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doi:10.2204/iodp.sp.308.2005
SITE SUMMARIES
Site: BT4-2A
Priority:
|
Primary
|
Position:
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27.30136298°N, 94.38753682°W
|
Water depth (m):
|
1476
|
Target drilling depth (mbsf):
|
340
|
Approved maximum penetration (mbsf):
|
340
|
Survey coverage:
|
Rudder 2-D dipline 3020
Shotpoint 220.76
Rudder 2-D crossline 3045
|
Objectives:
|
Hydrodynamic analysis of a passive margin. Brazos-Trinity Basin #4 sites are to serve as a reference location to establish basic rock and fluid properties over a range of effective stresses in a normally pressured section.
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Drilling program:
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APC to refusal with drillover and XCB
|
Wireline logging program:
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Triple combo, FMS-sonic, VSP
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MWD program:
|
GVR, ADN, APWD
|
Nature of rock anticipated:
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Hemipelagic mudstone with some unconsolidated turbidite sand
|
Site: BT4-4A
Priority:
|
Primary
|
Position:
|
27.26628028°N, 94.40315809°W
|
Water depth (m):
|
1435
|
Target drilling depth (mbsf):
|
230
|
Approved maximum penetration (mbsf):
|
230
|
Survey coverage:
|
Rudder 2-D dipline 3020
Shotpoint 187.27
|
Objectives:
|
Hydrodynamic analysis of a passive margin. Brazos-Trinity Basin #4 sites are to serve as a reference location to establish basic rock and fluid properties over a range of effective stresses in a normally pressured section.
|
Drilling program:
|
APC to refusal with drillover and XCB
|
Wireline logging program:
|
Triple combo, FMS-sonic, VSP
|
MWD program:
|
GVR, ADN, APWD
|
Nature of rock anticipated:
|
Hemipelagic mudstone with some unconsolidated turbidite sand
|
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