|
Next Section |
Table of Contents
doi:10.2204/iodp.pr.312.2006
Table T4. Hole 1256D operations conducted during Expedition 309.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Arrive on site, lower all thrusters
|
1030
|
17-Jul
|
|
|
|
|
Reentry 1
|
1945
|
17-Jul
|
9.25
|
9.25
|
0.39
|
|
Begin WSTP run
|
0030
|
18-Jul
|
4.75
|
14.00
|
0.58
|
|
End WSTP
|
0430
|
18-Jul
|
4.00
|
18.00
|
0.75
|
|
Begin APCT run
|
0430
|
18-Jul
|
0.00
|
18.00
|
0.75
|
|
End APCT run
|
0630
|
18-Jul
|
2.00
|
20.00
|
0.83
|
|
Begin second WSTP run
|
0630
|
18-Jul
|
0.00
|
20.00
|
0.83
|
|
End second WSTP run
|
0830
|
18-Jul
|
2.00
|
22.00
|
0.92
|
|
Rig up logging equipment
|
1015
|
18-Jul
|
1.75
|
23.75
|
0.99
|
|
End triple combo
|
2045
|
18-Jul
|
10.50
|
34.25
|
1.43
|
|
End FMS
|
0530
|
19-Jul
|
8.75
|
43.00
|
1.79
|
Clear seafloor at 0615 h 18 July
|
Clear cone
|
0615
|
19-Jul
|
0.75
|
43.75
|
1.82
|
|
Deploy RCB bit 1
|
1500
|
19-Jul
|
8.75
|
52.50
|
2.19
|
|
Reentry 2
|
2325
|
19-Jul
|
8.42
|
60.92
|
2.54
|
|
Begin coring with bit 1
|
1200
|
20-Jul
|
12.58
|
73.50
|
3.06
|
|
End coring with bit 1
|
0145
|
23-Jul
|
61.75
|
135.25
|
5.64
|
Clear seafloor at 0410 h 22 July
|
Bit 1 on deck
|
1000
|
23-Jul
|
8.25
|
143.50
|
5.98
|
|
Deploy bit 2
|
1200
|
23-Jul
|
2.00
|
145.50
|
6.06
|
|
Start-slip and cut drilling line
|
1645
|
23-Jul
|
4.75
|
150.25
|
6.26
|
|
End-slip and cut drilling line
|
1745
|
23-Jul
|
1.00
|
151.25
|
6.30
|
|
Reentry 3
|
1911
|
23-Jul
|
1.43
|
152.68
|
6.36
|
|
Begin coring with bit 2
|
2230
|
23-Jul
|
3.32
|
156.00
|
6.50
|
|
End coring with bit 2
|
0010
|
27-Jul
|
73.67
|
229.67
|
9.57
|
Clear seafloor at 0300 h 26 July
|
Bit 2 on deck
|
0830
|
27-Jul
|
8.33
|
238.00
|
9.92
|
3.9375
|
Deploy bit 3
|
1000
|
27-Jul
|
1.50
|
239.50
|
9.98
|
|
Reentry 4
|
1610
|
27-Jul
|
6.17
|
245.67
|
10.24
|
|
Begin coring with bit 3
|
2045
|
27-Jul
|
4.58
|
250.25
|
10.43
|
|
End Coring with bit 3
|
1530
|
30-Jul
|
66.75
|
317.00
|
13.21
|
Clear seafloor at 1800 h 29 July
|
Bit 3 on deck
|
0000
|
31-Jul
|
8.50
|
325.50
|
13.56
|
|
Deploy bit 4
|
0000
|
31-Jul
|
0.00
|
325.50
|
13.56
|
|
WSTP sample
|
1000
|
31-Jul
|
10.00
|
335.50
|
13.98
|
|
Reentry 5
|
1015
|
31-Jul
|
0.25
|
335.75
|
13.99
|
|
Begin coring with bit 4
|
1445
|
31-Jul
|
4.50
|
340.25
|
14.18
|
Cracked bit sub
|
End coring with bit 4
|
1745
|
1-Aug
|
27.00
|
367.25
|
15.30
|
Clear seafloor at 2215 h 31 July
|
Bit 4 on deck
|
0300
|
2-Aug
|
9.25
|
376.50
|
15.69
|
|
Deploy bit 5
|
0630
|
2-Aug
|
3.50
|
380.00
|
15.83
|
|
Reentry 6
|
1415
|
2-Aug
|
7.75
|
387.75
|
16.16
|
|
Start-slip and cut drilling line
|
1430
|
2-Aug
|
0.25
|
388.00
|
16.17
|
|
End-slip and cut drilling line
|
1530
|
2-Aug
|
1.00
|
389.00
|
16.21
|
|
Begin coring with bit 5
|
1945
|
2-Aug
|
4.25
|
393.25
|
16.39
|
|
End coring with bit 5
|
1845
|
5-Aug
|
71.00
|
464.25
|
19.34
|
Clear seafloor at 2115 h 4 Aug
|
Bit 5 on deck
|
0200
|
6-Aug
|
7.25
|
471.50
|
19.65
|
|
Deploy bit 6
|
0215
|
6-Aug
|
0.25
|
471.75
|
19.66
|
|
Reentry 7
|
0951
|
6-Aug
|
7.60
|
479.35
|
19.97
|
|
Begin coring with bit 6
|
1430
|
6-Aug
|
4.65
|
484.00
|
20.17
|
|
End coring with bit 6
|
0930
|
9-Aug
|
67.00
|
551.00
|
22.96
|
Clear seafloor at 0400 h 8 Aug
|
Bit 6 on deck
|
1800
|
9-Aug
|
8.50
|
559.50
|
23.31
|
|
Deploy bit 7
|
1815
|
9-Aug
|
0.25
|
559.75
|
23.32
|
|
Reentry 8
|
0145
|
10-Aug
|
7.50
|
567.25
|
23.64
|
|
Begin coring with bit 7
|
0815
|
10-Aug
|
6.50
|
573.75
|
23.91
|
|
End coring with bit 7
|
1415
|
12-Aug
|
54.00
|
627.75
|
26.16
|
Clear seafloor at 1350 h 12 Aug
|
NDT inspect drill collar
|
0405
|
13-Aug
|
13.83
|
641.58
|
26.73
|
|
Bit 7 on deck
|
0415
|
13-Aug
|
0.17
|
641.75
|
26.74
|
|
Deploy bit 8
|
0415
|
13-Aug
|
0.00
|
641.75
|
26.74
|
|
Check drill string for cracks
|
1345
|
13-Aug
|
9.50
|
651.25
|
27.14
|
|
Change out two stands 5 inch drill pipe
|
2030
|
13-Aug
|
6.75
|
658.00
|
27.42
|
|
Reentry 9
|
0230
|
14-Aug
|
6.00
|
664.00
|
27.67
|
|
Begin coring with bit 8
|
0730
|
14-Aug
|
5.00
|
669.00
|
27.88
|
|
End coring with bit 8
|
1045
|
17-Aug
|
75.25
|
744.25
|
31.01
|
Clear seafloor at 1340 h 16 Aug
|
Bit 8 on deck
|
1945
|
17-Aug
|
9.00
|
753.25
|
31.39
|
|
Deploy bit 9
|
2000
|
17-Aug
|
0.25
|
753.50
|
31.40
|
|
Reentry 10
|
0340
|
18-Aug
|
7.67
|
761.17
|
31.72
|
|
Begin coring with bit 9
|
0730
|
18-Aug
|
3.83
|
765.00
|
31.88
|
|
End coring with bit 9
|
1040
|
21-Aug
|
75.17
|
840.17
|
35.01
|
|
Begin wiper trip
|
1040
|
21-Aug
|
0.00
|
840.17
|
35.01
|
|
End wiper trip
|
1800
|
21-Aug
|
7.33
|
847.50
|
35.31
|
Clear seafloor at 1640 h 20 Aug
|
Bit 9 on deck
|
0200
|
22-Aug
|
8.00
|
855.50
|
35.65
|
|
Make up logging BHA/deploy
|
0200
|
22-Aug
|
0.00
|
855.50
|
35.65
|
|
Reentry 11
|
0800
|
22-Aug
|
6.00
|
861.50
|
35.90
|
|
Run in hole to casing shoe
|
0830
|
22-Aug
|
0.50
|
862.00
|
35.92
|
|
Rig up logging equipment
|
1200
|
22-Aug
|
3.50
|
865.50
|
36.06
|
|
Triple combo completed
|
2315
|
22-Aug
|
11.25
|
876.75
|
36.53
|
Not able to get WST
|
FMS-sonic completed
|
1100
|
23-Aug
|
11.75
|
888.50
|
37.02
|
Downhole
|
UBI experiment completed
|
0400
|
24-Aug
|
17.00
|
905.50
|
37.73
|
Clear seafloor at 0600 h 24 Aug
|
WST experiment completed
|
1315
|
24-Aug
|
9.25
|
914.75
|
38.11
|
|
FMS-sonic completed
|
0500
|
25-Aug
|
15.75
|
930.50
|
38.77
|
|
Beacon recovered
|
1200
|
25-Aug
|
7.00
|
937.50
|
39.06
|
|
Rig for departure
|
1300
|
25-Aug
|
1.00
|
938.50
|
39.10
|
Beacon recovered
|
Depart location
|
1300
|
25-Aug
|
0.00
|
938.50
|
39.10
|
After 39 days
|
Notes: WSTP = Water Sampling Temperature Probe, APCT = Advanced Piston Corer Temperature tool, FMS = Formation MicroScanner, RCB = rotary core barrel, NDT = nondestructive testing, BHA = bottom-hole assembly, UBI = Ultrasonic Borehole Imager, WST = Well Seismic Tool.
Next Section |
Table of Contents
| 