Priority:
|
Alternate for proposed Site NT2-01J:
Chikyu Expedition 319 (riserless)
|
Position:
|
33°13.0464´N, 136°36.319´E
|
Water depth
(m):
|
2600
|
Target
drilling
depth
(mbsf):
|
525
|
Approved
maximum
penetration
(mbsf):
|
550
|
Survey
coverage:
|
Extensive survey data from 3-D seismic data:
• In-line 2624
• Cross-line 5306
|
Objective:
|
Drill and case long-term observatory hole
|
Drilling,
coring, and
downhole
measurement
program:
|
Chikyu Expedition 319:
• Wireline
• LWD/MWD
• Place sensors on bridge plug for later retrieval
|
Anticipated
lithology:
|
Hemipelagic mud with turbidite sand, sedimentary
breccia, and hemipelagic mudstone.
|