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Table T1. Coring summary, transect RIB-02A. (See table note.)
|
Core
|
Date (2010)
|
Time
(UTC)
|
Depth (mbsf)
|
Length (m)
|
Recovery (%)
|
Comments
|
|
Top
|
Bottom
|
Cored
|
Recovered
|
|
325-M0049A-
|
|
1X
|
21 Mar
|
2330
|
0
|
2
|
2
|
0.5
|
25.00
|
Fluorescent microspheres.
|
|
2X
|
22 Mar
|
0025
|
2
|
3.5
|
1.5
|
0.27
|
18.00
|
Borehole stopped because of excessive leak at flush pipe/water swivel.
|
|
325-M0049B-
|
|
1X
|
22 Mar
|
0420
|
0
|
0.7
|
0.7
|
0.1
|
14.29
|
Fluorescent microspheres.
|
|
2X
|
22 Mar
|
0500
|
0.7
|
2.2
|
1.5
|
0.09
|
6.00
|
|
|
3X
|
22 Mar
|
0535
|
2.2
|
3.7
|
1.5
|
0.17
|
11.33
|
|
|
4R
|
22 Mar
|
0615
|
3.7
|
5.2
|
1.5
|
0.28
|
18.67
|
|
|
5R
|
22 Mar
|
0650
|
5.2
|
6.7
|
1.5
|
0.15
|
10.00
|
|
|
6R
|
22 Mar
|
0730
|
6.7
|
8.2
|
1.5
|
0.24
|
16.00
|
|
|
7R
|
22 Mar
|
0800
|
8.2
|
10.2
|
2
|
0
|
0.00
|
|
|
8R
|
22 Mar
|
0840
|
10.2
|
11.7
|
1.5
|
0.29
|
19.33
|
|
|
9R
|
22 Mar
|
0935
|
11.7
|
13.3
|
1.6
|
0.38
|
23.75
|
|
|
10R
|
22 Mar
|
1050
|
13.3
|
13.8
|
0.5
|
0.46
|
92.00
|
Significant vibration through drill string limits RPM.
|
|
11R
|
22 Mar
|
1150
|
13.8
|
14.1
|
0.3
|
0.24
|
80.00
|
|
|
12R
|
22 Mar
|
1350
|
14.1
|
15.1
|
1
|
0.39
|
39.00
|
|
|
13R
|
22 Mar
|
1520
|
15.1
|
15.6
|
0.5
|
0
|
0.00
|
Core slipped on retrieval.
|
|
325-M0050A-
|
|
1X
|
22 Mar
|
1720
|
0
|
2.6
|
2.6
|
1.11
|
42.69
|
|
|
2R
|
22 Mar
|
1820
|
2.6
|
5.1
|
2.5
|
0.36
|
14.40
|
|
|
3R
|
22 Mar
|
1855
|
5.1
|
6.6
|
1.5
|
0.14
|
9.33
|
|
|
4R
|
22 Mar
|
1930
|
6.6
|
8.1
|
1.5
|
0.11
|
7.33
|
Drive tube top thread gave out—replaced tube and added new bit.
|
|
5R
|
22 Mar
|
2020
|
8.1
|
9.6
|
1.5
|
0.07
|
4.67
|
|
|
6R
|
22 Mar
|
2120
|
9.6
|
10.5
|
0.9
|
0.08
|
8.89
|
|
|
325-M0051A-
|
|
1R
|
23 Mar
|
0105
|
0
|
1
|
1
|
0.1
|
10.00
|
|
|
2R
|
23 Mar
|
1400
|
1
|
2.5
|
1.5
|
0.05
|
3.33
|
ALN barrel stuck in BHA because of broken latch lug. Bit crushed. API drill sting tripped to recover barrel.
|
Note: UTC = Universal Time Coordinated, RPM = revolutions per minute, ALN = alien corer (standard rotary corer), BHA = bottom-hole assembly, API = American Petroleum Institute.
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