bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
00:00 - 01:30: Secured overshot joint with tugger in moonpool due to movements in same. Landed diverter on overshot joint. Made up diverter to overshot joint.
01:30 - 02:30: Changed dye block retaining plate on TDS. Meanwhile worked to function flowline isolation valve.
02:30 - 03:30: Filled conductor with seawater. Observed leakage above diverter barrier). Meanwhile worked to function flowline isolation valve.
03:30 - 04:00: Held handover meeting on drillfloor. Held toolbox talk prior to picking up 26" drillout BHA.
04:00 - 05:00: Picked up and installed 12 1/4" x 17 1/2" x 26" drillout BHA. Gauged bit. Meanwhile worked to function flowline isolation valve.
05:00 - 06:00: Pick up and make up 9 3/4" DC. Meanwhile worked to function flowline isolation valve.
06:00 - 09:00: Continued making up 26" drillout BHA. RIH with 26" drillout BHA to 180 m MD. Meanwhile worked to function flowline isolation valve.
09:00 - 00:00: Worked to function flowline isolation valve. Meanwhile conveyer belt on HTS pit and with h2s scavanger out HPDR on pipedeck

24-hour summary: Made up 26" drillout BHA and RIH with same to 180 m MD. Worked to function flowline isolation valve.
Hourly activities:
00:00 - 06:00: Worked to function flowline isolation valve. Meanwhile for making up HPDR in doubles on pipedeck slop from pit to DCI holding tank
06:00 - 14:00: Function tested flowline isolation valve from koomey unit. Could not operate valve from BOP panel due to lacking signal from PLC. Managed to operate flowline isolation valve manually. Meanwhile on TDS and flowline actuator. daily maintenace, PMS and housekeeping. flowline to trip tank. flowline isolation valve periodically during testing.
14:00 - 14:30: Held tool box meeting prior to drilling out shoe track. Focused on potential for stuck pipe.
14:30 - 15:00: RIH with 26" hole opner BHA from 180 m to 222 m. Washed down from 222 m with 2000 LPM, 12 bar. Tagged cement at 250 m with 3 ton. Up weight 94 t/ down weight 97 t.
15:00 - 16:30: Drilled CMT/SHOE track with 26" hole opner BHA 3000 LPM, 50 RPM and 1-3 ton wob. Picked bit off bottom and stopped pumps.
16:30 - 17:30: Function tested diverter system. Ran diverting sequence on port and aft overboard lines from BOP panel. Verified visually that diverter element closed, flowline isolation valve closed and diverter line valve opened.
17:30 - 22:30: Continued to drill CMT/SHOE track from 250 m until 26" hole opener was out of 30" conductor shoe 3000 LPM, 50 RPM and 1-3 ton wob. Reamed shoe track every 1-2 m. Pumped 15 m3 1. 12 SG hi-vis pill and circulated out same. Noticable increase in cuttings observed.
22:30 - 00:00: Drilled 2 m new formation with 26" hole opner BHA 3000 LPM, 55 RPM and 1 ton wob. Reamed rate hole and shoe track.

24-hour summary: Worked to function flowline isolation valve on diverter. RIH with 26" ho BHA from 180-250 m MD. Function tested diverter system. Drilled out 30" shoe. Cleaned out rat hole and drilled 3 m new formation. POOH and racked back 26" ho BHA.
Hourly activities:
00:00 - 01:30: Drilled 1,5 m new formation with 26" hole opner BHA 3000 LPM, 55 RPM and 0. 5-1 ton wob. Reamed rat hole. Pumped 15 m3 1. 12 SG hi-vis pill and circulated out same. Meanwhile held tool box meeting for manual handling of BHA.
01:30 - 02:30: Pulled through shoe track without rotation to verify no restrictions and continued POOH to 141 m.
02:30 - 03:00: Malfunction of forward PRS. Trouble-shooted same and found failure on proximity switch.
03:00 - 04:30: Continued POOH with 26" ho BHA and racked back same.
04:30 - 05:30: Held tool box meeting prior to removing master bushing and diverter inserts. Removed inserts.
05:30 - 06:00: Continued POOH with 26" ho BHA and racked back same.
06:00 - 08:00: POOH with 26" ho BHA from 29 m to 8 m and racked back same. Held tool box meeting prior to POOH with 12 1/4" x 17 1/2" x 26" hole opener assembly. Removed master bushing and lo 26" ho BHA. Cleared rig floor.
08:00 - 10:30: Held pre-job meeting. PU and RIH with 8 1/2" pilot hole BHA to 32 m.
10:30 - 11:30: Held tool box meeting prior to installing radioactive source. Barried off wellhead, moonpool and rigfloor. Installed radioactive source into ADN according to schlumberger procedure.
11:30 - 17:30: Continued to PU and RIH with 8 1/2" pilot hole BHA from 32 m to 225 m. Meanwhile recovered ROV to surface to repair camera.
17:30 - 00:00: Raw water pumpe failed and left rig with only 1 out of 3 pumpes available. Due to the criticality of the pump delivering firewater, cooling water etc the drilling operation is postphoned until the pump is replaced. held tool box meeting to install diverter elements. Removed master bushing and replaced torn 22" outer diverter elements by new 18" elements. held tool box meeting prior to POOH. POOH with 8 1/2" BHA from 212 m to 32 m. cleared rig floor before handling radioactive sources. Removed batteries. meanwhile continued POOH to 17 m.

24-hour summary: Bo 12 1/4" x 17 1/2" x 26" hole opner assembly. PU and RIH with 8 1/2" pilot hole assembly to 225 m. POOH with 8 1/2" pilot hole assembly to recharge batteries due to approx. 24 hours expected delay in drilling operation caused by failing raw water pump. MU and RB 3 1/2" DP.
Hourly activities:
00:00 - 04:00: Waited on boat to arrive with raw water pump. Meanwhile continued to lo BHA from 17 m to surface. Cleaned and cleared rig floor of excess equipment. Lowered foldable finger board, changed inserts in fox hole and arranged equipment in set back prior to PU 3 1/2" DP. Held tool box meeting prior to MU 3 1/2" DP.
04:00 - 06:00: MU and RB 3 1/2" DP. Changed dies in aft PRS. Meanwhile started installation of raw water pump.
06:00 - 12:00: MU and RB 3 1/2" DP. Meanwhile trouble-shooted raw water pump failure and performed rig maintenance, housekeeping and monitored well on trip tank. Found leak rate of 200 l/hour.
12:00 - 00:00: Waiting on trouble-shooting of raw water pump failure. removed master busing, installed 18" and 10" diverter inserts and re-installed master bushing. worked with mechanic on TDS. observed leak rate of 250 l/hour. Found leaking valve on flowline valve. Actuator misaligned and unable to fully close flowline dumped pit 6 and filled with fresh seawater. Dressed all 6 shakers with 20/80 mesh screens.

24-hour summary: MU and RB 3 1/2" DP. Performed rig maintenance while waiting on trouble-shooting raw water pump failure.
Hourly activities:
00:00 - 06:00: Waiting on trouble-shooting of raw water pump failure. Meanwhile worked on flowline valve and actuator and stopped observed leakage.
06:00 - 19:00: Waiting of raw water pump repair. performed rig maintenance, performed dropped object survey punch items and prepared equipment for 26" section. meanwhile monitored well on trip tank. Loss rate of approx. 100 l/hour recorded. meanwhile performed man ride service on TDS and 2 PRS and changed out valve on diverter system. had derrick inspection.
19:00 - 00:00: Waiting of raw water pump repair. Meanwhile PU and RIH with 8 1/2" pilot hole BHA to 246 m. Schlumberger fitted fresh batteries and loaded ra source.

24-hour summary: Waited on raw water pump repair. MU and RIH with 8 1/2" pilot hole BHA. Perform shallow gas drill. Circulate in 1. 60 SG mud and perform fit to 1. 20 EQMW. Circulated out 1. 60 SG mud. Washed down with seawater to tagged bottom of hole at 261 m.
Hourly activities:
00:00 - 00:15: Waiting of raw water pump repair. Meanwhile PU and RIH with 8 1/2" pilot hole BHA from 246 to 251 m.
00:15 - 01:30: Had pre-job meeting with all personnel on shallow gas procedure. Performed shallow gas drill inside shoe at 251 m. Pumped 900 LPM, 15 bar and operated diverter bag and observed flow being re-directed through port overboard line. Switched between pits on the fly.
01:30 - 06:00: Pumped 27m3 1. 60 SG mud at 2000 LPM, 110 bar and displaced out of bit using seawater. Flow checked well for 1 hour. Had stable loss rate of 120 l/hour eqvivalent to the loss rate monitored on the trip tank prior to the fit. Picked up 1 stand and circulated out upper part of 1. 60 SG mud, 2000 LPM and 84. 5 bar. RIH with 1 stand and circulated out remaining 1. 60 SG mud.
06:00 - 11:30: Drilled 8 1/2" pilot hole BHA from 261. 4 m to 296 mmd, 2000 LPM, 89 bar, 60 RPM, 1-4 KNM, 1-3 MT wob, ECD 1. 19 SG, ROP 9 m/hr. BHA WT 23 MT. WT below jar 15 MT.
11:30 - 12:30: PU off bottom and circulated due to riser leak. Pumped out to shoe from 296 m to 251 m, 890 LPM and 10 RPM. Located leak to be in wellhead connector, 70-80 l/hr.
12:30 - 14:00: Flow checked well over trip tank while waiting on decision. Leakage stopped and well flow checked OK. Meanwhile performed general maintenance and houskeeping.
14:00 - 21:30: RIH with 8 1/2" pilot hole BHA from 251 to 290 m. MU TDS and washed down from 290 m to 296 m. Drilled 8 1/2" pilot hole from 296 m to 399 mmd, 2000 LPM, 90-98 bar, 60-120 RPM, 1-4 KNM, 1-3 MT wob, ECD 1. 20 SG, ROP 15-20 m/hr.
21:30 - 22:15: Circulated and reciprocated btms up, 2000/2250 LPM, 100/114 bar, due to rapide increase in ECD to 1. 23 SG. Diluted and conditioned mud from 1. 14 SG to 1. 12 SG.
22:15 - 00:00: Drilled 8 1/2" pilot hole from 399 m to 415 mmd, 2250 LPM, 112 bar, 120 RPM, 2-3 KNM, 1-3 MT wob, ECD 1. 21-1. 23 SG, ROP 10-46 m/hr, inc 0. 46 deg.

24-hour summary: Drilled 8 1/2" pilot hole from 525 m to 618 m. Had small leak in wellhead connection. Leakage stopped. Continued to drill 8 1/2" pilot hole from 296 m to 473 m. Observed 1m3 gain in active.
Hourly activities:
00:00 - 02:00: Drilled 8 1/2" pilot hole from 415 m to 467 mmd, 2272 LPM, 116 bar, 120 RPM, 2-3 KNM, 1-3 MT wob, ECD 1. 23-1. 25 SG, ROP 36 m/hr.
02:00 - 02:15: Circulated and reciprocated btms up, 2272 LPM, 116 bar, due to rapide increase in ECD to 1. 27 SG. Diluted and conditioned mud from 1. 15 SG to 1. 12 SG.
02:15 - 03:00: Drilled 8 1/2" pilot hole from 467 m to 473 mmd, 2272 LPM, 116 bar, 120 RPM, 2-3 KNM, 1-2 MT wob, ECD 1. 25 SG, ROP 37 m/hr. Observed gain of 1 m3 in active. PU off BTM and flow checked well static for 15 min. OK.
03:00 - 04:00: Circulated btms up, 2272 LPM, 116 bar. No gas observed. Meanwhile diluted and conditioned mud to 1. 12 SG.
04:00 - 06:00: Drilled 8 1/2" pilot hole from 476 m to 525 mmd, 2272 LPM, 116 bar, 120 RPM, 2-3 KNM, 1-2 MT wob, ECD 1. 23 SG. Reduced ROP from 36 m/hr to 30 m/hr at 500 m according to program.
06:00 - 12:00: Drilled 8 1/2" pilot hole from 525 m to 618 mmd, 2250 LPM/115 bar, 120 RPM/1-6 KNM, 2-15 MT wob, ECD 1. 21-1. 23 SG. Limited 30 m/hr according to program. ROV monitored wellhead connector.
12:00 - 13:30: Reamed full stand and circulated well clean, 2250 LPM 115 bar. Racked back one stand.
13:30 - 14:30: MU TDS, rotated 10 RPM and flow checked well. Total loss 140 l over 1. 5 HR. Meanwhile checked rollers and dies on aft PRS.
14:30 - 15:00: Prepared to wash STD down. Unable to open flowline isolation valve.
15:00 - 00:00: Trouble-shooted and repaired flowline isolation valve. Meanwhile POOH from 578 m to shoe at 251 m.

24-hour summary: Drilled 8 1/2" pilot hole from 525 m to 618 mmd. Circulated well clean and flow checked. POOH from 578 m to shoe at 251 m while trouble-shooted and repaired flowline isolation valve failure.
Hourly activities:
00:00 - 06:00: Trouble-shooted and repaired flowline isolation valve. Meanwhile performed general housekeeping.
06:00 - 15:30: Repaired flowline isolation valve. Meanwhile performed general maintenance and housekeeping. Performed derrick inspection and monitored well on trip tank. Stable loss rate 170 l/hr connector).
15:30 - 20:00: Washed down from 251 m to 618 m, 2250 LPM/109 bar. No fill.
20:00 - 20:30: Had pre-job meeting with new night crew on shallow gas procedure and function tested flowline isolation valve 5 times.
20:30 - 00:00: Drilled 8 1/2" pilot hole from 618 m to 685 m, 2250 LPM/114 bar, 120 RPM/1-3 KNM, 1-3 MT wob, ECD 1. 21-1. 24 SG. Observed losses, 3 m3/15 min at 655 m. Circulated with reduced flow, 1800 LPM. Increased flow rate to 2250 LPM and observed loss of 200 l/min. Total loss was 10 m3.

24-hour summary: Repaired flowline isolation valve. Drilled 8 1/2" pilot hole from 618 m to 780 mmd.
Hourly activities:
00:00 - 06:00: Drilled 8 1/2" pilot hole from 685 m to 780 m, 2250 LPM/115 bar, 120 RPM/1-4 KNM, 1-3 MT wob, ECD 1. 21-1. 25 SG. Circulated and reamed one STD every 3 hours due to high ECD reading of 1. 27 SG. No loss observed.
06:00 - 13:30: Drilled 8 1/2" pilot hole from 780 m to 870 m, 2250 LPM/117 bar, 120 RPM/1-3 KNM, 3-4 MT wob, ECD 1. 25 SG.
13:30 - 14:00: Circulated hole clean prior to drilling through utsira formation, 2250 LPM/113 bar, 120 RPM/1-3 KNM.
14:00 - 15:00: Continue to drill 8 1/2" pilot hole from 870 m to 890 m, 2250 LPM/117 bar, 120 RPM/1-3 KNM, 0-6 MT wob, ECD 1. 25 SG. Observed increasing wob from 880 to 882 followed by no wob from 882 m to 886 m.
15:00 - 16:00: Circulated hole clean, 2250 LPM/113 bar, 120 RPM/1-3 KNM.
16:00 - 18:30: Function tested flowline isolation valve 5 times. Displaced well to seawater, 2250 LPM/102 bar, 100 RPM/1-3 KNM. Flow checked well and observed loss of 500 l/hr. Observed increasing leak rate on connector using seawater.
18:30 - 00:00: Pumped 10 m3 hi-vis pill and started drilling 8 1/2" pilot hole from 890 m to 941 m2250 LPM/105 bar, 120 RPM/1-3 KNM, 0-1 MT wob, ECD 1. 12 1. 20 SG Pumped 10 m3 hi-vi pills according to program. Had to back-ream 1 STD every 5-10 m due to high ECD readings. Meanwhile decided to displace well to WBM.

24-hour summary: Drilled 8 1/2" pilot hole from 780 m to 890 m. Displaced well to seawater and flow checked. Continued drilling 8 1/2" pilot hole from 890 m to 941 m pumping SW and hi-vis pills. Experienced high ECD readings. Reamed STD, ran into fill with 10 MT wob at 934 m. Displaced well to WBM.
Hourly activities:
00:00 - 02:00: Prepared for connection at 941 m and had 10 MT wob at 934 m, 120 RPM. Slowed down to 30 RPM and re-ran in and got 5 MT wob at 934 m 0-1 MT wob while drilling this section). Pulled back to 910 m and circulated and swept 2 x 5m3 hi-vis pills. Took time-out to discuss further action. Meanwhile had boat delivering drillwater for mixing mud.
02:00 - 06:00: Mixed 1. 08 SG mud and displaced well to same, 2250 LPM/105 bar, 30 RPM/1-3 KNM.
06:00 - 20:00: Drilled 8 1/2" pilot hole from 941 m to 1178 m, 2250 LPM/111 bar, 120 RPM/1-5 KNM, 1-2 MT wob, ECD 1. 14-1. 20 SG. Reamed each stand. Took weight at 978 m, 1027 m, 1040 m and 1060 m, while reaming. Worked through tight spots and continued drilling. Observed MAX gas reading of 0. 6 Stringer at 1002-1003 m.
20:00 - 21:00: Rig ESD system had shut-down. Managed to rotate string 10 RPM and pump 200 LPM with cement unit.
21:00 - 22:00: Reamed 1 STD and circulated btms up, 2250 LPM/101 bar, 125 RPM/1-5 KNM. Lost 2 m3/hr over shakers due to high amount of cuttings.
22:00 - 00:00: Waiting on geoservices to have their sensors reading data. Meanwhile reamed and circulated 2250 LPM/101 bar.

24-hour summary: Drilled 8 1/2" pilot hole from 941 m to 1178 m. Had ESD shut-down. Waited on geoservices to be able to read their sensors. Continued drilling 8 1/2" pilot hole from 1178 m to 1262 m.
Hourly activities:
00:00 - 02:30: Waiting on geoservices to have their sensors reading data. Meanwhile reamed and circulated 2250 LPM/101 bar.
02:30 - 06:00: Drilled 8 1/2" pilot hole from 1178 m to 1262 m, 2250 LPM/105 bar, 125 RPM/2-3 KNM, 1-4 MT wob, ECD 1. 19-1. 28 SG. Reamed each stand. Reamed and circulated when experienced high ECD readings.
06:00 - 12:00: Drilled 8 1/2" pilot hole from 1262 m to 1353 m, 2250 LPM/108 bar, 125 RPM/2-5 KNM, 1-4 MT wob, ECD 1. 19-1. 28 SG. Reamed each stand. Reamed and circulated when experienced high ECD.
12:00 - 14:00: Circulated 2 x btms up, 2250 LPM/108 bar, 125 RPM/2-5 KNM.
14:00 - 14:30: Flow check well prior to displace well to 1. 40 SG WBM. Meanwhile held tool-box talk for displacement.
14:30 - 15:30: Displaced well to 50 m3 of 1. 40 SG WBM, 1200 LPM/8 bar, 80 RPM/1-4 KNM. MAX ECD 1. 21 SG.
15:30 - 20:00: POOH with 8 1/2" BHA from 1353 m to 294 m. Observed 2 MT MAX drag. Meanwhile placed cuttings funnel on f-4 using moonpool tugger.
20:00 - 20:30: Pumped 13 m3 of 1. 40 SG WBM at 290 m, 900 LPM/11 bar, 10 RPM/1-3 KNM, to displace lower part of 30" conductor to heavy mud.
20:30 - 00:00: POOH with 8 1/2" BHA from 294 m to 32 m. RB 5. 5" HWDP and 6 3/4" DC.

24-hour summary: Drilled 8 1/2" pilot hole from 1262 m to TD at 1353 m. Circulated 2 x btms up and flow checked well. Displaced well up to approx. 50 m into 30" conductor to 1. 40 SG WBM in two stages while POOH. Lo BHA. Prepared removal and disconnected diverter.
Hourly activities:
00:00 - 03:00: POOH and lo 8 1/2" BHA from 32 m to OOH. Removed ra source from MWD tool and dumped memory data.
03:00 - 06:00: Cleared and cleaned drill floor. Prepared removal of diverter. Installed sadle and cradle on HTS. Held tool-box talk with crew. Installed lifting bolts on diverter.
06:00 - 09:30: Removed broken stud from diverter locking dog. Installed new lifting bolt. Bled off pressure in tension system from 90 bar to 60 bar and observed easier movement of locking dog.
09:30 - 11:00: Held tool-box meeting prior to lifting diverter to rig floor. Lifted with weight of diverter MT) overpull MT) and diverter came free. RB same in set back area and secured.
11:00 - 14:30: Attached slings to chackles in bails in TDS to overshot joint. Removed tension bolts using bandak bolt tensioning tool. Lo overshot joint and removed slings.
14:30 - 17:30: Held tool-box meeting. RIH and MU up flange connection to tensioner joint using 19 studs on b-type flange. Meanwhile installed riser spider and function tested same.
17:30 - 23:30: Held tool-box meeting. Reduced pressure on tensioner cylinders in 20 bar steps from 150 MT to 55 MT of LPDR when ran was 42 MT). Picked up 60 MT block weight with TDS 130 MT). Bled off all pressure on tensioner cylinders, leaving all riser tension in TDS. Dismantled tensioner system.
23:30 - 00:00: Wow to disconnect and POOH with LPDR.

24-hour summary: Removed broken stud from diverter locking dog. Installed new lifting bolt. Lifted diverter to rig floor. Lifted and lo overshot joint. Installed tensioner joint handling tool and riser spider. RD cylinders, tensioner ring and centralizer. Wow to disconnect and POOH with LPDR.
Hourly activities:
00:00 - 06:00: Wow to disconnect and POOH with LPDR. Meanwhile prepared equipment for lo 6 3/4" DC. LD 1 STD 6 3/4" DC in singles.
06:00 - 10:30: Wow to disconnect and POOH with LPDR. Meanwhile lo 6 3/4" DC.
10:30 - 12:00: Re-installed riser trolly and cradle onto HTS. RD remainder of tensioner system prior to pulling LPDR. Held pre-job meeting prior to pulling LPDR.
12:00 - 14:00: Used rig tongs and turned LPDR 1/2 turn to the right to release RL-4 connection, release torque 50 KNM. Observed disconnect with ROV. PU clear of conductor and lifted LPDR up to rig floor slowly until first flange was above spider dogs. String WT 45 MT. Engaged spider dogs and inserted stop bolts. Landed LPDR.
14:00 - 00:00: Bo and LD 3 LPDR joints in singles joint, upper pup joint and splash zone joint), using 5 1/2" elevator attached to handling flange b.

24-hour summary: Wow to disconnect and POOH with LPDR. Meanwhile lo 6 3/4" DC. Disconnected LPDR and POOH with same. Lo in singles.
Hourly activities:
00:00 - 06:00: Bo and LD 3 LPDR standard joints in singles using 5 1/2" elevator attached to handling flange a.
06:00 - 12:30: Bo and LD 3 LPDR standard joints in singles using 5 1/2" elevator attached to handling flange a.
12:30 - 16:00: RD LPDR handling equipment and cleared rig floor. Removed spider and excess equipment from rig floor. Removed equipment from wellhead area. Greased and serviced PRS'S and TDS.
16:00 - 17:30: Held tool-box meeting prior to RIH with 3 1/2" DP. Rigged up for running 3 1/2" DP.
17:30 - 18:30: Trouble-shooted and repaired PRS software failure.
18:30 - 00:00: MU cement stinger to 3 1/2" DP and RIH. Stabbed into conductor housing assisted by ROV. When RIH with 338 m of 3 1/2" DP, crossed over to 5 1/2" and continued RIH with cement stinger.

24-hour summary: Continued POOH with LPDR. MU 3 1/2" cement stinger and RIH to TD. Displaced well to SW and flow check for 1 HR to confirm shallow gas class 0. Cemented and plugged back 8 1/2" pilot hole the first of 4 stages.
Hourly activities:
00:00 - 01:00: Installed side entry sub and single. Installed lo-torque valve on side entry sub.
01:00 - 02:00: PU stand and connected to TDS. Tagged bottom at 1353. 5 m 5 m fill). PU 1 m to 1352 m. Displaced hole to seawater, 1500 LPM/32-67 bar pumping 100 m3 SW. Lined up to kill mud.
02:00 - 03:00: Flow checked well and observed for bubles at wellhead with ROV. Rotated string with 5 RPM and reciprocated slowly. Meanwhile tested cement lines to 200 bar/5 min and held cement tool-box meeting with new crew. No gas observed.
03:00 - 06:00: Cemented plug from 1352 m to 1079 m RKB mixed and pumped, 800 LPM/30 bar, 12,0 m3 1. 90 SG cement slurry and displaced with 8. 5 m3 seawater using rig pumps, 1500 LPM/ 3 bar, 50 RPM/1-2 KNM. POOH to 1074 m and dropped sponge ball and circulated 1. 2 m3 hole volume with seawater, 2200 LPM/55 bar. PU to 1073 m.
06:00 - 09:00: Cemented plug from 1073 m to 800 m RKB mixed and pumped, 800 LPM/27 bar, 12,0 m3 1. 90 SG cement slurry and displaced with 5. 5 m3 seawater using rig pumps, 1500 LPM/ 3 bar, 50 RPM/1-2 KNM. POOH to 795 m and dropped sponge ball and circulated 1. 2 m3 hole volume with seawater, 2200 LPM/55 bar. PU to 794 m.
09:00 - 23:00: POOH with cement stinger to shoe at 251 m due to upcoming other activity on rig waited on siemens software downloading for process module due to by-passed ESD systems.
23:00 - 00:00: MU and RIH with 3 1/2" cement stinger. Had a few tight spots, observed with ROV.

24-hour summary: Cemented plug from 1073 m to 800 m RKB. POOH with cement stinger to shoe at 251 m. Waiting on siemens software downloading for process module. Cemented plug from 794 m to 521 m RKB. Cemented plug from 515 m to 249 m RKB.
Hourly activities:
00:00 - 01:30: Crossed over to 5 1/2" DP and continued MU and RIH with cement stinger. Installed side-entry sub with lo-torque valve.
01:30 - 02:00: Pumped btms up to clean well. Meanwhile held pre-job meeting with crew before cement job.
02:00 - 05:00: Cemented plug from 794 m to 521 m RKB mixed and pumped, 800 LPM/26 bar, 12,0 m3 1. 90 SG cement slurry and displaced with 2. 5 m3 seawater using rig pumps, 1500 LPM/ 1 bar, 50 RPM/1-2 KNM. POOH to 516 m, dropped sponge ball and circulated 1. 2 m3 hole volume with seawater, 2200 LPM/45 bar. PU to 515 m.
05:00 - 06:00: Cemented plug from 515 m to 249 m RKB mixed and pumped, 800 LPM/21 bar, 16,6 m3 1. 95 SG neat cement slurry and displaced with 0. 5 m3 seawater using cement unit, 1000 LPM/ 27 bar. POOH to 374 m.
06:00 - 09:00: Continued POOH w/ CMT stinger from 374m to 249 m. Dropped 2 sponge balls and circulated 1. 2 m3 hole volume with seawater, 2200 LPM/45 bar. POOH
09:00 - 09:30: Laid out CMT assembly.
09:30 - 11:15: Changed out wash pipe and tested same to 275 bars. Meanwhile ROV repaired damage on 30" housing.
11:15 - 11:45: Held tool box meeting prior to slip and cut drill line
11:45 - 14:15: Slip and cut drill line.
14:15 - 15:45: Moved CTS funnel from f-4 to f-12, and installed hose.
15:45 - 17:00: Held tool box meeting prior to pick up 26" BHA and r/u for making up 26" BHA.
17:00 - 17:30: Picked up 26" bit and motor assy. RIH same.
17:30 - 20:30: Terminated operation due to siemens uploading of software
20:30 - 21:30: Helicopter operation, no crane available. Meanwhile greased TDS and dolly.
21:30 - 00:00: Continued m/u 26" BHA. Had to use rig tongs to m/u 17 1/4" stabilizer. Performed tool box meeting prior to m/u 17 1/4" stabilizer.

24-hour summary: POOH w/ CMT stinger. Installed CTS funnel. M/u 26" BHA RIH same. Held tool box meeting one STD above CMT plug. RIH tagged CMT plug at 257m. Drilled from 257m to 280m.