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doi:10.2204/iodp.pr.302.2005
Table T4. Breakdown of operational time while on site during Expedition 302 (ACEX).
|
Date (2004)
|
Time (h)
|
Comments
|
||||||
|
T
|
P
|
D
|
W
|
B
|
TR
|
Total
|
||
| 15 Aug |
8.50 |
2.50 |
2.00 |
13 |
Chicksan valve broken |
|||
| 16 Aug |
6.00 |
5.00 |
13.00 |
24 |
XCB lost |
|||
| 17 Aug |
24.00 |
24 |
BHA lost; chicksan valve broken |
|||||
| 18 Aug |
13.00 |
11.00 |
24 |
Repair of chicksan valve |
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| 19 Aug |
9.58 |
14.42 |
24 |
|||||
| 20 Aug |
22.83 |
1.17 |
24 |
|||||
| 21 Aug |
15.83 |
8.17 |
24 |
|||||
| 22 Aug |
24.00 |
24 |
||||||
| 23 Aug |
10.00 |
14.00 |
24 |
|||||
| 24 Aug |
9.50 |
1.00 |
10.00 |
3.50 |
24 |
|||
| 25 Aug |
10.67 |
1.00 |
1.00 |
11.33 |
24 |
Iron roughneck failed; reflective seismics (D) |
||
| 26 Aug |
3.50 |
4.25 |
16.25 |
24 |
Wireline termination failed |
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| 27 Aug |
13.50 |
1.50 |
1.75 |
7.25 |
24 |
Chicksan valve broken third time |
||
| 28 Aug |
21.33 |
2.67 |
24 |
APC stuck |
||||
| 29 Aug |
24.00 |
24 |
||||||
| 30 Aug |
24.00 |
24 |
||||||
| 31 Aug |
24.00 |
24 |
||||||
| 1 Sept |
4.75 |
5.42 |
11.67 |
1.00 |
1.17 |
24 |
||
| 2 Sept |
1.83 |
2.92 |
19.25 |
24 |
Logging failed, plugged bit |
|||
| 3 Sept |
23.08 |
0.92 |
24 |
|||||
| 4 Sept |
5.50 |
12.67 |
5.83 |
24 |
Equipment frozen |
|||
| 5 Sept |
8.33 |
8.75 |
6.92 |
24 |
APC stuck in BHA |
|||
| 6 Sept |
5.00 |
6.50 |
8.00 |
4.50 |
24 |
Maintenance of ships; reflective seismics (D) |
||
|
Totals:
|
68.1 |
18.9 |
247.9 |
53.3 |
137.6 |
15.3 |
541 |
|
| Percent. |
12.6 |
3.5 |
45.8 |
9.8 |
25.4 |
2.8 |
||
Notes: XCB = extended core barrel, BHA = bottom-hole assembly, APC = advanced piston corer. Approval was given to start running pipe on Site M0001 at 1100 h on 15 August