bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
00:00 - 02:00: RIH 26 5 1/2" DP stands from derrick
02:00 - 02:45: Installed sponge balls, made up TDS and circulated 3x string volume w/ 2500 l/min, 29 bar
02:45 - 04:15: POOH stands and racked same
04:15 - 05:00: Cleanend and cleared rig floor, changed handling gear
05:00 - 05:15: Performed pre- job meeting for handling BHA
05:15 - 07:00: P/u and m/u BHA as per baker DD instructions. Broke out 8 3/8" flex stab from ass stearing head. P/u module and changed bit.
07:00 - 07:15: Performed pre-job meeting with upcoming shift
07:15 - 08:15: P/u and m/u BHA in modules as per baker DD instructions
08:15 - 09:45: Plugged into tools and verified same, took scribe line from ontrak to testrak. M/u x/o, float sub and string stab.
09:45 - 10:30: Placed barriers, made announcement for handling radioactive sources. RPS installed sources.
10:30 - 11:15: Continued p/u and m/u BHA as per baker instructions
11:15 - 11:30: Installed PS 21 slips
11:30 - 12:45: RIH w/ 8 1/2" BHA on 5 1/2" DP from 198 m to 1000 m Avg. Tripping speed 641 m/hr.
12:45 - 13:30: Filled pipe and tested MWD tools w/ 2180 LPM and 118 bar.
13:30 - 14:15: Continued RIH with 5 1/2" DP from 1000 m to 1814 m.
14:15 - 14:30: Filled pipe at 1814 m.
14:30 - 15:15: RIH 5 1/2" DP from 1814 m to 2539 m Avg. Tripping speed 967 m/hr.
15:15 - 16:30: Filled pipe, washed from 2539 m to 2592 m w/ 1770 l/min, 90 bar, 30 RPM, 8 KNM. Tagged cement with 2 tons, soft cement.
16:30 - 20:30: Circulated and conditioned mud w/ 2450 l/min, 180 bar. Reduced MW from 1,32 SG to 1,28 SG. Reciprocated string while circ. Flushed all surface lines and took SCR with new mud weight. Meanwhile isolated and serviced all drillfloor equipment.
20:30 - 21:00: M/u next stand and washed in through soft cement from 2592 m to 2598 m, 1800 LPM, 95 bar, 60 RPM, 8 KNM. Firm cement at 2598 m, 5 ton wob. Pulled back into shoe to confirm string free.
21:00 - 21:30: Drilled cement from 2598 m to 2601 m, wob 2-3 tonne. 1800 l/min, 95 bar. 60 RPM 8 15 KNM.
21:30 - 22:00: Reamed back through shoe, broke out double and racked same. M/u new stand to enable continues kick-off
22:00 - 22:30: Reamed to bottom at 2601 m w/ 1800 l/min, 95 bar, 60 RPM, 8 12 KNM. Observed string stall and pressure increase to 200 bar. Not able to rotate and circulate, pressure increases immediatly.
22:30 - 23:00: Stuck with flex stab in 13 3/8" shoe, stab 5 m behind bit. Attempted to free string and regaining circulation by working 40 KNM torque in string and keeping 60 bar pressure on string. Pressure dropping off and flow reported in flowline.
23:00 - 23:30: Worked torque out of string and took 100 t overpull to 150 t hockload. Attempted to cock jar down and pick up to 250 ton, jar did not fire. Attempted to cock jar and picked up to 300 ton on hook t overpull). String was observed to be free. Pulled back into CSG shoe.
23:30 - 00:00: Worked string above shoe to clear BHA with 2500 LPM, 161 bar, 120 RPM, 6 15 KNM

24-hour summary: P/u, m/u 8 1/2" drilling BHA and RIH reduced MW from 1,32 SG to 1,28 SG drilled cement in casing and rathole freed stuck string
Hourly activities:
00:00 - 01:30: Worked string in steps through shoe from 2592 m to 2601 m with 2500 LPM, 161 bar, 120 RPM, 6-25 KNM. String attempted to stall several time while working rathole. Oberserved pressure spikes while going to bottom. Worked area several times. Drilled to 2602 m.
01:30 - 03:00: Started to kick off from 2602 m. Send downlink to set tool in hold mode. Drilled from 2602 m to 2610 m, 2000 LPM, 113 bar, 80 RPM, 8 12 KNM, 2 4 tons wob, controlled ROP 5 m/h.
03:00 - 05:00: Sent downlink to increase build force. Drilled 8 1/2" hole from 2610 m to 2620 m, wob 4 tonne. 2000 l/min/ 116 bar. 80 RPM 8 12 KNM. Controlled ROP 7 m/h. 50 formation at 2620 m. Last report on f-1 continue to report on f-1a

24-hour summary: Worked and reamed shoe and rathole. Commenced kick off to f-1a
Hourly activities:
05:00 - 07:00: Drilled and oriented 8 1/2" hole from 2620 m to 2632 m, controlled ROP 10 m/hr. Wob 5 12 tonne. 2000 l/min/ bar. 80 RPM 8 12 KNM. Started bleeding in LCM premix, 4m3 per stand for drilling ty fm.
07:00 - 09:00: Drilled and oriented 8 1/2" hole through ty fm. From 2632 m to 2673 m, average ROP 20 m/hr. Wob 5 12 tonne. 2000 2400 l/min/ 143 170 bar, ECD 1,34. 80 140 RPM 11 22 KNM. Increased RPM after top stab out of casing shoe. Bleed in LCM premix as per plan to maintain particle concentration.
09:00 - 12:30: Drilled and oriented 8 1/2" hole through ty fm. From 2673 m to 2771 m maintaining constant drilling parameters and bleeding in LCM premix, average ROP 28 m/h. Wob 5 12 tonne. 2400 l/min/ 170 175 bar. 140 RPM 12 20 KNM. ECD 1,36 SG
12:30 - 17:00: Drilled and oriented 8 1/2" hole in shetland gp. From 2771 m to 2857 m, average ROP 19 m/hr. Wob 5 12 tonne. 2400 l/min/ 175 bar. 140-160 RPM 12 25 KNM. ECD 1,37. Increased RPM to 160 to combat high stick slip.
17:00 - 17:15: Took SCR
17:15 - 19:00: Drilled and oriented 8 1/2" hole in shetland gp. From 2857 m to 2892 m, average ROP 20 m/hr. Wob 10 12 tonne. 2400 l/min/ 175 bar. 160 RPM 11 26 KNM. ECD 1,37. Added four sacks baracarb 50/150 and steelseal 100/400 per stand to maintain LCM background concentration.
19:00 - 00:00: Drilled and oriented 8 1/2" hole in shetland gp. From 2892 m to 3004 m, average ROP 22 m/hr. Wob 10 14 tonne. 2400 l/min/ 175 178 bar. 160 RPM 12 25 KNM. ECD 1,37 1,38 SG. Added four sacks baracarb 50/150 and steelseal 100/400 per stand to maintain LCM background concentration.

24-hour summary: Kicked off well from f-1 drilled and steered 8 1/2" section to 3004 m MD.
Hourly activities:
00:00 - 03:00: Drilled and oriented 8 1/2" hole from 3004 m to 3070 m, average ROP 22 m/h wob 5 12 tonne. 2400 l/min/ 175 180 bar. 160 RPM 15 22 KNM. ECD 1,38 SG. Started to increase MW from 1,28 SG to 1,32 SG.
03:00 - 04:30: Drilled and oriented 8 1/2" hole from 3070 m to 3094 m, average ROP 15 m/hr. Wob 5 8 tonne. 2400 l/min/ 183 bar. 160 RPM 15 20 KNM. ECD 1,39 SG. Experienced problems in achieving required build rate, controlled ROP to 15 m/hr, set build force to 97 reduced walk force. Increased MW from 1,28 SG to 1,32 SG. Maintained LCM background concentration
04:30 - 08:00: Drilled and oriented 8 1/2" hole from 3094 m to 3128 m, average ROP 9,7 m/hr. Wob 1 3 tonne. 2400 l/min/ 183 bar. 160 RPM 12 17 KNM. ECD 1,40 SG. Controlled ROP to 10 m/hr to improve steering capability. MW in out 1,32 SG. Maintained LCM background concentration
08:00 - 19:00: Drilled and oriented 8 1/2" hole from 3128 m to 3317 m, average ROP 17,2 m/hr. Wob 2 14 tonne. 2400 l/min/ 183 189 bar. 160 RPM 12 24 KNM. ECD 1,40 SG. Took scrs at 3303 m maintained LCM background concentration
19:00 - 00:00: Drilled and oriented 8 1/2" hole from 3317 m to 3426 m, average ROP 22 m/hr. Wob 5 12 tonne. 2400 l/min/ 188 195 bar. 160 RPM 14 25 KNM. ECD 1,42 SG. Maintained LCM background concentration

24-hour summary: Drilled and oriented 8 1/2" hole from 3004 m to 3426 m.
Hourly activities:
00:00 - 05:30: Drilled 8 1/2" hole from 3426 m to 3546 m, average ROP 22 m/hr. Wob 7 14 tonne. 2450 l/min/ 190 195 bar. 160 RPM 18 22 KNM. ECD 1,42 SG. Maintained LCM background concentration controlled ROP to 25 m/hr
05:30 - 05:45: Took SCR
05:45 - 07:45: Drilled 8 1/2" hole from 3546 m to 3576 m, average ROP 15 m/hr. Wob 7 14 tonne. 2450 l/min/ 190 195 bar. 160 RPM 18 22 KNM. ECD 1,42 SG. Maintained LCM background concentration controlled ROP to 25 m/hr
07:45 - 08:30: Circulated and reciprocated string while baker logging unit re-booted computer system
08:30 - 15:15: Drilled 8 1/2" hole from 3576 m to TD at 3682 m, average ROP 15,7 m/hr. Wob 2 14 tonne. 2450 l/min/ 195 199 bar. 160 RPM 11 26 KNM. ECD 1,42 SG. TD 3682 m MD. Controlled ROP from 3626 3640 m 15 m/hr 3640 3682 m 10 m/hr maintained LCM background concentration
15:15 - 15:30: Took final survey and downlinked
15:30 - 17:00: Circulated hole clean w/ 2450 l/min/ 197 194 bar, 140 RPM 12 20 KNM, ECD 1,41 SG. Circulated first b/u reciprocated string from 3682 3662 m
17:00 - 17:15: Racked back one stand
17:15 - 20:30: Circulated hole clean w/ 2450 l/min/ 192 bar, 140 RPM 21 20 KNM, ECD 1,40 SG, total 3 x b/u reciprocated string from 3662 3327 m. Hold TBT for taking pressure points and re-logging
20:30 - 21:00: POOH 5 1/2" stands from 3665 m to 3505 m. Limited pulling speed to 2-3 min/stand. Made up TDS.
21:00 - 21:45: Re-logged section from 3503,3 to 3491 m w/ 2000 LPM, 135 bar, 60 RPM, 12 17 KNM.
21:45 - 22:00: RIH from 3491 m to 3544 m.
22:00 - 23:45: Made up TDS and re-logged section from 3544 to 3506 m w/ 2000 LPM, 135 bar, 60 RPM, 12 17 KNM.
23:45 - 00:00: RIH to 3534 m. Took weights 188 t up, 144 t down, 157 t rot. Performed 10 min. Sticky test

24-hour summary: Drilled 8 1/2" hole to TD at 3682 m. Circulated hole clean. Re-logged interval and commenced taking pressure points.
Hourly activities:
00:00 - 00:15: Pulled out of cement to 2545 m MD. Pulled dry, 2 3 min/stand.
00:15 - 01:45: Circulated out excess cement and spacer 2500 l/min/ 172 bar, 60 RPM.
01:45 - 02:00: POOH 2 stand, installed 2 sponge balls.
02:00 - 03:30: Circulated b/u and flushed string, 3300 l/min/ 255 bar at 120 RPM.
03:30 - 05:30: POOH w/ 3 1/2" cement stinger on 5 1/2" DP.
05:30 - 06:00: Changed to 3 1/2" handling equipment.
06:00 - 07:30: L/d 33 joints of 3 1/2 cement stinger.
07:30 - 08:00: Changed to 5 1/2" handling equipment, cleanend rigfloor.
08:00 - 10:15: RIH to 1220 m with cement contaminated 5 1/2" stands.
10:15 - 11:00: Installed two sponge balls and flushed string, circ. 1,5 x string volume.
11:00 - 12:45: POOH 5 1/2" stands and r/b same.
12:45 - 13:00: Removed ps21 slips, installed master bushing. Cleaned and cleared rigfloor. Function tested shear ram.
13:00 - 13:15: Performed pre-job meeting prior to run BOP test tool.
13:15 - 14:30: M/u jet sub and BOP test tool. RIH w/ test tool. Jetted BOP/WELLHEAD area at 138 m with 1500 LPM, 15 bar. Landed BOP test tool in wellhead. Meanwhile lined up and tested line to 20/345 bar 5/5 min.
14:30 - 14:45: Displaced BOP to water using cement unit.
14:45 - 19:15: Tested BOP pipe rams and annular to 20 bar/ 5 min and 345 bar/ 10 min. Tested kill and choke lines to 20 bars 5 min and 345 bar/ 10 min with water.
19:15 - 19:30: Opened BOP and displaced same with OBM.
19:30 - 20:30: POOH and l/d BOP test tool. R/d handling equipment and cleared rig floor.
20:30 - 20:45: Performed pre-job meeting prior to m/u BHA.
20:45 - 22:00: P/u and m/u 12 1/4" BHA in moduls as per baker DD instructions
22:00 - 23:00: Plugged into tools and verfied same.
23:00 - 00:00: P/u and m/u 12 1/4"" BHA including HWDP as per baker DD instructions. Changed out one HWDP, damaged box observed.

24-hour summary: POOH with cement stinger. L/d 3 1/2" singles to deck. RIH and flushed 5 1/2" DP stands. Tested BOP. P/u and m/u 12 1/4" BHA.
Hourly activities:
00:00 - 02:15: P/u and m/u 12 1/4" BHA, picked up HWDP, m/u jar and accelerator. Installed totco ring on top of accelerator.
02:15 - 02:30: Removed master bushing, installed ps21 slips.
02:30 - 03:45: RIH w/ 12 1/4" BHA on 5 1/2" DP from 247 m to 1020 m Avg. Tripping speed 618 m/hr.
03:45 - 04:15: Filled string and emptied TT
04:15 - 05:15: RIH on 5 1/2" DP from 1020 m to 1860 m Avg. Tripping speed 840 m/hr.
05:15 - 05:30: Filled string and emptied TT.
05:30 - 06:15: RIH on 5 1/2" DP from 1860 m to 2467 m. Avg. Tripping speed 810 m/hr.
06:15 - 06:30: Filled string and emptied TT.
06:30 - 07:30: Closed BOP and performed choke drill with both shifts, driller, ad and lead driller.
07:30 - 07:45: RIH from 2467 m to 2507 m, m/u TDS.
07:45 - 08:30: Washed from 2507 m to 2555 m w/ 2300 l/min, 120 bar, 20 RPM, 8 KNM. Tagged TOC at 2555 m.
08:30 - 11:00: Drilled excess cement from 2555 m to 2595 m, wob 6 tonne. 2300 l/min/ 123 bar. 20 RPM 12 18 KNM. Reduced MW while drilling cement from 1,32 SG to 1,28 SG.
11:00 - 11:30: Downlinked set tools ribs off.
11:30 - 12:00: Drilled from 2595 m to 2604 m in steps to clean shoe area and rathole with 2300 LPM, 113 bar, 20 RPM, 10 16 KNM, wob 1-3 tonne. Softer cement in the rat hole.
12:00 - 12:30: Pulled back to 2588 m, tared copilot, downlinked to set tools for k/o, reamed in to 2604 m.
12:30 - 15:30: Kicked off from 2604 m. Drilled from 2604 m to 2617 m, wob 3 5 tonne. 2800 l/min/ 153 bar. 40 RPM 13 17 KNM. Controlled ROP to 5 m/hr. Drilled as per baker DD instructions. Bending moment and NB inc. Indicating successful sidetrack at 2617 m. Last report on f-1 a, continue reporting on f-1 b.

24-hour summary: P/u and m/u 12 1/4" BHA. RIH on 5 1/2" DP. Performed choke drill. Drilled out cement and kicked off well to f-1 b.
Hourly activities:
15:30 - 17:00: Continued to kick off from f-1 a. Drilled 12 1/4" hole from 2617 m to 2627 m as per baker DD instructions. Wob 2 5 tonne. 2800 l/min/ 153 bar. 40 RPM 13 17 KNM. Started bleeding in LCM premix, 4m3 per stand for drilling ty fm.
17:00 - 19:00: Drilled and oriented 12 1/4" hole from 2627 m to 2650 m. Average ROP 11,5 m/hr. Wob 3 6 tonne. 3500 l/min/ 215 220 bar. 80 RPM 15 KNM. ECD 1,32 SG. Bleed in LCM premix as per plan to maintain particle concentration. Initially controlled ROP to 10 m/hr.
19:00 - 00:00: Drilled and oriented 12 1/4" hole from 2650 m to 2763 m. Average ROP 22,6 m/hr, wob 2 6 tonne. 3500 l/min/ 215 220 bar. 80 RPM 17 21 KNM. ECD 1,32 SG. Bleed in LCM premix as per plan to maintain particle concentration.

24-hour summary: Kicked off well from f-1 a. Drilled 12 1/4" hole through ty fm. To 2763 m.
Hourly activities:
00:00 - 02:30: Drilled and oriented 12 1/4" hole from 2763 m to 2820 m. Average ROP 21,6 m/hr wob 3 11 tonne. 3500 l/min/ 217 230 bar. 100 RPM 17 29 KNM. ECD 1,32 SG. Maintained LCM background concentration.
02:30 - 02:45: Cleared tripped cuttings conveyor.
02:45 - 07:00: Drilled 12 1/4" hole from 2820 m to 2903 m. Average ROP 19,5 m/hr. Wob 9 12 tonne. 3500 l/min 220 235 bar. 100 RPM 11 29 KNM. ECD 1,31 SG. Maintained LCM background concentration.
07:00 - 12:00: Drilled 12 1/4" hole from 2903 m to 3010 m, average ROP 21,4 m/hr, wob 9 12 tonne. 3500 l/min/ 225 230 bar. 100 RPM 20 30 KNM. ECD 1,31 SG. Maintained LCM background concentration.
12:00 - 17:15: Drilled 12 1/4" hole from 3010 m to TD at 3097 m. Average ROP 16,6 m/hr wob 10 14 tonne. 3500 l/min/ 225 238 bar. 100 RPM 20 25 KNM. ECD 1,31 SG. Section TD at 3097 m. Maintained LCM background concentration.
17:15 - 17:30: Took TD survey and downlinked to ribs off.
17:30 - 19:30: Circulated hole clean w/ 3500 l/min/ 212 220 bar, 100 RPM 12 15 KNM, ECD 1,30 SG.
19:30 - 21:15: Circulated hole clean w/ 3500 l/min/ 210 212 bar, ECD 1,30 SG. Circulated total 3 b/u, 690 m3. Racked one stand. Meanwhile repaired hydraulic leak on TDS allignment cylinder. Serviced TDS and dolly.
21:15 - 21:30: Flowchecked well for 15 min. Well stable. Meanwhile performed TBT for drop down gyro.
21:30 - 21:45: Dropped gyro.
21:45 - 22:00: RIH to bottom.
22:00 - 23:00: POOH w/ 12 1/4" BHA and drop gyro on 5 1/2" DP from 3096 m to 2900 m. Pulled 5 stands wet.
23:00 - 23:30: Pumped 4m3 slug and chased same. Filled trip tank.
23:30 - 23:45: Continued to POOH with 12 1/4" BHA and drop gyro on 5 1/2" DP. Baker mud logging unit shut down due to high winds.
23:45 - 00:00: Troubleshoot logging unit and prepared temporary wind protection on air intake.

24-hour summary: Drilled and oriented 12 1/4" hole to section TD at 3097 m. Circulated hole clean, circulated 3 x b/u. Dropped gyro and POOH with 12 1/4" BHA on 5 1/2 DP.
Hourly activities:
00:00 - 01:00: POOH w/ 12 1/4" BHA. Controlled speed while monitoring volumes with rig sensors. Meanwhile arranged wind protection and re-booted logging unit.
01:00 - 01:30: POOH w/ 12 1/4" BHA and drop gyro into the casing shoe.
01:30 - 01:45: Flowchecked well for 15 min. Well stable.
01:45 - 03:45: POOH w/ 12 1/4" BHA on 5 1/2" DP from 2590 m to 448 m Avg. Tripping speed 856 m/hr.
03:45 - 04:15: Took rotational shot surveys as per scientific instructions.
04:15 - 04:30: POOH with 12 1/4" BHA from 448 m to 247 m.
04:30 - 04:45: Flow checked well for 15 min prior to pull BHA through BOP. Well stable. Hold TBT for handling BHA.
04:45 - 05:00: POOH 12 1/4" BHA on HWDP. Racked HWDP stands.
05:00 - 05:15: Recovered gyro tool string and l/d same.
05:15 - 05:45: Removed ps21 slips and installed master bushings.
05:45 - 08:15: L/d 12 1/4" BHA from 125 m to 32 m as per baker DD lay down plan.
08:15 - 09:00: Plugged into ontrak and downloaded data.
09:00 - 10:00: POOH to 3 m, plugged into copilot and downloaded data.
10:00 - 11:00: Cleaned and layed out BHA, inspected bit. Bit grading 0-2-wt-t-x-1/16-no-td.
11:00 - 11:30: Cleaned and cleared rigfloor.
11:30 - 12:00: Picked up bullnose jetting sub and wbrrt.
12:00 - 12:45: RIH to 138 m, restricted speed due to fullbore tool. M/u TDS and jetted well head area with 1500 LPM, 15 bar.
12:45 - 13:15: RIH from 138 m to 181 m, set down 5 tons and checked measurement for casing hanger run. Pulled WB with 37 tons overpull.
13:15 - 14:30: POOH from 181 m to 138 m, jetted wellhead area with 1500 LPM, 15 bar. Dropped drift and POOH to surface. L/d WB, reset tool and l/d same.
14:30 - 15:00: Cleaned and cleared rigfloor.
15:00 - 15:30: Moved weatherford tong into position, arranged hoses and jam unit.
15:30 - 15:45: Hold TBT prior to slip and cut operation.
15:45 - 17:30: Rigged up, slipped and cut 44 m drill line. Cleaned and cleared rig floor.
17:30 - 18:00: Calibrated blocks with both rig and baker systems.
18:00 - 18:45: Tidied rigfloor prior to rigging up casing equipment.
18:45 - 22:30: R/u handling equipment for 9 5/8" casing. Changed bails and installed elevators, function tested same. Removed bushings and installed FMS. Function tested same.
22:30 - 22:45: Performed pre-job meeting prior to pick up shoe joint.
22:45 - 23:00: P/u 9 5/8" shoe joint from deck, checked float OK.
23:00 - 23:30: Installed weatherford fill-up tool. Installed bypass baffle.
23:30 - 00:00: M/u shoe joint to float collar/intermediate stand from derrick. Thread locked connection.

24-hour summary: POOH with 12 1/4" BHA and drop gyro on 5 1/2" DP. L/d BHA. Retrieved wear bushing and jetted wellhead area. Performed slip cut. R/u for running 9 5/8" casing. P/u and RIH shoe joint, m/u stand w/ two intermediates and LC joint.
Hourly activities:
00:00 - 00:30: RIH shoetrack, p/u single joint from deck and m/u same.
00:30 - 01:45: RIH with 9 5/8" 53,5ppf p110 VAM top casing from 63 m to 209 m Run casing in stands from derrick. Filled every stand.
01:45 - 02:00: Changed leaking mud saver valve.
02:00 - 07:00: RIH with 9 5/8" 53,5 ppf p110 VAM top casing from 209 m to 1207 m. Run stands from derrick. Filled casing every stand. Average running rate 5,5 stands/hr
07:00 - 12:00: RIH with 9 5/8" 53,5ppf p110 VAM top casing from 1207 m to 2489 m. Run stands from derrick. Filled casing every stand. Average running rate 7,1 stands/hr.
12:00 - 12:15: Changed to 10 3/4" elevators and tong jaws.
12:15 - 12:30: P/u x-over joint from deck and m/u same.
12:30 - 13:30: Changed out slips to 10 3/4" and changed die blocks in casing tong.
13:30 - 16:00: RIH with 10 3/4" 65,7ppf p110 VAM top casing from 2489 m to 2944 m. Run stands from derrick. Filled casing every stand. Average running rate 5 stands/hr.
16:00 - 16:15: Performed TBT before rigging down casing running equipment.
16:15 - 17:30: R/d casing fill-up tool, bails, elevator and rotator. Installed bails and elevators for 5 1/2" DP.
17:30 - 17:45: Performed TBT before picking up casing hanger.
17:45 - 18:00: P/u, cleaned and m/u casing hanger.
18:00 - 18:30: Removed ps30 slips and installed outer ring and master bushings. RIH hanger below rotary.
18:30 - 19:45: R/d handling equipment for 10 3/4" casing, r/d casing tongs and cleared rig floor.
19:45 - 20:30: RIH with 9 5/8" x 10 3/4" casing on 5 1/2 HWDP landing string from 2954 m to 2994 m. Circulated string with 500 LPM while RIH.
20:30 - 21:30: RIH on landing string from 2994 m to 3089 m. Circulated string with 500 LPM while RIH.
21:30 - 22:00: Broke out HWDP double from LS.
22:00 - 23:15: P/u cement stand. M/u cement hoses and control lines. M/u cement stand to landing string. Landed casing hanger in wellhead as per vetco instructions. Confirmed hanger set as per procedure.
23:15 - 00:00: Increased flow in 250 l/min steps to 2500 l/min/ 80 bar. Let flow and pressure stabilize on each step. No losses to formation.

24-hour summary: M/u and RIH 9 5/8" shoe track. M/u and RIH 9 5/8" casing in stands from derrick. M/u x-over joint and continued RIH with 10 3/4" casing stands from derrick. Installed casing hanger and RIH casing on 5 1/2" HWDP landing string. Landed casing and confirmed hanger set. Circulated well prior to cement job.
Hourly activities:
00:00 - 01:00: Circulated prior to cement job 2500 l/min 80 85 bar. After 1,15 x b/u experienced a 5 bar pressure drop and indication of losses. Checked surface equipment, OK.
01:00 - 02:30: Established loss free rate at 1350 LPM/ 45 bar. Lost 3,2 m3 of mud in total during circulation. Held TBT prior to cement job.
02:30 - 05:15: Pumped 22 m3 of 1,60 SG spacer with rig pumps, pumped with loss free rate 1350 LPM. Lined up from cement unit and verified line-up. Released dart for bottom plug, verified flag indication. Mixed and pumped 14 m3 1,90 SG slurry at 680 LPM, released top dart and observed top plug release at 950 l pumped and 82 bar. Chased cement w/ rigpumps and 2500 LPM. Displaced cement with 1300 1600 LPM. Used bottom plug landing shear to calibrate pump efficieny 95,6 displaced cement into annulus with 2000 LPM, following pump plan. Bumped top plug at 5190 strokes efficency). Pressured up to 70 bar above final circulation pressure of 55 bar. Checked for back flow, floats holding. Lost in total 8 m3 OBM to formation.
05:15 - 05:45: Bleed off pressure and checked for back flow, floats holding.
05:45 - 06:00: Flushed manifolds after cement job and prepared for setting seal assembly.
06:00 - 06:15: Attempted to set seal assembly as per vetco procedure.
06:15 - 08:00: Leak on halliburton cement unit, trouble shoot and repaired same.
08:00 - 10:00: Set seal assembly as per vetco procedure. Took 45 ton overpull, closed annular preventer and confirmed seal assembly set. Tested annular BOP against seal assembly 20/345 bar 5/10 min.
10:00 - 12:15: Tested BOP pipe rams to 20 bar/ 5 min and 345 bar/ 10 min as per maersk procedure.
12:15 - 12:30: Opened BOP, released padprt according to vetco procedure.
12:30 - 13:15: L/d cement head. M/u double to landing string. Installed sponge balls and circulated w/ 3500 l/min/ 37 bar.
13:15 - 14:00: POOH from 139 m to surface, cleaned padprt and checked lead impression blocks. L/o tool to cantilever.
14:00 - 14:30: Cleaned and cleared rig floor.
14:30 - 15:15: M/u bullnose, wbrrt and wearbushing. RIH to 139 m and landed WB, took 5 ton overpull.
15:15 - 15:45: Lined up and tested middle pipe ram to 20 bar/ 5 min and 345 bar/ 10 min.
15:45 - 16:30: Released wbrrt with 5 right hand turns, POOH to surface. Cleaned and reset running tool, l/o same.
16:30 - 17:00: Cleaned and cleared rigfloor. Continue reporting on f-99 during maersk rig maintenance/rig survey.

24-hour summary: Circulated prior to cement job and established loss free rate. Cement 10 3/4" x 9 5/8" casing in place, bumped plug. Set and tested seal assembly, tested bops. Installed wear bushing. Suspended operations on f-1 b for maersk rig maintenance/rig survey.