bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
00:00 - 00:15: Washed 13 3/8" hanger, seal pocket and wellhead w/ 1700 l/min, 35 bar, 5-15 RPM.
00:15 - 01:00: POOH with clean and flush tool. L/o same.
01:00 - 02:00: P/u and m/u padprt. Installed SG-TPR seal assembly on running tool. RIH and landed tool on hanger as per ge vetco instructions. Set seal assembly.
02:00 - 02:30: Lined up and performed line test 20/345 bar for 5/10 min.
02:30 - 05:00: Closed BOP and set seal assembly as per ge vetco instructions. Held 207 bar for 10 min. Pressure tested seal assembly to 20/345 bar for 5/10 min. Evaluated test results and re-tested seal assembly to 345 bar.
05:00 - 05:30: Bled down pressure, opened BOP. POOH with padprt to surface, inspected tool and l/o same.
05:30 - 07:00: P/u and m/u bull nose assembly. P/u and m/u wearbushing and wearbushing running/retrieval tool
07:00 - 07:30: RIH and installed wearbushing.
07:30 - 08:30: Displaced BOP to seawater. Prepared to p/u isolation test tool.
08:30 - 09:30: Isolated equipment and inspected FWD PRS after contact w/ derrick structure.
09:30 - 10:30: Performed statoil TOFS with drill crew and third party personnel.
10:30 - 11:15: Electrician changed out drillers control joystick and re-calibrated same.
11:15 - 11:30: Released WBRT, l/o pup joint.
11:30 - 12:30: POOH with WBRT. Re- set retrieving tool and layed out same.
12:30 - 12:45: P/u and m/u BOP isolation test tool Function tested same.
12:45 - 14:00: RIH w/ test tool, ran slowly past BOP as experienced hang-up. Landed BOP test tool in wellhead.
14:00 - 14:15: Flushed surface lines and confirmed line-up.
14:15 - 16:30: Tested BOP to 20 bar/ 5 min and 345 bar/ 10 min.
16:30 - 17:00: Observed leak into string at test while at 310 bar. Rigged down pump in sub and CMT hose. Opened BOP. Picked up ITT and relanded same in wellhead. Closed BOP and attempted to test, observed leak at 15 bar.
17:00 - 18:00: POOH with ITT from 139 m to surface. Cleaned and inspected same. Hole in main seal.
18:00 - 19:15: Re-dressed test tool.
19:15 - 20:15: RIH with isolation test tool from surface to 139 m. Landed and set tool as per ge vetco instructions.
20:15 - 22:45: Lined up and continued testing BOP from test Test pressure 20/345 bar for 5/10 min. Opened BOP, rigged down pump-in sub and hoses.
22:45 - 23:00: Held TBT prior to pulling test tool.
23:00 - 00:00: Released isolation test tool as per ge vetco instructions. POOH ITT from 139 m to surface.

24-hour summary: Ran and installed 13 3/8" SG-TPR seal assembly. Pressure tested seal ssembly to 20/345 bar. Ran and set wearbushing. Performed statoil TOFS with drill crew and third party personnel. Ran isolation test tool and commenced BOP pressure test. POOH w/ test tool due ot leakage, changed out damaged rubber on tool. Re-run tool. Continued with BOP pressure test.
Hourly activities:
00:00 - 00:30: Inspected damaged seal on test tool. L/o same.
00:30 - 01:15: Cleared rigfloor of excessive equipment. Prepared for p/u 12 1/4" BHA.
01:15 - 03:00: Flushed lines and tested BSR against casing. 20/285 bar for 5/10 min. Pumped 3840 ltr, bled back same volume. Meanwhile lifted BHA module and on HTS and worked on FWD PRS.
03:00 - 03:15: Displaced BOP back to OBM and filled lines.
03:15 - 03:30: Performed TBT prior to picking up BHA.
03:30 - 03:45: Function tested FWD PRS.
03:45 - 05:30: P/u and m/u 12 1/4" BHA.
05:30 - 06:30: Plugged into tools and verified same.
06:30 - 09:30: P/u and m/u 12 1/4" BHA including jar, DC and HWDP as per DD instructions. Installed totco ring on top of DC at 70,19 m.
09:30 - 11:45: RIH w/ 12 1/4" BHA on 5 1/2" DP from 193 m to 1848 m. Avg. Tripping speed 736 m/hr. Filled string at 1440 m.
11:45 - 13:00: Slew fault alarm on aft PRS. Attempted to clear fault w/o success.
13:00 - 14:30: RIH on 5 1/2" DP from 1848 m to 2570 m, using FWD PRS. Avg. Tripping speed 481 m/hr.
14:30 - 15:15: Closed BOP and performed choke drill w/driller, ad and lead driller.
15:15 - 16:00: Established parameters and washed from 2570 m to 2577 m w/ 2800 l/min, 185 bar, 30 RPM, 10 17 KNM.
16:00 - 20:15: Tagged TOC at 2577 m. Drilled shoetrack/cement from 2577 m to 2612 m. Average ROP 8,2 m/hr, wob 1 12 t. 3000 l/min/ 190 165 bar. 40 RPM 12 17 KNM. ECD 1,35 1,31 SG. Reduced MW from 1,40 SG to 1,28 SG while drilling shoe track.
20:15 - 22:15: Drilled out shoe. Observed frequent increase on wob and pump pressure, worked string.
22:15 - 23:00: Drilled and cleaned rat hole from 2612 m to 2618 m. Wob 2 5 t. 3300 l/min/ 205 185 bar. 80 RPM 10 18 KNM. ECD 1,30 SG. Wiped every 2 m. Drilled 5 m new formation from 2618 to 2623 m.
23:00 - 23:15: Pulled back into shoe with no flow and rotation. Hole in good condition.
23:15 - 00:00: R/b one stand and circulated well prior to fit w/ 3500 l/min/ 209 bar, 20 RPM, 1,30 SG ECD.

24-hour summary: Tested BSR against casing to 285 bar. P/u and m/u 12 1/4" BHA and RIH to 1848 m. Trouble shot aft PRS failure. Continued RIH with BHA to 2577 m using FWD PRS. Performed choke drill. Tagged TOC at 2577 m, drilled shoetrack, cement and shoe. Reduced MW from 1,40 SG to 1,28 SG while drilling shoetrack. Cleaned out rathole, drilled 5 m new formation. Circulated well prior to fit.
Hourly activities:
00:00 - 01:00: Spaced out and closed BOP. Confirmed line-up. Performed fit to 1,55 SG EMW using 1,28 SG mud. Pumped 887 ltr from 5 bar to 65 bar at cement unit w/ 90 l/min. Bled back 835 ltr. Opened BOP.
01:00 - 01:15: Took SCR.
01:15 - 03:45: Drilled 12 1/4" hole from 2623 m to 2655 m, average ROP 12,8 m/hr. Wob 8 10 t. 3000 l/min/ 160 170 bar. 60 RPM 16 22 KNM. ECD 1,31 SG. Drilled with reduced string rotation until top stab out of 13 3/8" casing. Bled in LCM mix as per procedure while drilling ty fm. Built 10 3/4" casing stands offline and racked same in derrick stands racked in total).
03:45 - 04:00: Tared copilot.
04:00 - 07:00: Drilled 12 1/4" hole from 2655 m to 2686 m, average ROP 17,6 m/hr. Wob 7 12 t. 3500 l/min/ 218 bar. 120 RPM 18 24 KNM. ECD 1,31 SG. Bled in LCM mix as per procedure while drilling ty fm. Built 10 3/4" casing stands offline and racked same in derrick stands racked in total).
07:00 - 10:00: Drilled 12 1/4" hole from 2686 m to 2790 m, average ROP 34,6 m/hr. Wob 2 10 t. 3500 l/min/ 215 220 bar. 120 RPM 18 22 KNM. ECD 1,31 SG. Bled in LCM mix as per procedure while drilling ty fm. Built 10 3/4" casing stands offline and racked same in derrick stands racked in total).
10:00 - 14:30: Drilled 12 1/4" hole from 2790 m to 2856 m, average ROP 14,6 m/hr. Wob 8 15 t. 3500 l/min/ 218 225 bar. 120 RPM 25 30 KNM. ECD 1,30 SG. Added 4 sacks/stand to maintain background LCM particle concentration 100/400, baracarb 50/150). Built 10 3/4"and 9 5/8" casing stands offline and racked same in derrick stands racked in total).
14:30 - 17:45: Drilled 12 1/4" hole from 2856 m to 2897 m, average ROP 12,6 m/hr. Wob 12 15 t. 3500 l/min/ 218 225 bar. 120 RPM 25 30 KNM. ECD 1,30 SG. Added 4 sacks/stand to maintain background LCM particle concentration 100/400, baracarb 50/150). Built 9 5/8" casing stands offline and racked same in derrick stands racked in total).
17:45 - 18:00: Took SCR.
18:00 - 00:00: Drilled 12 1/4" hole from 2897 m to 2961 m, average ROP 10,6 m/hr. Wob 11 14 t. 3500 l/min/ 215 225 bar. 120 RPM 20 30 KNM. ECD 1,30 SG. Added 4 sacks/stand to maintain background LCM particle concentration 100/400, baracarb 50/150). Built 9 5/8" casing stands offline and racked same in derrick stands racked in total).

24-hour summary: Performed fit to 1,55 SG EMW. Drilled 12 1/4" hole from 2623 m to 2961 m through ty fm into shetland gp. Bled in LCM mix while drilling ty fm. And maintained background concentration throughout section. Built 10 3/4" and 9 5/8" casing stands offline. Racked back 30 stands in derrick.
Hourly activities:
00:00 - 04:00: Drilled 12 1/4" hole from 2961 m to 2998 m, average ROP 9,25 m/hr. Wob 11 14 t. 3500 l/min/ 215 225 bar. 120 RPM 20 30 KNM. ECD 1,30 SG. Added 4 sacks/stand to maintain background LCM particle concentration 100/400, baracarb 50/150). Built 9 5/8" casing stands offline and racked same in derrick stands racked in total).
04:00 - 06:00: Drilled 12 1/4" hole from 2998 m to 3017 m, average ROP 9,5 m/hr. Wob 11 14 t. 3500 l/min/ 215 225 bar. 120 RPM 20 30 KNM. ECD 1,30 SG. Added 4 sacks/stand to maintain background LCM particle concentration 100/400, baracarb 50/150). Built 9 5/8" casing stands offline and racked same in derrick stands racked in total).
06:00 - 06:15: Took scrs.
06:15 - 07:00: Drilled 12 1/4" hole from 3017 m to 3027 m, average ROP 13,3 m/hr. Wob 11 14 t. 3500 l/min/ 215 225 bar. 120 RPM 20 30 KNM. ECD 1,30 SG. Added 4 sacks/stand to maintain background LCM particle concentration 100/400, baracarb 50/150). Built 9 5/8" casing stands offline and racked same in derrick stands racked in total).
07:00 - 17:15: Drilled 12 1/4" hole from 3027 m to 3178 m, average ROP 14,7 m/hr. Wob 11 15 t. 3500 l/min/ 220 225 bar. 120 RPM 20 35 KNM. ECD 1,30 SG. Added 4 sacks/stand to maintain background LCM particle concentration 100/400, baracarb 50/150). Built 9 5/8" casing stands offline and racked same in derrick stands racked in total).
17:15 - 17:30: Took scrs.
17:30 - 00:00: Drilled 12 1/4" hole from 3178 m to 3260 m, average ROP 12,6 m/hr. Wob 12 15 t. 3500 l/min/ 220 225 bar. 120 RPM 20 30 KNM. ECD 1,30 SG. Added 4 sacks/stand to maintain background LCM particle concentration 100/400, baracarb 50/150). Built 9 5/8" casing stands offline and racked same in derrick stands racked in total). Repaired leakage in FWD hydraulic system manifold.

24-hour summary: Drilled 12 1/4" hole from 2961 m to 3260 m. Built 9 5/8" casing stands offline and racked same in derrick stands racked in total).
Hourly activities:
00:00 - 03:30: Drilled 12 1/4" hole from 3260 m to section TD at 3299 m, average ROP 11,3 m/hr. Wob 12- 15 t. 3500 l/min/ 225 230 bar. 120 RPM 25 36 KNM. ECD 1,30 SG. Built 9 5/8" casing stands offline and racked same in derrick stands racked in total). P/u two intermediates w/ 2 centralizers and shoe joint. Built stand and racked same.
03:30 - 06:45: Circulated hole clean w/ 3850 l/min/ 250 bar, 120 RPM 20 25 KNM, ECD 1,30 SG. Reciprocated string. Circulated in total 3 x b/u. P/u two joints w/ 2 centralizers and float collar joint. Built stand and racked same.
06:45 - 07:15: Flowchecked well on t/t. Observed 440 l/h losses.
07:15 - 07:30: Circulated w/ 3000 l/min/ 150 bar, 20 RPM 17 KNM, 1,29 SG.
07:30 - 08:30: Initialized and dropped gyro as per scientific drilling instructions. Pumped tool down with 200 l/min, 9 bar.
08:30 - 09:15: POOH with 12 1/4" BHA on 5 1/2" DP from 3299 m to 3100 m. Pulled wet and with restricted speed as per scientific drilling instructions.
09:15 - 09:30: Pumped 3 m3 slug and chased same.
09:30 - 10:45: POOH on 5 1/2" DP from 3100 m to 2575 m. Avg. Tripping speed 420 m/hr. Pulled with restriced speed due to drop gyro.
10:45 - 11:00: Flowchecked well inside shoe for 15 min, well static.
11:00 - 12:30: POOH on 5 1/2" DP from 2575 m to 1808 m. Avg. Tripping speed 512 m/hr. Restricted speed and stoped for surveys as per scientific instructions.
12:30 - 13:15: RIH on 5 1/2" DP from 1808 m to 2575 m. Took check surveys as per scientific instructions.
13:15 - 14:30: POOH on 5 1/2" DP from 1929 m to 390 m. Avg. Tripping speed 1231,2 m/hr.
14:30 - 14:45: M/u TDS and took rotational survey as per scientific instructions.
14:45 - 15:00: POOH from 390 m to 230 m.
15:00 - 15:15: Flowchecked well for 15 min, well static.
15:15 - 16:00: Performed statoil TOFS with drill crew and third party personnel.
16:00 - 16:15: Removed auto slips and installed master bushing.
16:15 - 16:30: POOH from 230 m to 85 m and racked 5 1/2" HWDP.
16:30 - 17:00: B/o double HWDP, recovered drop gyro. M/u stand and r/b same.
17:00 - 17:30: L/d 12 1/4" BHA as per DD laydown plan.
17:30 - 18:45: Plugged in and downloaded data from BCPM and copilot.
18:45 - 19:00: B/o and l/o module
19:00 - 19:15: Performed TBT with new night shift for laying out BHA.
19:15 - 20:45: Layed out 12 1/4" BHA in modules from 33 m to surface.
20:45 - 21:00: Cleaned and cleared rig floor.
21:00 - 21:30: P/u stand, made up jetting sub. M/u wearbushing running and retrieval tool
21:30 - 22:15: RIH w/ wbrrt, landed same and set down 5 7 t as per vetco instructions. Released wearbushing w/ 40 t overpull.
22:15 - 22:45: Racked stand, m/u TDS. Flushed wellhead with 2000 l/min, 30 bar.
22:45 - 23:30: Dropped 3" drift for landing string. POOH with wbrrt to surface.
23:30 - 00:00: Inspected wearbushing, released/re-set RT and l/o same.

24-hour summary: Drilled 12 1/4" hole to section TD at 3299 m. Circulated hole clean, 3 x b/u. Dropped and circulated gyro down. POOH with 12 1/4" BHA, tripped as per scientific instructions. Took gyro stations on way OOH. Performed statoil TOFS w/ drill crew L/d 12 1/4" BHA. Retrieved wearbushing and jetted wellhead.
Hourly activities:
00:00 - 00:30: POOH with jet sub, l/o same. Cleared rig floor.
00:30 - 00:45: Performed TBT for rigging up casing handling equipment.
00:45 - 02:45: R/u handling equipment for 9 5/8" casing. Installed fill-up tool and elevator. Moved weatherford casing tong into position, connected and function tested same. Removed master bushing and installed ps30 slips.
02:45 - 03:00: Performed TBT with all involved personnel for m/u shoe track stands from derrick and p/u 9 5/8" casing joints from deck.
03:00 - 03:45: P/u 9 5/8" shoe stand from derrick and RIH same. Verified floats holding. P/u landing collar stand from derrick and m/u same to shoe stand. Thread locked stands. RIH to 74 m.
03:45 - 07:00: RIH with 9 5/8" 53,5 ppf p110 vamtop casing from 74 m to 350 m. Filled casing while running in. Average running rate 7,1 joints/hr.
07:00 - 07:15: Performed TBT with day shift for running casing.
07:15 - 09:15: RIH with 9 5/8" 53,5 ppf p110 vamtop casing from 350 m to 571 m. Filled casing while running in. Average running rate 9 joints/hr.
09:15 - 12:00: RIH with 9 5/8" 53,5 ppf p110 vamtop casing stands from 571 m to 1562 m. Filled casing every stand while RIH. Average running rate 30 joints/hr.
12:00 - 14:45: RIH with 9 5/8" 53,5 ppf p110 vamtop casing stands from 1562 m to 2690 m. Filled casing every stand while RIH. Average running rate 34 joints/hr.
14:45 - 15:15: Changed to 10 3/4" elevator inserts. P/u x-o stand and m/u same. Changed slips inserts and casing tong to 10 3/4".
15:15 - 17:00: RIH with 10 3/4" 65,7 ppf p110 vamtop casing stands from 2690 m to 3146 m. Filled casing every stand while RIH. Average running rate 22 joints/hr.
17:00 - 17:30: Filled casing, removed fill-up tool. Removed casing elevators and installed DP elevator.
17:30 - 18:00: P/u and m/u 10 3/4" casing hanger. Removed protection and inspected hanger.
18:00 - 18:30: Removed casing slips. RIH w/ casing hanger from 3146 m to 3158 m. Installed master bushings.
18:30 - 19:15: R/d casing tong.
19:15 - 19:30: Performed TBT with night shift to run and land casing on HWDP LS.
19:30 - 20:30: RIH with 10 3/4" x 9 5/8" casing on 5 1/2" HWDP landing string from 3158 m to 3280 m. Up weight 300 t, down weight 195 t. Circulated last stand w/ 500 LPM and 22 bar.
20:30 - 21:15: P/u cement head. M/u cement hoses. M/u cement head to landing string.
21:15 - 21:30: Broke circ. W/ 500 l/min and 22 bar. RIH and landed 10 3/4" casing hanger in MS 700 wellhead. Set down casing weight, marked pipe and confirmed stem free as per ge vetco instructions.
21:30 - 00:00: Increased flow in 250 l/min steps to 1700 l/min/ 46 bar. Observed loss tendency, 2,5 m/h. Reduced pump rate to loss free rate at 1600 l/min/40 bar. Conditioned mud while circ. Until MW in/out 1,28 SG.

24-hour summary: R/u casing handling equipment. M/u and RIH 9 5/8" shoe track stands from derrick. M/u and RIH 9 5/8" casing from deck from 74 m to 571 m. RIH 9 5/8" and 10 3/4" casing in stands to 3146 m. P/u 10 3/4" casing hanger, m/u same and RIH. RIH w/ casing on 5 1/2" HWDP LS and landed casing in wellhead. Circulated well prior to cement job w/ 1600 l/min and 40 bar.
Hourly activities:
00:00 - 05:45: Drilled 8 1/2" hole from 3370 m to 3496 m with 2400 LPM, 202 bar, 120 RPM, 16-23 KNM, 7 ton wob. ROP 10 m/hr. ECD 1,51 SG. MAX gas 0,8 Reduced ROP to 10 m/hr 3471 m to 3496 m. Down link and take survey after connection.
05:45 - 06:00: Drilled 8 1/2" hole from 3496 m to 3499 m. With 2400 LPM, 211 bar, 120 RPM, 16-25 KNM, 5 ton wob. ROP 25-30 m/hr. ECD 1,52 SG. MAX gas 2,77 Down link and take survey after connection.
06:00 - 07:15: Drilled 8 1/2" hole from 3499 m to 3532 m. With 2400 LPM, 212 bar, 120 RPM, 22-27 KNM, 4 ton wob. ROP 25-30 m/hr. ECD 1,52 SG. MAX gas 1,9 Down link and take survey after connection.
07:15 - 07:30: Took SCR 3532 m, 1,32 SG. Pump 1. 20/30/40 stroke, 33/41/42 bar. Pump 2. 20/30/40 stroke, 22/32/44 bar.
07:30 - 16:00: Drilled 8 1/2" hole from 3532 m to 3730 m. With 2400 LPM, 218 bar, 120 RPM, 18-27 KNM, 3-5 ton wob. ROP 25-30 m/hr. ECD 1,53 SG. MAX gas 2,16 Down link and take survey after connection.
16:00 - 16:15: Took SCR 3730 m, 1,32 SG. Pump 1. 20/30/40 stroke, 28/37/49 bar. Pump 2. 20/30/40 stroke, 27/38/50 bar.
16:15 - 00:00: Drilled 8 1/2" hole from 3499 m to 3532 m. With 2400 LPM, 228 bar, 120 RPM, 22-30 KNM, 4-9 ton wob. ROP 25-30 m/hr. ECD 1,53 SG. MAX gas 2,51 Down link and take survey after connection.

24-hour summary: Drilling and geosteering 8 1/2" hole from 3410 m to 3912 m.
Hourly activities:
00:00 - 01:45: Drilled 8 1/2" hole from 3912 m to 3954 m. With 2400 LPM, 219 bar, 120 RPM, 17-25 KNM, 5 ton wob. Avg ROP 24 m/hr. ECD 1,60 SG. MAX gas 2,95 Down link and take survey after connection.
01:45 - 02:30: At 3954 m observed STDP increased from 220 bar to 245 bar and wob increased from 4 ton to 9 ton. Drillstring stalled out. Attempted to regain rotating no success. Pulled 70 ton overpull on drillstring, string free. Back reamed 1 single prior to commence drilling.
02:30 - 03:45: Drilled 8 1/2" hole from 3954 m to 3974 m. With 2400 LPM, 220 bar, 120 RPM, 18-23 KNM, 4 ton wob. Avg ROP 16 m/hr. ECD 1,51 SG. MAX gas 0,8 Down link and take survey after connection. Back reamed stand prior to connection.
03:45 - 06:00: Drilled 8 1/2" hole from 3974 m to 4025 m. With 2400 LPM, 220 bar, 120 RPM, 18-23 KNM, 4-5 ton wob. Avg ROP 22 m/hr. ECD 1,53 SG. MAX gas 3,0 Down link and take survey after connection.
06:00 - 07:15: Drilled 8 1/2" hole from 4025 m to 4052 m. With 2400 LPM, 226 bar, 120 RPM, 22-26 KNM, 5 ton wob. Avg ROP 22 m/hr. ECD 1,53 SG. MAX gas 2,4 Down link and take survey after connection.
07:15 - 07:30: Took SCR 4052 m, 1,32 SG. Pump 1. 20/30/40 stroke, 33/41/54 bar. Pump 2. 20/30/40 stroke, 34/40/51 bar.
07:30 - 20:00: Drilled 8 1/2" hole from 4052 m to 4337 m. With 2400 LPM, 238 bar, 140- 160 RPM, 20-28 KNM, 4-6 ton avg wob. ROP 23 m/hr. ECD 1,56 SG. MAX gas 2,9 Down link and take survey after connection.
20:00 - 20:15: Took SCR 4337 m, 1,32 SG. Pump 1. 20/30/40 stroke, 34/43/55 bar. Pump 2. 20/30/40 stroke, 36/43/53 bar.
20:15 - 00:00: Drilled 8 1/2" hole from 4337 m to 4434 m. With 2400 LPM, 236 bar, 160 RPM, 24-30 KNM, 4-5 ton wob. Avg ROP 26 m/hr. ECD 1,56 SG. MAX gas 2,6 Down link and take survey after connection.

24-hour summary: Drilling and geosteering 8 1/2" hole from 3912 m to 4434 m.
Hourly activities:
00:00 - 06:00: Drilled 8 1/2" hole from 4434 m to 4563 m. With 2400 LPM, 240 bar, 160 RPM, 24-30 KNM, 4-5 ton wob. Avg ROP 21 m/hr. ECD 1,57 SG. MAX gas 2,4 Down link and take survey after connection.
06:00 - 12:00: Drilled 8 1/2" hole from 4563 m to 4685 m. With 2420 LPM, 248 bar, 180 RPM, 24-30 KNM, 4-7 ton wob. Avg ROP 20 m/hr. ECD 1,59 SG. MAX gas 2,0 Down link and take survey after connection.
12:00 - 14:00: Circulated hole clean with 2425 LPM, 248 bar, 180 RPM, 24-29 KNM, ECD 1,55 SG circulated total 1,5 b/u. Reciprocated drill string from 4680 m to 4660 m.
14:00 - 16:15: Attempted to rack back stand no success. Unable to back out due to TDS brake. Troubleshot on TDS brake system. Spanned out stand with iron roughneck. R/b stand in derrick. M/u circulation swedge and hose to dril string. Circulated on well with 660 LPM, 48 bar. Restarted TDS all functions returned to normal. Broke out circulation swedge.
16:15 - 18:15: Connected TDS to drill string. Circulated hole clean with 2425 LPM, 248 bar, 180 RPM, 24-29 KNM, ECD 1,54 SG circulated total 3,5 b/u while reciprocated drill string and racked one stand per BTM'S up.
18:15 - 18:30: Took torque readings.
18:30 - 18:45: Flow checked well for 15 min. Well static.
18:45 - 19:15: Established with 2400 LPM, 235 bar, 20 RPM, 18-22 KNM. Down link to ribs off.
19:15 - 19:30: POOH with 8 1/2" BHA from 4661 m to 4620 m. Unable to function mudbucket.
19:30 - 19:45: Troubleshot on interlock system for mudbucket. Meanwhile circulated with 1800 LPM and 60 RPM. Reciprocated drill string.
19:45 - 22:15: POOH with 8 1/2" BHA from 4620 m to 4376 m wet. Drag seen 4593 m, 25 ton. Pumped through tight spot 4593 m.
22:15 - 23:15: Re log area from 4376 m to 4336 m with 60 m/hr, 1800 LPM and 60 RPM.
23:15 - 23:30: Took up/down weight, 195/139 ton.
23:30 - 23:45: Flow checked well for 15 min. Well static.
23:45 - 00:00: Pumped 4 m3 0f 1,61 SG slug.

24-hour summary: Drilled 8 1/2" hole from 4434 m to 4685 m. Circulated hole clean. POOH with 8 1/2" BHA to 4376 m. Re log area from 4376 m to 4336 m.
Hourly activities:
00:00 - 03:15: POOH with 8 1/2" BHA from 4336 m to 3288 m. Avg. Tripping speed 322 m/hr.
03:15 - 03:45: Flow checked well. Well static. Took torque readings.
03:45 - 06:00: POOH with 8 1/2" BHA from 3388 m to 1922 m. Avg. Tripping speed 651 m/hr.
06:00 - 07:00: POOH with 8 1/2" BHA from 1922 m to 1360 m. Avg. Tripping speed 562 m/hr.
07:00 - 07:15: Performed pre-job/handover meeting with crew.
07:15 - 07:30: Cleaned and checked BX-ELEVATOR. Cheched oil level on HPU and top up same.
07:30 - 09:00: POOH with 8 1/2" BHA from 1360 m to 223 m. Avg. Tripping speed 758 m/hr.
09:00 - 09:15: Performed kick drill with crew, 65 sec.
09:15 - 09:30: Flow checked well for 15 min. Well static.
09:30 - 09:45: POOH with 8 1/2" BHA from 223 m to 100 m.
09:45 - 10:00: Performed pre-job meeting prior to handling BHA and radioactive sources.
10:00 - 10:15: Changed to 5" handling equipment. Filled trip tank.
10:15 - 11:15: POOH with 8 1/2" BHA from 100 m to 48 m while r/b 5 1/2" HWDP and jar in derrick.
11:15 - 11:30: Changed to 5 1/2" handling equipment.
11:30 - 11:45: Removed radioactive sources from litro rak.
11:45 - 13:00: Plugged in to MWD and down loaded data.
13:00 - 14:45: POOH with 8 1/2" BHA from 48 m and l/d same on deck.
14:45 - 15:00: Cleaned and clered rig floor for excess equipment.
15:00 - 15:15: Performed pre-job meeting prior to rig 7" liner equipment.
15:15 - 18:00: R/u handling equipment for 7" liner. CSG tong, inserts in BX-ELEVATOR, installed fill up swedge to TDS. Pulled in HTS and installed power rollers on same.
18:00 - 18:30: Performed service on traveling bluck, electric motor and dolly.
18:30 - 20:00: R/u handling equipment for 7" liner. Installed PS-30 in rotary. M/u swedge to TIW. Checked CSG tong.
20:00 - 20:15: Performed pre-job meeting with crew prior to p/u and run 7" liner.
20:15 - 21:45: M/u shoetrack to 60 m. P/u 7" primary shoe joint, checked float. M/u shoe joint, intermediate joints and float collar joint, checked flow through. Filled every joint.
21:45 - 22:00: Weatherford casing crew installed hydraulic hoses for stabbing arm and changed out sticking inserts in BX-ELEVATOR from weatherford to mearsk inserts.
22:00 - 23:15: Pulled up joint no. 6 attempted to m/u same no success. Troubleshooting on weatherford casing tong. Found damaged/sheared breakband.
23:15 - 23:30: Performed pre-job meeting prior to change out damaged breakband.
23:30 - 23:45: Changed out damaged breakband.
23:45 - 00:00: Back out joint no. 6 and confirmed threads damaged on joint and in collar on float joint pup.

24-hour summary: POOH with 8 1/2" BHA from 4336 m. L/d 8 1/2" BHA. R/u handling equipment for 7" liner job. M/u shoetrack to 60 m. Troubleshooting on weatherford casing tong. Found damaged/sheared breakband. Changed out breakband on casing tong.