bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
00:00 - 06:00: Contined drilling 12¼" hole section from 1979 m to 2145 m MD. Drilling parameters flow 3500 LPM SPP 180 bar string RPM 150 wob 2-11 MT torque 10-22 KNM ECD 1. 37-1. 395 SG EMW ROP 30-45 m/hour. At 2000m started to increase the mud weigth. Took survey after every connection. Simultaneously MU and RB 9 5/8" CSG. Stds. Total in derrick 36 stds.
06:00 - 17:00: Continued drilling 12¼" hole section from 2145 m to 2405 m MD. Drilling parameters flow 3500 LPM SPP 190 bar string RPM 150 wob 2-8 MT torque 14-21 KNM ECD 1. 462-1. 465 SG EMW ROP 5-46 m/hour. Took survey after every connection. Simultaneously MU and RB 9 5/8" CSG. Stds.
17:00 - 18:00: BHA torqued up and stalled out. Released torque and pulled with 50 MT overpull. Attempted to free pipe by rotation. No indication that hole had packed off. Had full circulation. Fired jars two times and came free. Established rotation at full circulation 3500 LPM, to circulate clean the BHA. Experienced sticky tendencies when going down to 2402m.
18:00 - 20:00: Racked back one stand and reamed one stand at 3500 LPM 140 RPM up and 40 RPM down.
20:00 - 00:00: Continued drilling 12¼" hole section from 2405 m to 2480 m MD. Drilling parameters flow 3500 LPM SPP 202 bar string RPM 150 wob 2-4 MT torque 18-22 KNM ECD 1. 459-1. 465 SG EMW ROP 15-31 m/hour. Took survey after every connection simultaneously MU and RB 9 5/8" CSG. Stds.

24-hour summary: Continued drilling 12¼" hole section. At 2405 m MD BHA torqued up and stalled out. Fired jars two times and came free. Continued drilling 12¼" hole section from to 2601 m.
Hourly activities:
00:00 - 06:00: Continued drilling 12¼" hole section from 2480 m to 2601 m MD. Drilling parameters flow 3500 LPM SPP 202 bar string RPM 150 wob 4-9 MT torque 15-28 KNM ECD 1. 456-1. 459 SG EMW ROP 20-30 m/hour. Took survey after every connection stringer at 2518m 2523. 5m MD and 2587m 2588 m MD. Simultaneously MU and RB 9 5/8" CSG. Stds. Total in derrick 50 stds.
06:00 - 08:15: Continued drilling 12¼" hole section from 2601 m to 2641 m MD. Drilling parameters flow 3500 LPM SPP 210 bar string RPM 150 wob 3-8 MT torque 20-28 KNM ECD 1. 457-1. 461 SG EMW ROP 19-32 m/hour simultaneously MU and RB 9 5/8" CSG. Stds. Geoservices unit shut down.
08:15 - 09:00: Picked up and circulated and reciprocated the string. Geo-services unit did shut down due to air tight door was not shut probably. Geo-services purged and re-booted the unit.
09:00 - 21:15: Continued drilling 12¼" hole section from 2641 m to 2860 m MD. Drilling parameters flow 3500 LPM SPP 210 bar string RPM 160 wob 2-4 MT torque 18-31 KNM ECD 1. 458-1. 463 SG EMW ROP 20-40 m/hour. Geo-services unit was down until 11 30. Observed gas level manually in unit. Took survey after every connecting lost power to both mud pumps. Picked off bottom. Simultaneously MU and RB 9 5/8" CSG. Stds.
21:15 - 21:45: Due to generator tripped in process module, power supply was cut out to both mud pumps. Generator back on line and both mud pumps up running.
21:45 - 23:30: Continued drilling 12¼" hole section from 2860 m to 2898 m MD. Drilling parameters flow 3500 LPM SPP 210 bar string RPM 160 wob 3-8 MT torque 23-35 KNM ECD 1. 462-1. 463 SG EMW ROP 6-35 m/hour.
23:30 - 00:00: Tagged hard formation at 2898m MD. Continued drilling 12¼" hole section from 2898 m to 2900 m MD. Drilling parameters flow 3500 LPM SPP 210 bar string RPM 80 wob 10 MT torque 23-35 KNM ECD 1. 462-1. 463 SG EMW ROP 1-4 m/hour.

24-hour summary: Continued drilling 12¼" hole section from 2641m to 2918 m.
Hourly activities:
00:00 - 06:00: Continued drilling 12¼" hole section from 2900 m to 2918 m MD. Drilling parameters flow 3500 LPM SPP 210 bar string RPM 160 wob 8-10 MT torque 12-35 KNM ECD 1. 445-1. 450 SG EMW ROP 5-5 m/hour.
06:00 - 10:15: Continued drilling 12¼" hole section from 2918 m to 2927 m MD. Drilling parameters flow 3500 LPM SPP 217 bars string RPM 160 wob 3-8 MT torque 14-35 KNM ECD 1. 445-1. 451 SG EMW ROP 1-4 m/hour.
10:15 - 12:30: Circulated well clean while reciprocating the string. 3500 LPM 220 bars.
12:30 - 12:45: Pulled one stand wet.
12:45 - 13:00: Dropped the gyro at 1300 hours. Made up to TDS and rotated the string at 10 RPM.
13:00 - 13:30: Flow checked well, well static. Meanwhile held tool box talk prior to POOH with 12¼" drilling BHA. Installed wiper rubber, checked dies in PS 21 slips.
13:30 - 14:30: POOH with 12¼" drilling BHA wet from 2927m to 2722 m. Oberved no drag.
14:30 - 14:45: Flow checked well, well static.
14:45 - 18:00: Made up TDS and pumped 5m 1. 65 SG slug. Continued POOH with 12¼" drilling BHA from 2722m to 1391m inside the shoe. Oberved no drag.
18:00 - 18:15: Flow checked well, well static.
18:15 - 19:00: Continued POOH with 12¼" drilling BHA from 1391m to 526 m.
19:00 - 19:15: Performed kick drill. Informed drill crew about the use of escape mask.
19:15 - 20:15: Continued POOH with 12¼" drilling BHA from 526m to 135m.
20:15 - 00:00: Laid out 12¼" drilling BHA.

24-hour summary: Continued drilling 12¼" hole section from 2818m to 2927 m. Circulated well clean. Dropped the gyro. POOH with 12¼" drilling BHA, laid out same. Abandoned the drill floor due to exhaust fumes from the gas turbines.
Hourly activities:
00:00 - 00:30: Continued laying out 12¼" drilling BHA, bit and powerdrive.
00:30 - 00:45: Cleared and cleaned drill floor.
00:45 - 01:30: Held tool box talk and picked up and made up jet sub and wear bushing RT. Stopped operations due to exhaust fumes on drill floor. Waiting time recorded on f-99.
16:45 - 19:00: Held tool box talk and continued making up wear bushing RT. RIH and retrieved the wear bushing at 139 m. Washed the WH. POOH with wear bushing.
19:00 - 19:15: Held tool box talk prior to service TDS, derrick inspection and change dies in aft PRS.
19:15 - 19:30: Laid out the wear bushing and the RT.
19:30 - 20:15: Performed derrick inspection.
20:15 - 20:45: Serviced the TDS and inspected for loose items.
20:45 - 21:45: Changed dies in aft PRS and inspected rollers in aft and FWD PRS'S.
21:45 - 22:15: Cleared and cleaned rig floor.
22:15 - 22:30: Removed 5½" elevators and bails from the rig floor.
22:30 - 23:45: Made up FAC tool to TDS. Installed casing bails.
23:45 - 00:00: Rigged up casing elevator.

24-hour summary: Resumed work after waiting for exhaust fumes to clear rig floor. Retrieved wear bushing. R/u for RIH with 9 5/8" x 10 3/4" casing. Serviced TDS. Derrick inspection. Changed dies in aft FWD PRS'S. RIH with shoe track.
Hourly activities:
00:00 - 00:15: Function tested casing elevator.
00:15 - 03:00: Rigged up casing tong. Retrieved master bushing and installed automatic casing slips.
03:00 - 03:15: Held tool box talk prior to RIH with 9 5/8" casing and change out dies in FWD PRS.
03:15 - 04:15: Changed dies in FWD PRS.
04:15 - 06:00: Picked up the shoe and checked the integrity. Picked up intermediate jnt. float jnt. And baker locked the shoe track.
06:00 - 12:15: RIH with 9 5/8" casing from 38m to 1010m. Filled every stand with FAC tool. Broke circulation 550 LPM 23 bars.
12:15 - 14:15: Continued RIH with 9 5/8" casing from 1010m to shoe at 1397m. Filled every stand with FAC tool. Broke circulation 550 LPM 25 bars.
14:15 - 17:00: Continued RIH with 9 5/8" casing from 1397m to 1994m. Filled every stand with FAC tool. Broke circulation 550 LPM 27 bars.
17:00 - 18:30: Continued RIH with 9 5/8" casing from 1994m to 2305m. Filled every stand with FAC tool. Took weight.
18:30 - 18:45: Worked string up/down free.
18:45 - 20:30: Held tool box talk and changed out inserts of odfjel elevator from 9 5/8" to 10 3/4".
20:30 - 20:45: Picked up and made up x-o 9 5/8" x 10 3/4".
20:45 - 21:45: Held tool box talk and changed out inserts in of FMS slip and in the casing tong from 9 5/8" to 10 3/4".
21:45 - 00:00: Continued RIH with 10 3/4" casing from 2323m to 2608m. Filled every stand with FAC tool.

24-hour summary: RIH with 9 5/8" x 10 3/4" casing to 2778m Change to 5 1/2" handling. MU hanger joint. R/d casing handling equipment. RIH with 10 3/4" x 9 5/8" CSG on 5 1/2" HWDP landing string from 2785m to 2861 m MD.
Hourly activities:
00:00 - 01:15: Continued RIH with 10 3/4" casing from 2608m to 2778m. Filled every stand with FAC tool.
01:15 - 02:15: Rigged down odfjel elevator, FAC tool and long bails. Counted casing on cantilever and back-up sub's.
02:15 - 03:45: Picked up and rigged up drilling bails and 5½" elevators.
03:45 - 04:00: Picked up and made up 10 3/4" casing hanger padprt assy.
04:00 - 04:45: Rigged down odfjel slip and extension ring. Installed master bushing.
04:45 - 05:30: Rigged down odfjel casing tong.
05:30 - 06:00: RIH with 10 3/4" x 9 5/8" CSG on 5 1/2" HWDP landing string from 2785m to 2861m MD. Filled every stand.
06:00 - 07:00: RIH with 10 3/4" x 9 5/8" CSG on 5½" HWDP landing string. P/u m/u cement head to top drive.
07:00 - 08:30: Broke circ picked up in stage to 2000 LPM, 77 bars, took losses, reduced to 1000 LPM loss free rate. Total lost 11m
08:30 - 08:45: Landed off CSG as per vetco procedure.
08:45 - 11:15: Picked up pumps to 1000 LPM circ one casing volume 5800 stks pumped. Simultaneously held tool box talk prior CMT job.
11:15 - 12:00: Pumped 8 m base oil from pit 14, 1000 LPM. Pump 20 m spacer 1. 50 SG from pit 12, 1000 LPM.
12:00 - 12:15: Displaced spacer in surface lines with 3m OBM closed IBOP. Opened lo-torq valve on CMT head and dropped 1 3/4" ball.
12:15 - 13:00: Mixed and pumped 17. 3 m 1. 90 SG cement according to halliburton procedure. Bottom plug sheared at 80 bars.
13:00 - 13:15: Displaced CMT to rig floor with 500 liters water, released dart and continued pumping 2500 liter water behind cement, dart sheared top wiper plug 205 bars.
13:15 - 15:15: Displaced CMT with rig pumps 1000 LPM, at 2700 stk lost suction to MP changed from pit to pit 9 losses approx. 3 m Increased rate to 1500 LPM at 3200 stks. At 4082 stks BTM plug sheared 135 bars. FCP 43 bars 1000 LPM, bumped plug at 4909 stks final pressure 113 bars. 96 pump efficiency.
15:15 - 15:45: Pressure tested casing to 345 bars 15 min.
15:45 - 16:30: Checked for back flow, float holding. Disconnected CMT hoses and flushed lines.
16:30 - 17:45: Rotated 4 turns to right to engage ms1 seal. Engaged and set ms1 seal as per vetco procedure, 35 bars/207 bars 10 min.
17:45 - 18:15: Leak tested ms1 seal 35/345bars 5/10 min.
18:15 - 18:30: Released padprt, 4 turns to right
18:30 - 19:30: L/o CMT head
19:30 - 21:15: Dropped halliburton sponge balls 2 ea and flush string using mud 1770 LPM. POOH padprt.
21:15 - 21:45: Out of hole with padprt inspected same. Laid out same.
21:45 - 23:30: MU wear bushing RT, RIH and installed wear bushing according to vetco procedures.
23:30 - 00:00: Commenced BOP test.

24-hour summary: Ran 9 5/8" x 10 3/4" casing to 2921m and cemented casing. Pressure tested casing to 345 bar 15 min. Commenced BOP test.
Hourly activities:
00:00 - 06:00: Continued performing BOP test. Simultaneously cleaned out filters on mud pumps and cleaned out mill tank.
06:00 - 08:45: Continued test BOP 25/345bar 5/10 min, as per MCN test procedure.
08:45 - 09:00: Cleared cleaned around RT.
09:00 - 11:00: Released wear bushing RT. POOH wear bushing RT from 138m to 5m, strapped pipe. Measured datum 138,87m.
11:00 - 12:00: Held tool box talk and laid out wear bushing.
12:00 - 12:30: Cleared cleaned around RT.
12:30 - 12:45: Held tool box talk prior to m/u 8½" BHA.
12:45 - 16:15: M/u 8½" BHA from surface to 61m.
16:15 - 16:45: Held tool box talk and installed radioactive source.
16:45 - 17:15: Continued m/u 8½" BHA from 61m to 70m.
17:15 - 17:30: Changed to 5" handling equipment checked PRS dies.
17:30 - 18:45: Continued m/u 8½" BHA from 70m to 90m.
18:45 - 19:30: Dressed auto slips to 5".
19:30 - 00:00: RIH with 8½" BHA on 5" DP from 116m to 1216m. Tested MWD tools at 484m. Filled the pipe every 500m.

24-hour summary: Completed BOP test. M/u and RIH with 8½" BHA from surface to 2551m. Commenced changing out the wash pipe on the TDS.
Hourly activities:
00:00 - 00:15: Continued RIH with 8½" BHA on 5" DP from 1216m to 1339m.
00:15 - 00:45: Made up 5" x 5½" XO. Changed to 5½" DP handling equipment.
00:45 - 01:30: Continued RIH with 8½" BHA on 5½" DP from 1339m to 1502m. Observed problem with TDS control software. Parallel activity started injecting slops into f-14 annulus.
01:30 - 03:00: Electrician investigated, and rectified the error on TDS.
03:00 - 05:30: Continued RIH with 8½" BHA on 5½" DP from 1502m to 2551. Filled the pipe every 500m.
05:30 - 06:00: Commenced changing out the wash pipe on the TDS.
06:00 - 07:45: Continued changing out the wash pipe on the TDS. Held 15 min handover crew change.
07:45 - 08:30: Made up to TDS. Filled pipe established circulation prior to perform choke drill. Simultaneously serviced TDS.
08:30 - 09:00: Performed choke drill.
09:00 - 09:45: Held tool box talk and RIH 8½" BHA from 2551m to 2874m.
09:45 - 10:30: Established circulation 1600 LPM washed down from 2874m to 2892m.
10:30 - 11:30: Tagged TOC at 2892m, drilled out float from 2893m to 2894m. Drilling parameters flow 1600 LPM SPP 128 bar string RPM 40 TQ 16-19 KNM. Simultaneously displaced well to 1,30 SG OBM.
11:30 - 15:00: Drilled out shoe track from 2894m to 2921m. Drilling parameters flow 1600 LPM SPP 140 bar string RPM 40 TQ 14-17 KNM. Mud weight 1. 30 SG. Reamed the shoe and pulled back through shoe with no rotation.
15:00 - 16:30: Cleaned out rat hole in 1-2 m intervals from 2921m to 2927m. Experienced pack off and TDS stalled, 2nd time as reaming into shoe with bit at shoe. Also saw pack off with bit on bottom, stopped pumping slump pipe opposite direction of movement, no losses seen after pack off.
16:30 - 17:45: Drilled new formation from 2927m to 2930m. Cleaned out rate hole and verified no restrictions. Drilling parameters flow 1600 LPM SPP 130 bar string RPM 160 wob 1-3 MT TQ 17-20 KNM. Mud weight 1. 30 SG.
17:45 - 18:00: Observed 120 litres gain in trip tank.
18:00 - 18:30: Racked back one stand. Observed the well on trip tank, well static.
18:30 - 19:15: Rigged up pump in sub and surface lines for fit test.
19:15 - 20:00: Took fit equivalent to 1. 65 SG, using 1. 30 SG OBM. Pumped 80 LPM and applied 92 bars to the string and annulus. Shut down the pump. Downhole reading from schlumberger equivalent to 1,658 SG.
20:00 - 21:15: Rigged down pump in sub and surface lines. Lined up for drilling.
21:15 - 21:30: Took survey at 2913m and set tool
21:30 - 23:45: Continued to drill 8½" hole from 2930m to 2945m. Drilling parameters flow 2100 LPM SPP 214 bars string RPM 100 bit 260 wob 8-13 MT TQ 15-20 KNM ROP 8 m/hour ESD 1. 393 SG mud weight 1. 30 SG. Observed active pit did not drop as drilling ahead.
23:45 - 00:00: Picked up and took flow check on the trip tank, well static.

24-hour summary: Changed out the wash pipe on the TDS. RIH with 8½" drilling BHA on 5½" DP. Tagged TOC at 2892m. Drilled out shoe track from 2892m to 2927m 3m new formation. Took fit equivalent 1. 65 SG, using 1. 30 SG OBM. Continued drill 8½" hole from 2930m to 3000m.
Hourly activities:
00:00 - 03:30: Continued to drill 8½" hole from 2945m to 2994m. Drilling parameters flow 2100 LPM SPP 214-240 bars string RPM 100-120 bit 260-280 wob 8-13 MT TQ 15-20 KNM ROP 8-20 m/hour ESD 1. 379-1. 393 SG mud weight 1. 30 SG. Problems operating the aft PRS. Took survey after every connection.
03:30 - 04:15: Electrician investigated the error. Found that the pipe size setting of the aft PRS was incorrect. As investigating the error of the aft PRS. Reciprocated the string one jnt circulating 2100 LPM 206 bars. Meanwhile switch to the FWD PRS and picked up 5½" DP.
04:15 - 06:00: Continued to drill 8½" hole from 2994m to 3000m. Drilling parameters flow 2100 LPM SPP 214-240 bars string RPM 100-120 bit 260-280 wob 8-13 MT TQ 19-21 KNM ROP 4 m/hour ESD 1. 393-1. 401 SG increased mud weight from 1. 30 SG to 1. 35 SG. Took survey after connection. Had to down link twices det proper power setting from 50 to 35. Down linked xceed to get tool face setting from 288 to 268.
06:00 - 12:00: Continued to drill 8½" hole from 3000m to 3155m. Drilling parameters flow 2100 LPM SPP 240 bars string RPM 130 bit 290 wob 8-13 MT TQ 16-30 KNM ROP 40-50m/hour ECD 1. 419-1. 569 SG mud weight 1. 35-1. 45 SG. Took survey after every connection. Reamed one single prior to connection.
12:00 - 19:00: Continued to drill 8½" hole from 3155m to 3233m. Drilling parameters flow 2100 LPM SPP 240-250 bars string RPM 100-130 bit 260-290 wob 6-11 MT TQ 16-30 KNM ROP 2-50m/hour ECD 1. 536-1. 570 SG mud weight 1. 45 SG. Reamed one single prior to connection when high ROP. Took survey after every connection. Problems with CRI transfer pump on the active tank. Parallel operation made up 7" liner in stands and racked back in derrick.
19:00 - 20:00: Found the housing of the CRI transfer pump washed out. Installed new housing. Meanwhile lined up to be able to operate the CRI system manually.
20:00 - 00:00: Continued to drill 8½" hole from 3233m to 3260m. Drilling parameters flow 2100 LPM SPP 240-250 bars string RPM 130-150 bit 290-310 wob 6-16 MT TQ 21-25 KNM ROP 5-15m/hour ECD 1. 569-1. 571 SG mud weight 1. 45 SG. Took survey after connection. Down linked tool. Cleaned in lower shaker. Parallel operation made up 7" liner in stands and racked back in derrick

24-hour summary: Continued drill 8½" hole from 3000m to 3292m. Poor response from xceed. Unable to keep well path. Circulated well clean.
Hourly activities:
00:00 - 02:45: Continued to drill 8½" hole from 3260m to 3293m. Drilling parameters flow 2100 LPM SPP 240-260 bars string RPM 130-150 bit 290-310 wob 4-6 MT TQ 22-27 KNM ROP 7-25m/hour ECD 1. 569-1. 582 SG mud weight 1. 45 SG. Took survey after connection. Down linked tool. Poor response from xceed. Parallel operation made up 7" liner in stands and racked back in derrick.
02:45 - 03:30: Poor response from xceed. Unable to keep well path. Discussed situation with geologist in town and concluded to POOH and change BHA.
03:30 - 06:00: Pulled back one stand and circulated well clean and 2100 LPM 230 bars. Reciprocated the string. Parallel operation made up 7" liner in stands and racked back in derrick. Total in derrick 9 stds.
06:00 - 06:15: Flow checked well, well static.
06:15 - 07:00: Commenced to POOH with 8½" BHA wet.
07:00 - 07:45: M/u TDS and down linked the LWD tools.
07:45 - 08:15: Lined up to trip tank flow checked well on trip tank, well static.
08:15 - 08:45: Pumped 10 m3 slug 1. 65 SG.
08:45 - 09:45: Continued POOH with 8½" BHA from 3157m to 2914m, no restrictions seen when pulling into shoe.
09:45 - 10:15: Flow checked well on trip tank, well static. Meanwhile service TDS.
10:15 - 12:30: Continued POOH with 8½" BHA from 2914m to 1340m on 5½" DP. Trip time 700 m/hour.
12:30 - 12:45: Changed to 5" handling gear.
12:45 - 14:45: Continued POOH with 8½" BHA from 1340m to 140m on 5" DP. Trip time 600 m/hour.
14:45 - 15:00: Flow checked well, well static. Meanwhile held tool box talk prior to l/o BHA.
15:00 - 15:15: Cleaned around rotary table.
15:15 - 15:45: Changed to master bushing checked PRS dies.
15:45 - 16:15: POOH with 8 1/2" BHA from 140m to 61m.
16:15 - 16:45: Removed radioactive source from BHA.
16:45 - 18:45: Continued l/o BHA from 61m to surface.
18:45 - 19:00: Inspected bit xceed tool, decided to run back-up bit.
19:00 - 19:30: Held tool box talk and checked equipment.
19:30 - 20:00: Laid out xceed and BHA components.
20:00 - 22:30: Picked up and made up new 8½" BHA. RIH from surface to 42m.
22:30 - 22:45: Held tool box talk and erected barriers prior to handling radio active source.
22:45 - 23:00: Pulled BHA back to ecoscope and inserted radioactive source. Ran back in to 42m.
23:00 - 23:15: Changed out handling gear from 5½" to 5".
23:15 - 00:00: Continued RIH with 8½"bha from derrick 5" HWDP from 42m to 99m. Checked totco ring.

24-hour summary: POOH with 8½" BHA and changed with back-up. RIH with new 8½" BHA, from surface to 1844m.
Hourly activities:
00:00 - 00:15: Installed autoslips.
00:15 - 00:45: Continued RIH with 8½ BHA on 5" DP from 99m to 303m. Filled string every 300m. Trip time 407 m/hour.
00:45 - 02:00: Filled string, empty trip tank. Made up x-over to string and test MWD tools, 1600 LPM. Good. Removed x-over.
02:00 - 04:30: Continued RIH with 8½ BHA on 5" DP from 303 to 1320m. Filled string every 300m. Monitored displacement on trip tank. Trip time 407 m/hour.
04:30 - 05:00: Installed 5" x 5½" XO. Changed handling equipment to 5½".
05:00 - 06:00: Continued RIH with 8½ BHA on 5½" DP from 1320 to 1844m. Filled string every 300m. Monitored displacement on trip tank. Trip time 524 m/hour.
06:00 - 08:30: RIH with 8½ BHA on 5½" DP from 1844 to 2651m. Filled string every 300m. Monitored displacement on trip tank. Trip time 323 m/hour
08:30 - 09:15: Serviced FWD PRS, due to unexplained noise.
09:15 - 10:00: RIH with 8½ BHA on 5½" DP from 2651 to 2920m. Filled string every 300m. Monitored displacement on trip tank. Trip time 359 m/hour
10:00 - 10:30: Broke circulation at shoe and washed down from 2920m to 3259m.
10:30 - 11:45: Continued RIH with 8½ BHA on 5½" DP from 2920 to 3259m. Filled string every 300m. Monitored displacement on trip tank.
11:45 - 13:00: Took connection and made up to TDS. Reamed from 3259m to 3294m and took survey with bit at 3293m.
13:00 - 13:30: Tight hole after survey. Pulled with 40 MT overpull. Attempted to slump down pipe with rotation. Jared up with 240 MT and freed pipe. Established and rotation reamed slowly up.
13:30 - 14:00: Reamed full stand from 3259m to 3294m.
14:00 - 14:15: Took survey 3283m, good survey.
14:15 - 18:00: Continued to drill 8½" hole from 3292m to 3367m. Reamed draupne transition zone from 3338m to 3300m. Drilling parameters flow 2100 LPM SPP 210 bars string RPM 130-180 wob 6-11 MT TQ 24-38 KNM ROP 17-40 m/hour ECD 1. 586-1. 601 SG mud weight 1. 45 SG. Took survey after every connection. Down linked tool. Parallel operation made up 7" liner in stands and racked back in derrick.
18:00 - 18:15: Unexplained gain approx 300ltr. Spaced out observed well on trip tank.
18:15 - 18:30: Took scrs as per below table 3366m.
18:30 - 00:00: Continued to drill 8½" hole from 3367m to 3500m. Reamed draupne transition zone from 3419m to 3388m. Drilling parameters flow 2100 LPM SPP 205-209 bars string RPM 180 wob 3-8 MT TQ 20-26 KNM ROP 30-50 m/hour ECD 1. 602-1. 619 SG mud weight 1. 45 SG. Took survey after every connection. Down linked tool. Parallel operation made up 7" liner in stands and racked back in derrick.

24-hour summary: RIH with new 8½" BHA to 3292m. Continued drilling 8½" hole from 3292 to 3600m. Took pressure point at 3530m.