bengsoon/volve_alpaca huggingface dataset:
Hourly activities:
00:00 - 01:15: Made up string to TDS. Took off bottom parameters up/down 105/102 tons. Tagged whipstock at 421,5 m. top of window). Commenced drilling window. Initially exprienced heavy vibration in string. Experienced an hydraulic leak on TDS.
01:15 - 01:45: Observed hydraulic leak on elevator. Pulled back to 417 m and fixed leak.
01:45 - 02:15: Milled window in 13-3/8" casing according to instructions from smith flow 1500 LPM SPP 66 bar string RPM 80 wob 1-2 MT torque 16-21 KNM
02:15 - 03:00: Milled window in 13-3/8" casing 422,0-422,1m flow 2170 LPM SPP 92 bar string RPM 80 wob 3,5 MT torque 8-12 KNM
03:00 - 04:00: Milled window in 13-3/8" casing 422,1-422,8 m flow 2170 LPM SPP 93 bar string RPM 90 wob 5,0 MT torque 8-15 KNM Pumped hi-vis sweep
04:00 - 05:00: Milled window in 13-3/8" casing 422,8 423,0 m flow 2170 LPM SPP 88 bar string RPM 95 wob 5,0 MT torque 12-18 KNM
05:00 - 06:00: Milled window in 13-3/8" casing 423,0 423,8 m flow 2170 LPM SPP 88 bar string RPM 100 wob 4,5 MT torque 11-14 KNM circulate hi-vis sweep and got 100 steel back formation)
06:00 - 11:00: Milled window in 13-3/8" casing from 423,8 424,3 m as per smith instructions time depth flow SPP RPM wob torque 07 00 423,8 1525 50,5 60 5-6 14-17 09 00 424,2 1900 73,5 105 6 13-18 10 00 424,3 1900 74,0 125 5-10 19-22 10 30 424,3 1900 72,9 125 9-11 25-31
11:00 - 11:45: Observed instant drop on 50 bar in SPP. Pulled out of hole from 424,3 to 266 m.
11:45 - 12:45: Due to drilling with severe vibration inspected and serviced TDS for loose items. Carried out derrick inspection.
12:45 - 14:00: Continued to pull out from 266 m to surface.
14:00 - 14:45: Found 8-1/8" XO 6-5/8" FH b x 6-5/8" reg p parted 0,17m above pin end. 03154h). 7,02 m fish mill water melon mill) left in hole. Top of fish 417,3 m. Broke out remaining BHA.
14:45 - 20:15: Spotted and prepared fishing tool overshot with extension sub and 9" grapple). Welded and machined overshot lip guide. Simultaneously carried out further inspection and maintenance on TDS. DNV inspected poorboy, degasser and tugger.
20:15 - 22:15: Observed loose die holder and worn dies on TDS pipe handler. Repaired same.
22:15 - 22:30: Made up XO to 11-1/4" fishing overshot.
22:30 - 22:45: Held tool box talk with crew
22:45 - 00:00: Continued making up fishing BHA including 11-1/4" fishing overshot with 9" grapple. Midnight depth 0 m.

24-hour summary: Milled window from 423,8 m to 424,3 m with slow progress. Observed a 50 bar instant drop in SPP. Decided to pull out of hole and found 8-1/8" XO had parted, leaving 7 m of BHA mill watermelon mill) in hole. Top of fish at 417 m. Prepared and modified fishing tool overshot with extension sub and 9" grapple). Ran in hole with overshot, latched fish at 417 m and pulled out same. 12-1/4" trackmaster mill water melon mill was recovered. Trackmaster mill was completely worn out. Commenced to make 12-1/4" trackmaster milling BHA.
Hourly activities:
00:00 - 02:30: Ran in hole with 12 ¼" BHA from 32 m to 190 m.
02:30 - 03:00: Installed hydraulic power slips. Found leak on hydraulic connection.
03:00 - 03:30: Repaired power slips.
03:30 - 04:00: Ran in hole with 12 ¼" BHA on 5 ½" DP from 190 m to 400 m. Filled pipe.
04:00 - 04:45: Ran in hole from 402 m to 430 m. No weight taken when passing through window. Established circulation and tested the MWD with 2500 LPM, 73 bar. End of operation for f 09

24-hour summary: None
Hourly activities:
04:45 - 05:30: Established circulation with 2800 LPM, 86 bar. Oriented tool face.
05:30 - 06:00: Drilled/oriented 12 1/4" hole from 436 m to 459 m with 2800 LPM, 89 bar, wob 3-5 ton. ROP 45-60 m/hr.
06:00 - 07:15: Drilled/oriented 12 1/4" hole from 459 m to 500 m with 2800 LPM, 89-92 bar, wob 4-7 ton. ROP 45 m/hr.
07:15 - 07:45: Removed cuttings blocking augers in lower shakers. Took survey. Reamed the interval from 485 m to 500 m with 3000 LPM, 100 bar, 38 RPM, 2-5 KNM.
07:45 - 08:15: Drilled/oriented 12 1/4" hole from 500 m to 511 m with 3000 LPM, 100-105 bar, 38 RPM, 4-7 KNM, wob 4-6 ton. ROP 45 m/hr.
08:15 - 09:00: Reamed the interval from 511 m to 473 m due to high dog leg. Reduced dog leg from 7 deg to 3 deg.
09:00 - 09:15: Removed cuttings blocking augers in lower shakers.
09:15 - 11:30: Drilled/oriented 12 1/4" hole from 511 m to 553 m with 3000 LPM, 94-103 bar, 0-40 RPM, 3-5 KNM, wob 4-6 ton. ROP 30-35 m/hr.
11:30 - 11:45: Reamed the interval from 553 m to 525 m to smoothen the well path.
11:45 - 17:30: Drilled/oriented 12 1/4" hole from 553 m to 714 m with 3250-3500 LPM, 115-140 bar, 0-40 RPM, 4-8 KNM, wob 4-8 ton. ROP 40-50 m/hr. Unable to receive GMWD survey.
17:30 - 18:30: Made several attempts to take GMWD survey without success.
18:30 - 19:30: Racked back stand. Took cluster shot survey.
19:30 - 00:00: Drilled/oriented 12 1/4" hole from 714 m to 822 m with 3500 LPM, 140 bar, 0-40 RPM, 4-8 KNM, wob 4-8 ton. ROP 30-40 m/hr.

24-hour summary: Drilled/oriented 12 1/4" hole from 459 m to 500 m. Removed cuttings blocking auger in lower shakers. Drilled/oriented 12 1/4" hole from 500 m to 511 m. Reamed from 511 m to 473 m to reduce dog leg from 7 deg to 3 deg. Drilled/oriented 12 1/4" hole from 511 m to 553 m. Reamed from 553 m to 525 m to smoothen the well path. Drilled/oriented 12 1/4" hole from 553 m to 714 m. Made several attempts to take GMWD survey without success. Took cluster survey. Drilled/oriented 12 1/4" hole from 714 m to 940 m. Circulated hole clean prior to drill into utsira formation.
Hourly activities:
00:00 - 05:45: Drilled/oriented 12 1/4" hole from 822 m to 940 m with 3500 LPM, 147-155 bar, 0-40 RPM, 6-12 KNM, wob 4-10 ton. ROP 30-45 m/hr.
05:45 - 06:00: Circulated hole clean prior to drill into utsira formation. 3500 LPM, 150 bar, 40 RPM, 6-10 KNM.
06:00 - 06:30: Circulated hole clean prior to drill into utsira formation. 3500 LPM, 150 bar, 40 RPM, 6-10 KNM. Circulated totally 2 times bu.
06:30 - 09:30: Drilled/oriented 12 1/4" hole from 940 m to 997 m with 3500 LPM, 147-155 bar, 0-40 RPM, 6-12 KNM, wob 4-10 ton. ROP 30-40 m/hr. Top utsira formation found at 959 m MD/882 m TVD.
09:30 - 09:45: Recorded parameters at TD up weight 124 tons, down weight 95 tons, rotation weight 109 ton with 20 RPM and 5-10 KNM.
09:45 - 10:00: Pumped 6, 2 m3 of 1, 40 SG LCM pill. Displaced pill with 10 m3 1, 19 SG mud to spot LCM pill across the utsira formation. 1300 LPM, 26-30 bar.
10:00 - 10:45: Pulled out of hole from 997 to 915 m. Maximum over pull taken, 15 tons.
10:45 - 11:45: Circulated the hole clean with 3800 LPM, 165 bar, 40 RPM, 6-14 KNM. Reciprocated the string while circulating. Circulated totally 4 times bu.
11:45 - 12:45: Displaced well to 1, 40 SG WBM. 3700 LPM, 155-170 bar, 40 RPM, 5-9 KNM.
12:45 - 13:00: Dropped a 3" drift into DP. Pumped drift down to dart sub. Pumped and displaced slug.
13:00 - 14:30: Pulled out of hole from 915 m to 395 m. Took maximum 15 ton over pull when pulling out from 915 m to 715 m. Slick hole seen above 715 m.
14:30 - 14:45: Recorded parameters above 13 3/8" casing window at 395 m up weight 107 tons, down weight 90 tons, rotation weight 99 ton with 20 RPM and 5-8 KNM.
14:45 - 15:15: Pulled out of hole from 395 m to 230 m.
15:15 - 15:30: Flow checked well on trip tank OK.
15:30 - 16:15: Performed safety check on TDS.
16:15 - 16:30: Pulled out of hole from 230 m to 190 m.
16:30 - 17:00: Pulled out of hole with 12 ¼" BHA from 190 m to 140 m.
17:00 - 17:30: Removed hydraulic power slips. Installed master bushing and bowls. Observed hydraulic leak on hydraulic elevator.
17:30 - 17:45: Repaired leak on hydraulic elevator.
17:45 - 19:00: Pulled out of hole with 12 ¼" BHA from 140 m to 80 m dart sub and accelerator).
19:00 - 21:15: Pulled out of hole and laid out 12 ¼" BHA from 80 m to surface.
21:15 - 21:45: Cleaned and tidied rig floor.
21:45 - 00:00: Rigged up 9 5/8" liner handling equipment on rig floor held pre-job meeting with involved personnel prior to run 9 5/8" liner.

24-hour summary: Circulated hole clean prior to drill into utsira formation. Drilled/oriented 12 1/4" hole from 940 m to 997 m. Spotted LCM pill across utsira formation. Pulled out of hole to 915 m. Circulated the hole clean. Displaced well to 1, 40 SG WBM. Pulled out of hole from 915 m to 230 m. Flow checked well. Performed safety check on TDS. Pulled out of hole from 230 m to 190 m. Pulled out of hole and racked back 12 ¼" BHA from 190 m to 80 m. Pulled out of hole and laid out 12 ¼" BHA from 80 m to surface. Rigged up 9 5/8" liner handling equipment. Made up and ran in hole with 9 5/8" liner to 330 m.
Hourly activities:
00:00 - 05:00: Waited on cement. Meanwhile performed maintenance and service on drilling and pipe handling equipment. Cleaned and prepared pits for packer fluid.
05:00 - 06:00: Circulated with 400 LPM, 5 bar to clean RTTS setting area from 215 m to 220 m. Set RTTS at 219 m, installed cement hose. Pressure tested surface lines to 120 bars for 5 minutes.
06:00 - 06:15: Pressure tested TSP liner packer and 9 5/8" liner to 90 bars for 10 minutes with sea water. Pumped 0. 175 l and bled back same.
06:15 - 06:30: Released RTTS, waited for 5 minutes for packer element to relax. Lo pump in sub assembly.
06:30 - 07:30: Pulled out of hole with RTTS from 219 m to surface.
07:30 - 08:00: Changed to 5" handling equipment. Bo and LD RTTS.
08:00 - 08:30: Cleaned and tidied rig floor. Held pre job meeting prior to PU 8 ½" BHA.
08:30 - 11:45: Made up and ran in hole with 8 ½" BHA to 180 m.
11:45 - 12:15: Changed from 5" to 5 ½" handling equipment. Picked up 1 single DP from deck and ran in hole to 205 m.
12:15 - 13:30: Ran in hole with 8 ½" BHA on 5 ½" DP from 205 m to 921 m.
13:30 - 14:45: Filled pipe and established circulation with 1600 LPM, 54 bar, 30 RPM, 8 KNM. Washed down from 921 m to 967 m. Tagged top of float plugs) at 967 m with 2 tons.
14:45 - 19:15: Drilled out wiper plug, casing FC, shoe track and 9 5/8" casing shoe from 967 m to 996 m with 1600 LPM, 55 bar, wob 2 5 tons, 30 RPM, 8 13 KNM. Meanwhile held pre-job meeting with involved personnel prior to drill 8 ½" section reviewed check lists and relevant safety operational issues.
19:15 - 19:30: Cleaned out rat hole below casing shoe with 1600 LPM, 55 bar, wob 0 1 tons, 30 RPM, 8 KNM. Simultaneously held pre job meeting prior to displace well from SW to 1. 28 SG soludrill mud.
19:30 - 20:15: Swept hole with 20 m3 hi-vis pill 1600 LPM, 45 bar, 30 RPM, 8-9 KNM.
20:15 - 22:30: Pumped 20 m3 of spacer, displaced well to 1. 26 SG soludrill mud, with 1600 LPM, 40-63 bar, 30 RPM, 8 KNM. Circulated 1 times bu after well displaced to condition mud.
22:30 - 00:00: Drilled/oriented 8 1/2" hole from 997 m to 1051 m with 1600-1900 LPM, 80-105 bar, 30-60 RPM, 7-10 KNM, wob 5-8 ton. ROP 45-50 m/hr. ECD 1. 39-1. 41 SG.

24-hour summary: Pressure tested TSP liner packer and 9 5/8" liner to 90 bars with sea water. Released and pulled out of hole with RTTS. Picked up and ran in hole with 8 ½" BHA. Drilled out shoe track and cleaned out rat hole. Displaced well to 1. 26 SG soludrill-n WBM. Drilled 8 ½" hole from 997 m to 1206 m. Circulated the hole clean.
Hourly activities:
00:00 - 04:45: Drilled/oriented 8 1/2" hole from 1051 m to 1206 m with 1900 LPM, 105-110 bar, 60 RPM, 8-10 KNM, wob 5-9 ton. ROP 40-60 m/hr. ECD 1. 41-1. 43 SG.
04:45 - 05:30: Racked back stand. Attempted to take cluster shot survey, observed torque peaks up to 19 KNM and 20 ton over pull when moving string after 2nd survey.
05:30 - 06:00: Circulated the hole clean with 1930 LPM, 100 bar, 100 RPM, 8-9 KNM. ECD 1. 42-1. 40 SG.
06:00 - 06:45: Circulated the hole clean with 1930 LPM, 100 bar, 100 RPM, 8-9 KNM. ECD 1. 42-1. 41 SG. Circulated totally 4 times bu.
06:45 - 08:00: Pulled out of hole from 1200 m to 1192 m. Attempted to take cluster shot survey surveys out of specification. Took MAX 30 ton over pull when moving string. Pumped out of hole from 1192 m to 1158 m with 1700 LPM, 81 bar.
08:00 - 08:45: Attempted to take cluster shot survey, surveys still out of specification.
08:45 - 09:15: Pulled out of hole from 1158 m to 1068 m.
09:15 - 10:00: Attempted to take cluster shot survey, surveys still out of specification.
10:00 - 10:30: Pulled out of hole from 1068 m to 962 m.
10:30 - 10:45: Flow checked well with bit inside 9 5/8" liner-ok.
10:45 - 11:45: Pulled out of hole from 962 m to 195 m.
11:45 - 12:00: Flow checked well-ok.
12:00 - 12:45: Pulled out of hole from 195 m to 140 m.
12:45 - 13:00: Removed hydraulic power slips and installed master bushing.
13:00 - 14:30: Pulled out of hole and racked back 8 ½" BHA from 140 m to 43 m.
14:30 - 16:15: Bo and LD 8 ½" BHA from 43 m to surface.
16:15 - 16:30: Cleaned and tidied rig floor.
16:30 - 16:45: Held pre-job meeting with involved personnel prior to pick up and run in hole with cleanout assembly reviewed check lists and relevant safety operational issues.
16:45 - 20:15: Made up and ran in hole with cleanout assembly to 825 m.
20:15 - 20:45: Ran in hole with cleanout assembly on 5 ½" DP from 825 m to 945 m. Broke circulation with 664 LPM, 8 bar. Up weight 102 tons and down weight 90 tons.
20:45 - 22:00: Ran in hole with cleanout assembly on 5 ½" DP from 945 m to 1202 m. Simultaneously held pre-job meeting with involved personnel prior to displace and clean well reviewed check lists and relevant safety operational issues.
22:00 - 22:30: Made up kelly cock and air operated ball release sub. Positioned mule shoe at 1205 m.
22:30 - 23:30: Established circulation and circulated 2 times bottoms up with 2000 LPM, 42 bar, 40 RPM, 4-6 KNM. Reciprocated string and scraped screen hanger setting area from 955 m to 946 m.
23:30 - 00:00: Displaced 1. 26 SG soludrill mud from open hole and up in 9 5/8" casing m to 746 m) by pumping 25 m3 of 1. 20 nacl brine with 2000 LPM, 40 bar.

24-hour summary: Circulated the hole clean. Attempted to take cluster shot survey. Pulled out of hole and laid out 8 ½" BHA. Made up and ran in hole with cleanout assembly. Displaced well to 1. 20 SG brine. Pumped and displaced wash train, circulated the well clean. Flow checked well. Pulled out of hole with cleanout assembly from 1205 m to 817 m. Lo cleanout assembly Pulled out of hole from 817 m to 743 m.
Hourly activities:
00:00 - 02:00: Continued mixing 1. 03 SG nacl brine. Meanwhile performed general rig maintenance.
02:00 - 02:30: Displaced 9 5/8" and 13 3/8" casing to 1. 03 SG nacl with 3000 LPM, 63 bars.
02:30 - 05:15: Pulled out of hole from 935 m to 15 m. Tripped with reduced speed due to high friction in the well causing vibration in derrick.
05:15 - 05:45: Removed hydraulic power slips and installed master bushing. Racked back stand.
05:45 - 06:00: Bo and LD liner hanger running tool.
06:00 - 06:15: Bo and LD liner hanger running tool.
06:15 - 07:00: Changed dies in iron roughneck. Cleaned and tidied rig floor.
07:00 - 07:30: Held pre job meeting prior to pick up swab cup assembly. Changed inserts in slips and elevator.
07:30 - 09:00: Picked up swab assemblies and ran in hole to 267 m.
09:00 - 09:30: Changed handling equipment. Meanwhile changed fitting on iron roughneck.
09:30 - 14:15: Ran in hole with swab cup assembly on 5 ½" DP from 267 m to 1187 m.
14:15 - 14:45: Circulated 1 time bu with 1500 LPM, 35-30 m.
14:45 - 15:15: Pumped 9. 6 m of citric acid, 1. 06 SG, displaced with 12. 6 m 1. 03 SG brine at 1500 LPM, 27 bars.
15:15 - 16:15: Observed well on trip tank. Gained 0. 36 m3/hr for the first half hour due to thermal expansion, then levelled of and stabilized.
16:15 - 17:30: Pulled the upper cup into the blank pipe and swabbed the well 11 times with 30 m strokes m) 30 m/min. Ran back to 1187 m. Opened the stand pipe valve. Pumped 0. 5 m down DP and displaced clean acid into well bore. Closed stand pipe valve. Pulled out of hole until upper swab cups above screens.
17:30 - 18:00: Monitored well on trip tank for losses. Loss rate 1. 5 2 m3/min.
18:00 - 19:30: Stopped filling the hole from trip tank and let fluid level in annulus drop to equilibrium.
19:30 - 20:30: Ran in hole to 1159 m. Removed hydraulic power slips and installed master bushing. Ran in hole from 1159 m to 1187 m.
20:30 - 21:00: Pumped 6. 2 m of citric acid, 1. 06 SG, displaced with 12. 8 m 1. 03 SG brine at 1500 LPM, 29 bars. No return seen.
21:00 - 21:30: Laid out double DP, installed side entry sub and kelly cock on string.
21:30 - 00:00: Held pre job meeting. Performed cut and slip of drill line. Broke bolts on dead mans anchor gear box.

24-hour summary: Bo and LD liner hanger running tool. Ran in hole with swab cups. Circulated 1 time bu. Pumped citric acid and swabbed well. Monitored loss rate 1. 5 2. 0 m3. Cut and slipped drill line. Repaired gear on dead mans anchor. Reset and tested anti-collision system after cut and slip. Bo side entry sub and kelly cock. Pulled upper cup into blank pipe.
Hourly activities:
00:00 - 00:15: Rigged up and spot ESP equipment.
00:15 - 05:00: Picked up and made up ESP assembly 1 and 2. Connected control lines to motor. Made up ¼" hydraulic line from multisensor gauge. Pumped oil into the motor by a hand pump. Serviced the motor and evacuated the air. Connected up the electrical cable to the motor and tested out same. Installed protectolizer clamp on the base of the motor.
05:00 - 06:00: Picked up and made up ESP assembly 3(esp pump).
06:00 - 06:15: Continued to make up ESP pump to protector. Installed clamp on ESP pump.
06:15 - 07:00: Picked up and made up ESP assembly 4(esp discharge pressure assembly).
07:00 - 07:15: Held pre job meeting.
07:15 - 08:30: Picked up and made up bolt-on discharge head XO joint.
08:30 - 11:15: Picked up and made up first 7 5/8" tubing joint. Adjusted and aligned casing tong. Held pre job meeting prior to install hydraulic power slips. Installed clamp on tubing for protection while installing hydraulic power slips. Installed hydraulic power slips. Removed clamp.
11:15 - 13:00: Ran 7 5/8" tubing from 33 m to 93 m.
13:00 - 14:30: Lo 3 joints of tubing due to bad connections.
14:30 - 15:15: Ran 7 5/8" tubing from 81 m to 105 m.
15:15 - 15:30: Lo 1 joint of tubing due to bad connection.
15:30 - 16:45: Ran 7 5/8" tubing from 105 m to 117 m. Lo 2 joints of tubing due to bad connections.
16:45 - 17:00: Discussed further operation. Decided to clean all pins and boxes, check threads and re-dope the tubing.
17:00 - 20:15: Ran 7 5/8" tubing from 105 m to 176 m.
20:15 - 21:00: Lo 2 joints of tubing due to bad connections.
21:00 - 00:00: Ran 7 5/8" tubing from 164 m to 273 m.

24-hour summary: Made up ESP assemblies. Ran in hole with ESP assembly on 7 5/8" tubing to 357 m. Lo totally 8 joints due to bad connections. Installed and oriented tubing hanger. Removed hydraulic power slips and installed master bushing.
Hourly activities:
00:00 - 02:30: Ran 7 5/8" tubing from 273 m to 357 m.
02:30 - 02:45: Performed electrical check of down hole system. Changed inserts in elevator. Confirmed remaining liner joints on deck-ok.
02:45 - 03:15: Made up tubing hanger/swivel assembly.
03:15 - 05:00: Broke fast connection. Oriented the tubing hanger. Made up fast connection. Cleared rig floor of redundant equipment.
05:00 - 06:00: Installed clamps on tubing for protection while removing hydraulic power slips and installing master bushing. Removed hydraulic power slips.
06:00 - 07:00: Installed penetrator incluning seals through hanger.
07:00 - 08:15: Schlumberger prepared for electrical cable splice.
08:15 - 12:00: Spaced out and spliced cable.
12:00 - 12:15: Attached peneterator to hanger.
12:15 - 12:30: Pressure tested peneterator o-ring to 69 bar 10 min. OK.
12:30 - 13:45: Tested electric cable. TBT prior to pull mastrer bushing.
13:45 - 14:00: Ran hanger through rotary table. Had to remove master bushing.
14:00 - 14:45: RIH and landed hanger 20,92m in on landing string.
14:45 - 15:00: Checked electrical cable, OK.
15:00 - 15:15: Disconnected tubing hanger running tool and POOH with same.
15:15 - 15:30: TBT prior to remove casing tong.
15:30 - 16:00: Removed casing tong.
16:00 - 16:30: B/o and l/d running tool on deck.
16:30 - 17:00: Cleared and cleaned rigfloor.
17:00 - 18:15: TBT SJA and preparation to pull diverter.
18:15 - 19:00: Pulled master bushing, installed handrails around rotary. Installed lifting equipment for diverter.
19:00 - 19:15: TBT prior to pull diverter.
19:15 - 19:45: Pulled diverter and l/d same on deck.
19:45 - 20:45: Rigged up double set of slings for pulling riser, held TBT.
20:45 - 00:00: Installed slings and attempted to pull riser. No go.

24-hour summary: Installed penetrator incluning seals through hanger. Spaced out and spliced cable. Attached and pressure tested peneterator o-ring to 69 bar 10 min. OK. RIH and landed hanger 20,92m in on landing string. L/d tubing hanger. Removed casing tong. Made several attempts to disconnect riser, no go.
Hourly activities:
00:00 - 05:00: Continued attempts to pull riser. Moved riser, adjusted bolts, tried to re-position lock ring.
05:00 - 06:00: Could not disconnect riser from well head. Contacted town, trouble shot.
06:00 - 07:15: Troubleshot problems with lock ring between riser and wellhead. TBT with on comming crew.
07:15 - 11:15: Adjusted release bolts to press lock ring in centre. Took 3 ton over pull, slacked off to neutral. Continued to adjust stroke of bolts. Riser free.
11:15 - 11:30: Picked up riser, installed master bushing.
11:30 - 11:45: TBT prior to l/d riser.
11:45 - 12:15: L/d riser on deck.
12:15 - 15:45: Prepared wellhead for spacer spool.
15:45 - 16:00: Checked yellow tugger wire, OK. TBT prior to installation of spacer spool.
16:00 - 17:30: Installed flowhead and spacer spool according to vetco procedures. Took 1 ton overpull verification test.
17:30 - 19:00: Removed and l/d lifting equipment. Cleaned rigfloor and wellhead area. Removed handrails on the weatherdeck.
19:00 - 20:30: Leak tested cable peneterator seals in tubing bonnet to 69 bar 10 min. OK. Meanwhile held TBT prior to disconnect kelly hose.
20:30 - 21:45: Leak tested bonnet cavity to 69 bar 10 min. OK. Meanwhile started to disconnect kelly hose. End of operation f 9a. Well handed over to production.

24-hour summary: Troubleshot problems with lock ring between riser and wellhead. Adjusted release bolts to press lock ring in centre. Took 3 ton over pull, slacked off to neutral. Continued to adjust stroke of bolts. Riser free. Installed spacer spool according to vetco procedures. Took 1 ton overpull verification test. Leak tested cable peneterator seals in tubing bonnet to 69 bar 10 min. OK. Meanwhile held TBT prior to disconnect kelly hose. Leak tested bonnet cavity to 69 bar 10 min. OK. Meanwhile started to disconnect kelly hose. End of operation f 9a. Well handed over to production.
Hourly activities:
15:30 - 16:00: Well handed over from production. Held pre-job meeting for removal of flowline and ball valve. Lifted off f-9 hatch cover in moonpool.
16:00 - 18:00: Disconnected flowline from f-9. Secured same on XMT deck.
18:00 - 19:00: Prepared to remove ball valve from flow head assembly.
19:00 - 19:45: Prepared to pull diverter.
19:45 - 20:00: Performed TBT for pulling diverter and securing same to DP in derrick.
20:00 - 20:30: Removed master bushings and outer ring, installed handrails around rotary. Installed diverter lifting eyes and connected lifting bridle.
20:30 - 21:00: Pulled diverter and secured same to DP in derrick.
21:00 - 21:30: Performed TBT for removing ball valve from spacer spool and pulling spacer spool and tubing bonnet to drill floor.
21:30 - 22:00: Removed ball valve from spacer spool and secured same on XMT deck.
22:00 - 23:00: Rigged up to pull spacer spool and tubing bonnet to drill floor. Made up release bolts on tubing bonnet. Meanwhile production dept shut-in nearby wells according to simops procedure.
23:00 - 00:00: Attempted to lift spacer spool and tubing bonnet without success, 3 ton overpull. Slacked off weight and retried several times. No movement.

24-hour summary: Well handed over from production. Disconnected flowline. Removed ball valve from spacer spool. Prepared to lift spacer spool and tubing bonnet.