bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
00:00 - 02:15: Continued to repair earth connections on aft PRS using riding belt.
02:15 - 03:00: Greased aft PRS.
03:00 - 03:45: Held tool box talk for calibration test of aft PRS. Meanwhile de-isolated PRS/DW/TDS. Calibrated blocks and draw work.
03:45 - 06:00: Ran ZMS checks on aft PRS TDS aft iron roughneck FWD PRS HTS PDM.
06:00 - 09:15: Ran ZMS checks on aft PRS TDS aft iron roughneck FWD PRS HTS PDM. Modified, installed and adjusted bumper bar on aft PRS.
09:15 - 12:45: Held tool box talk prior to handling BHA. Lo 12 1/4" BHA from derrick to deck. Cleaned and tidied rig floor.
12:45 - 19:15: Held tool box talk prior to PU 8 1/2" BHA. PU and MU 8 1/2" BHA from surface to 68 m. Installed radioactive source. PU and MU 8 1/2" BHA from 68 m to 165 m.
19:15 - 20:00: Changed to ps21 and cleared rig floor.
20:00 - 22:30: RIH with 8 1/2" BHA from 165 m to 458 m on 5" DP in singles. Experienced problems with fingerboard respons on finger opening function).
22:30 - 23:45: RIH with 8 1/2" BHA from 458 m to 581 m on 5" DP. Had problems with elevator locking mechanism.
23:45 - 00:00: Broke circulation and filled pipe. Tested schlumberger MWD tools.

24-hour summary: None
Hourly activities:
00:00 - 00:30: Observed 0. 75 bar drop 25 in 10 min on fit. Pressure levelled out. 367 ltrs pumped and 347 ltrs bled back. Downhole reading from schlumberger equivalent to 1,613 SG.
00:30 - 01:30: RD TIW, pump-in sub and CMT hose. Opened BOP pipe ram. Lined up for drilling. Pumped down hole and took survey at 2440 m.
01:30 - 02:30: RIH with 8 1/2" BHA from 2440 m to 2514 m on 5 1/2 DP. Performed kick drill 55 sec. MU TDS and broke circulation. Staged up pumps and washed down to 2539 m, flow 2200 LPM SPP 235 bar string RPM 40 TQ 8-10 KNM. Up weight 142 MT down weight 121 MT free rotation weight 130 MT.
02:30 - 06:00: Sat power drive as per DD instructions. Drilled 8 1/2" hole from 2539 m to 2591 m. Parameters flow 2200 LPM SPP 242-252 bar string RPM 40 bit RPM 209 TQ 10-12 KNM ROP 19-25 m/hr. Mud weight 1. 34-1. 35 SG.
06:00 - 18:45: Drilled 8 1/2" hole from 2591 m to 2883 m. Parameters flow 2200 LPM SPP 241-246 bar string RPM 80 bit RPM 209 TQ 12-15 KNM ECD 1. 46-1. 47 EMW ROP 20-45 m/hr. Mud weight 1. 35 SG. Started adding LCM according to plan 30 m above ty formation.
18:45 - 19:15: Had 8 m3/hr losses in ty formation at 2880-2883 m. Pulled off BTM and flow checked well static. OK.
19:15 - 21:30: Staged up pumps to establish loss free rate. Meanwhile continued adding LCM chemicals to active and prepared 150 kg/m3 LCM pill in pit according contingency plan. Monitored losses while pumping and reciprocating pipe, flow 440 LPM SPP 25 bar string RPM 10 TQ 9-10 KNM. Average loss rate 1000 ltrs/hr.
21:30 - 23:15: Lined up and pumped 5 m3 LCM pill at 440 LPM. Spotted pill on TD at 2883 m. Pulled back one stnd to 2843 m while pumping the LCM pill out of the BHA.
23:15 - 23:45: Let LCM pill settle/soak. Monitored well on trip tank and rotated string with 5 RPM. No losses observed.
23:45 - 00:00: RIH with 8 1/2" BHA to TD at 2883 m.

24-hour summary: Drilled 8 1/2" hole from 2591 m to 2883 m MD. Had 8 m3/hr losses in ty formation. Flow checked well static. Pumped and spotted 5 m3 LCM pill on TD. Staged up flow rate to 1200 LPM and had a loss of 1 m3/hr. Increased flow rate to 1400 LPM and had 6 m3/hr losses. Reduced flow rate to 600 LPM with a loss of 1 m3/hr while preparing second 5 m3 LCM pill.
Hourly activities:
00:00 - 04:00: Circulated btms up at 440 LPM while monitoring for losses. Increased flow rate in steps of 200 LPM to 1200 LPM. Had losses 1-1. 5 m3/hr. Increased flow rate to 1400 LPM and had losses 6 m3/hr.
04:00 - 05:30: Reduced flow rate to 600 LPM and monitored losses of 1 m3/hr while preparing second LCM pill with 200 kg/m3. Reciprocated string.
05:30 - 06:00: RIH with 8 1/2" BHA to TD at 2883 m. Lined up and pumped 5 m3 LCM pill at 600 LPM.
06:00 - 07:15: Continued pumping 5 m3 LCM pill at 600 LPM at TD. Pulled off BTM and flow checked well. Static.
07:15 - 09:45: POOH with 8 1/2" BHA from 2842 m to 2735 m top of pill). Circulated, flow 600 LPM SPP 34 bar string RPM 5 TQ 8 KNM.
09:45 - 10:45: Pumped 4 m3 200 kg/m3 LCM pill, flow 600 LPM SPP 34 bar string RPM 5 TQ 8 KNM. Spottet pill on top of previous pill to cover all of ty formation.
10:45 - 13:15: POOH with 8 1/2" BHA from 2735 m to 2670 m top of ty formation). Staged up pumps to 1330 LPM and had 1 m3/hr losses that gradually was reduced down to zero.
13:15 - 16:00: Circulated and reciprocated pipe from 2670 m to 2641 m flow 1000 LPM SPP 66 bar string RPM 5 TQ 5-7 KNM. Prepared for reducing mud weight down to 1. 30 SG. Total loss since starting to loose mud on this section was approx 19 m3.
16:00 - 19:15: Bled into active to reduce mud weight from 1. 35 SG to 1. 30 SG. Meanwhile rotated and reciprocated pipe from 2670 m to 2641 m flow 1000 LPM SPP 66 bar string RPM 5 TQ 5-7 KNM.
19:15 - 22:00: Staged up flow rate in 200 LPM increments to 1800 LPM above top LCM pill and monitored for losses. Had 1 m3/hr loss at 1600 LPM and 0. 5 m3/hr loss at 1800 LPM.
22:00 - 23:00: Lined up to trip tank and RIH from 2670 m to TD at 2883 m.
23:00 - 00:00: Broke circulation and staged up flow rate to 600 LPM whilst displacing out LCM pill to skip. Had 0. 5 m3/hr losses.

24-hour summary: Pumped and spotted a second 9 m3 LCM pill at TD. POOH to 2670 m of LCM pill) displaced well to 1. 30 SG OBM. Staged up pump rate to 1800 LPM. Shut off pumps and RIH to TD. Staged up flow rate to 1800 LPM to be able to continue drilling.
Hourly activities:
00:00 - 02:00: Staged up flow rate in 200 LPM increments to 1000 LPM while continuing to displace out LCM pill. Had 0. 5 m3/hr losses at 1000 LPM.
02:00 - 05:00: Staged up flow rate in 200 LPM increments from 1000 LPM to 1800 LPM. Meanwhile rotated and reciprocated pipe from 2883 m to 2855 m. Had 0. 5-1. 0 m3/hr losses at all flow rates. Up weight 152 MT down weight 127 MT free rotation weight 138 MT RPM).
05:00 - 06:00: Made connection. Staged up pump rate slowly to 1800 LPM. Started drilling 8 1/2" hole at 2883 m. Parameters flow 1800 LPM SPP 166 bar string RPM 80 bit RPM 218 TQ 10-12 KNM ROP 10 m/hr. Mud weight 1. 30 SG.
06:00 - 07:15: Drilled 8 1/2" hole from 2883 m to 2893 m. Parameters flow 1800 LPM SPP 167 bar string RPM 80 bit RPM 218 TQ 10-16 KNM 1-2 MT wob ECD 1. 38 EMW ROP 10 m/hr. Mud weight 1. 30 SG.
07:15 - 08:00: Stopped drilling due to 6 m3 losses/10 min. Discovered loss to be at shakers while changing screens. Changing screens was not communicated to drill floor.
08:00 - 08:30: Staged up pump rate slowly to 1800 LPM to start drilling ahead.
08:30 - 11:00: Drilled 8 1/2" hole from 2893 m to 2915. Parameters flow 1800 LPM SPP 164 bar string RPM 80 bit RPM 218 TQ 11-13 KNM 2-5 MT wob ECD 1. 38 EMW ROP 10 m/hr. Mud weight 1. 30 SG.
11:00 - 12:45: PU off BTM and reduced flow rate due to heavy losses of 36 m3/hr. Circulated at 450 LPM and staged up to find loss free rate at flow 550 LPM SPP 23 bar string RPM 5 TQ 5-6 KNM.
12:45 - 14:00: Pumped 5 m3 300 kg/m3 LCM pill at 550 LPM and spotted on BTM/TD.
14:00 - 15:15: POOH with 8 1/2" BHA from 2915 m to 2775 m top of LCM pill).
15:15 - 21:00: Staged up pumps in 200 LPM increments to 1800 LPM above top LCM pill at 2775 m. Had 0. 7 m3/hr losses at 1800 LPM.
21:00 - 22:00: Lined up to trip tank. Flow checked well. Static. RIH from 2775 m to TD at 2915 m.
22:00 - 00:00: Broke circulation at 2914 m and staged up pumps in 200 LPM increments to 1000 LPM while rotating pipe.

24-hour summary: Drilled 8 1/2" hole from 2883 m to 2915 m MD. Pumped and spotted a third 5 m3 LCM pill at TD due to heavy losses of 36 m3/hr. POOH to 2775 m of LCM pill). Staged up pump rate to 1800 LPM. Shut off pumps and RIH to TD. Staged up flow rate to 1800 LPM to be able to continue drilling. Drilled 8 1/2" hole from 2915 m to 2932 m MD.
Hourly activities:
00:00 - 03:00: Continued staging up pumps in 200 LPM increments from 1000 LPM to 1800 LPM while rotating and reciprocating pipe slowly. Had 0. 5 m3/hr losses at 1800 LPM.
03:00 - 06:00: Drilled 8 1/2" hole from 2915 m to 2932 m. Parameters flow 1800 LPM SPP 155-160 bar string RPM 80 bit RPM 218 TQ 10-11 KNM 1-5 MT wob ECD 1. 38 EMW ROP 2-10 m/hr. Mud weight 1. 30 SG.
06:00 - 20:00: Drilled 8 1/2" hole from 2992 m to 3029 m. Parameters flow 1800 LPM SPP 157-188 bar string RPM 80 bit RPM 218 TQ 11-18 KNM 1-9 MT wob ECD 1. 38 EMW ROP 2-10 m/hr. Mud weight 1. 30 SG.
20:00 - 00:00: Drilled 8 1/2" hole from 3029 m to 3051 m. Parameters flow 2000 LPM SPP 190-207 bar string RPM 100 bit RPM 254 TQ 12-15 KNM 10-12 MT wob ECD 1. 39 EMW ROP 4-10 m/hr. Mud weight 1. 30 SG.

24-hour summary: Drilled 8 1/2" hole from 2932 m to 3090 m MD. Circulated btms up to clean hole before POOH to take pressure points.
Hourly activities:
00:00 - 01:45: Drilled 8 1/2" hole from 3051 m to 3058 m. Parameters flow 2000 LPM SPP 188-209 bar string RPM 100 bit RPM 254 TQ 12-15 KNM 6-12 MT wob ECD 1. 39-1. 40 EMW ROP 4 m/hr. Mud weight 1. 30 SG. Had stick slip of more than 200
01:45 - 03:15: Worked with string RPM, ROP and wob while drilling ahead from 3058 m to 3070 m to reduce stick slip. Parameters flow 2000 LPM SPP 195-220 bar string RPM 80-100 bit RPM 219-254 TQ 11-20 KNM 6-14 MT wob ECD 1. 40 EMW ROP 2-20 m/hr. Mud weight 1. 30 SG. Observed 0. 49 connection gas. Stick slip was found to be constant at 190 regardless of RPM, wob and ROP.
03:15 - 05:00: Drilled 8 1/2" hole from 3070 m to 3090 m. Parameters flow 2000 LPM SPP 197-210 bar string RPM 100 bit RPM 254 TQ 12-16 KNM 10-12 MT wob ECD 1. 40 EMW ROP 10-15 m/hr. Mud weight 1. 30 SG. Observed 0. 34 connection gas.
05:00 - 06:00: Circulated btms up while reciprocating pipe to clean hole before POOH to take pressure point. Flow 2000 LPM SPP 186 bar string RPM 100 bit RPM 254 TQ 12 KNM. Mud weight 1. 30 SG.
06:00 - 08:00: Continued circulating 2. 5 x btms up while reciprocating pipe to clean hole before POOH to take pressure point. Flow 2000 LPM SPP 178 bar string RPM 100 bit RPM 254 TQ 11-14 KNM. Mud weight 1. 30 SG.
08:00 - 09:30: Held tool box meeting prior to performing logging and taking pressure points. Logged out of hole from 3081 m to 3060 m at 20 m/hr. Up weight 155 MT down weight 123 MT.
09:30 - 10:15: POOH with 8 1/2" BHA from 3060 m to 3010 m.
10:15 - 11:00: Performed stick test at 3010 m with pumps on, flow 2000 LPM SPP 176 bar. Pulled up to 3006 m and took first pressure point at 2608 m TVD depth), flow 2000 LPM SPP 221 bar. Formation pressure was 0. 86 SG.
11:00 - 11:30: POOH with 8 1/2" BHA from 3006 m to 2947 m. Up weight 157 MT down weight 122 MT.
11:30 - 12:45: Took second pressure point at 2583 m TVD depth), flow 2000 LPM SPP 218 bar. Performed down link. Formation pressure was 0. 86 SG.
12:45 - 13:30: RIH with 8 1/2" BHA from 2946 m to 3083 m.
13:30 - 14:00: Established drilling parameters prior to drilling ahead. Washed down from 3083 m to 3090 m, flow 1100 LPM SPP 66-71 bar.
14:00 - 00:00: Drilled 8 1/2" hole from 3090 m to 3180 m. Flow 1800-2000 LPM SPP 171-214 bar string RPM 100-160 bit RPM 254-299 TQ 13-24 KNM wob 7-15 MT ECD 1. 40 EMW ROP 10-24 m/hr. Mud weight 1. 30 SG. Performed fingerprint measurements while drilling from 3090 m to 3097 m at 14 30 16 00 and from 3168 m to 3183 m at 23 00 00 30.

24-hour summary: Circulated 2. 5 btms up to clean hole. Logged out of hole from 3081 m to 3060 m. POOH with 8 1/2" BHA from 3060 m to 3010 m depth). Performed stick test 5/15 min at 3010 m. Pulled up and took pressure points at 2947 m depth) and 2888 m MD depth). RIH with 8 1/2" BHA from 2948 m to 3090 m. Continued drilling 8 1/2" hole from 3090 m to 3272 m MD.
Hourly activities:
00:00 - 06:00: Drilled 8 1/2" hole from 3180 m to 3272 m. Flow 2000 LPM SPP 213-222 bar string RPM 100 bit RPM 254 TQ 13-23 KNM wob 10-13 MT ECD 1. 40-1. 41 EMW ROP 20 m/hr. Mud weight 1. 30 SG. Added 8 m3 of baralube to active at 00 30. Performed fingerprint measurements while drilling from 3319 m to 3231 m at 02 30 03 30.

24-hour summary: Drilled 8 1/2" hole from 3272 m to 3569 m.
Hourly activities:
00:00 - 06:00: Drilled 8 1/2" hole from 3488 m to 3569 m. Flow 2000 LPM SPP 213-218 bar string RPM 100 bit RPM 254 TQ 14-24 KNM wob 10-15 MT ECD 1. 41 EMW ROP 20 m/hr. Mud weight 1. 30 SG. Up weight 170 MT down weight 127 MT free rotational weight 143 MT. Pulled off BTM due to rapide increase in SPP from 215 bar to 230 bar at 3498 m. Had SPP of 190 bar off BTM. Lost communication to c-link at 3548 m.
06:00 - 19:00: Drilled 8½" hole from 3569 m to 3655 m. Flow 2000 LPM SPP 209-222 bars string RPM 80-100 bit RPM 236-254 TQ 10-23 KNM wob 13-16 MT ECD 1. 41-1. 45 EMW ROP 5-12 m/hr. Mud weight 1. 30-1. 35 SG. Up weight 170 MT down weight 127 MT free rotational weight 143 MT. Increased the mud weight in steps from 1. 30 to 1. 35 SG. When weighing up the mud. Observed loses of 4m gradually reduced to 0 when drilling ahead.
19:00 - 20:45: Drilled 8½" hole from 3655 m to 3670 m. Flow 2000 LPM SPP 220-230 bar string RPM 80 bit RPM 236 TQ 14-17 KNM wob 10-14 MT ECD 1. 45-1. 46 EMW ROP 3-13 m/hr. Mud weight 1. 35 SG. Up weight 170 MT down weight 127 MT free rotational weight 143 MT.
20:45 - 00:00: Circulated hole clean reciprocating the string. 2000 LPM SPP 203 bars.

24-hour summary: Drilled 8½" hole from 3569 m to 3670 m. Circulated hole clean and flow checked well. POOH to 3243m. 5½" DP STD got bent in finger board. Commenced securing the stand.
Hourly activities:
00:00 - 00:15: Continued circulating the hole clean at 2000 LPM SPP 203 bars.
00:15 - 01:00: Performed flow check to static well, with slow rotation 5 RPM.
01:00 - 02:45: POOH 5 STD 5½" DP wet from 3670 m to 3403 m.
02:45 - 03:15: Pumped 5 m 1. 75 SG slug.
03:15 - 04:15: Continued to POOH with 5½" DP form 3403 to 3243 m. Attempted setting 5½" DP STD in finger board. Pipe did not enter the finger board and got bent.
04:15 - 06:00: Investigated the 5½" DP STD and prepared securing of the 5½" DP STD. Performed SJA and commenced securing of the 5½" DP STD. Simultaneously reciprocated and rotated the string 10 RPM.
06:00 - 07:00: Secured bent 5½" DP STD in finger board. Inspected the aft PRS.
07:00 - 09:30: Held tool box talk with day shift and continued to POOH with 8½" BHA on 5½" DP from 3243 m to 2519 m into the 9 5/8" shoe.
09:30 - 10:00: Flow checked well static. Performed kick drill 45sec. Serviced the TDS.
10:00 - 10:45: Flushed choke kill line through BOP. Meanwhile serviced inspected the TDS.
10:45 - 12:15: Continued to POOH with 8½" BHA on 5½"dp from 2519m to 1792m.
12:15 - 12:45: Held tool box talk and changed to 5" DP handling equipment. Laid out x/o.
12:45 - 15:30: Continued to POOH with 8½" BHA on 5" DP from 1792m to 165 m.
15:30 - 16:15: Flow checked well static. Meanwhile checked dies on FWD PRS, removed PS 21 slips.
16:15 - 19:15: Held tool box talk and started to lay out 8½" BHA. Cleared cleaned drill floor. Prepared removed radio active source from ecoscope tool.
19:15 - 22:30: Held tool box talk with night shift and continued laying out 8½" BHA.
22:30 - 22:45: Cleared drill floor. Held tool box talk prior to lay out bent 5½" DP STD.
22:45 - 00:00: Laid out bent 5½" DP.

24-hour summary: None
Hourly activities:
00:00 - 03:15: Picked up jet sub. Ran in and jet washed the BOP. Picked up the test plug. RIH and jet washed the WH. Landed of test plug.
03:15 - 04:00: Held tool box talk prior to perform BOP test. Made up pup jnt and swadge to TDS.
04:00 - 06:00: Started pressure testing of the BOP 345 bars.
06:00 - 11:15: Continued to pressure test bops as per procedure, 30/345 bars 5/ 10 mins. Meanwhile pressure tested upper lower ibops kelly hose.
11:15 - 12:15: Left drill floor due to exhaust levels 60 ppm), monitor area until clear reading on sensors.
12:15 - 14:00: Held tool box talk and broke test assembly from TDS, laid out same.
14:00 - 14:30: Checked dies on PRS, cleaned cleared drill floor prior to pick up BHA BX elevator not operating probably.
14:30 - 15:00: Changed out BX elevators due to latching problem, back up set would not work, installed original elevator investigated problem with latch.
15:00 - 17:30: Held tool box talk and started to pick up 8½" BHA.
17:30 - 18:15: Held tool box talk and loaded the radio active source to ecoscope assembly.
18:15 - 20:45: Changed BX inserts to 5" DP. Continued to RIH with 8½" BHA to 180m.
20:45 - 21:00: Changed out master bushing to PS 21 slips.
21:00 - 23:00: Continued to RIH with 8½" BHA on 5" DP from 180m to 992m.
23:00 - 00:00: Made up x-over to 5½". Filled the DP, staged up pumps until static active volume was established, prior to test of MWD.

24-hour summary: None
Hourly activities:
00:00 - 01:30: Staged up pumps until communications with MWD tool was established, required 2 mud pumps, 1730 l/m.
01:30 - 03:30: Continued to RIH with 8½" BHA on 5" DP from 992m to 1980m. Filling the DP every 10 STD.
03:30 - 04:00: Held tool box talk and installed x-over to 5½''. Filling the DP. Changed inserts in elevators and ps21.
04:00 - 05:30: Continued to RIH with 8½" BHA on 5½" DP from 1890m to 2534 m. Filling the DP every 10 STD.
05:30 - 06:00: Changed out ps21 slips to master bushing. Prepared for changing out the wash pipe.
06:00 - 07:00: Trouble shoot problem to activate permit, sap system down.
07:00 - 09:00: Started changing out wash pipe.
09:00 - 09:45: Continued to change out wash pipe.
09:45 - 12:00: Removed TIW valve. Made up to TDS, broke circulation and circulated bottoms up at shoe. Staged up pump rate in 10 SPM increments, while monitoring for losses. Meanwhile made up TIW grey valves rigged up for pressure testing. Stopped rotation, serviced aft PRS, TDS and travelling block.
12:00 - 12:30: Continued to circulate with flow rate at 1600l/m while servicing the TDS travelling block.
12:30 - 12:45: De-isolated equipment PRS/TDS. Monitored well on trip tank, observed increase in trip tank.
12:45 - 13:30: Shut well in, standpipe press 0 SICP 0, opened choke and flow checked. Measured returns with decreasing trend.
13:30 - 13:45: Lined up and flushed across BOP, opened upper pipe rams.
13:45 - 14:30: Flow checked on trip tank. Meanwhile held tool box talk and installed PS-21 slips.
14:30 - 18:30: Continued RIH from 2532mt to 3581m filling the pipe every 10 STD.
18:30 - 21:30: Broke circulation, staged up flow rate RPM in 10 SPM increments monitored for losses. Established loss free circulation rate to 1700 l/m 20 RPM SPP 160 bars. Added 3 sacks/ hour of LCM.
21:30 - 22:15: Took survey at 3616m.
22:15 - 23:30: Continued to RIH while logging to 3632m, 30 m/hour, 1500 l/m, 60 RPM increased to 120 RPM due to stick slip, MAX ECD 1. 46 SG EMW. Got downhole losses 12 m Stopped RIH, cut back pumps and RPM.
23:30 - 00:00: Started to establish loss free pump rate.

24-hour summary: Changed out the wash pipe. Serviced TDS. Continued RIH with 8½", BHA logged down from 3581m to 3660m. Curculate and conditioned mud.
Hourly activities:
00:00 - 00:30: Continued to establish pump rate 1500 l/m and 80 RPM with losses, 3-4 m
00:30 - 02:15: RIH while logging from 3626 m to 3660m at 20 m/hour, 80 RPM, 1500 l/m, MAX ECD 1. 46 SG EMW. Losses increased to 8m and SPP picked up. Mud weight in return uneven, MAX 1. 38 SG.
02:15 - 06:00: Conditioned the mud weight to 1. 35 SG with 800-1000 l/m, 52-62 bars SPP, 10 RPM.
06:00 - 07:00: Conditioned the mud weight to 1. 35 SG with 800 l/m, 52 bars SPP, 10 RPM.
07:00 - 09:00: Continued to condition mud, attempted to stage up pump rate. Monitored for losses, average losses 3½ m 1300 LPM.
09:00 - 11:30: Lined up pit pump 8½ m LCM pill. Staged up flow rate to 1300 LPM monitored loss rate. Circulated LCM pill out of hole to skips. Average losses 3½ m Meanwhile prepared equipment for pulling wet.
11:30 - 14:00: Flow checked well, observed rapid increase to trip tank, shut in well on upper rams, monitored pressure built up SIDP 0bar installed), SICP 6,7 bars. 11 50 bled off approx 1m from well and closed in, SICP 5,0 bar no pressure built up. 12 18 bled off additional 2. 75 m from well and closed in, SICP 3,2 bars no pressure built up. As no pressure built up to original SICP was observed, conclusion is supercharged formation. Continued to bleed off from well, observed decreasing trend in flow back and decided to open BOP. Total volume bled back from well 4½ m
14:00 - 19:00: Flushed across BOP prior to open up pipe ram. Broke circulation, staged up to 20 RPM, staged up mud pumps to 800lpm. Decided to cut mud weight. Bled into active to reduce mud weight to 1. 32 SG. Circulated to even mud weight. Total losses approx. 5½ m
19:00 - 20:45: Continued to circulate and condition mud to even mud weight 1. 32 SG.
20:45 - 21:00: Stopped pumps and monitored return flow. Active volume increased 2. 45 m when pumps turned off.
21:00 - 23:30: Monitored returns on trip tank rotating the string 5 RPM. Flow reducing over time. Table below. Time actual gain gain 21. 00-21. 15 0. 51 m 2. 04 m 21. 15-21. 30 0. 51 m 2. 04 m 21. 30-21. 45 0. 20 m 0. 80 m 21. 45-22. 00 0. 13 m 0. 52 m 22. 00-22. 15 0. 09 m 0. 36 m 22. 15-22. 30 0. 08 m 0. 32 m 22. 30-22. 45 0. 06 m 0. 24 m 22. 45-23. 00 0. 04 m 0. 16 m 23. 00-23. 15 0. 03 m 0. 12 m 23. 15-23. 30 0. 03 m 0. 12 m
23:30 - 00:00: Started to POOH wet from 3640m to 3540m.

24-hour summary: Conditioned mud weight to 1. 35 SG. Attempted to stage up pump rate. Average losses 3½ m 1300 LPM. Conditioned mud weight to 1. 32 SG. Flow checked. POOH to 2922m and spotted 10. 2 m LCM pill. Started to POOH from 2922m to 2655m.
Hourly activities:
00:00 - 03:00: Continued to POOH wet from 3540m to 2922m. Made up to TDS.
03:00 - 04:15: Pumped LCM pill 10. 2 m 335kg/m displaced with 1. 32 SG mud 30 m at 800 l/m.
04:15 - 06:00: Started to POOH wet from 2922m to 2655m. Well stable as pulling out.
06:00 - 07:00: Continued to pull out to 2649m. Staged up flow rate in increments to establish loss free rate, with 5 RPM on string.
07:00 - 14:30: Continued to stage up flow rate to 1750 LPM, to establish loss free rate. Staged up RPM from 10 to 160, continued monitoring for losses. Initial loss rate 3. 7m at 1750l/m. Observed decrease in loss rate while stepping up RPM from 100 to 160. Final loss rate 800 LPM at 1750 LPM 160 RPM with decreasing trend, total losses 12. 3m Final ECD 1. 29 SG EMW. Staged down flow rate RPM in increments of 10 SPM 10 RPM.
14:30 - 15:30: Flow check prior to RIH.
15:30 - 19:15: Broke off TDS, RIH from 2654m to 3660m filling every 10 stds. No losses downhole.
19:15 - 23:15: Staged up pumps to 1000 l/m, circulated out LCM pill. Staged up RPM to 30. Circulated two times bottoms up. MAX ECD 1. 37 SG EMW. Time actual loss m loss m 19,45-20,00 0,56 2,24 20,00-20,15 1,87 7,48 20,15-20,30 1,79 7,16 20,30-20,45 1,55 6,2 20,45-21,00 1,5 6 21,00-21,15 0,1 0,4 21,15-23,15 0,8 0,4
23:15 - 00:00: 2315-0000 staged up pumps 1100 1300 LPM at RPM 30, for drilling parameters. Observed loss rate. LCM pill still coming over shakers. ECD at 1300 LPM 1. 38 SG EMW. Time actual loss m loss m 23,15-23,30 1,5 6 23,30-23,45 0,25 1 23,45-00,00 0,24 0,96

24-hour summary: At 2649m established 1750 LPM circulation with 800 litres losses, decreasing trend. Circulated out LCM pill at 1000 LPM. RIH and started drilling 8½" hole from 3670 m to 3682,5m.