Next Section | Table of Contents

Table T4. Hole 1256D operations conducted during Expedition 309.

Operation
Local time (h)
Date (2005)
Time on hole (h)
Time on site (h)
Time on site (days)
Comments







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