Table 1. Leg 198 - Shatsky Rise
Primary Operations Plan and Time Estimate
| Water | Total | |||||||
| Site | Location | Depth | Operations Description | Transit | Drilling | Logging | On-site | |
| (Lat/Long) | (mbrf) | (mbsf) | (hr) | (days) | (days) | (days) | (days) | |
| Yokohama | 35.5°N, 139.7°E | Transit 1116 nmi f/Yokohama to SHAT-5C @ 10.5 kt | 106.25 | 4.4 | ||||
| SHAT-5C | 37°47.429'N | 3127 | Hole A: APC to refusal (~200 mbsf), XCB to ~555 mbsf | 110.00 | 4.6 | |||
| 162°45.053'E | Hole B: APC to ~200 mbsf, XCB/MDCB to ~555 mbsf | 160.25 | 6.7 | |||||
| Note: Core 155 m with MDCB (4.5 m cores) | ||||||||
| Wireline log: triple combo/FMS-sonic/GHMT | 28.00 | 1.2 | 12.5 | |||||
| Transit 258 nmi from SHAT-5C to SHAT-4 @ 10.5 kt | 24.50 | 1.0 | ||||||
| SHAT-4 | 36°7.629'N | 3318 | Hole A: APC to refusal (~200 mbsf) | 35.00 | 1.5 | |||
| 158°12.094'E | Hole B: APC to ~200 mbsf | 32.25 | 1.3 | 2.8 | ||||
| Transit 209 nmi from SHAT-4 to SHAT-1 @ 10.5 kt | 20.00 | 0.8 | ||||||
| SHAT-1 | 32°39.099'N | 2418 | Hole A: APC to refusal (~200 mbsf) | 30.00 | 1.3 | |||
| 158°30.357'E | Hole B: APC to ~200 mbsf | 27.00 | 1.1 | 2.4 | ||||
| Transit 32 nmi from SHAT-1 to SHAT-2B @ 10.5 kt | 3.00 | 0.1 | ||||||
| SHAT-2B | 32°6.865'N | 2782 | Hole A: APC to refusal (~200 mbsf), XCB to ~700 mbsf | 120.25 | 5.0 | |||
| 158°3.030'E | Hole B: APC to ~200 mbsf, XCB/MDCB to ~700 mbsf | 184.75 | 7.7 | |||||
| Magnaflux (NDT) inspect BHA/drill collars | ||||||||
| Wireline log: triple combo/FMS-sonic/GHMT | 31.00 | 1.3 | 14.0 | |||||
| Transit 52 nmi from SHAT-2B to SHAT-3 @ 10.5 kt | 5.00 | 0.2 | ||||||
| SHAT-3 | 31°34.641'N | 3881 | Hole A: APC to refusal (~70 m) | 20.25 | 0.8 | |||
| 157°17.862'E | Hole B: APC to ~70 mbsf, XCB to ~210 mbsf | 51.25 | 2.2 | |||||
| Lay out BHA/DC/secure for transit to port | ||||||||
| Wireline log: triple combo/FMS-sonic/GHMT | 22.25 | 0.9 | 3.9 | |||||
| Honolulu | 21°30'N, 158°W | Transit 2487 nmi f/SHAT-3 to Honolulu @ 10.5 kt | 237.00 | 9.9 | ||||
| SUBTOTAL: | 16.4 | 32.2 | 3.4 | 35.6 | ||||
| TOTAL OPERATING DAYS (w/ 5 day port call): | 57.0 | |||||||