bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
00:00 - 06:00: Continued to log RST IC pass at 0,5 m/min from 3780 to 3660 and 3522 to 3470 m. Completed logging second IC pass.
06:00 - 08:25: Switched over to tractor and tractored back down to 4525 m to perform PLT shut in pass.
08:25 - 08:50: Switched over to logging mode and performed shut in PLT pass at 20 m/min across interval 4520 to 4000 m. Parked toolstring at 3994 m.
08:50 - 14:15: Petec evaluated data. RST data was good. Challenging to evaluate PLT shut in passes. Had to re-arrange wells prior to startup f-11 b for production. Production ready to open well.
14:15 - 15:10: Equalized pressure PWV using equalizing loop. Well routed towards HP separator. Opened choke 6 WHP 108 bar and DHPG 302 bar.
15:10 - 19:00: Opened choke stepwise up to 12 WHP 59 bar and DHPG 258 bar.
19:00 - 22:00: Opened choke stepwise up to 20 WHP 46 bar and DHPG 239 bar. Meanwhile observed pressure in DHSV CL was at 520 bar.
22:00 - 22:30: Opened choke stepwise up to 24 WHP 43 bar and DHPG 235 bar. Meanwhile isolated DHSV CL on wellhead and bled of pressure at pump to avoid bleeding off to 0 bar. Repeated sequence until CL pressure was 420 bar.
22:30 - 00:00: Opened choke stepwise up to 34 WHP 38 bar and DHPG 227 bar.

24-hour summary: Completed logging RST IC passes. Performed shut in PLT pass. Started to bean up well for flowing PLT passes.
Hourly activities:
00:00 - 02:30: Opened choke stepwise to 70 WHP 32 bar and DHPG 222 bar.
02:30 - 05:00: Opened choke stepwise to 100 WHP 32 bar and DHPG 222 bar.
05:00 - 06:35: Switched over to tractor mode and RIH to perform 1. PLT flowing pass. Observed higher pullforce on tractor headtension 600 lbs compared to 300 lbs during shut in passes. Stopped at 4530 m.
06:35 - 07:15: Switched over to logging mode and picked back up. Tension peaked at 9000 lbs counter) but decreased to approx. 6900 lbs. Logged PLT flowing pass at 10 m/min across interval 4520 m to 4000 m.
07:15 - 08:40: Switched over to tractor mode and RIH to perform 2. PLT flowing pass.
08:40 - 09:15: Switched over to logging mode and picked back up. Logged PLT flowing pass at 20 m/min across interval 4520 m to 4000 m.
09:15 - 10:25: Switched over to tractor mode and RIH to perform 3. PLT flowing pass.
10:25 - 10:45: Switched over to logging mode and picked back up. Logged PLT flowing pass at 30 m/min across interval 4520 m to 4000 m.
10:45 - 15:30: Petec evaluated data from PLT flowing passes. Decision made to re-run one pass. Observed trouble to start tractor.
15:30 - 16:45: Problem with tractor power supply. Had to change power supply on surface. OK.
16:45 - 17:00: Decision made to not run the additional pass. PLT data was good enough for further decision. Shut in well and POOH. WHP 35 bar.
17:00 - 20:00: POOH from 3986 m to surface. WHP 90 bar.
20:00 - 21:40: Closed SV and bled off lubricator. Inflow tested SV. Closed HMV and inflow tested same, monitored pressure in XMT cross. Meanwhile purged lubricator with n2 via bleed manifold.
21:40 - 21:50: Performed toolbox talk prior to l/d BHA#1.
21:50 - 23:30: Broke lubricator. L/d BHA on deck.
23:30 - 00:00: Altus and schlumberger strated to prepare toolstring for perforation run

24-hour summary: Logged three flowing PLT passes. Evaluated data and decided to perforate two new zones. POOH and l/d BHA. Started to prepare perforation gun.
Hourly activities:
00:00 - 02:00: Altus performed communication check with tools. Not able to communicate with altus VPM through tractor.
02:00 - 03:30: Restarted all surface systems and changed to different VPM sub. Communication with VPM sub OK, but not able to switch same. Reviewed issue from last campaign, not similar issue.
03:30 - 04:30: Contacted onshore duty and continued to troubleshoot.
04:30 - 05:20: Removed the additional rig-grounding on the tool and switched VPM directly from the panel. VPM was switching OK. Issue most likely related to current grounding.
05:20 - 06:00: Lifted tractor and assembled with schlumberger toolstring to perform schlumberger tool check.
06:00 - 07:00: Lifted tools to rig floor due to wind picking up. Continued to check tools.
07:00 - 07:15: Powered down tools prior to handling explosives.
07:15 - 07:30: Performed toolbox talk prior to m/u BHA#2 tractor perforation guns.
07:30 - 10:30: M/u BHA tractor and perforation gun. Added 40 litres of starlube into lubricator. Challenging to handle heavy 4,5" perforation gun. Leak tested QTS to 20/345 bar.
10:30 - 11:45: Filled lubricator with MEG using production permanent line into XMT cross. Equalized and opened HMV. Equalized and opened SV. WHP 118 bar. Meanwhile performed well control drill, leak in connection above BOP.
11:45 - 12:20: RIH with BHA#2 tractor and 4,5" perforation guns from surface to 70 m below seabed.
12:20 - 12:30: Performed communications check with tractor and tools.
12:30 - 14:15: Continued to RIH from 210 m to 2800 m. Observed tool stopped. Had to start tractor. Depth PU winch) 400 m 2070 lbs 800 m 2630 lbs 1200 m 3100 lbs 1600 m 3800 lbs 2000 m 4150 lbs 2400 m 5050 lbs 2800 m 6000 lbs
14:15 - 18:30: Switched over to tractor. Tractored down from 2800 m to 4030 m. Observed tractor speed decreased to approx. 2-3 m/min. Depth PU winch) 3200 m 7000 lbs 3600 m 6700 lbs 4000 m 8000 lbs
18:30 - 18:50: Performed gun check, OK. Performed first correlation pass at 10 m/min from 4030 to 3930 m. Observed high pulling weighs at between 8000-9000 lbs counter). Adjusted depth by m.
18:50 - 20:10: Switched over to tractor and tractored back down. Tractor speed approx. 2-3 m/min.
20:10 - 20:40: Switched over to logging. Performed second correlation pass at 10 m/min. MAX tension 9800 lbs counter).
20:40 - 23:30: Repeated sequence and performed 3 passes between 4030 to 3930 m, to ensure perforation guns properly oriented.
23:30 - 00:00: Tractored back down prior to position guns for perforation.

24-hour summary: M/u BHA tractor and 4,5" perforating guns. RIH and performed correlation and orientation of the perforation gun.
Hourly activities:
00:00 - 00:30: Switched over to logging. Logged up from 4020 m and positioned toolstring with top shot at 3960 m. Perforated interval 3960 3969 m. WHP 119 bar. No indication on cable tension, DHPG increased by 0,3 bar. Logged up after shooting.
00:30 - 01:30: POOH from 3900 m to 2800 m Observed leak on grease skid.
01:30 - 02:00: Leak on the drum for one of the hoses running from the grease skid up to GIH. Isolated same and continued POOH with only one hose injecting grease to GIH.
02:00 - 03:40: Continued to POOH from 2800 m to surface. When at DHSV depth performed pa announcement for handling explosives on drillfloor.
03:40 - 05:25: Closed SV and HMV and inflow tested same. Purged lubricator with n2.
05:25 - 05:35: Performed toolbox talk prior to break lubricator and l/d toolstring.
05:35 - 07:00: Broke lubricator and l/d BHA Observed all shots fired.
07:00 - 11:30: Altus and schlumberger started tool check for next perforation toolstring. Meanwhile altus wireline changed grease hose on GIH.
11:30 - 11:45: Performed toolbox talk prior to m/u BHA#3.
11:45 - 12:50: Installed BHA tractor and 4,5" perforation guns into lubricator. Added 40 litres of starlube into lubricator.
12:50 - 14:00: Stabbed lubricator and leak tested QTS to 20/345 bar for 5/10 min. Production filled lubricator with MEG using permanent line into XMT cross. Equalized and opened HMV and SV. WHP 119 bar.
14:00 - 14:20: RIH w/ BHA tractor and 4,5" perforation guns from surface to 300 m.
14:20 - 14:25: Powered up tool and checked communication.
14:25 - 16:15: Continued to RIH from 300 m to 2800 m. Tool stopped. Had to start tractor.
16:15 - 16:30: Switched over to tractor. Observed problems with tractor communication.
16:30 - 17:30: Checked tractor power supply. OK. Checked all connections. Found loose connection. Communication OK.
17:30 - 21:35: Tractored down from 2800 m to 4030 m. Tractor speed decreased to approx. 2-4 m/min.
21:35 - 00:00: Swiched over to logging and performed first correlation pass at 10 m/min from 4030 to 3860 m. Run back in and repeated sequence for orientation of guns. Run back in with tractor.

24-hour summary: Perforated zone from 3960-3969 m. POOH and prepared toolstring for next perforation. RIH and started to correlate depth prior to perforate.
Hourly activities:
00:00 - 00:30: Switched over logging and performed second orientation pass at 10 m/min from 4030 m to 3860 m.
00:30 - 01:30: Switched over to tractor and RIH to position gun prior to perforate.
01:30 - 02:45: Switched over to logging and p/u to position for perforation. Observed log was 1 meter shallow. Repeated pass, still shallow. Shifted depth m. Performed new pass and positioned gun. Perforated interval 3910 3919 m. Observed shots fired on tension. WHP 118 bar.
02:45 - 03:00: Logged up. Observed logging tool not communicating. Stopped and checked communication. Possible short in tool after perforation.
03:00 - 05:30: POOH from 3853 m to surface.
05:30 - 07:30: Closed SV HMV and inflow tested same. Purged lubricator with n2.
07:30 - 07:45: Performed toolbox talk prior to l/d BHA
07:45 - 08:30: Broke lubricator and l/d BHA on deck. All shots fired.
08:30 - 09:00: Latched lubricator for lifting lubricator BOP.
09:00 - 14:30: Closed BOP and opened HMV for inflow testing of DHSV. Bled off pressure above DHSV. Meanwhile held toolbox talk prior to rig down lubricator, BOP and riser from XMT.
14:30 - 14:55: Closed HMV and bleed off pressure below BOP.
14:55 - 18:10: Disconnected hoses to BOP and prepared to lift rig up off XMT. Disconnected riser on XMT. Lifted lubricator, BOP and riser using top-drive and double securing, secured same in rotary.
18:10 - 18:45: Installed top cap and leak tested XMT top cap to 20/345 bar for 5/10 min. Meanwhile prepared for skidding rig.
18:45 - 19:30: Had to wait due to skidding from f-11b to f-5.
19:30 - 20:30: Installed KWV cap and leak tested same to 20/345 bar for 5/10 min.
20:30 - 21:00: Disconnected lines for local control of DHSV and HMV. Cleaned and tidyed area. Handed well over to production. end of operation

24-hour summary: Perforated zone from 3910 m to 3919 m. POOH and l/d toolstring. Rigged down equipment and tested XMT barriers. Handed well over to production.
Hourly activities:
05:30 - 10:30: Transferred over from well 15/9-f-11. Oriented time drilled 26" hole from 257 m to 266 m, 3080 l/min, 75 bar, 1 2 tons wob, 2 m/hrs. Pumped hi-vis sweeps.
10:30 - 11:00: Attempted to take MWD gyro trac survey, no-go.
11:00 - 12:30: Attempted to l/d single 5 1/2" DP joint to prior to taking wirelien gyro survey. P/u with 30 tons overpull and pulled free. Pumped hi-vis sweep and circulated same out of hole. Increased flow to 4100 l/min, 130 bar and worked string over interval 237 m to 244 m.
12:30 - 14:00: Made wiper trip from 244 m to inside 30" shoe at 202 m with 3000 l/min, 72 bar, 15 RPM, 2 KNM.
14:00 - 15:00: Washed and reamed down from 30" conductor shoe at 202 m to 244 m, 3000 l/min, 72 bar, 15 RPM, 2 KNM, no obstruction observed. Reamed back from 244 m to 238 m, 3000 l/min, 72 bar, 15 RPM, 2 KNM.
15:00 - 15:30: R/u wireline, RIH and took gyro survey m bit depth) survey station inclination azi 196 0. 14 241. 85
15:30 - 16:30: Washed down from 238 m to bottom at 266 m, 3000 3500 l/min, 72 90 bar. No obstruction observed.
16:30 - 17:00: R/u wireline, RIH and took gyro survey m bit depth) survey station inclination azi 223. 6 0. 58 285. 5
17:00 - 19:00: Oriented toolface, POOH and r/d wireline. Oriented time drilled 26" hole from 266 m to 272 m, 3460 l/min, 98 bar, 4 tons wob. Pumped hi-vis sweeps.
19:00 - 20:30: Evaluated directional data. Drilled 26" hole from 272 m to 279 m, 3460 l/min, 98 bar, 40 RPM, 5 KNM, 4 tons wob. Pumped hi-vis sweeps.
20:30 - 21:00: R/u wireline, RIH and took gyro survey m bit depth) survey station inclination azi 236. 9 0. 59 283. 17
21:00 - 22:00: Drilled 26 hole from 279 m to 292 m, 3670 l/min, 110 bar, 40 RPM, 5 KNM, 2 5 tons wob. Pumped hi-vis sweeps.
22:00 - 22:30: R/u wireline, RIH and took gyro survey m bit depth) survey station inclination azi 249. 0 0. 97 314. 87
22:30 - 23:30: Drilled 26 hole from 292 m to 306 m, 3670 l/min, 110 bar, 40 RPM, 4 KNM, 2 4 tons wob. Pumped hi-vis sweeps.
23:30 - 00:00: R/u wireline, RIH and took gyro survey m bit depth) survey station inclination azi 264. 0 1. 32 310. 50

24-hour summary: Transferred over from well 15/9-f-11. Oriented drilled 26" hole from 257 m to 266 m. Observed 30 tons overpull. Made wiper trip back to 30" conductor shoe at 202 m Drilled and oriented 26" hole from 266 m to 306 m.
Hourly activities:
00:00 - 02:00: Prepared POOH from bottom at 453 m. Installed grease pump in crown block. Oriented 26" steering BHA. Displaced well to 1. 35 SG KCL mud, 1100 3100 l/min, 8 70 bar. Confirmed barriered off rig floor and cantelever. POOH from 454 m, recorded overpull of 30 tons. Broke circulation 650 l/min, 10 bar, 40 RPM, 15 KNM. POOH up through tight spot from 454 to 438 m. Stand of 5 1/2" DP mistakenly released from elevators while still connected in rotary.
02:00 - 02:30: Connected PRS to 5 1/2" DP stand in derrick and connected elevators to same.
02:30 - 06:00: POOH 26" BHA on 5 1/2" DP from 438 m and above seabed at 144 m to 128 m observed by ROV.
06:00 - 07:00: R/b 26" BHA from 128 m to 100 m.
07:00 - 07:30: Performed pre-job meeting with new crew prior to handling 26" BHA.
07:30 - 10:00: R/b 26" BHA from 100 m to 37 m.
10:00 - 10:30: Performed pre-job meeting prior to l/d 26" BHA to deck.
10:30 - 13:30: Dumped MWD data and l/d 26" BHA to deck.
13:30 - 14:00: Cleared and cleaned rig floor.
14:00 - 14:30: Performed pre-job meeting prior to preparing for changing out fast-line sheave in crown block.
14:30 - 21:30: Prepared for changing out fast-line sheave in crown block. Visually inspected top drive, hung off top drive, rigged down wireline equipment.
21:30 - 22:00: Performed pre-job meeting prior to work aloft on fast-line sheave in crown block.
22:00 - 00:00: Waited on flair prior to work aloft. Meanwhile made tools ready to work on fast-line sheave in crown block, cleared and cleaned rig floor, prepared BOP test stump and performed general rig maintenance.

24-hour summary: POOH 26" BHA from bottom at 454 m to surface. L/d 26" BHA to deck. Prepared for changing out fast-line sheave in crown block.
Hourly activities:
00:00 - 07:00: Prepared for changing out fast-line sheave in crown block. Transferred tools to derrick. Meanwhile performed general rig maintenance.
07:00 - 07:30: Performed pre-job meeting prior to work aloft on fast-line sheave in crown block.
07:30 - 19:00: Prepared for changing out fast-line sheave in crown block. Transferred high-torque tools to derrick. Loosened all bolts on sheave and secured same in derrick. Meanwhile performed general rig maintenance, changed wires on overhead cranes, detected leakage on BOP annular function and trouble shoot same.
19:00 - 19:30: Performed pre-job meeting prior to work aloft on fast-line sheave in crown block.
19:30 - 00:00: Prepared for transferring fast-line sheave from derrick to drill floor. Meanwhile performed general rig maintenance, trouble shoot leakage on BOP annular function.

24-hour summary: Prepared for changing out fast-line sheave in crown block. Performed general rig maintenance.
Hourly activities:
00:00 - 06:00: Transferred fast-line sheave from derrick to drill floor, and lifted same from rig floor to welders workshop. Meanwhile performed general rig maintenance, trouble shoot leakage on BOP annular function.
06:00 - 14:00: Repaired failed fast line sheave and re-assembled bearing assembly. Meanwhile performed service and visual inspection of forward and aft pipe racking system. Continued BOP annular repair. Tested backup MWD tools. Serviced TDS travelling block and dolly. Repaired TDS hangoff wire.
14:00 - 14:30: Transferred fast-line sheave to rig floor. Prepared sheave for transport to crown block.
14:30 - 15:00: Performed toolbox talk prior to hoisting fast-line sheave to crown.
15:00 - 00:00: Transferred fast-line sheave from drill floor to derrick. Installed sheave. Meanwhile performed general rig maintenance, trouble shoot leakage on BOP annular function.

24-hour summary: Repaired fast-line sheave in derrick. Performed general maintenance.
Hourly activities:
00:00 - 07:00: Continued installing fast-line sheave in derrick. Meanwhile repaired leakage on BOP annular function. Prepared to function test same.
07:00 - 07:30: Performed prejob meeting prior to rig down lifting gear and equipment from derrick.
07:30 - 12:00: Transfered equipment from derrick to rig floor and rigged down lifting equipment. Performed derrick inspection. Calibrated crown grease pump. Ran drawworks and confirmed sheave movement.
12:00 - 12:30: Rigged up wireline sheave.
12:30 - 13:15: Picked up and made up 26" bottom hole assembly to 10m.
13:15 - 14:15: Waiting for stop of production on well f-14/f-12. Meanwhile performed general maintenance.
14:15 - 22:00: Picked up and made up 26" bottom hole assembly to 140m.
22:00 - 22:30: Stung 26" bit into conductor housing funnel and ran in hole with 26" bottom hole assembly from 140m MD to 152m MD. Informed production supervisor ready to start up f-14 production.
22:30 - 23:00: Performed pre-job meeting prior to run in hole with 26" bottom hole assembly. Meanwhile ran wireline gyro and set to 356 degrees.
23:00 - 00:00: Ran in hole with 26" bottom hole assembly on 5 1/2" drill pipe from 152m MD to 230m MD.

24-hour summary: Repaired fast-line sheave in derrick. Performed general maintenance. Picked up and made up 26" bottom hole assembly.
Hourly activities:
00:00 - 01:30: Ran in hole with 26" bottom hole assembly on 5 1/2" drill pipe from 230m MD to 406m MD. Observed resistance at 406m MD. Attempted to pass restriction with 10mt no go.
01:30 - 02:30: Established circulation with 2000 LPM and 30 bar. Attempted to pass restriction with 2000 LPM and 30 bar no go. Increased flow to 3000 LPM and 90 bar. Washed in hole with 26" bottom hole assembly on 5 1/2" drill pipe with 3000 LPM and 90 bar from 406m MD to 454m MD. Tagged bottom with 10 MT.
02:30 - 02:45: Performed survey with gyrotrak. Survey station inclination azi 426. 7 2. 55 313. 14
02:45 - 04:00: Drilled 26" hole from 454m MD to 469m MD with 4500 LPM, 152 bar, 1. 12 SG ECD, 40 surface RPM total RPM), 4-9 KNM, 2-8 MT. Pumped 10m3 hi-visc pill for every single. Average ROP 12 m/hr. Performed survey with gyrotrak. Survey station inclination azi 444. 6 2. 46 316. 30
04:00 - 13:30: Drilled 26" hole from 469m MD to 639m MD with 4500 LPM, 152-162 bar, 1. 12-1. 14 SG ECD, 40-60 surface RPM total RPM), 4-12 KNM, 2-15 MT. Pumped 10m3 hi-visc pill for every single. Gyro performed every stand. Average ROP 17. 9 m/hr
13:30 - 14:30: Slided and oriented 26" hole from 639m MD to 650m MD with 4500 LPM, 162-165 bar, 1. 12 SG ECD, 5-10mt. Average ROP 11 m/hr
14:30 - 16:00: Drilled 26" hole from 650m MD to 674m MD with 4500 LPM, 162-163 bar, 1. 12 SG ECD, 60 surface RPM total RPM), 6-9 KNM, 6-15 MT. Pumped 10m3 hi-visc pill for every single. Average ROP 16 m/hr
16:00 - 00:00: Drilled and oriented 26" hole from 674m MD to 793m MD with 4500 LPM, 162-168 bar, 1. 12-1. 14 SG ECD, 60 surface RPM total RPM), 6-13 KNM, 5-17mt. Pumped 10m3 hi-visc pill for every single. Average ROP 14. 9 m/hr

24-hour summary: Drilled and oriented 26" hole from 454m MD to 793m MD.
Hourly activities:
00:00 - 06:00: Slided and oriented 26" hole from 793m MD to 850m MD with 4500 LPM, 152-163 bar, 1. 09-1. 10 SG ECD, 8-20mt. Pumped 10m3 hi-visc pill for every single. Average ROP 9,5 m/hr
06:00 - 09:30: Slided and oriented 26" hole prior to entering utsira formation from 850m MD to 885m MD with 4500 LPM, 163-174 bar, 1. 09-1. 13 SG ECD, 7-20mt. Pumped 10m3 hi-visc pill for every single. Average ROP 10 m/hr entered utsira fm at 885m MD.
09:30 - 19:00: Drilled and oriented 26" hole from 885m MD to 1071m MD with 3000 LPM, 88-94 bar, 1. 13-1. 16 SG ECD, 30 surface RPM total RPM), 3-14 KNM, 4-15 MT. Observed occational hard stringers. Pumped 10m3 hi-visc pill for every single. Average ROP 19. 6 m/hr base utsira fm at 1071m MD.
19:00 - 00:00: Slided and oriented 26" hole from 1071m MD to 1102m MD with 4500 LPM, 171-176 bar, 1. 09-1-13 SG ECD, 15-20 MT. Observed sticky formation and problems maintaining toolface. Pumped 10m3 hi-visc pill for every single. Reamed every stand prior to taking connection. Average ROP 6. 2 m/hr

24-hour summary: Drilled and oriented 26" hole from 793m MD to 1102m MD.
Hourly activities:
00:00 - 02:00: Slided and oriented 26" hole from 1345m MD to 1359m MD with 4500 LPM, 171-175 bar, 1. 09-1. 10 SG ECD, 12-18 MT. Pumped 10m3 hi-visc pill for every single. Reamed every stand prior to taking connection. Average ROP 7. 0 m/hr
02:00 - 03:30: Slided and oriented 26" hole from 1359m MD to 1365m MD with 4500 LPM, 171-176 bar, 1. 09-1. 10 SG ECD, 12-18 MT. Observed hard formation. Base skade fm verified to 1330m MD. Section TD set to 1365m MD. Average ROP 4. 5 m/hr
03:30 - 09:30: Circulated hole clean with 4500-4800 LPM, 172-196 bar and 80 RPM. Pumped 2 x 30m3 hi-visc sweeps and circulated 3 x bottoms up.
09:30 - 12:00: Ran in hole and tagged TD with 5mt. Displaced open hole volume with 1. 35 SG KCL mud at 4800 LPM, 195 bar and 80 RPM. Observed problems with suction on mud pumps.
12:00 - 15:30: Pulled out of hole with 26" bottom hole assembly from 1365m MD to 460m MD. Observed tight hole at 460m MD. Attempted to get past restriction with maximum 30mt overpull no go.
15:30 - 16:00: Established circulation with KCL mud at 500 LPM. Attempted to lubricate out of hole with 26" bottom hole assembly with 500 LPM and 10 RPM no go.
16:00 - 17:30: Established circulation with seawater at 4000 LPM, 170 bar and 30 RPM. Reamed stand from 472m MD to 432m MD. Continued to circulate hole clean with 4000 LPM, 170-175 bar and 30 RPM. Circulation interupted by mud pumps shutting down.
17:30 - 18:30: Troubleshoot and repaired eletrical fault on mud pumps. Meanwhile pulled out of hole with 26" bottom hole assembly from 460m MD to 350m MD to check hole conditions. No overpull observed.
18:30 - 19:30: Ran in hole with 26" bottom hole assembly from 350m MD to 460m MD.
19:30 - 20:15: Displaced remaining open hole volume with 1. 35 SG KCL mud at 4000 LPM, 10 RPM.
20:15 - 21:15: Pulled out of hole with 26" bottom hole assembly from 460m MD to 185m MD. Informed production control room to shut down producing wells according to simops.
21:15 - 23:30: Performed scheduled service on top drive and pipe racking system. Performed pre-job meeting prior to lay down rack back 26" bottom hole assembly. Meanwhile shut down producing wells and f-14)
23:30 - 00:00: Racked back 5 1/2" heavy weight drill pipe in derrick from 185m MD to 144m MD.

24-hour summary: Drilled and oriented 26" hole from 1345m MD to 1365m MD. Circulated hole clean. Displaced open hole volume to 1. 35 SG KCL mud. Pulled out of hole with 26" bottom hole assembly from 1365m MD to 144m MD.
Hourly activities:
00:00 - 03:00: Broke out and racked back 5 1/2" heavy weight drill pipe and 9 1/2" drill collars in derrick from 144m MD to 60m MD.
03:00 - 03:30: Downloaded MWD.
03:30 - 06:45: Broke out and laid down ontrak, gyrotrak and motor to deck.
06:45 - 07:30: Performed prejob meeting prior to rig up casing running equipment.
07:30 - 14:30: Made up cement stand and racked back in derrick. Rigged up to run 20" casing. Removed drilling bails and elevators, installed casing bails and elevators. Observed that 20" casing tong door had problems opening and closing.
14:30 - 17:00: Retrieved CTS and hoses from seabed. Meanwhile performed prejob meeting prior to run 20" casing.
17:00 - 18:00: Installed 20" casing bushings and slips.
18:00 - 20:30: Picked up shoe joint on deck. Verified float by hosing water through it. Made up shoe joint and float collar joint. Thread locked to connection. Experienced problems with pipedeck machine Claw did not open. Not able to pick up casing joints from pipedeck to catwalk.
20:30 - 00:00: Troubleshoot and repaired pipedeck machine Found tilt function and boom extension not working. Meanwhile performed general maintanence.

24-hour summary: Racked back and laid down 26" bottom hole assembly. Rigged up to run 20" casing. Picked up and made up shoe joint, float collar joint and one intermediate joint with thread lock. Troubleshooting and repairing of pipe deck machine