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Table T6. Operations conducted in Hole 1256D, Expedition 309.

Operation in Hole 1256D Local time
(h)		 Date
(2005)		 Time Comments
On hole
(h)		 On site
(h)		 On site
(days)
Arrive on site, lower all thrusters 1030 16 Jul



Reentry number 1 1945 16 Jul 9.25 9.25 0.39
Begin WSTP run 0030 17 Jul 4.75 14.00 0.58
End WSTP 0430 17 Jul 4.00 18.00 0.75
Begin APCT run 0430 17 Jul 0.00 18.00 0.75
End APCT run 0630 17 Jul 2.00 20.00 0.83
Begin second WSTP run 0630 17 Jul 0.00 20.00 0.83
End second WSTP run 0830 17 Jul 2.00 22.00 0.92
Rig up logging equipment 1015 17 Jul 1.75 23.75 0.99
End triple combo 2045 17 Jul 10.50 34.25 1.43
End FMS 0530 18 Jul 8.75 43.00 1.79 Clear seafloor at 0615 h on 18 July
Clear cone 0615 18 Jul 0.75 43.75 1.82
Deploy RCB bit number 1 1500 18 Jul 8.75 52.50 2.19
Reentry number 2 2325 18 Jul 8.42 60.92 2.54
Begin coring with bit number 1 1200 19 Jul 12.58 73.50 3.06
End coring with bit number 1 0145 22 Jul 61.75 135.25 5.64 Clear seafloor at 0410 h on 22 July
Bit number 1 on deck 1000 22 Jul 8.25 143.50 5.98
Deploy bit number 2 1200 22 Jul 2.00 145.50 6.06
Start-slip and cut drilling line 1645 22 Jul 4.75 150.25 6.26
End-slip and cut drilling line 1745 22 Jul 1.00 151.25 6.30
Reentry number 3 1911 22 Jul 1.43 152.68 6.36
Begin coring with bit number 2 2230 22 Jul 3.32 156.00 6.50
End coring with bit number 2 0010 26 Jul 73.67 229.67 9.57 Clear seafloor at 0300 h on 26 July
Bit number 2 on deck 0830 26 Jul 8.33 238.00 9.92
Deploy bit number 3 1000 26 Jul 1.50 239.50 9.98
Reentry number 4 1610 26 Jul 6.17 245.67 10.24
Begin coring with bit number 3 2045 26 Jul 4.58 250.25 10.43
End coring with bit number 3 1530 29 Jul 66.75 317.00 13.21 Clear seafloor at 1800 h on 29 July
Bit number 3 on deck 0000 30 Jul 8.50 325.50 13.56
Deploy bit number 4 0000 30 Jul 0.00 325.50 13.56
WSTP sample 1000 30 Jul 10.00 335.50 13.98
Reentry number 5 1015 30 Jul 0.25 335.75 13.99
Begin coring with bit number 4 1445 30 Jul 4.50 340.25 14.18 Cracked bit sub
End coring with bit number 4 1745 31 Jul 27.00 367.25 15.30 Clear seafloor at 2215 h on 31 July
Bit number 4 on deck 0300 1 Aug 9.25 376.50 15.69
Deploy bit number 5 0630 1 Aug 3.50 380.00 15.83
Reentry number 6 1415 1 Aug 7.75 387.75 16.16
Start-slip and cut drilling line 1430 1 Aug 0.25 388.00 16.17
End-slip and cut drilling line 1530 1 Aug 1.00 389.00 16.21
Begin coring with bit number 5 1945 1 Aug 4.25 393.25 16.39
End coring with bit number 5 1845 4 Aug 71.00 464.25 19.34 Clear seafloor at 2115 h on 4 Aug
Bit number 5 on deck 0200 5 Aug 7.25 471.50 19.65
Deploy bit number 6 0215 5 Aug 0.25 471.75 19.66
Reentry number 7 0951 5 Aug 7.60 479.35 19.97
Begin coring with bit number 6 1430 5 Aug 4.65 484.00 20.17
End coring with bit number 6 0930 8 Aug 67.00 551.00 22.96 Clear seafloor at 0400 h on 8 Aug
Bit number 6 on deck 1800 8 Aug 8.50 559.50 23.31
Deploy bit number 7 1815 8 Aug 0.25 559.75 23.32
Reentry number 8 0145 9 Aug 7.50 567.25 23.64
Begin coring with bit number 7 0815 9 Aug 6.50 573.75 23.91
End coring with bit number 7 1415 11 Aug 54.00 627.75 26.16 Clear seafloor at 1350 h on 12 Aug
NDT inspect DC 0405 12 Aug 13.83 641.58 26.73
Bit number 7 on deck 0415 12 Aug 0.17 641.75 26.74
Deploy bit number 8 0415 12 Aug 0.00 641.75 26.74
Check drill string for cracks 1345 12 Aug 9.50 651.25 27.14
Change out 2 stands 5 inch drill pipe 2030 12 Aug 6.75 658.00 27.42
Reentry number 9 0230 13 Aug 6.00 664.00 27.67
Begin coring with bit number 8 0730 13 Aug 5.00 669.00 27.88
End coring with bit number 8 1045 16 Aug 75.25 744.25 31.01 Clear seafloor at 1340 h on 16 Aug
Bit number 8 on deck 1945 16 Aug 9.00 753.25 31.39
Deploy bit number 9 2000 16 Aug 0.25 753.50 31.40
Reentry number 10 0340 17 Aug 7.67 761.17 31.72
Begin coring with bit number 9 0730 17 Aug 3.83 765.00 31.88
End coring with bit number 9 1040 20 Aug 75.17 840.17 35.01
Begin wiper trip 1040 20 Aug 0.00 840.17 35.01
End wiper trip 1800 20 Aug 7.33 847.50 35.31 Clear seafloor at 1640 h on 20 Aug
Bit number 9 on deck 0200 21 Aug 8.00 855.50 35.65
Make up/Deploy logging BHA 0200 21 Aug 0.00 855.50 35.65
Reentry number 11 0800 21 Aug 6.00 861.50 35.90
Run in hole to casing shoe 0830 21 Aug 0.50 862.00 35.92
Rig up logging equipment 1200 21 Aug 3.50 865.50 36.06
Triple combo completed 2315 21 Aug 11.25 876.75 36.53 Not able to get WST downhole
FMS-sonic completed 1100 22 Aug 11.75 888.50 37.02
UBI experiment completed 0400 23 Aug 17.00 905.50 37.73 Clear seafloor at 0600 h on 24 Aug
WST experiment completed 1315 23 Aug 9.25 914.75 38.11
FMS-sonic completed 0500 24 Aug 15.75 930.50 38.77
Beacon recovered 1200 24 Aug 7.00 937.50 39.06
Rig for departure 1300 24 Aug 1.00 938.50 39.10 Beacon recovered after 39 days
Depart location 1300 24 Aug 0.00 938.50 39.10

Notes: WSTP = Water Sampling Temperature Probe, APCT = Advanced Piston Corer Temperature tool, FMS = Formation MicroScanner, RCB = Rotary Core Barrel, NDT = nondestructive testing, DC = drill collar, BHA = bottom-hole assembly, WST = Well Seismic Tool, UBI = Ultrasonic Borehole Imager.

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