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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
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
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

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