Table T1. Operations summary, Hole U1415J.
| Hole U1415J (install seafloor structure and casing; RCB coring): | ||||||||
| Latitude: 2°15.1604′N | ||||||||
| Longitude: 101°32.6622′W | ||||||||
| Time at site (h): 383 (16 days) (0230 h, 31 December 2012–0130 h, 16 January) | ||||||||
| Seafloor (drill pipe measurement below rig floor, m DRF): 4850.0 | ||||||||
| Distance between rig floor and sea level (m): 11.2 | ||||||||
| Water depth (drill pipe measurement from sea level, mbsl): 4838.8 | ||||||||
| Total penetration (drilling depth below seafloor, m DSF): 111.8 | ||||||||
| Total depth (drill pipe measurement from rig floor, m DRF): 4961.8 | ||||||||
| Total length of cored section (m): 91.8 | ||||||||
| Total core recovered (m): 14.35 | ||||||||
| Core recovery (%): 16 | ||||||||
| Drilled interval (m): 2 | ||||||||
| Total number of cores: 15 RCB, 9 ghost | ||||||||
| Core | Depth (mbsf) |
Interval cored (m) |
Core recovered (m) |
Curated length (m) |
Recovery (%) |
Date (2013) |
Time UTC (h) |
|
|---|---|---|---|---|---|---|---|---|
|
Top of cored interval |
Bottom of cored interval |
|||||||
| 345-U1415J- | ||||||||
| 11 | 0.0 | 15.0 | ****Drilled from 0.0 to 15.0 mbsf**** | |||||
| 2G | 10.0 | 15.0 | — | 0.20 | 0.13 | — | 3 Jan | 1745 |
| 3R | 15.0 | 22.2 | 7.2 | 0.68 | 0.86 | 9 | 4 Jan | 0115 |
| 4R | 22.2 | 26.2 | 4.0 | 0.18 | 0.22 | 5 | 4 Jan | 0415 |
| 5R | 26.2 | 34.9 | 8.7 | 1.88 | 2.08 | 22 | 4 Jan | 1350 |
| 6G | 29.0 | 34.9 | — | 0.33 | 0.45 | — | 4 Jan | 2000 |
| 7G | 29.0 | 34.9 | — | 1.54 | 2.05 | — | 5 Jan | 0900 |
| 8R | 34.9 | 45.2 | 10.3 | 3.22 | 4.39 | 31 | 5 Jan | 1505 |
| 9R | 45.2 | 55.3 | 10.1 | 0.94 | 1.10 | 9 | 5 Jan | 2055 |
| 10R | 55.3 | 65.0 | 9.7 | 0.55 | 0.62 | 6 | 6 Jan | 0205 |
| 11R | 65.0 | 69.7 | 4.7 | 0.41 | 0.50 | 9 | 6 Jan | 0715 |
| 12R | 69.7 | 74.7 | 5.0 | 0.74 | 1.56 | 15 | 6 Jan | 1230 |
| 13R | 74.7 | 79.4 | 4.7 | 0.59 | 0.65 | 13 | 6 Jan | 1630 |
| 14G | 37.0 | 79.4 | — | 0.15 | 0.25 | — | 7 Jan | 0150 |
| 15G | 37.0 | 45.0 | — | 0.64 | 0.69 | — | 7 Jan | 1620 |
| 162 | 79.4 | 84.4 | ****Drilled from 79.4 to 84.4 mbsf**** | |||||
| 17G | 79.4 | 84.4 | — | 0.12 | 0.12 | — | 12 Jan | 0930 |
| 18R | 84.4 | 89.1 | 4.7 | 1.50 | 1.50 | 32 | 12 Jan | 1325 |
| 19R | 89.1 | 94.1 | 5.0 | 0.77 | 0.94 | 15 | 12 Jan | 1715 |
| 20R | 94.1 | 98.8 | 4.7 | 0.19 | 0.20 | 4 | 12 Jan | 2200 |
| 21R | 98.8 | 101.8 | 3.0 | 1.39 | 1.62 | 46 | 13 Jan | 0400 |
| 22G | 82.0 | 101.8 | — | 0.07 | 0.12 | — | 13 Jan | 0830 |
| 23R | 101.8 | 103.8 | 2.0 | 0.53 | 0.53 | 27 | 13 Jan | 1530 |
| 24G | 74.0 | 101.0 | — | 0.21 | 0.27 | — | 13 Jan | 2055 |
| 25G | 99.0 | 103.8 | — | 0.48 | 0.57 | — | 15 Jan | 0900 |
| 26R | 103.8 | 111.8 | 8.0 | 0.78 | 0.75 | 10 | 15 Jan | 1530 |
| Total: | 91.8 | 14.35 | 17.52 | 16 | ||||
Local ship time was UTC – 7 h. Ghost core (G) is not included in totals. DRF = drilling depth below rig floor, DSF = drilling depth below seafloor. R = rotary core barrel (RCB) system, numeric core type = drilled interval. — = not calculated.
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