Hourly activities:
00:00 - 00:30: Contiuned calibration of schlumberger MWD block height.
00:30 - 01:45: Continued RIH with 8½" drilling BHA on 5" DP, from 545m to 953m. Using remote operated cleaning and greasing device for the DP. Trip time 326 m/hour.
01:45 - 02:30: Filled the pipe and emptied the trip tank.
02:30 - 03:00: Continued RIH with 8½" drilling BHA on 5" DP, from 953m to 1115m. Using remote operated cleaning and greasing device for the DP. Trip time 324 m/hour.
03:00 - 03:30: Made up 5" x 5½" XO. And changed over to 5½" surface handlig equipment.
03:30 - 04:30: Continued RIH with 8½" drilling BHA on 5½" DP, from 1115m to 1317m. Using remote operated cleaning and greasing device for the DP. Trip time 202 m/hour.
04:30 - 04:45: Filled the pipe and emptied the trip tank.
04:45 - 06:00: Continued RIH with 8½" drilling BHA on 5½" DP, from 1317m to 1722m. Using remote operated cleaning and greasing device for the DP. Trip time 324 m/hour.
06:00 - 06:15: Filled the pipe and emptied the trip tank.
06:15 - 07:15: Held choke drill with night and day shift.
07:15 - 07:30: Held tool box prior to continue RIH with 8½" drilling BHA on 5½" DP.
07:30 - 10:00: Continued RIH with 8½" drilling BHA on 5½" DP, from 1722m to 2731m. Using remote operated cleaning and greasing device for the DP. Trip time 403 m/hour.
10:00 - 11:15: Made up to TDS. Washed down and tagged TOC at 2754m. Tagged with 2 MT, parameters flow 1690 LPM SPP 128 bar string RPM 50 TQ 4-6 KNM. Mud weight 1. 3 SG.
11:15 - 16:15: Drilled out float from 2754m to 2758m. Drilling parameters flow 1690 LPM SPP 128 bar string RPM 60 TQ 5-8 KNM. Mud weight 1. 30 SG.
16:15 - 18:30: Drilled out shoe track from 2758m to 2783m. Drilling parameters flow 1690 LPM SPP 128 bar string RPM 60 TQ 5-8 KNM. Mud weight 1. 30 SG. Reamed the shoe and pulled back through shoe with no rotation.
18:30 - 20:45: Drilled new formation from 2788m to 2791m. Cleaned out rate hole and verified no restrictions. Drilling parameters flow 1695 LPM SPP 124 bar string RPM 70 wob 1-5 MT TQ 6-11 KNM. Mud weight 1. 3 SG.
20:45 - 21:30: Circulated to even mud weight of 1. 30 SG in/out. Meanwhile held tool box talk prior to perform fit.
21:30 - 21:45: Pulled up in the shoe having the bit out of the shoe.
21:45 - 22:00: Flushed the lines from CMT unit to the rig floor down the string and up annulus using the CMT unit. Lined up and leak tested the line from CMT unit to the rig floor 100 bars. 5 mins. Simultaneously closed the pipe ram of the BOP.
22:00 - 22:30: Took fit equivalent to 1. 56 SG, using 1. 30 SG heavy OBM. Pumped 70 LPM and applied 71. 5 bars to the string and annulus. Shut down the pump. Downhole reading from schlumberger equivalent to 1,565 SG.
22:30 - 23:00: Pumped down the hole with OBM from the CMT unit. Lined up for drilling.
23:00 - 23:30: Took survey at 2789m and set tool.
23:30 - 00:00: Continued to drill 8½" hole from 2791m to 2793m. Drilling parameters flow 1695 LPM SPP 168 bar string RPM 100 wob 9-10 MT TQ 10-13 KNM ROP 8 m/hour ESD 1. 393 SG mud weight 1. 30 SG.

24-hour summary: RIH with 8½" drilling BHA on 5½" DP. Tagged TOC at 2754m. Drilled out shoe track from 2754m to 2783m 3m new formation. Took fit equivalent 1. 56 SG, using 1. 30 SG heavy OBM. Continued drill 8½" hole from 2791m to 2850m.