Table 1. Leg 195 Operations Plan and Time Estimate
| Site | Location | Water | Operations Description | Transit | Drilling | Logging | Total | |
| No. | Depth | On-site | ||||||
| (Lat/Long) | (mbrf) | (days) | (days) | (days) | (days) | |||
| Guam | 13.27°N, 144.38°E | Transit f/Guam to MAF-4B, ~95 nmi @ 10.5 kt | [9.0 hrs] | 0.4 | ||||
| MAF-4B | 13°47.0' N | 2948 | A: RIH w/18-1/2" bit, TV survey (12 hr), jet-in test ~60m | [130.0 hrs] | 5.4 | 0.0 | 21.6 | |
| South | 146°0.0'E | APC/XCB to ~420 mbsf (temperature w/Adara/DVTP) | ||||||
| Chamorro | ||||||||
| Seamount | B. Drill to ~200 mbsf, RCB to ~420 mbsf (DVTP as req'd) | [84.75 hrs] | 3.5 | 2.0 | ||||
| CORK | Need to RCB core (Hole B) is dependent upon results | |||||||
| & TD achieved in previously cored APC/XCB (Hole A) | ||||||||
| Release bit/WL log dependent on co-chief decision | [48.00 hrs] | |||||||
| C: Jet-in recone w/20" 94 lb/ft csg to ~25 mbsf (2 jt) | [257.0 hrs] | 10.7 | 0.0 | |||||
| Reenter/drill w/18-1/2" bit and 22" U/R to ~220 mbsf | ||||||||
| M/U~200 m 16" 75 lb/ft csg (~16 jts)/RIH/RE/cmt csg | ||||||||
| Reenter/drill w/14-3/4" tricone bit to ~420 mbsf | ||||||||
| M/U ~400 m 10-3/4" 40.5 lb/ft csg/RIH/RE/latch csg | ||||||||
| Use ~31 jts/~377 m of standard 10-3/4" csg plus 2 jts | ||||||||
| or ~23 m of screened/perforated 10-3/4" csg | ||||||||
| Reenter/CORK/run thermister string/osmotic sampler | ||||||||
| Deploy CORK ROV/submersible platform/unlatch f/DP | ||||||||
| Transit f/MAF-4B to WP-1B, ~ 712 nmi @ 10.5 kt | [67.75 hrs] | 2.8 | ||||||
| WP-1B | 19°17.85'N | 5658 | A: APC/XCB to ~380 mbsf (basement contact) | [98.25 hrs] | 4.1 | 0.0 | 25.7 | |
| ION | 135°5.95' E | plug hole w/cmt, APC core orientation, ~5 Adara | ||||||
| seismometer | ||||||||
| emplacement | B: Jet-in test ~60 m/APC 2nd hole to ~150 mbsf | [44.25 hrs] | 1.8 | 0.0 | ||||
| C: Drill w/RCB c'bit to ~360 mbsf | [120.25 hrs] | 5.0 | 1.6 | |||||
| Core w/RCB to ~470 mbsf, release bit w/MBR | ||||||||
| Wireline logging: rig-up, triple combo, FMS-sonic | [38.0 hrs] | |||||||
| (2-passes in basement), DLL, UBI, and rig-down | ||||||||
| D: Set reentry cone, jet-in 60m 16" casing | [315.5 hrs] | 13.2 | 0.0 | |||||
| Drill to ~425 mbsf w/14-3/4" tricone bit | ||||||||
| Set and cement ~410 m of 10-3/4" 54 lb/ft casing | ||||||||
| Drill ahead to ~470 mbsf w/9-7/8" tricone bit | ||||||||
| Deploy/cmt seismometer instr pkg @ ~460 mbsf | ||||||||
| Deploy and release from battery platform | ||||||||
| Note: Should Leg 195 primary operations be completed | ||||||||
| ahead of schedule there is interest in drilling an | ||||||||
| APC/XCB hole w/wireline logging at alt site KS-1 | ||||||||
| Keelung | 25.09° N, 121.44°E | Transit f/ WP-1B to Keelung, Taiwan, ~831 nmi @ 10.2 kt | [83.5 hrs] | 3.5 | ||||
| SUBTOTAL: | 6.7 | 43.7 | 3.6 | 47.3 | ||||
| TOTAL OPERATING DAYS (Including 5 day port call): | 59.0 | |||||||