: RIH with WB RT on 5 1/2" HWDP DP from surface to 140m.
02:30 - 02:45: Jetted well head wear bushing. 2600 l/min, 45 bar.
02:45 - 03:00: Connected RT to wear bushing according to vetco procedures. Needed 50 ton to pull wear bushing free.
03:00 - 04:00: POOH with wear bushing from 140m.
04:00 - 04:15: B/o wear bushing, racked last stand. Broke jet sub off wear bushing RT. Scormarks outside wear bushing.
04:15 - 06:00: Made up SRT with jet sub below. RIH to jet well head, pull MS-SEAL, jet again and POOH.
06:00 - 07:30: With closed annular, pulled MS-SEAL. 15 ton over pull. Pulled 1,5m no pressure on choke.
07:30 - 07:45: Opened annular, flow checked open well, well static.
07:45 - 09:30: POOH with MS-SEAL from 138,5m to surface. Re-engaged RT in j-slot. Attempted to remove MS-SEAL from RT, no go. L/d RT and MS-SEAL.
09:30 - 10:00: P/u wear bushing RT, removed old WB, installed new.
10:00 - 11:15: RIH with wear bushing to 138,5m. Washed down 2775 l/min, 46 bar, 4 RPM. Set wear bushing according to vetco procedures.
11:15 - 12:15: POOH with wear bushing RT, re-set tool and l/d on deck.
12:15 - 13:00: Changed dies in aft ar prior to collar run. Meanwhile cleaned rigfloor after wear bushing run.
13:00 - 14:00: P/u cutting tool and tested same, knives activated at 20 strokes, 440 ltr hrs, 10 bar. RIH 2 stands.
14:00 - 14:15: Changed from master bushing to PS-21 slips.
14:15 - 19:00: RIH with 13 3/8" casing cutters from 80m to 1580m MD.
19:00 - 19:15: Took up/down weight, 116/105 ton. Free rotation weight, 110 ton, 4-6 KNM.
19:15 - 19:30: Tagged 13 3/8" EZSV plug, set down 3 ton, 1589,9m. MD
19:30 - 20:00: Pulled 10 m. Started pumps, 550 l/min, 62 bar. Stopped pumps.
20:00 - 20:30: Started rotation, 100 RPM, 4-6 KNM, started pumps, 540 l/min, 60 bar. After 3-4 min, observed pressure drop from 60 bar to 18-19 bar. Continued for 2-3 min. Stopped rotation and pumps. Flow checked.
20:30 - 21:00: Pulled 1,5m started pumps, 300 l/min, 18 bar. Slacked off string to 1580, took weight, 2 ton, pressure dropped to 6-8 bar.
21:00 - 21:15: Pumped and displaced 4,7m3 1,71 SG slug.
21:15 - 23:15: POOH with 13 3/8" casing cutter from 1580m MD, to surface.
23:15 - 00:00: Changed saver sub in DDM.

24-hour summary: Pulled MS-SEAL. L/d RT on deck with MS-SEAL on. Installed 13 3/8" wear bushing. RIH with 13 3/8" casing cutter to 1580m MD. Cut casing according to smith procedure, POOH. RIH and retrieved wear bushing, l/d same on deck.
Hourly activities:
00:00 - 01:15: Continue to change saver sub in DDM.
01:15 - 03:15: Broke off x/o above cutters.
03:15 - 03:45: P/u and m/u wear bushing RT.
03:45 - 04:30: RIH with WB RT from surface to 140m.
04:30 - 04:45: Retreived wear bushing, 1-2 ton over pull.
04:45 - 05:30: POOH with wear bushing from 140m to surface.
05:30 - 06:00: L/d wear bushing and RT on deck.
06:00 - 09:00: P/u and RIH with spear assembly. 2 stands of 8" DC from set back and 3 singles from deck.
09:00 - 09:30: Serviced TDS, inspected for loose items prior to pulling casing.
09:30 - 10:00: RIH to setting depth at 141,8m
10:00 - 10:15: Engaged spear in 13 3/8" casing as per smith procedure. Pulled casing free with 286 ton on weight indicator. 75 ton overpull.
10:15 - 12:00: Pulled up 2m, circulated out old mud as per mud eng. Instructions. 3000 l/min, 63 bar.
12:00 - 12:15: Pumped and displaced 1m3 1,71 SG slug.
12:15 - 14:00: POOH with 5 1/2" HWDP, 8" DC and 13 3/8" casing from 1580m to 1443m.
14:00 - 14:15: M/u TDS and pumped remaining 3,6m3 1,71 SG slug.
14:15 - 14:30: Held tool box talk prior to rig up casing handling equipment.
14:30 - 15:30: Set hanger in slips. Released spear as per smiths instruction.
15:30 - 18:30: Rigged up 13 3/8" casing handling equipment.
18:30 - 19:15: Transport frame for 13 3/8" casing tong could not run to well certer. Guides on weels too big. Trouble shot.
19:15 - 22:45: Disconnected guide wheels, grinded 1cm off guides.
22:45 - 23:30: Installed wheels on weatherford casing tong. Adjusted and function tested tong.
23:30 - 00:00: Broke 13 3/8" casing hanger, removed with crane. Broke out 1 more joint.

24-hour summary: RIH with 13 3/8" casing spear to 141m. Engaged spear. Pulled casing free, 75 ton overpull. Circulated out mud behind casing. POOH to 13 3/8" casing hanger in slips. Had to modify wheels on casing tong. POOH with 13 3/8" casing from 1580m to 1118m.
Hourly activities:
00:00 - 00:30: Broke out 2 joints of 13 3/8" casing. Trouble with catwalk conveyer.
00:30 - 01:45: Trouble shot catwalk conveyer.
01:45 - 02:15: Fine tuned link tilts and weatherford tong movements.
02:15 - 06:00: POOH and l/d 13 3/8" casing on deck.
06:00 - 07:00: POOH and l/d 13 3/8" casing from 1118m to 1064.
07:00 - 07:15: Held tool box talk with oncoming crew prior to POOH with 13 3/8" casing.
07:15 - 18:15: POOH with 13 3/8" casing from 1064m to surface.
18:15 - 19:00: Rigged down casing equipment.
19:00 - 19:15: Held tool box talk with oncoming crew prior to rig down casing equipment.
19:15 - 22:30: Rigged down casing equipment.
22:30 - 22:45: Held tool box talk prior to run and set seat protector.
22:45 - 23:00: P/u seat protector RT, installed seat protector.
23:00 - 23:30: RIH with seat protector on 5 1/2" HWDP DP.
23:30 - 00:00: Jetted well head. Set seat protector according to vetco procedures.

24-hour summary: POOH with 13 3/8" casing from 1118m MD to surface. Rigged down casing equipment. RIH and set seat protector. RIH with cement string to 1481m.