bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
00:00 - 04:30: Made up muleshoe on 3 1/2" DP and RIH to 2210m. Broke circ and got 12 gas in return at start of circulation.
04:30 - 06:00: Flow checked well, static condition. Start circ 10 min and got 38 gas in returns. Close annular and investigated frozen DP pressure gauge on choke panel. Started to circ btms up with open choke.
06:00 - 09:00: Continued circulation throug open choke. Gas reading declined to 9 opened well and circ long way until gas stabilized again at 9
09:00 - 10:00: Continued RIH to 2425m. Washed section from 2205m to 2275m prior to set CMT plug.
10:00 - 12:30: Circulated and condition mud 1,5 times hole volume. Flow checked, well static.
12:30 - 13:00: Pumped 2 m3 hi-vis pill and displaced to 2325m.
13:00 - 13:30: POOH to 2325m. Made up CMT stand w/valves and CMT line.
13:30 - 14:00: Pumped 5,9 m3 spacer with rig pump and tested CMT line to 200 bar.
14:00 - 15:30: Mix and pumped 5,4 m3 1,95 SG CMT slurry. Displaced with 6,55 m3 mud to set plug. Estimated TOC 2205m. Rotated string with 70 RPM during job.
15:30 - 16:00: POOH to 2205m.
16:00 - 17:30: Reverse out 1,2 times pipe volume, no CMT/SPACER observed. Flow checked, well static.
17:30 - 19:00: Racked back CMT stand and POOH to 2170m. Circulated btms up. MAX gas 12 declined to 2 at end of cirulation.
19:00 - 21:00: Pumped slug and POOH to 1387m.
21:00 - 00:00: Laid down 3 1/2" DP.

24-hour summary: Circulated gas level down. RIH and set kick off plug. POOH and laid down excess 3 1/2" DP and 4 3/4" DC'S
Hourly activities:
00:00 - 02:30: Continued lay down 3 1/2" DP. Total 147 jt. Rig down 3 1/2" handling equipment.
02:30 - 06:00: Laid down CMT stand. RIH and laid down 4 3/4" DC. Total 16 jt at report time.
06:00 - 07:30: Continued to lay down excess 4 3/4" DC'S, total 27 jt, CSG scraper,bit and 3 jt 5" DP due to washed out jt.
07:30 - 20:00: Made up RTTS tool and RIH. Start to get resistance at 2070m, pulled back to 2065m and set RTTS. Test 9 5/8" CSG with 180 bar, OK. POOH and laid down RTTS.
20:00 - 22:00: Slip and cut drilling line and precautionary change wash pipe on top drive. Transfered rig to well 15/9-19b at 2200 hrs.

24-hour summary: RIH and tested 9 5/8" CSG. POOH. Slip and cut drilling line while changed wash pipe. Rig transfered to well 15/9 19b at 2200 hrs.
Hourly activities:
15:00 - 00:00: Kicked-off/sidetracked 8 1/2" hole drilled from 2911 3021 m. Boosting riser clean every 3 hours while drilling.

24-hour summary: Reporting transferred from 15/9-19b. Drilled 8 1/2'' hole from 2911 to 3042 m.
Hourly activities:
00:00 - 03:30: Circulated until shakers cleaned-up boosted riser constantly for 2,5 hours. Cavings returning to surface towards last part of circulation.
03:30 - 06:00: Drilled from 3021 3042 m.
06:00 - 17:00: Drilled 8 1/2" hole from 3042 3152 m. Boosting riser every 3 hours while drilling.
17:00 - 19:00: Circ. Bottoms up boosted riser in preparation for toh.
19:00 - 00:00: POOH for bit change. Note excessive drag from 2930 2825m maximum drag 30 MT/KOP 2911m.

24-hour summary: Drilled from 3042-3152 m. Trip for bit change due to hours/revolutions. Changed-out bit RIH to drill ahead,
Hourly activities:
00:00 - 01:00: Finished POOH. Break-off bit. Checked motor-ok checked MWD screen-ok.
01:00 - 06:00: MU new 8 1/2" button bit function tested motor MWD. Serviced TDS while checking motor/mwd's scribe line. Completed MU BHA RIH to drill ahead.
06:00 - 06:30: Continued to RIH with new 8 1/2" bit to 2687 m took 15mt weight.
06:30 - 10:00: Washed/reamed from 2687 3152 m/td.
10:00 - 18:00: Drilled 8 1/2" directional hole from 3152 3220 m 10 m into ty formation. Boosted riser constantly ø 100 SPM while drilling. Rotated drillstring during entire interval.
18:00 - 19:30: Circulated bottoms up in preparation for toh constantly boosting riser cuttings still coming across shakers. Took torque weight readings for nodeco hanger reps.
19:30 - 20:00: Flow-checked hole in preparation to POOH 0,95 m3 mud back to trip tank in 30 minutes. Hole didn't stop flowing.
20:00 - 21:30: Circulated until bottoms up was 11,2 m3 below bops. S/i well SICP 0 bar after 15 minutes. Circulated bottoms up through choke/choke line ø 400 LPM. No gas seen.
21:30 - 23:00: Opened well circulated bottoms up again boosted riser. No gas seen.
23:00 - 23:30: Flow-checked 0,50 m3 mud back in 30 minutes. Hole didn't stop flowing. Agreed that hole must be returning mud that was lost via seepage.
23:30 - 00:00: Backreamed out from 3220 3177 m in preparation to run 7" liner. Pumping ø 1650 LPM on drillpipe 100 SPM/1400 LPM on riser while backreaming out at 120 RPM.

24-hour summary: Completed TIH to TD. Drilled from 3152 3220 m. Cbu flowchecked in preparation for toh-slight flow. Cbu taking bottoms up through choke cbu again no gas seen. Flowchecked still slight flow. Backreamed out of hole will backream until inside 9 5/8" casing.
Hourly activities:
00:00 - 02:00: Backreamed out from 3177 2961 m. Lost 0,75 m3 of mud on 1 stand ø 2961 m saw increase in standpipe pressure trend.
02:00 - 03:00: Circulated bottoms up lost 0,95 m3 mud while circulating. Cuttings continue to come across shakers.
03:00 - 06:00: Backreamed out from 2961 2500 m same parameters constantly boosting riser via choke line. Cuttings continue to return to shakers. Ø 2615 m had pressure increase of 10 bar reamed stand twice returned to normal. As of 0600 hrs. Had lost total of 3,4 m3 while b/r out circulating.
06:00 - 08:00: Continued to backream out from 2500 2210 m. Pulled through 9 5/8" window ø 2178 2183 m until bit depth 2163 m.
08:00 - 11:00: Circulated until shakers cleaned-up Ø 1500 LPM down drillstring constantly boosting riser ø 3075 LPM. Flowchecked hole beore POOH.
11:00 - 14:00: Continued to POOH from 2163 87 m.
14:00 - 14:30: Derrickman accidentally allowed 15 stands of 3 1/2" DP to be released from fingerboard across derrick. Had to stop POOH rack back the 15 stands.
14:30 - 15:00: Finished POOH with BHA standing back all tubulars.
15:00 - 16:00: MU nodeco cement head stood back in derrick.
16:00 - 18:00: RU to run 7" liner held safety meeting on rig floor.
18:00 - 00:00: Ran 47 jts. Of 7" 32 ppf l-80 new VAM liner to 571 m. Filling liner every 5 jts.

24-hour summary: Finished backreaming/pooh to 2163m/10 m above 9 5/8" window. Circulated until shakers were clean. Finish POOH. MU CMT. Stand. Ran 7"liner HGR.
Hourly activities:
00:00 - 04:00: Continued running 7" liner to 1094 m total of 90 jts. Ran.
04:00 - 05:00: MU nodeco 7" x 9 5/8" liner hanger into 7" liner string.
05:00 - 06:00: MU 1 STD. 5" DP onto hanger's setting tool. Circulated 1 liner volume.
06:00 - 14:30: Continued to run 7" liner on 5" DP from 1129 2849 m. Drifted DP to 2 3/4" while running filled pipe every 5 stds. Broke circ. Ø 2162 m window ø 2178 m with 380 LPM ø 31 bar PU WT 95 MT so WT 77 MT ø 2162 m. Losing mud while running 7" liner total mud lost 5,6 m3.
14:30 - 16:00: Hole tight ø 2849 m. While trying to wash down liner ø 270 LPM, hole packed-off with float shoe ø 2895 m.
16:00 - 17:00: POOH to 2829 m established circulation 340 LPM ø 38 bar. Attempted again to wash liner down hole packed-off again with float shoe ø 2878 m.
17:00 - 18:30: Worked down liner-without rotating-while trying to regain circulation. Hole packed-off again. Rotated worked down-slacking off weight of entire string-to 2901 m. While trying establish circulation held 35/40 bar below 7" shoe. Maximum torque utilized 24,ooo NM PU WT 145 MT. Unable to pass 2901 m.
18:30 - 00:00: POOH with 5" DP x 7" liner from 2901 1830 m. Had to pump-out 6 stds. Of the first 9 stds. Out due to swabbing maximum pull 172 MT. Had 14 MT additional drag while pulling shoe into 9 5/8" window flow-checked ø window for 15 minutes before continuing to POOH.

24-hour summary: Continued to run 7" liner on 5" DP from 1129 2849m. Tight hole ø 2849m lost returns when hole packed-off while trying to wash down. Worked/rotated down to 2901 m unable to pass. POOH with 7" liner.
Hourly activities:
00:00 - 01:30: Continued to POOH with 5" DP x 7" liner from 1830 1101 m.
01:30 - 06:00: RU weatherford tong. LD nodeco hanger 7" liner. 25 jts. Of liner LD ø report time 65 jts. To go.
06:00 - 14:00: Continued to POOH LD 7" liner from 810 m surface. Total of 90 jts. LD. Stood back shoe track thread-locked together.
14:00 - 17:30: MU 8 1/2" wiper trip/steerable BHA tested motor MWD. TIH to 1528m.
17:30 - 22:30: LD 27 jts. 5" DP 21 from string 6 from derrick to allow standing back additional HWDP in derrick. PU stood back 19 jts. 5" HWDP for 7" liner job.
22:30 - 00:00: Continued to RIH to 2159 m above 9 5/8" window ø 2178 m.

24-hour summary: Completed LD 7" liner. MU 8 1/2" wiper trip BHA TIH had to start working/washing/reaming ø 2746 m.
Hourly activities:
00:00 - 01:00: S/c drilline.
01:00 - 02:30: Continued to RIH from 2159 2746m. Worked past 2682m where 15 MT drag occurred.
02:30 - 04:30: Continued to TIH from 2746 2894m washing reaming when needed to pass several spots. Problems ø 2746m, 2768m, 2782m, 2783 2793m, 2846m, 2880m, 2882m 2894m.
04:30 - 05:00: While washing ø 2894m, started losing mud at shakers because of large amount of cuttings at surface. PU reduce flow-rate until shakers cleaned-up. Note cuttings back from approx. 2800-2850m shakers were blinded-over by fine solids.
05:00 - 06:00: Continued to RIH working past tight spots ø 2900m, 2914m, 2921m.
06:00 - 08:30: Continued to TIH washed/reamed from 2943 3220 m.
08:30 - 18:00: Circulated 1800 LPM ø 200 bar until shakers cleaned-up. Boosted riser ø 1500 LPM while circulating down drillstring. Total mud lost 16 m3 but excessive amount of cuttings were circulated out during the time period. Flow-checked 0,72 m3 were gained but hole did become static.
18:00 - 19:00: POOH to 3076 m. 25 MT drag ø 3090 m but able to wipe through on 2nd attempt 30 MT drag ø 3076m unable to wipe through after 3 attempts.
19:00 - 21:30: Had to utilize pump top-drive to pump-out backream-out from 3082 2827 m. Hole started swabbing ø 3028 m. Lost approx. 6,8 m3 mud while pumping-out back-reaming out,
21:30 - 22:30: Circulated bottoms-up boosted riser in attempt to clean hole/reduce mud losses while backreaming-out. Excessive amount of cuttings still coming across shakers after 1 btms-up. Lost 2,2 m3 mud while circ. final flow rate prior to stopping circ. Was 1600 LPM ø 155 bar.
22:30 - 23:30: Continued to pump b/r out from 2827 2711 m hole swabbing unless pump utilized. Losing mud when pumping b/r out lost 4,4 m3 mud. Note hole giving mud back when pump shut-down.
23:30 - 00:00: POOH from 2711 2625 m hole taking correct fill-up when pulling string.

24-hour summary: Completed TIH w/r to TD ø 3220 m. Circulated until shakers cleaned up. Attempted to POOH without pumping or backreaming-unable because of tight hole swabbing. Able to pull pipe above 2711 m. POOH to change bit BHA.
Hourly activities:
00:00 - 02:00: Continued to POOH from 2625 2162 m. 30 MT drag ø 2534 2492 m but able to wipe through on 2nd attempt through.
02:00 - 06:00: Flowchecked pumped slug bit inside of 9 5/8" CSG. POOH from 2162m to surface to change bit BHA.
06:00 - 07:00: Finished POOH with BHA. Total mud loss while toh 2,1 m3.
07:00 - 10:30: MU rotary BHA for wiper trip. Changed BHA added MWD tool to BHA.
10:30 - 14:30: TIH from 136 2100 m above 9 5/8" window.
14:30 - 15:00: Functioned tested bops from each pod weekly function test.
15:00 - 16:00: Serviced top drive. Changed-out saver sub installed mud saver sub on drilling pup. Racked same in derrick.
16:00 - 17:00: Repaired bolts on top drive.
17:00 - 19:30: Continued to RIH from 2100 3206 m 14 m of fill. Note tight spots wiped through during TIH- 2740m, 2758m, 2770m, 2795m, 2850m, 2879m. Maximum WT. Slacked-off 30 MT. Did not circulate during TIH. Total mud loss while TIH 0,9 m3.
19:30 - 23:30: POOH from 3206 2172 m above 9 5/8" window. Tight spots wiped through during toh 3185m, 3053m, 2827 2801m, 2767m, 2536m. Maximum drag over normal 30 MT. Did not circulate or rotate on toh.
23:30 - 00:00: Flowchecked while cleaning rig floor. Pumped slug&pooh from 2172-2146m.

24-hour summary: RIH to 3206 m with rotary BHA. POOH with wiper trip BHA wiper trip made. RU to run 7" liner.
Hourly activities:
00:00 - 04:30: Continued to POOH from 2146m to surface. Total mud loss while toh
04:30 - 06:00: RU to run 7" liner. Held safety meeting. MU float shoe to first jt. MU float collar ø report time.
06:00 - 16:30: Continued running 7" 32# l-80 liner total of 90 jts/1091,52m ran.
16:30 - 17:30: MU nodeco 7" x 9 5/8" liner hanger into 7" liner string. Liner WT. 38,6mt PU WT. 81,7mt so WT. 77,1 MT.
17:30 - 18:30: MU 1 STD. 5" DP onto hanger's setting tool. Circulated 1 liner volume 600 LPM 24 bar.
18:30 - 00:00: Continued to run 7" liner on 5" DP from 1131 2164m. Drifted landing string to 2 3/4" while running filled pipe every 5 stds. Broke circ. Ø 2164m window ø 2178m with 450 LPM ø 31 bar. PU WT. 100 MT so WT. 77 MT ø 2164 m. Mud loss while running liner inside of CSG. 2,5 m3.

24-hour summary: Ran 7" liner nodeco liner hanger. Continued running liner on DP HWDP to 2593 m.
Hourly activities:
00:00 - 02:00: Repaired hydraulic leak on upper racking arm burst seal for main shuttle valve source of leak.
02:00 - 03:30: Slacked-off on landing string to 2167 m had SCR failure for TDS, drawworks mud pumps. Electrician had to troubleshoot problem found burned change-over switch" replaced same.
03:30 - 06:00: Continued running 7" liner from 2167 2593 m. Note will run 285 m of 5" HWDP in landing string.
06:00 - 10:00: Continued running 7" liner from 2593 3006m. Worked through several tight spots from 2771 3006m MAX weight slacked-off 50 MT MAX overpull 75 MT also used rotation when needed/max torque 24,4k NM.
10:00 - 11:00: Lost power to drawworks.
11:00 - 11:30: Continued to TIH with 7" liner from 3006 3030 m.
11:30 - 14:30: Lost power to drawworks. Discovered problem related to drawworks' motor
14:30 - 16:00: Continued to TIH with 7" liner from 3030 3200 m unable to go below 3200 m.
16:00 - 17:00: MU CMT. Stand to DP landing string. Broke circ. No returns. Pressured up to 131 bar against plugged ball seat set liner HGR. float shoe spaced-out ø 3198m. Verified HGR. Set with 35 MT down WT. PU 25 MT released HGR. Setting tool with 8 RH turns of rotation.
17:00 - 19:00: RU CMT. Hose. Held safety meeting. Pumped 2 m3 base oil, 11,2 m3 1,60 SG spacer 500e 5,88 m3 1,80 SG CMT. Slurry. returns while pumping pre-flush or CMT.
19:00 - 21:30: Dropped dart displaced CMT. With mud ø 450 LPM. Sheared wiper plug ø 152 bar bumped plug OK. Pressured up to 180 bar for 5 minutes. Bled off pressure floats OK. RD CMT. Hose. Note displaced with 38 m3 mud total mud returns 5,5 m3.
21:30 - 22:00: Top of liner 2097m. Slacked-off 32 MT to set HGR. Packer. PU then rotated slowly slacked-off 32 MT again.
22:00 - 23:00: Started to PU to pull HGR. Setting tool to tol/2097m. While trying to stand back CMT. Stand, stand across derrick. Recovered/stood back stand.
23:00 - 00:00: Finished pulling HGR. Setting tool to 2097m tol. Circ. Btms up flushed both choke kill lines prior to testing tol.

24-hour summary: Completed running 7" liner to 3198 m. Cemented same. Tested tol 7" x 9 5/8" casing strings to 180 bar. POOH with HGR. Setting tool.
Hourly activities:
00:00 - 00:30: Tested tol 7" x 9 5/8" CSG. To 180 bar for 15 min.
00:30 - 02:30: Pumped slug POOH with HGR. Setting tool from 2097 m.
02:30 - 06:00: Continued POOH from 1380 765 m LD 7 jts. 5" HWDP. Have LD 60 jts. 5" DP on toh as of report time.
06:00 - 09:30: Completed POOH from 765 m to surface LD total of 135 jts. 5" DP on trip out of hole. LD nodeco liner hanger setting tool.
09:30 - 10:30: LD nodeco cement head associated stand of DP.
10:30 - 11:30: LD 7" shoetrack from first attempt to run liner.
11:30 - 13:00: LD 8 1/2" BHA from derrick 2 dcs, MWD tool, 2 stabilizers associated subs. Cleared excess handling equipment from rig floor.
13:00 - 14:30: RIH with jet sub below BOP test tool. Jetted wellhead for 15 minutes before landing test tool in wellhead.
14:30 - 18:00: Tested bops on yellow pod from rig floor panel-5 min. Low test/10 min. High test upper annular bar, lower annular, pipe rams failsafe valves 20/345 bar. Functioned bops on blue pod from toolpusher's office mini-panel. Subsea engineer checked bops' acoustic control system.
18:00 - 00:00: Continued to repair dolly-track system on upper racking arm had started repair work while simultaneously testing the bops. Also worked on top drive's electrical control system when work on upper racking arm allowed safe access to top drive.

24-hour summary: Completed POOH with liner hanger setting tool. LD excess tubulars from derrick. Ran test tool tested bops. Repair upper racking arm top drive.
Hourly activities:
00:00 - 06:00: Completed repair to upper racking arm's dolly-track system.
06:00 - 07:00: POOH with BOP test tool.
07:00 - 10:00: Tested 2 top drive safety valves, kelly hose, 2-5" kelly cock valves, 1-5" IBOP valve, 1-3 1/2" kelly cock valve 1-3 1/2" IBOP valve to 20/345 bar.
10:00 - 11:00: LD 1 stand of 5" HWDP with drift stuck inside pipe. PU 4 3/4" mud motor, broke-out stabilizer LD motor stabilizer.
11:00 - 12:30: MU 6" bit associated rotary BHA to drill-out 7" liner shoetrack.
12:30 - 00:00: RIH with 6" bit on 3 1/2" x 5" tapered drillstring to 3153 m. PU 15jts 3 1/2" DP while RIH. Drifted 3 1/2"-2" and 5"-2 3/4" on the way in. Located and worked past top of liner at 2093m. Had to rotate bit slowly to enter. Ran in to 3153 m.

24-hour summary: POOH with BOP test tool. Completed testing surface equipment. MU 6" rotary BHA RIH to drill-out 7" liner. Drilled shoe track and cleaned out rat hole to 3201m.
Hourly activities:
00:00 - 05:30: Washed down to and tagged wiper plug at 3167m. Drilled shoe track and firm cement to 3195m, 60-80rpm, 800lpm/100bar. 10900-16300nm torque. Had indications of float collar at 3181m. Cut MW from 1. 52 to 1. 40sg while drilling and circulating.
05:30 - 06:00: Reamed and cleaned out rat hole to 3201m. Increased pump rate in steps to 1300lpm. Boosted riser 1340lpm.
06:00 - 06:30: Completed cleaning-out 8 1/2" rathole from 3201 3220m TD. Increased flow rate on hole to 1400 LPM ø 238 bar boosted riser with 1360 LPM.
06:30 - 08:30: Circulated conditioned mud.
08:30 - 15:00: Flowchecked, pumped slug POOH.
15:00 - 17:30: MU 6" PDC bit 4 3/4" motor. Motor tested OK. PU MWD.
17:30 - 19:30: Installed probe into MWD. Had to troubleshoot problem with MWD.
19:30 - 00:00: Completed MU 6" steerable BHA. RIH on 3 1/2" DP to 1236 m.

24-hour summary: Circulated ø TD. POOH for bit/bha change. MU 6" steerable BHA tripped in hole.
Hourly activities:
00:00 - 00:30: Continued to RIH to 1370 m.
00:30 - 05:00: PU 72 jts. Of additional 3 1/2" DP while tripping-in-hole with 6" bit- to 2073 m.
05:00 - 06:00: MU 5" x 3 1/2" x/over with circulation sub above x/over continued to RIH on 5" DP. Ø report time bit depth 2400 m. Had to rotate string slowly in order to trip bit through top of liner ø 2097m.
06:00 - 06:30: Continued RIH with 5" DP to 2650m.
06:30 - 07:00: Observed well on trip tank, no losses observed.
07:00 - 08:30: Continued RIH to 3173m.
08:30 - 09:00: Precautionary washed from 3173m to 3220m.
09:00 - 21:00: Drilled from 3220m to 3317m in rotating mode.
21:00 - 23:00: Took multiple surveys at 3264 and 3294m. Obtained incomplete signals. Alternated receiving filters, signals still out of spec. Calculated good results from multiple surveys and obtained good surveys.
23:00 - 00:00: Continued drilling from 3317m to 3325m.

24-hour summary: Completed trip to change to motor and MWD BHA. Drilled to 3317m. Multiple survey takes to get survey, continued drilling in rotating mode to 3348m. Worked to get toolface readout, no success.
Hourly activities:
00:00 - 03:30: Continued drilling in rotation mode from 3325m to 3348m.
03:30 - 06:00: Obtained survey at 3321m. Attempted to get continous toolface reading no success due to MWD signal decoding problem at surface. Charged rig pump pulsation dampers to 900 psi, did not get improvement on MWD surface readout. Continuing trouble shoot MWD decoding.
06:00 - 06:30: Continued trouble shoot MWD decoding.
06:30 - 10:00: Continued drilling from 3348m to 3360m. Attempted to drill in oriented mode, no success due to weight stacked problem and subsequently motor stalling when bit hit formation.
10:00 - 11:30: Backreamed to into 7" liner shoe.
11:30 - 13:00: Circulated BTM'S up inside liner shoe.
13:00 - 14:00: Pulled out of hole with wet pipe.
14:00 - 14:30: Repaired hose on mud bucket.
14:30 - 16:00: Continued POOH to top of 7" liner.
16:00 - 17:30: Circulated BTM'S up. Flow checked and pumped slug.
17:30 - 23:00: Continued POOH to surface.
23:00 - 00:00: Installed blind sub and changed probe in MWD. Changed bit and dumped MWD memory.

24-hour summary: Attempted to drill in oriented mode, no go due to bit stalling. POOH and changed bit and probe in MWD tool. RIH to 1900m.
Hourly activities:
00:00 - 02:00: Checked scribe line. Cleaned MPR on MWD assembly. Reset probe in accordance to scribe line. Loaded MWD memory.
02:00 - 06:00: RIH to 754m, broke circ and tested MWD pulses, OK. Continued RIH with 3 1/2" DP.
06:00 - 10:00: Continued RIH with 6" drilling BHA to 7" liner shoe.
10:00 - 11:00: S/c drill line.
11:00 - 13:00: Continued RIH. Precautionary wash from 3227m to 3360m.
13:00 - 20:30: Drilled in oriented mode from 3360 3403m. Rotated from 3403 3405m attempted to orient drilling from 3405m, no succes due to weight stack up in string. No differiental pressure on bit.
20:30 - 21:30: Obtained 92 ton over pull 3 times when attempting to pull off bottom after orienting. Established rotation at neutral point. Backreamed and reamed f/3405 to 3396m with MAX 2000 NM excessive torque.
21:30 - 22:00: Took survey at 3398m. Had 61 t over pull after survey. Backreamed from 3398 to 3365m.
22:00 - 23:30: Pulled with wet pipe from 3365m to inside liner shoe at 3140m. Hole in good condition. Tricone bit revolutions 180k, on BTM 74k.
23:30 - 00:00: Pumped 10 min, flow checked, well static. Pumped slug.

24-hour summary: Completed RIH with tricone bit, orient drilled in order to turn right and increase inclination. Tight hole in cretaceous formation. Backreamed to 3365m. POOH in order to change bit and MWD.
Hourly activities:
00:00 - 06:00: POOH to surface. Checked scribe line and racked back MWD tool.
06:00 - 07:30: Continued checking the scribe line, downloaded MWD memory. Broke bit.
07:30 - 09:30: Changed out navidrill, tested motor. Made up new bit.
09:30 - 17:30: Made up BHA and RIH on 3 1/2" DP and 5" DP to 3225m. Filled string each 20 stands and tested MWD on trip in.
17:30 - 20:00: Precautionary washed and rotated from 3225m to 3405m.
20:00 - 00:00: Drilled in rotation mode from 3405m to 3432m.

24-hour summary: Change bit, navidrill and stabilizer on BHA. RIH to BTM and drilled from 3405m to 3471m.
Hourly activities:
00:00 - 06:00: Continued drilling in rotation mode from 3432m to 3471m
06:00 - 17:00: Drilled from 3471m to 3511m. Reamed every stand once before connection
17:00 - 19:00: Backreamed from 3511m to liner shoe. Circulated 10 min. Flow checked
19:00 - 21:00: Pumped slug and POOH to 2550m. Held pit drill, 3 min response time.
21:00 - 21:30: Function tested BOP using yellow pod.
21:30 - 00:00: Continued POOH, reslugged when at 3 1/2" DP.

24-hour summary: Drilled in rotation mode from 3471m to 3511m. POOH to change BHA. Function tested BOP. Continued POOH and picked up slick motor/bha. RIH
Hourly activities:
00:00 - 02:30: Continued POOH to surface.
02:30 - 03:30: Dumped memory in MWD.
03:30 - 05:00: Changed out navidrill and laid down string stabilizer. Made up slick navidrill and made up rr PDC bit. Checked scribe line. Tested navidrill
05:00 - 06:00: RIH with slick BHA.
06:00 - 12:30: Continued RIH to 3456m. Filled pipe every 20 stands.
12:30 - 13:00: Precautionary washed and rotated from 3456m to 3509m.
13:00 - 13:30: Logged with MWD from 3509m to 3511 due to BHA change.
13:30 - 00:00: Drilled from 3511m to 3575m in rotational mode. Reamed every stand in connections.

24-hour summary: Completed trip to change BHA. Drilled from 3511 to 3603m.