bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
15:00 - 00:00: Drilled and oriented 17 1/2" hole from 1381 m to 1467 m MD. Invalid surveys due to interference from adjacent 9 5/8" casing. Drilling parameters 4000-4500 LPM SPP 188-230 bar 1-4 MT wob 80-100 RPM torque 6-10 KNM ECD 1,43-1,47. Controlled ROP to 12 m/hrs as dictated by cuttings handling. Downlinked powerdrive as per DD instructions.

24-hour summary: Drilled and oriented 17 1/2" hole from 1381 m to 1525 m MD.
Hourly activities:
00:00 - 02:00: Drilled and oriented 17 1/2" hole from 1467 m to 1478 m MD. Obtained first good survey at 1478 m MD. Drilling parameters 4500 LPM SPP 228 bar 3 MT wob 80-100 RPM torque 10 KNM ECD 1,43-1,44. Attempted to increase ROP to 20 m/hrs, resulted in blockaged in cuttings injection system tank). Dercreased ROP to 15 m/hrs as dictated by cuttings handling. Downlinked powerdrive according to DD instructions.
02:00 - 06:00: Drilled and oriented 17 1/2" hole from 1478 m to 1525 m MD. Drilling parameters 4500 LPM SPP 227 bar 2-3 MT wob 130 RPM torque 9-12 KNM ECD 1,43-1,44. Controlled ROP to 18 m/hrs as dictated by cuttings handling. Downlinked powerdrive according to DD instructions.
06:00 - 11:30: Drilled and oriented 17 1/2" hole from 1525 m to 1608 m MD. Drilling paramaters 4500 LPM SPP 236 bar 3-4 MT wob 130 RPM torque 10 KNM ECD 1,44-1,45 controlled ROP to 18 m/hrs due to cuttings handling. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions.
11:30 - 15:00: Drilled and oriented 17 1/2" hole from 1608 m to 1635 m MD. Got problems with cuttings handling. Mill loop on active tank got blocked. Worked to unblock line. Meanwhile continued drilling at lower ROP and routed cuttings to skips as required. Drilling parameters 4000 LPM SPP 195 bar 2-3 MT wob 130 RPM torque 8-10 KNM ECD 1,44. Controlled ROP to 5-10 m/hrs as dictated by cuttings handling and toubleshoting.
15:00 - 00:00: Drilled and oriented 17 1/2" hole from 1635 m to 1761 m MD. Drilling paramaters 4500 LPM SPP 237-244 bar 4-6 MT wob 130 RPM torque 7-13 KNM ECD 1,44-1,45. Controlled ROP to 20 m/hrs due to cuttings handling. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions.

24-hour summary: Drilled 17 1/2" hole from 1525 m to 1833 m MD.
Hourly activities:
00:00 - 03:30: Drilled and oriented 17 1/2" hole from 1761 m to 1801 m MD. Drilling paramaters 4500 LPM SPP 245 bar 6-8 MT wob 130 RPM torque 10-13 KNM ECD 1,43-1,44. Controlled ROP to 20 m/hrs due to cuttings handling. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions. Had problems with spooling on PRS lift wire drums.
03:30 - 04:00: Removed flush joint elevator on PRS in order to fix spooling problem. Ran gripper head to floor and re-spooled drums. Meanwhile reamed on stand and downlinked powerdrive.
04:00 - 06:00: Drilled and oriented 17 1/2" hole from 1801 m to 1833 m MD. Drilling paramaters 4500 LPM SPP 246 bar 5-7 MT wob 130 RPM torque 12 KNM ECD 1,43-1,44. Controlled ROP to 20 m/hrs due to cuttings handling.
06:00 - 06:30: Drilled and oriented 17 1/2" hole from 1833 m to 1841 m MD. Drilling parameters 4500 LPM SPP 248 bar 6 MT wob 140 RPM torque 8-12 KNM ECD 1,44. Controlled ROP to 20 m/hrs due to cuttings handling. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions.
06:30 - 11:15: Waited on weather. Winds 65 knots, i. E. In excess for PRS operational limit. Meanwhile performed MWD surevy and downlinked powerdrive. Reciprocated on stand from 1841 m to 1801 m MD. Parameters 3000 LPM SPP 120 bar 50 RPM torque 9 KNM ECD 1,43-1,44.
11:15 - 00:00: Drilled and oriented 17 1/2" hole from 1841 m to 2047 m MD. Drilling parameters 4500 LPM SPP 252-258 bar 2-6 MT wob 140 RPM torque 11-14 KNM ECD 1,44-1,46. Controlled ROP to 20-22 m/hrs due to cuttings handling. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions.

24-hour summary: Drilled 17 1/2" hole from 1833 m to 2134 m MD.
Hourly activities:
00:00 - 02:00: Drilled and oriented 17 1/2" hole from 2047 m MD to 2084 m MD. Drilling parameters 4500 LPM SPP 261 bar 2-3 MT wob 140 RPM torque 9-13 KNM ECD 1,45. Controlled ROP to 20 m/hrs due to cuttings handling. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions. Experienced problems when picking up 5 1/2" stand. Meanwhile made up 13 3/8" casing stands in foxhole.
02:00 - 02:30: When attempting to pick up a stand of 5 1/2" DP, the stand was bent. Probable cause is that the stand was caught by the wind and/or hit by the flush joint elevator when making the grip with the gripper head. Hence the stand was bent when retracting the arm. Closed additional fingers to secure the stand in the finger slot. Set down stand and made new grip. Inspected stand visually, stand seemed to by straight and undamaged. Meanwhile reciprocated stand with 3000 LPM 80 RPM.
02:30 - 06:00: Drilled and oriented 17 1/2" hole from 2084 m MD to 2134 m MD. Drilling parameters 4500 LPM SPP 264 bar 3-7 MT wob 140 RPM torque 11-16 KNM ECD 1,45. Controlled ROP to 20 m/hrs due to cuttings handling. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions. Meanwhile made up 13 3/8" casing stands in foxhole.
06:00 - 17:45: Drilled and oriented 17 1/2" hole from 2134 m to 2310 m MD. Drilling parameters 4500 LPM SPP 267-274 bar 3-8 MT wob 120-140 RPM torque 13-22 KNM ECD 1,45-1,46. Controlled ROP to 20 m/hrs due to cuttings handling. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions.
17:45 - 18:15: Drilled and oriented 17 1/2" hole from 2310 m to 2318 m MD. Reduced ROP to 10 m/hrs due to plugged line in DCI system. Routed cuttings to skips while working to unplug line. Drilling parameters 4000-4500 LPM SPP 221-268 bar 4-5 MT wob 120 RPM torque 16 KNM ECD 1,45.
18:15 - 00:00: Drilled and oriented 17 1/2" hole from 2318 m to 2401 m MD. Drilling parameters 4500 LPM SPP 275 bar 5-7 MT wob 125 RPM torque 16-20 KNM ECD 1,45-1,46. Controlled ROP to 20 m/hrs due to cuttings handling. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions.

24-hour summary: Drilled 17 1/2" hole from 2134 m to 2474 m MD.
Hourly activities:
00:00 - 03:45: Drilled and oriented 17 1/2" hole from 2401 m to 2447 m MD. Drilling parameters 4000-4500 LPM SPP 222-276 bar 7-9 MT wob 125-140 RPM torque 18-22 KNM ECD 1,45-1,46. Controlled ROP to 20 m/hrs due to cuttings handling. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions. Prepared manriding operation for inspecting and repairing hydraulic leak on PRS.
03:45 - 04:15: Performed manriding to hose bundle in top of PRS. Thightened fittings on several hoses. Inspected and found leak to be fixed. Meanwhile circulated at 3000 LPM SPP 136 bar.
04:15 - 06:00: Drilled and oriented 17 1/2" hole from 2447 m to 2474 m MD. Drilling parameters 4500 LPM SPP 274 bar 8-9 MT wob 140 RPM torque 20-22 KNM ECD 1,45. Controlled ROP to 20 m/hrs due to cuttings handling. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions. Meanwhile made up 13 3/8" casing in stands using PRS and foxhole.
06:00 - 16:45: Drilled and oriented 17 1/2" hole from 2474 m to section TD at 2591 m MD. Drilling parameters 4500 LPM SPP 274 bar 8-10 MT wob 140 RPM torque 20-32 KNM ECD 1,45. Controlled ROP to 20 m/hrs due to cuttings handling. Performed MWD survey on connections. Downlinked powerdrive according to DD instructions. Meanwhile made up 13 3/8" casing in stands using PRS and foxhole.
16:45 - 19:00: Circulated hole clean while reciprocating last stand from 2591 m to 2569 m MD. Parameters 4200-4500 LPM SPP 246-272 bar 140 RPM torque 13 KNM ECD 1,43-1,44.
19:00 - 23:00: Set back stand of DP and continued circulating hole clean while reciprocating stand from 2565 m to 2526 m MD. Parameters 4200-4500 LPM SPP 246-274 bar 85 RPM torque 13 KNM ECD 1,43-1,44. Circulated a total of 4 x bottoms up until clean shakers.
23:00 - 00:00: Lined up to triptank and flowcheked well. Observed static losses to well in order of 350 l/hrs. Checked trip tank line up OK.

24-hour summary: Drilled 17 1/2" hole from 2474 m to section TD at 2591 m MD. Circulated hole clean with 4500 LPM, 4 x bottoms up until clean shakers. Flowchecked well observed static losses of 350 l/hrs. Spotted LCM pill across grid sand. Pull 5 stands wet. Pumped slug and POOH with 17 1/2" drilling BHA to 1764 m MD. Flowchecked well static.
Hourly activities:
00:00 - 02:00: Hooked up and fuctioned casing tong. Removed masterbushing. Installed FMS in rotary ring on FMS did not fit in rotary. Removed adapter ring and installed FMS in rotary. Changed fittings on hydraulic hoses and hooked up FMS to rig hydraulics. Attemped to function FMS negative.
02:00 - 03:45: Not able to function FMS. Troubleshot situation. Changed fittings on hoses still not functioning correctly. Traced external panel for FMS and hooked up same. Traced 13 3/8" inserts for PS-30. Hooked up FMS to external panel, functioned FMS OK. Installed by-pass baffle in shoe joint laying on HTS.
03:45 - 04:00: Held toolbox talk for running casing.
04:00 - 05:00: Picked up shoe joint. Attempted to run shoe joint, could not pass guides on FMS. Removed guides on FMS. Not able to run bow spring centralizer through FMS. Removed FMS and installed masterbushing and bowl.
05:00 - 06:00: RIH with shoe joint, checked float for pos/neg flowthrough OK, hung off on manual slips. Picked up and made up intermediate joint. Picked up and made up float collar joint. Threadlocked connections. Used dog collar to secure in slips. Filled joints with 1,43 SG OBM.
06:00 - 08:30: Ran 13 3/8" p110 72# casing from 40 m to 140 m MD. Used manual slips. Filled every joint with 1,43 SG OBM.
08:30 - 08:45: Held toolbox talk for removing bushings.
08:45 - 09:00: Removed masterbushing and installed PS-30 slips. Had problems with hydraulics on PS-30.
09:00 - 09:45: Troubleshot hydraulics on PS-30.
09:45 - 10:30: Ran 13 3/8" p110 72# casing from 140 m to 184 m MD. Filled every 5th joint with 1,43 SG OBM.
10:30 - 11:00: Held toolbox talk handover meeting with new crew.
11:00 - 17:45: Ran 13 3/8" p110 72# casing from 184 m to 783 m MD. Filled every 5th joint with 1,43 SG OBM. Running speed 7-8 jnts/hr.
17:45 - 18:30: Filled string and lined up to triptank well static. Moved rollers on HTS to pick from aft bays.
18:30 - 19:00: Ran 13 3/8" p110 72# casing from 783 m to 808 m MD.
19:00 - 19:30: Held toolbox talk handover meeting with new crew.
19:30 - 20:45: Ran 13 3/8" p110 72# casing from 808 m to 914 m MD. Had problems with HTS rollers.
20:45 - 21:15: Troubleshot problems with HTS rollers.
21:15 - 22:45: Ran 13 3/8" p110 72# casing from 914 m to 1035 m MD. Filled every 5th joint with 1,43 SG OBM. Running speed 7 jnts/hr.
22:45 - 00:00: Halted operations due to incident on pipedeck. A wooden beam came flying over the HTS and landed accross the gangway on the oposite side of the HTS E. Starboard side). Took time out for investigation and debrief safety brief.

24-hour summary: Ran 13 3/8" casing from 40 m to 1358 m MD. Rigged up tesco casing running equipment.
Hourly activities:
00:00 - 06:00: Ran 13 3/8" p110 72# casing from 1556 m to 1912 m MD. Filled casing string on every 5th joint run. No excessive drag in hole, but observed tight spot at 1719 m MD.
06:00 - 15:15: Ran 13 3/8" p110 72# casing from 1912 m to 2441 m MD. Filled casing string on every 5th joint run. No excessive drag in hole. Worked through tight spots at 2092 m and 2160 mmd with MAX circulation of 1300 LPM 10-16 bar and MAX 30 MT weight added.
15:15 - 16:30: RD and lo tesco tool.
16:30 - 17:00: Installed BX elevator and tilt adaptor.
17:00 - 19:00: PU casing hanger and padprt assy. Reciprocated string while RD CSG tong. Changed head on PDM and cleared rig floor. Changed PS 30 to master- and inner bushings. Observed 30 MT drag running casing hanger assy through rotary.
19:00 - 20:45: RIH to land 13 3/8" CSG on 5 1/2" HWDP from 2441 m to 2478 m. Established circulation rate and washed down with 440 LPM/3. 6 bar. Up weight 283 MT/ down weight 217 MT.
20:45 - 21:00: Reinstalled pipe handler skirt on TDS due to high winds making it difficult to stab into 5 1/2" HWDP stnd. Meanwhile continued circulating at 675 LPM 5. 0 bar.
21:00 - 00:00: Washed down to land 13 3/8" CSG on 5 1/2" HWDP from 2478 m to 2572 m with 675 LPM/5. 0 bar. Worked through tight spot at 2569 m MD with MAX circulation of 1100 LPM 15 bar and MAX 20 MT weight added.

24-hour summary: Ran 13 3/8" casing from 1912 m to 2441 m MD. Removed tesco tool. Picked up and made up 13 3/8" hanger. RD casing running equipment. Ran 5 1/2" HWDP to land 13 3/8" casing from 2441 m to 2576 m.
Hourly activities:
00:00 - 06:00: Worked 13 3/8" CSG down from 2572 m to 2577 m MD with circulation of 1500-2300 LPM 28-35 bar and MAX 30 MT weight added at approx 1 m/hr. Observed a significant amount of cuttings in return. Up weight 295 MT/ down weight 223 MT.
06:00 - 08:00: Worked 13 3/8" CSG down from 2577 m to 2579 m MD with circulation of 2300 LPM 30 bar and MAX 30 MT weight. Decreasing progress towards 2579 m. Observed rapid pressure increase when taking weight until 2579 m, where no pressure increase was seen. Unable to pass 2579 m with MAX 40 MT. Up weight 295 MT/ down weight 223 MT.
08:00 - 09:15: POOH with 13 3/8" p110 72# casing from 2579 m to 2538 m MD on 5 1/2" HWDP while circulating at 400 LPM 5 bar. Observed rapid pressure increase to 35 bar and shut off pump at 2538 m. Meanwhile changed head on PDM.
09:15 - 14:45: Attempted to free 13 3/8" CSG by working string down, but pressure did not bleed off. Worked string with 35 MT upwards and 45 MT downwards. Pressure dropped off while working pipe upwards. Pumped 100 LPM while working pipe upwards increase when stopped pumping) and regained circulation at 2504 m. Staged up pumps to 2300 LPM 27 bar.
14:45 - 17:30: Continued POOH with 13 3/8" p110 72# casing from 2538 m to 2449 m MD on 5 1/2" HWDP while circulating at 2300 LPM 28 bar. Pulled master bushings. Installed CSG tong. RB casing hanger assembly. Changed to BX-ELEVATOR.
17:30 - 18:30: POOH and LD 13 3/8" CSG joint and
18:30 - 21:00: Changed to 5 1/2" elevator. PU and MU CSG hanger assy. RIH with CSG hanger below rotary 2417 m to 2426 m. Staged up pumps to 2300 LPM 20 bar and established circulation whilst removing CSG tong.
21:00 - 23:15: RIH with 13 3/8" p110 72# casing from 2426 m to 2557 m MD on 5 1/2" HWDP while circulating at 2300 LPM 28 bar. Up weight 290 MT/ down weight 222 MT.
23:15 - 23:45: PU and MU CMT head.
23:45 - 00:00: Attempted to RIH and land 13 3/8" CSG. Had 25 MT drag at 2558 m.

24-hour summary: POOH with 13 3/8" CSG on 5 1/2" HWDP from 2579 m to 2417 m. Lo 2 joints of CSG. RIH with 13 3/8" CSG on 5 1/2" HWDP from 2417 m to 2557 m. Picked up CMT head. Landed 13 3/8" casing at 2562 m. Circulated and pumped cement.
Hourly activities:
00:00 - 05:45: Continued pressure testing BOP and ibops to 20/345 bar 5/10 min. Meanwhile changed spinner on aft iron roughneck and performed maintenace on same.
05:45 - 06:00: PU test tool out of wear bushing and sat string in slips.
06:00 - 07:00: RU to test IBOP and kelly hose.
07:00 - 09:15: Cleared rig floor of CSG tong, ps30, inserts, BX-ELEVATOR, FMS, padprt and wear busing RT. Meanwhile performed test run on aft iron roughneck.
09:15 - 12:00: Pressure tested TDS, lower- and upper IBOP and kelly hose to 30 bar/345 bar for 5/10 min. Meanwhile repaired CRI pumps and manifold. Cleaned threads on 5 1/2" DP on cantilever.
12:00 - 14:00: RD test line to BOP. POOH and LD BOP test plug assembly. Meanwhile repaired CRI pumps and manifold. Cleaned threads on 5 1/2" DP on cantilever.
14:00 - 14:45: Held tool box talk. Serviced PRS. Inspected rollers and changed dies on PRS.
14:45 - 16:00: Held tool box talk for manual handling. Lo 17 1/2" BHA.
16:00 - 17:00: Held time out for safety Had incident where lifting arrangement on lifting sub slipped and lifting sub dropped. Modified lifting arrangement and performed lifting/stress test. OK.
17:00 - 19:00: Continued lo 17 1/2" BHA. Meanwhile repaired CRI pumps and manifold.
19:00 - 21:15: PU and MU 12 1/4" BHA and RIH from surface to 75 m. Changed out master bushings to ps21.
21:15 - 22:00: RIH with 12 1/4" BHA from 75 m to 274 m. Ps21 slips was locked in closed position.
22:00 - 23:45: Trouble shot mal function of ps21 slips.
23:45 - 00:00: Held tool box talk prior to hanging of blocks.

24-hour summary: LD 17 1/2" BHA. MU and RIH with 12 1/4" clean out assembly from surface to 274 m. Performed slip and cut of drill line. Performed maintenance on aft PRS.
Hourly activities:
00:00 - 03:00: Performed slip cut of drill line.
03:00 - 04:00: Continued performing slip cut of drill line.
04:00 - 05:30: Inspected aft PRS for dropped objects.
05:30 - 06:00: Serviced aft PRS and checked bolts on upper connection.
06:00 - 07:00: Serviced aft PRS and checked bolts on upper connection.
07:00 - 10:30: Completed drops inspection on aft PRS. De-isolated equipment.
10:30 - 11:15: Changed faulty ps21 to ps30 slips and inserted correct carrier and inserts.
11:15 - 16:00: RIH with 12 1/4" BHA from 274 m to 2480 m. Filled every 10 stds with 1. 43 SG OBM.
16:00 - 16:15: Lo single and performed kick drill in 38 sek.
16:15 - 16:45: Broke circulation and washed down 12 1/4" BHA from 2480 m to 2521 m. Drilling parameters 2000 LPM SPP 62 bar 30 RPM torque 12-15 KNM.
16:45 - 17:15: Performed choke drill with day crew.
17:15 - 19:00: Broke circulation and washed down 12 1/4" BHA from 2521 m to 2534. 4 m. Tagged CMT with 3 MT at 2534. 4 m. Drilling parameters 2000 LPM SPP 62 bar 30 RPM torque 12-15 KNM.
19:00 - 23:00: Drilled out shoe track from 2534. 4 m to 2561 m whilst displacing to 1. 25 SG. Drilling parameters 3000 LPM SPP 120 bar 60 RPM torque 15-17 KNM.
23:00 - 00:00: Dumped u-tube and flushed choke/kill and poorboy with 1. 25 SG OBM. Filled trip tank and u-tube with 1. 25 SG OBM. Liquid seal pressure on u-tube was 12 psi. Lined up manifolds and took SCR with 1. 25 SG OBM. Made connection before cleaning out rat hole.

24-hour summary: RIH with 12 1/4" clean out assembly from 274 m to 2534. 4 m. Drilled out 13 3/8" CSG shoetrack from 2534. 4 m to 2562 m while displacing to 1. 25 SG OBM. Cleaned out 17 1/2" rat hole from 2562 m to 2591 m. Circulated hole clean.
Hourly activities:
00:00 - 00:45: Investigated problem with HTS belt. Re-sat encoder
00:45 - 06:00: POOH with 12 1/4" BHA from 1081 m to 189 m laying down 5 1/2" DP in singles. Meanwhile performed gyro survey on connection while POOH. Performed rotational shots and gyro tool QC every 300 m.
06:00 - 07:00: POOH with 12 1/4" BHA from 189 m to 84 m laying down 5 1/2" DP in singles. Meanwhile performed gyro survey on connection while POOH. Performed rotational shots and gyro tool QC every 300 m.
07:00 - 07:30: Removed gyro tool from string.
07:30 - 08:00: MU and RB stnd of HWDP. Changed ps30 to master bushings. Meanwhile plugged gyro to computer to check quality of data.
08:00 - 10:15: POOH and lo 12 1/4" BHA from 84 m to OOH. Cleaned rig floor prior to RIH with 5 1/2" DP.
10:15 - 11:45: RIH with 5 1/2" DP from surface to 1009 m.
11:45 - 17:00: POOH and lo 5 1/2" DP to deck from 1009 m to 968 m. Pumped 3. 5 m3 1. 45 SG slug. Continued to POOH and lo 5 1/2" DP to deck from 968 m to OOH.
17:00 - 19:15: Cleaned and cleared rig floor. Re-arranged collars and landing string in derrick. BX-ELEVATOR would not close and tilt at the same time.
19:15 - 00:00: Trouble shooted BX-ELEVATOR.

24-hour summary: POOH with 12 1/4" BHA from 189 m to OOH. PU and RIH with 856 m of 5 1/2" DP.
Hourly activities:
00:00 - 00:45: Continued trouble shooting BX-ELEVATOR.
00:45 - 06:00: PU and RIH with 5 1/2" DP from surface to 856 m.
06:00 - 12:00: PU and RIH with 5 1/2" DP from 856 m to 1894 m in singles from deck.
12:00 - 15:00: Pumped 3 m3 1. 49 slug. POOH and RB 5 1/2" DP in derrick from 1894 m to surface.
15:00 - 16:00: Cleaned and cleared drill floor. Removed ps30 and installed master bushings. Prepared rig floor for 8 1/2" BHA.
16:00 - 21:00: PU 8 1/2" BHA and RIH from surface to 42 m. Loaded sources into MWD tool. Continued PU 8 1/2" BHA and RIH from 42 m to 99 m. Performed recalibration of block weight sensor while waiting on helicopter for 10 min.
21:00 - 23:15: Dressed and installed ps21 slips and checked dies on PRS. RIH with 8 1/2" BHA on 5" DP from 99 m to 584 m drifting every stnd of 5" DP to 3. 0" in derrick.
23:15 - 00:00: Installed XO and filled pipe. Broke circulation and pumped 2000 LPM 80 bar.

24-hour summary: Continued PU and RIH 1050 m with 5 1/2" DP. POOH and RB 5 1/2" DP in derrick. PU and MU 8 1/2" BHA. RIH with 8 1/2" BHA on 5" DP from 99 m to 1728 m. Changed to 5 1/2" DP handling equipment.
Hourly activities:
00:00 - 00:15: Performed shallow test of schlumberger tools at 2000 LPM 80 bar. OK
00:15 - 04:45: RIH with 8 1/2" BHA on 5" DP from 505 m to 1727 m drifting every stnd of 5" DP to 3. 0" in derrick. Filled pipe every 15 stnds.
04:45 - 05:15: Isolated and serviced TDS.
05:15 - 05:45: Isolated and serviced aft PRS.
05:45 - 06:00: Changed to 5 1/2" handling equipment.
06:00 - 11:30: RIH with 8 1/2" BHA from 1728 m to 2495 m PU 5 1/2" DP from deck.
11:30 - 11:45: RIH with 8 1/2" BHA from 2495 m to 2535 m on 5 1/2" DP from derrick.
11:45 - 13:30: MU TDS and filled pipe. Washed down with 8 1/2" BHA from 2535 m to 2593 m on 5 1/2" DP from derrick. Parameters 1600 LPM SPP 80 bar 50 RPM torque 7-9 KNM.
13:30 - 14:00: Drilled 8 1/2" hole from 2593 m to 2596 with 1. 25 SG OBM Drilling parameters 1800-2000 LPM SPP 102-120 bar 50-80 RPM torque 9-12 KNM wob 1-3 MT ECD 1. 27 SG EQMW. Up weigh 154 MT rotational weight 135 MT down weight 128 MT.
14:00 - 17:00: Picked off BTM to take survey. Observed pressure spike of 15 bar. Attempted to come back down but took weight at 2594 m. Observed pressure increase. Reamed stand and cleaned hole. Attempted to come back down with 1800 LPM 50 RPM but took weight at 2594 m. Observed pressure increase of 35 bar. Observed no increase in torque, and no reduction in return flow. Sat down 10 MT wob and continued to observe pressure increase of 30 bar, not possible to come back to BTM. Observed decrease in torque from 8-10 KNM to 6-7 KNM, no reduction in return flow observed.
17:00 - 17:30: POOH with 8 1/2" BHA from 2594 m to 2576 m and circulated while discussing options. Parameters 1800 LPM SPP 96 bar 10 RPM torque 7-9 KNM.
17:30 - 18:15: POOH from 2576 m to inside 13 3/8" CSG shoe at 2549 m. Performed flow check of well while discussing options with town. Static.
18:15 - 20:30: Pumped 3. 5 m3 1. 50 SG slug at 1000 LPM 36 bar. POOH with 8 1/2" BHA from 2549 m to 1728 m on 5 1/2" DP.
20:30 - 21:00: Lo XO and changed to 5" handling equipment.
21:00 - 23:15: POOH with 8 1/2" BHA from 1727 m to 100 m on 5" DP.
23:15 - 23:45: Flow checked well. Static. Meanwhile removed ps21 slips and installed master bushings.
23:45 - 00:00: Continued to POOH with 8 1/2" BHA from 100 m to 30 m.

24-hour summary: RIH with 8 1/2" BHA on 5 1/2" DP to TD. Drilled 8 1/2" hole section to 2596 m with 1. 25 SG OBM. Not able to drill ahead. POOH with 8 1/2" BHA to inspect drilling jar and xceed. OK. Performed torque test on drilling jar and xceed. OK. Changed to back-up xceed and drilling jar. RIH with 8 1/2" BHA to 303 m.