bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
00:00 - 01:00: Bo and LD guns using certified lifting sub. Observed that all shots had fired.
01:00 - 03:00: RD lubricatoor on rig floor. Disconnected and pulled riser sections above BOP to rig floor.
03:00 - 03:45: Opened HMV and confirmed 0 WHP below. Closed HMV and opened KWV. Leak tested XMT cross to 123 bar 10 min against closed HMV. Dropped 0. 6 bar 10 min. Bled off pressure to zero bar. Closed KWV.
03:45 - 06:00: Held tool box meeting. RD hydraulic BOP hoses. Disconnected WL BOP'S and transfered to overhead crane in moonpool. Transported BOP'S to main deck. Dismantled scaffolding around BOP'S.
06:00 - 07:00: Installed tree cap and tested same 35/380 bar for 5/10 min against closed SV using seawell test pump and 100 MEG. Bled off pressure.
07:00 - 08:45: RD HP line from XMT KWV to CMT unit. Installed 1502 weco blind cap outside KWV and opened KWV. Leak tested KWV cap to 35/380 bar for 5/10 min aginst closed SV using seawell test pump and 100 MEG.
08:45 - 09:30: Transfered operation of HMV and trscssv to platform system/production. Filled in and signed handover document" and handed over well from volve d&w to m rsk production at 09 00. Meanwhile RD scaffolding on rig floor and cleared rig floor of excess equipment.
09:30 - 10:45: Removed scaffolding around moonpool hatch and installed hatch. End of operations

24-hour summary: Continued RD WL equipment. Tested tree cap and KWV cap. Handed over well to production. Removed scaffolding and installed hatch.
Hourly activities:
16:30 - 22:30: Well handed over from production department. Skidded rig in position. Changed to workover hatch. Meanwhile held pre job meeting with involved personnel.
22:30 - 00:00: Held tool box meeting on rig floor. Leak tested XMT cross to 20/100 bar for 5/10 min.

24-hour summary: Took over well from production department. Skidded rig in position. Installed workover hatch and leak tested XMT cross.
Hourly activities:
00:00 - 01:30: Installed chiksan manifold on TKV and leak tested same to 20/100 bar for 5/10 min.
01:30 - 05:00: Removed XMT top cap and installed lower riser and BOP. Leak tested lower riser/bop connections and function tested BOP. Lowered down upper riser from rig floor and stabbed riser onto BOP. Meanwhile checked and tested RST toolstring on surface.
05:00 - 06:00: Held tool box talk and lifted up lubricator and GIH in elevator. Started to install toolstring into lubricator.
06:00 - 07:45: Continued installing toolstring into lubricator.
07:45 - 09:15: Waited due to broken bolt in the wheel for KWV. Mechanic attempted to chang bolt without success and found a temporary solution.
09:15 - 10:00: Leak tested rig up. 20/100 bar for 5/10 min. Opened well. WHP 7 bar.
10:00 - 10:45: RIH with BHA#1, RST. Stopped in DHSV at 498 m.
10:45 - 11:15: Lined up AWS pump, pumped MEG into well and equalized DHSV at 39 bar.
11:15 - 13:30: Continued RIH with BHA#2, RST to 3420 m.
13:30 - 14:00: Ran correlation passes. Adjusted the depth according to reference log.
14:00 - 21:15: Logged RST-D in IC mode from 3390 to 3230 m at 0. 5 m/min.
21:15 - 21:45: RIH to 3400 m.
21:45 - 22:30: Logged RST in sigma mode from 3390 to 3230 m at 4,5 m/min.
22:30 - 22:45: RIH to 3400 m.
22:45 - 00:00: Logged RST-D in IC mode from 3390 to 3370 m at 0. 5 m/min.

24-hour summary: RU wireline pressure control equipment. RIH with BHA to 3400 m. Logged RST in IC mode at 0,5 m/min and in sigma mode at 4,5 m/min from 3390 to 3230 m. Logged second IC mode pass from 3390 to 3370 m.
Hourly activities:
00:00 - 06:00: Continued logging RST-D in IC mode from 3370 to 3260 m at 0. 5 m/min.
06:00 - 08:00: Continued logging RST-D in IC mode from 3260 to 3230 m at 0. 5 m/min.
08:00 - 10:45: POOH with BHA
10:45 - 13:00: OOH. WHP 37 bar. Closed well and inflow tested HMV. Bled off and flushed lubricator with n2. Held toolbox meeting.
13:00 - 14:00: LD RST toolstring and inspected same.
14:00 - 14:45: Closed BOP. Flushed riser with n2 through KWV to blow down.
14:45 - 16:15: Closed DHSV and bled down to 8 bar. Inflow tested DHSV. Bled off pressure above and closed well. Lined up and leak tested XMT cross.
16:15 - 18:30: Held toolbox meeting and LD lubricator onto cat walk machine. Lifted upper riser section to rig floor with top drive. Lifted BOP away in moon pool. RD lower riser.
18:30 - 21:00: Removed chiksan manifold on KWV and installed end cap. Installed XMT top cap. Leak tested KWV end cap and XMT top cap to 20/345 bar for 5/10 min. Disconnected local control panel for HMV and DHSV. Handed well over to production department.
21:00 - 00:00: Disassambled riser and lubricator and lifted out riser sections from rig floor.

24-hour summary: Logged RST in IC mode from 3370 to 3230 m. Inflow tested HMV and DHSV. RD wireline pressure control equipment. Handed well over to production department. Prepared wireline equipment for demobilization.
Hourly activities:
00:00 - 06:00: Cleared rig floor off remaining WL equipment. Tidied and cleaned rig floor. Skidded rig in parking position. Prepared and packed WL equipment for demobilization. end of operation

24-hour summary: Cleared rig floor off remaining WL equipment. Skidded rig in parking position. Prepared and packed WL equipment for demobilization.
Hourly activities:
07:00 - 11:00: Received WL equipment from boat.
11:00 - 13:00: Removed containers, tanks, equipment and prepared pipe deck area for spotting wireline equipment.
13:00 - 17:00: Started to spot WL equipment on pipe deck.
17:00 - 21:00: Leak tested BOP on stump. Started to prepare WL equipment.
21:00 - 21:20: Held mearsk toolbox talk together with maersk personnel prior to build lubricator. Held AWS check card meeting prior to thread the cable through GIH and toolcatcher.
21:20 - 00:00: Lifted and spotted smart skid in front of winch. Lifted toolcatcher and GIH to rig floor. Threaded the cable through GIH and tool catcher, prior to build cable head. Built lubricator with fork lift on main deck.

24-hour summary: Received and spotted wireline equipment. Started to prepare equipment for wireline operation.
Hourly activities:
00:00 - 06:00: Waited on mearsk electrician, prior to hook up all wireline units. Electrician busy with other jobs. Meanwhile lifted BOP down to BOP deck through hatch on drill floor and prepared wireline equipment.
06:00 - 09:00: Waited on mearsk electrician, prior to hook up all wireline units. Electrician busy with other jobs. Meanwhile prepared wireline equipment.
09:00 - 12:00: Hooked up wireline units to power and f&g.
12:00 - 14:00: Assembled lubricator and riser on rig floor.
14:00 - 17:00: Prepared wireline equipment. Meanwhile built cable head.
17:00 - 21:00: Waited for production department to prepare well for handover. Meanwhile built cable head and megged same. Tried to connect logging unit to internet, no success.
21:00 - 21:30: Waited for production department to prepare well for handover. Meanwhile held start up meeting with night crew.
21:30 - 00:00: Waited for production department to prepare well for handover. Meanwhile tested counter system and RST tool.

24-hour summary: Waited on mearsk electrician, prior to hook up all wireline units. Hooked up wireline units to power and f&g. Prepared wireline equipment and build cable head. Waited for production department to prepare well for handover.
Hourly activities:
00:00 - 06:00: Waited for production department to prepare well for handover. Meanwhile tested RST tool.
06:00 - 10:30: Waited for production department to prepare well for handover. Meanwhile tested RST tool.
10:30 - 11:00: Well handed over from production department.
11:00 - 11:30: Held dop#1 meeting prior to r/u on well.
11:30 - 13:00: Leak tested XMT cross to 20/120 bar for 5/10 min. Meanwhile prepared to install lower riser and BOP.
13:00 - 13:30: Held brief prior to install lower riser and BOP.
13:30 - 16:30: Removed XMT top cap and installed lower riser and BOP. Leak tested lower riser/bop connections to 20/120 bar for 5/10 min.
16:30 - 17:15: Lowered down lower lubricator from rig floor and stabbed lubricator onto BOP.
17:15 - 17:30: Held brief prior to install toolstring into lubricator.
17:30 - 19:00: Installed toolstring into lubricator.
19:00 - 19:30: Held brief prior to lift up lubricator and GIH in elevator.
19:30 - 22:30: Connected hoses and lifted up lubricator and GIH in elevator. Connected toolstring and stabbed upper lubricator unto lower lubricator.
22:30 - 23:00: Held dop#2 meeting prior to RIH with RST toolstring.
23:00 - 00:00: Prepared to leak test r/u.

24-hour summary: Well handed over from production department. R/u wireline equipment and installed RST toolstring in lubricator.
Hourly activities:
00:00 - 02:00: Leak tested r/u to 20/120 bar for 5/10 min. Opened well. WHP 42 bar.
02:00 - 02:15: Held well controll drill prior to RIH.
02:15 - 02:50: RIH with BHA#1, RST to 556 m.
02:50 - 03:20: Performed test of RST according to schlumberger procedure.
03:20 - 05:20: Continued RIH with BHA#1, RST to 3420 m.
05:20 - 06:00: Ran correlation passes. Adjusted the depth according to reference log.
06:00 - 07:05: Logged RST-D in sigma mode from 3400 to 3210 m at 4,5 m/min.
07:05 - 07:30: RIH to 3420 m.
07:30 - 14:20: Logged RST-D in IC mode pass#1 from 3410 to 3215 m at 0,5 m/min.
14:20 - 15:00: RIH to 3420 m.
15:00 - 23:00: Logged RST-D in IC mode pass#2 from 3410 to 3215 m at 0,5 m/min.
23:00 - 23:30: RIH to 3420 m.
23:30 - 00:00: Logged RST-D in IC mode pass#3 from 3410 to 3380 m at 0,5 m/min.

24-hour summary: Leak tested r/u. Opened well. RIH and logged RST-D in sigma mode and RST-D in IC mode pass#1 and pass#2.
Hourly activities:
00:00 - 06:00: Logged RST-D in IC mode pass#3 from 3380 to 3250 m at 0,5 m/min.
06:00 - 07:40: Continued logging RST-D in IC mode pass#3 from 3250 to 3220 m at 0,5 m/min.
07:40 - 09:30: POOH from 3220 m to surface. WHP 42 bar.
09:30 - 11:00: OOH. Closed in swab and HMV. Inflow tested same. Opened HMV and inflow tested DHSV.
11:00 - 12:30: L/d upper lubricator on drill floor and removed BHA#1, RST-D logging tool.
12:30 - 13:00: Performed brief prior to rig down.
13:00 - 15:10: Lifted lower lubricator to rig floor with top drive. Lifted BOP away in moon pool. R/d lower riser.
15:10 - 19:00: Removed chiksan manifold on KWV and installed end cap. Installed XMT top cap. Leak tested KWV end cap and XMT top cap to 20/345 bar for 5/10 min. Disconnected local panal for HMV and DHSV. Handed well over to production department. end of operation-------------------------------------------------

24-hour summary: Logged RST-D in IC mode pass#3. POOH. R/d and handed well over to production department.
Hourly activities:
04:30 - 05:00: Held tool box talk prior to skidding of the cantilever from f-14 to f-5
05:00 - 05:45: Skidded the catilever from f-14 to f-5.
05:45 - 06:00: Started to re-establish rig condition for operation.
06:00 - 07:00: Installed handrails on weather deck and lower levels in well head modul.
07:00 - 09:00: Held tool box talk with day shift. Removed hatch cover from f-5 at well bay area. Failure on TDS.
09:00 - 10:30: Prepared and installed the rotating link adapter to TDS. Meanwhile removed hatch covers on f-14 prior to installing DCI stab for CRI hose.
10:30 - 11:00: Performed derrick inspection prior to start drilling 36" hole.
11:00 - 14:00: Held tool box talk. Picked up and made up the 36" BHA assembly. RIH with the 36" BHA. Meanwhile ROV prepared to install DCI stab for CRI hose.
14:00 - 17:00: Installed oil filter and solenoid valve to TDS. Function tested TDS, the rotating link adapter and torque wrench. Meanwhile prepared and connected DCI stab for CRI hose.
17:00 - 18:00: Serviced and inspected the TDS prior to start drilling the 36" hole. Prepared for moving drill cutting funnel from f-5.
18:00 - 20:15: Moved the drill cutting funnel from f-5. Using tugger and ROV.
20:15 - 21:30: 36" BHA entered slot 5 assisted by ROV.
21:30 - 23:30: Attempted to wash down 36" BHA through template. Drilled 36" hole from 144 m to 149 m MD. Drilling parameters flow 1000 LPM SPP 4-5 bar 18 RPM torque 3-12 KNM wob 1-10 MT. Drilling bushing landed out in template guide-funnel. Parked ROV in garage.
23:30 - 00:00: Drilled 36" hole from 149 m to 155 m MD. Drilling parameters flow 1000 LPM SPP 2 bar 20 RPM torque 2-4 KNM wob 1-2 MT ROP 3,5 m/hr.

24-hour summary: Installed the rotating link adapter to TDS. Picked up and made up the 36" BHA assembly. Drilled 36" hole from 144 m to 165 m MD.
Hourly activities:
00:00 - 04:15: Drilled 36" hole from 155 m to 164 m MD. Drilling parameters flow 1000-2200 LPM SPP 2-15 bar 20-70 RPM torque 2-9 KNM wob 2-3 MT ROP 1-4. 5 m/hr. Pumped 20m hi-vis pills prior to connection. Survey at 150. 92 m 0. 63 inc
04:15 - 05:45: Reamed hole from 164 m to 155 m reaming parameters flow 3100 LPM SPP 36 bar 70-90 RPM torque 2-4 KNM 1. Survey at 150. 92 m 0. 63 inc 2. Survey at 150. 92 m 0. 57 inc
05:45 - 06:00: Drilled 36" hole from 164 m to 165 m MD. Drilling parameters flow 4000 LPM SPP 66 bar 90 RPM torque 2-6 KNM wob 0-1 MT ROP 12 m/hr.
06:00 - 15:30: Drilled 36" hole from 164m to 226m MD. bit depth) drilling parameters flow 4000-4640 LPM SPP 62-84 bar 90 RPM torque 2-8 KNM wob 1-3 MT ROP 6-18 m/hr. Pumped 20 m3 hi-vis pills prior to connection. Survey at 177 m 0. 55 inc survey at 187 m 0. 47 inc survey at 197 m 0. 46 inc survey at 207 m 0. 27 inc survey at 217 m 0. 33 inc survey at 225 m 0. 26 inc
15:30 - 16:00: TD with 17½" bit at 226m, TD 36" ho 222. 8m. Circulated with sea water and pumped 25m hi-vis pills. Displaced well to 1. 4 SG mud.
16:00 - 16:45: Held tool box talk prior to POOH. Started to POOH at 226m. Took 20mt overpull at 213m. Made up TDS and rotated pipe without pumping. Attempted to work through tight spot without rotation. Commenced to pump sea water at 1000 LPM and 30 RPM. Worked string reaming through tight spot. Slided back to bottom. Reciprocated string and circulated bottom up with sea water at 4600 LPM. Went back to bottom and pumped 20m hi-vis pill and displaced well to 1. 4 SG mud.
16:45 - 17:15: POOH with 36" BHA from 226m to 150m.
17:15 - 19:00: At 150m, 5m below sea bed topped up hole with 5m 1. 4 SG mud. Continued POOH with 36" BHA from 150m to 131m.
19:00 - 19:15: Held tool box talk with night shift prior to POOH with the 36" BHA.
19:15 - 19:30: General check of handling gear and checked dies in PRS'S. Found FWD PRS dies to be normal dies.
19:30 - 21:15: Changed out dies in FWD PRS to monell dies.
21:15 - 00:00: POOH with 36" BHA from 131m to 20m and racked back in derrick.

24-hour summary: Drilled 36" hole from 164 m to 226 m MD. Survey at 225 m 0. 26 inc. Tight spot at 213m, reamed hole clear. POOH with 36" BHA from 226m to surface. L/o 36" ho. R/u for running of 30" conductor. Started to RIH with 30" conductor.
Hourly activities:
00:00 - 01:15: POOH with 36" ho, cleaned and checked ho found in good condition. Laid out 36" ho. Simultaneously ROV/HALLIBURTON prepared forpressure testing of the CRI hose.
01:15 - 02:15: Removed elevators, bails and installed cradles on HTS. Meanwhile operated the CRI valve. Pressure tested the CRI hose to 200bars 10 min, 47l 100bars and 65l 200bars.
02:15 - 02:45: Serviced and inspected the TDS.
02:45 - 03:00: Isolated and de-isolated TDS.
03:00 - 03:45: Held tool box talk prior to rig surface equipment for running conductor. Rigged up same.
03:45 - 04:15: Held tool box talk with all involved personnel prior to RIH with 30" conductor
04:15 - 06:00: Picked up 30" conductor shoe. Installed 30" bushing and landed conductor in rotary. Filled 30" conductor with water and tested float.
06:00 - 11:00: Continued to run in with 30" conductor from 8m to 84m. Tool box talk was held with day shift, prior to running in with 30" conductor.
11:00 - 12:45: Held tool box talk prior to change from 30" to 5½" handling equipment. Changed handling equipment
12:45 - 13:00: Held tool box talk prior to pick up well head housing. Commenced picking up well head housing. Lost communication to auxiliary control.
13:00 - 13:15: Re-established communication to auxiliary control.
13:15 - 15:30: Picked up and made up the 30" housing. Made up torque is 36 000 ft-lbs 000 NM). Engage locking system with lock-plate. Secure with cap-screws. Inspect housing. Made several attempts to remove the 30" housing protector.
15:30 - 16:15: Cut of the protector of the 30" housing.
16:15 - 16:30: Broke out housing handling tool. Laid out same. Filled the conductor with sea water to minimize the movement of the conductor.
16:30 - 17:45: Held tool box talk prior to handling of the aluminum inner string. Rigged up inner string c-plate on top of 30" housing joint. Secure plate. Ran aluminum cement stinger. Installed the x-o for the cart.
17:45 - 18:45: Picked the cart from derrick and made up to x-o. Locked cart to housing as per vetco instruction. Installed inclinometer and handle on 2" fill up valve on cart. Simultaneously rigged up tugger in well bay area for ROV guide lines.
18:45 - 19:15: Performed pull test on cart tool. Removed c-plate. Ran conductor through rotary, and inserted master bushing.
19:15 - 20:00: Ran in with 30" conductor on 5½" HWDP from 84m to 105m. Attached wire sling to conductor housing for pulling arrangement if need it.
20:00 - 21:00: Continued run in with 30" conductor on 5½" HWDP from 105m to 135m, well head level.
21:00 - 21:30: Connected up to TDS and filled conductor at 900 LPM, 3,8 bars. Positive indication at shoe.
21:30 - 21:45: Ran in with 30" conductor on 5½" HWDP from 135m to 147m. Entered the template.
21:45 - 23:00: Continued RIH with 30" conductor on 5½" HWDP from 147m to 220. 8m.
23:00 - 23:30: Made up side entry sub and made up to TDS.
23:30 - 00:00: Established circulating with 2" valve open at cart tool. Hook load 110 MT. ROV confirmed returns at 2" valve.

24-hour summary: RIH with 30" conductor from surface to 220. 8m. Cemented 30" conductor. Wait for cement to set.
Hourly activities:
00:00 - 00:15: Closed 2" valve and established circulation through the 30" shoe.
00:15 - 01:15: Verified setting depth with digiquartz against f-7. Final 110 MT hook load. Checked centralization of conductor housing OK. Inclination 0. 22/0. 28 degrees.
01:15 - 02:30: Established circulation at 2500 LPM, 3,8 bars, 112 MT hook load. ROV confirmed 2" valve not to be leaking and surveyed for returns, observed returns from f-5 only. Meanwhile pressure tested cement line to 200 bars 10 min.
02:30 - 04:00: Mixed and pumped 55. 7 m 1. 52 SG tuned light XL cement slurry at 1100 LPM, 25 bars pump pressure. Confirmed returns to seabed. Displaced cement slurry with 6. 7 m of SW at MAX rate using cement unit. FCP 7bars, 600lpm. Bled off pressure, 250 l. Checked for back-flow. Removed CMT hose and flushed through manifolds and hoses.
04:00 - 06:00: Waited on cement to set. Meanwhile prepared for wire change on FWD PRS, general maintenance. Started injecting slop into f-12 annulus.
06:00 - 16:00: Waited on cement to set. Meanwhile function tested rotating link adapter and torque wrench. Prepared cantilever for skidding to f-15. Performed general maintenance on the rig floor. Injected slop into f-12 injection annulus.
16:00 - 18:00: Confirmed inclinometer before release of cart. Released cart tool. Broke out and laid out the side entry sub and two 5½" pups. Racked back one stand. Dropped one sponge ball and flushed landing string and inner string with sea water. Continued pull out with landing string. With cart in rotary removed 2" valve handle and inclinometer. Function tested cart. Inclinometer measurements cart before release, top 27 bottom 0. 24 digiquartz measurement of 30" conductor two measurements after releasing cart f-5 96584mm f-7 96606mm f-5 23mm deeper f-5 96603mm f-7 96602mm f-5 1mm high
18:00 - 20:30: Broke out x/o and racked back the cart tool in derrick. Laid out the aluminium inner string. Held tool box with night shift prior to handling of the cart tool and aluminium inner string.
20:30 - 23:30: Prepared for skidding. Meanwhile installed CTS funnel on f-14. Picked up new 36" ho.
23:30 - 23:45: Held tool box talk prior to skidding of the cantilever from f-5 to f-15

24-hour summary: Waited on cement to set. Released cart tool. Pulled same and rack back cart tool in derrick. Prepared for skidding and skid cantilever to f-15
Hourly activities:
01:30 - 03:30: Removed scaffolding from hatch opening on f-9 and installed hatch covers. Removed hatch cover from f-5. Prepared for skidding.
03:30 - 05:00: Held tool box talk prior to skidding rig from f-9 to f-5. Skidded rig 1. 5 m port and 2. 25 m aft.
05:00 - 06:00: Checked that all decks were in alignment. Rearranged hatches on all decks in WH module for f-9 and f-5. Installed scaffolding barriers. Meanwhile transported new 17 1/2" BHA components to drill floor.
06:00 - 11:00: PU and MU 17 1/2" bit, motor, 17 1/4" stab, GWD, power pulse and UBHO. RIH with 17 1/2" BHA to 35 m.
11:00 - 11:30: Checked oil in PRS and serviced same experienced communication problems to TDS.
11:30 - 13:00: Troubleshot lost communication to TDS. Found faulty profibus connector. MU temporary solution.
13:00 - 17:00: MU and RIH with 17 1/2" BHA from 35 m to 158 m. Sat UHBO sleeve to high side scribe line. Stabbed into CTS on top of conductor housing while observing with ROV.
17:00 - 20:00: Held tool box meeting with both shifts before cutting drill line. Performed cut slip. Meanwhile changed out faulty profibus connector on top drive.
20:00 - 22:00: Continued performing cut slip. Meanwhile changed out faulty profibus connector on top drive.
22:00 - 23:15: Continued RIH from 158 m to 195 m. Washed down from 195 m with 2000 LPM 50 bar 20 RPM. Tagged cement at 218 m. Connected CTS hose to ROV and started pumping with dredge pump.
23:15 - 00:00: Drilled out 30" shoe and rathole from 218 m to 219. 5 m MD. Drilling parameters flow 3500 LPM SPP 87 bar rotation 40 RPM torque 1-3 KNM wob 0-3 MT. Reamed back inside shoe for every 2 m drilled. Pumped 10 m3 his-vis sweep as required to clean the hole.

24-hour summary: MU and RIH with 17 1/2" BHA. Performed slip cut. Drilled out 30" shoe. Drilled 17 1/2" section to 233 m MD. RU and ran single shot gyro survey.
Hourly activities:
00:00 - 06:00: Drilled 17 1/2" section from 314 m to 475 m MD. Drilling parameters flow 3200-4000 LPM SPP 74-160 bar wob 3-8 MT torque 2-5 KNM string RPM 40 bit RPM 136-160. ROP 40-65 m/hr, average ROP 26. 8 m/ hrs. Pumped 10 m3 hi-vis sweep for every singel drilled. Performed GMWD survey on connections. Used sling and tugger on centralizer deck on drillpipe to stabilize same before taking survey. Sliding intervals 314 328 m 355 380 m 395 407 m 435 447 m
06:00 - 10:30: Drilled 17 1/2" section from 475 m to 556 m MD. Drilling parameters flow 4000 LPM SPP 114 bar wob 3-4 MT torque 2-5 KNM string RPM 40 bit RPM 136-160. ROP m/hr, average ROP 18. 0 m/ hrs. Pumped 10 m3 hi-vis sweep for every single drilled. Performed GMWD survey on connections. Used sling and tugger on centralizer deck on drillpipe to stabilize same before taking survey. Up weight 112 MT down weight 107 MT. At 556 m made 3 attempts to take GMWD survey. Decided to drill on with MWD inc and azimuth. Sliding intervals 475 487 m 516 529 m
10:30 - 11:00: Could not open PS-21 slips due to connection time-out on auxillary SBC computer.
11:00 - 00:00: Drilled 17 1/2" section from 556 m to 878 m MD top utsira). Drilling parameters flow 3500-4000 LPM SPP 114-130 bar wob 8-10 MT torque 2-3 KNM string RPM 40 bit RPM 105-160. ROP 30-40 m/hr, average ROP 24. 8 m/ hrs. Pumped 10 m3 hi-vis sweep for every single drilled. Performed MWD survey on connections. Up weight 120 MT down weight 112 MT. Sliding intervals 556 571 m 596 611 m 636 656 m 676 696 m 717 740 m 756 779 m 797 817 m 838 858 m

24-hour summary: Drilled 17 1/2" section from 475 m to 1101 m MD.