Core
|
Deployment
number |
Date
(Jul 2002) |
Local time
(hr)
|
Depth
|
BSR
(mbsf) |
Lithology
|
Core recovered
(cm) |
Pressure
(kbar) |
Comments
|
|
---|---|---|---|---|---|---|---|---|---|---|
Water (mbsl)
|
Core
(mbsf) |
|||||||||
204-1251B- |
|
|
|
|
|
|
|
|
|
|
21Y | FPC 1 | 27 | 2000 | 1224 | 171 | 193 | Lightly indurated silty clay | 71 (0 curated) | 0 | 20 m above BSR; full stroke, no retraction; core exploded on deck; DSA and FPC logger did not function correctly. |
40Y | FPC 2 | 28 | 2210 | 1224 | 329 | 193 | Well indurated silty clay | 0 | 0 | 250 m below BSR; full retraction; internal implosion of liner; lower valve failed to seal; DSA and FPC logger did not function correctly. |
48E | HRC 1 | 29 | 1155 | 897 | 397 | 193 | Stiff indurated silty clay | 0 | 0 | Tool diassembled vertically; end of stroke not reached; core liner broken; no retraction. |
204-1251D- |
|
|
|
|
|
|
|
|
|
|
28Y | FPC 3 | 31 | 1500 | 1224 | 226 | 193 | Moderately indurated silty clay | 78 | 0 | Cut good core upper seal dislodged; no retraction; DSA logger worked partially; FPC logger functioned correctly. |
30E | HRC 2 | 31 | 1830 | 897 | 229 | 193 | Moderately indurated silty clay | 22 | 20 0 | Full retraction; sealed; stuck in transfer chamber. |
Note: BSR = bottom-simulating reflector, DSA = drill string acceleration tool, FPC = Fugro Pressure Corer.