Table T2. Leg 208 operations plan and time estimates.
Site | Location (lat/long) | Water depth (mbrf) | Operations | Transit (days) | Drilling (days) | Logging (days) |
Rio de Janeiro | Transit to WALV-12B: 2472 nmi @ 10.5 kt | 9.0 | ||||
WALV-12A | 27°11.16'S | 4762 | Hole A: APC to ~200 mbsf, Or, HF | 1.5 | ||
01°34.62'E | Hole B: APC to ~200 mbsf, Or | 1.4 | ||||
Hole C: APC to ~200 mbsf, Or | 1.8 | |||||
Transit from WALV-12B to WALV-8B: 100 nmi @ 10.5 kt | 0.4 | |||||
WALV-8B | 28°37.85'S | 2557 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 450 mbsf | 3.5 | ||
02°52.29'E | Hole B: APC to ~250 mbsf, Or, XCB to 450 mbsf | 3.0 | ||||
Hole C: APC to ~250 mbsf, Or | 1.5 | |||||
Log: Triple combo, FMS-sonic, WST, and hole prep | 1.7 | |||||
Transit from WALV-8B to WALV-9A: 19 nmi @ 10.5 kt | 0.1 | |||||
WALV-9A | 28°51.19'S | 2979 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 360 mbsf | 2.4 | ||
02°37.14'E | Hole B: APC to ~250 mbsf, Or, XCB to 360 mbsf | 2.0 | ||||
Hole C: APC to ~250 mbsf, Or | 1.6 | |||||
Log: Triple combo, FMS-sonic, and hole prep | 1.1 | |||||
Transit from WALV-9A to WALV-10C: 32 nmi @ 10.5 kt | 0.1 | |||||
WALV-10C | 28°28.54'S | 3842 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 450 mbsf | 3.6 | ||
02°19.37'E | Hole B: APC to ~250 mbsf, Or, XCB to 450 mbsf | 3.5 | ||||
Log: Triple combo, FMS-sonic, and hole prep | 1.3 | |||||
Transit from WALV-10C to WALV-11B: 36 nmi @ 10.5 kt | 0.1 | |||||
WALV-11B | 28°05.88'S | 4375 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 300 mbsf | 2.7 | ||
01°42.66'E | Hole B: APC to ~250 mbsf, Or, XCB to 300 mbsf | 2.2 | ||||
Hole C: APC to ~250 mbsf, Or | 2.0 | |||||
Log: Triple combo, FMS-sonic, WST, and hole prep | 1.8 | |||||
Rio de Janeiro | Transit to Port: 2202 nmi @ 10.5 kt | 8.7 | ||||
SUBTOTAL: | 18.4 | 32.7 | 5.9 | |||
TOTAL OPERATING DAYS: | 57.0 | |||||
ALTERNATE SITES: | ||||||
WALV-8A | 28°31.96'S | 2530 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 600 mbsf | 4.7 | ||
02°50.73'E | Hole B: APC to ~250 mbsf, Or, XCB to 600 mbsf | 4.6 | ||||
Log: Triple combo, FMS-sonic, WST, and hole prep | 1.9 | |||||
WALV-8C | 28°47.74'S | 2531 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 400 mbsf | 2.5 | ||
02°54.83'E | Hole B: APC to ~250 mbsf, Or, XCB to 400 mbsf | 2.5 | ||||
Log: Triple combo, FMS-sonic, WST, and hole prep | 1.6 | |||||
WALV-9B | 28°50.10'S | 3083 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 360 mbsf | 2.4 | ||
02°38.36'E | Hole B: APC to ~250 mbsf, Or, XCB to 360 mbsf | 2.0 | ||||
Hole C: APC to ~200 mbsf, Or | 1.6 | |||||
Log: Triple Combo, FMS-Sonic, and Hole Prep | 1.1 | |||||
WALV-10A | 28°31.49'S | 3820 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 450 mbsf | 3.4 | ||
02°19.44'E | Hole B: APC to ~250 mbsf, Or, XCB to 450 mbsf | 3.0 | ||||
Hole C: APC to ~250 mbsf, Or | 1.9 | |||||
Log: Triple combo, FMS-sonic, WST, and hole prep | 1.9 | |||||
WALV-10B | 28°32.62'S | 3719 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 450 mbsf | 3.4 | ||
02°22.47'E | Hole B: APC to ~250 mbsf, Or, XCB to 450 mbsf | 3.0 | ||||
Hole C: APC to ~250 mbsf, Or | 1.9 | |||||
Log: Triple combo, FMS-sonic, WST, and hole prep | 1.8 | |||||
WALV-10D | 28°24.55'S | 3961 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 450 mbsf | 3.7 | ||
02°16.79'E | Hole B: APC to ~250 mbsf, Or, XCB to 450 mbsf | 3.5 | ||||
Log: Triple combo, FMS-sonic, WST, and hole prep | 1.9 | |||||
WALV-11A | 28°02.49'S | 4434 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 300 mbsf | 2.6 | ||
01°45.80'E | Hole B: APC to ~250 mbsf, Or, XCB to 300 mbsf | 2.1 | ||||
Hole C: APC to ~250 mbsf, Or | 2.1 | |||||
Log: Triple combo, FMS-sonic, and hole prep | 1.4 | |||||
WALV-11C | 27°54.72'S | 4313 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 350 mbsf | 2.9 | ||
01°52.66'E | Hole B: APC to ~250 mbsf, Or, XCB to 350 mbsf | 2.4 | ||||
Hole C: APC to ~250 mbsf, Or | 2.0 | |||||
Log: Triple combo, FMS-sonic, and hole prep | 1.8 | |||||
WALV-11D | 28°05.52'S | 4526 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 300 mbsf | 2.6 | ||
01°10.15'E | Hole B: APC to ~250 mbsf, Or, XCB to 300 mbsf | 2.1 | ||||
Hole C: APC to ~250 mbsf, Or | 2.1 | |||||
Log: Triple combo, FMS-sonic, and hole prep | 1.8 | |||||
WALV-12B | 27°04.06'S | 4726 | Hole A: APC to ~200 mbsf, Or, HF | 1.8 | ||
00°58.01'E | Hole B: APC to ~200 mbsf, Or | 1.4 | ||||
Hole C: APC to ~200 mbsf, Or | 1.9 | |||||
WALV-12C | 26°49.61'S | 4768 | Hole A: APC to ~200 mbsf, Or, HF | 1.5 | ||
00°48.63'E | Hole B: APC to ~200 mbsf, Or | 1.4 | ||||
Hole C: APC to ~200 mbsf, Or | 1.8 | |||||
WALV-13B | 24°37.70'S | 3768 | Hole A: APC to ~250 mbsf, Or, HF, XCB to 430 mbsf | 3.3 | ||
04°40.69'E | Hole B: APC to ~250 mbsf, Or, XCB to 430 mbsf | 3.1 | ||||
Hole C: APC to ~250 mbsf, Or | 1.9 | |||||
Log: Triple combo, FMS-sonic, WST, and hole prep | 1.8 | |||||