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Table T1. Operations, Site M0064.

Core Coring
method 		Date
(2013) 		Time
(UTC) 		Depth (mbsf) Recovered
(m) 		Recovery
(%) 		Mud type Comments
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347-M0064A-
    20 Oct 1200           On Site M0064, prepared for ROV survey of seabed
    20 Oct 1245           Lowered template and ROV into moonpool
    20 Oct 1415           ROV survey of Holes M0064A–M0064C completed, ROV back on deck
    20 Oct 1425           Repositioned over Hole M0064A
1H PCS 20 Oct 1545 0.00 3.00 3.32 110.67 Seawater Fired from position calculated to be just above seabed
2H PCS 20 Oct 1615 3.00 6.30 3.54 107.27 Seawater  
3H PCS 20 Oct 1715 6.30 9.60 3.54 107.27 Seawater  
4H PCS 20 Oct 1745 9.60 12.90 3.32 100.61 Seawater Till
5N NRCB 20 Oct 1845 12.90 15.90 0.60 20 Seawater  
6P PCA 20 Oct 2000 15.90 16.05 0.15 100 Seawater  
7N NRCB 20 Oct 2020 16.05 16.50 0.68 151.11 Guar Basket catcher jammed with stones within till: removed for next run
8N NRCB 20 Oct 2115 16.50 17.50 0.53 53 Guar  
9N NRCB 20 Oct 2210 17.50 18.50 0.77 77 Guar  
10N NRCB 20 Oct 2310 18.50 19.50 0.23 23 Guar  
11N NRCB 20 Oct 2345 19.50 20.50 0.44 44 Guar  
12N NRCB 21 Oct 0043 20.50 21.50 0.39 39 Guar  
13N NRCB 21 Oct 0117 21.50 22.50 0.31 31 Guar  
14N NRCB 21 Oct 0148 22.50 23.50 0.37 37 Guar  
15N NRCB 21 Oct 0223 23.50 24.50 0.59 59 Guar  
16N NRCB 21 Oct 0249 24.50 25.50 0.25 25 Guar  
17N NRCB 21 Oct 0320 25.50 26.50 1.16 116 Guar  
18N NRCB 21 Oct 0352 26.50 27.50 0.97 97 Guar  
19N NRCB 21 Oct 0440 27.50 28.50 1.14 114 Guar  
20N NRCB 21 Oct 0520 28.50 29.50 0.79 79 Guar  
21N NRCB 21 Oct 0605 29.50 30.50 0.90 90 Guar  
22N NRCB 21 Oct 0620 30.50 31.50 1.22 122 Guar  
23N NRCB 21 Oct 0710 31.50 33.50 0.37 18.5 Guar  
24N NRCB 21 Oct 0745 33.50 34.50 0.73 73 Guar  
25P PCA 21 Oct 0841 34.50 35.50 0.44 44 Guar  
26N NRCB 21 Oct 0910 35.50 36.50 0.95 95 Guar  
27N NRCB 21 Oct 0940 36.50 37.50 1.21 121 Guar  
28N NRCB 21 Oct 1015 37.50 38.50 0.45 45 Guar Driller noted a change in drilling parameters within the last 20 cm
29N NRCB 21 Oct 1110 38.50 39.50 0.00 0 Guar PCD secondary bit lost two buttons and one partially lost
30N NRCB 21 Oct 1150 39.50 40.50 0.00 0 Guar Drilling like sand
31S HS 21 Oct 1215 40.50 40.50 0.08   Guar  
32N NRCB 21 Oct 1230 40.50 41.50 0.15 15 Guar Chalk at base of run below more gravel
    21 Oct 1255           End of hole
    21 Oct 1315           Tripped pipe back to log hole
                  Loggers unable to release brake on winch using ship’s air supply; brake freed when ship increased air pressure
    21 Oct 1515           Abandoned logging attempt at this hole because ship required to change heading
    21 Oct 1520           Dismantled logging tools and exchanged coring tools in readiness for bumping over to Hole M0064B
347-M0064B-
    21 Oct 1605           Completed bump over from Hole M0064A
1H PCS 21 Oct 1615 0.00 3.30 3.46 104.85 Seawater Water 1.22 m shallower than Hole M0064A
2H PCS 21 Oct 1655 3.30 6.60 3.26 98.79 Seawater ~2 m of sand
3H PCS 21 Oct 1735 6.60 7.10 0.32 64 Guar Sand with gravel at base; no possibility of collecting material; open holed to penetrate expected 1.5 m
4O NCA 21 Oct 1805 7.10 10.10 0.00 0 Guar Open holed 3 m from last sample, drilling parameters suggest same or similar material as before
5S HS 21 Oct 1825 10.10 10.20 0.10 100 Guar Sand and gravel; this made 6 m of this material, and with the loss of 1 m when pulling back to take sample, decision made to end hole
                  Pulled pipe clear of seabed and bumped over to Hole M0064C
347-M0064C-
    21 Oct 1915           Completed bump over from Hole M0064B
1H PCS 21 Oct 1925 0.00 3.30 3.43 103.94 Seawater  
2H PCS 21 Oct 2005 3.30 6.60 3.52 106.67 Seawater Clay; mud valve stuck closed, several attempts to open; no pressure in string
3H PCS 21 Oct 2050 6.60 9.90 3.33 100.91 Seawater Slightly sandy clay
4H PCS 21 Oct 2125 9.90 12.70 2.79 99.64 Seawater 65 bar but then rose to >100 bar; till at bottom of core
5N NRCB 21 Oct 2220 12.70 13.70 0.78 78 Seawater  
6N NRCB 21 Oct 2305 13.70 14.70 1.07 107 Seawater  
7N NRCB 21 Oct 2330 14.70 15.70 0.24 24 Seawater  
8N NRCB 21 Oct 2355 15.70 16.70 0.00 0 Seawater No recovery, liner clean
9O NCA 22 Oct 0020 16.70 18.70 0.00 0 Seawater  
10N NRCB 22 Oct 0059 18.70 19.70 0.00 0 Seawater No recovery, liner clean
11N NRCB 22 Oct 0136 19.70 20.70 0.68 68 Seawater  
12N NRCB 22 Oct 0214 20.70 21.70 1.34 134 Seawater May have recovered end of previous run
13N NRCB 22 Oct 0250 21.70 22.70 1.32 132 Seawater  
14N NRCB 22 Oct 0317 22.70 23.70 1.43 143 Seawater  
15N NRCB 22 Oct 0356 23.70 24.70 1.34 134 Seawater  
16N NRCB 22 Oct 0443 24.70 25.70 1.20 120 Seawater  
17N NRCB 22 Oct 0522 25.70 26.70 1.23 123 Seawater  
18N NRCB 22 Oct 0600 26.70 27.70 1.53 153 Seawater  
19N NRCB 22 Oct 0627 27.70 28.70 0.70 70 Seawater  
20N NRCB 22 Oct 0652 28.70 29.70 1.23 123 Seawater  
21N NRCB 22 Oct 0712 29.70 30.70 0.84 84 Seawater  
22N NRCB 22 Oct 0753 30.70 31.70 1.23 123 Seawater  
23N NRCB 22 Oct 0815 31.70 32.70 1.33 133 Seawater  
24N NRCB 22 Oct 0840 32.70 33.70 1.50 150 Seawater  
25N NRCB 22 Oct 0905 33.70 34.70 1.26 126 Seawater  
26N NRCB 22 Oct 0935 34.70 35.70 1.30 130 Seawater  
27N NRCB 22 Oct 1005 35.70 36.70 1.21 121 Seawater  
28N NRCB 22 Oct 1035 36.70 37.70 1.48 148 Seawater  
29N NRCB 22 Oct 1115 37.70 38.20 0.29 58 Seawater  
30S HS 22 Oct 1148 38.20 38.20 0.04 0 Seawater  
31N NRCB 22 Oct 1215 38.20 39.20 0.00 0 Seawater  
32N NRCB 22 Oct 1310 39.20 40.20 0.00 0 Seawater  
33N NRCB 22 Oct 1325 40.20 42.20 0.00 0 Seawater  
34N NRCB 22 Oct 1355 42.20 43.20 0.02 2 Seawater 1 rounded pebble with a smearing of chalk recovered
35N NRCB 22 Oct 1355 43.20 45.00 0.00 0 Seawater  
36S HS 22 Oct 1445 45.00 45.10 0.10 100 Seawater Granite and chalk recovered
                  End of hole
    22 Oct 1505           Flushed borehole and carried out wiper trips while tripping pipe in preparation for logging
    22 Oct 1525           Hole collapsed from ~9 mbsf; attempted wiper trip unsuccessful; abandoned logging and prepared to bump over to Hole M0064D
347-M0064D-
    22 Oct 1555           Completed bump over from Hole M0064C
1H PCS 22 Oct 1625 0.00 2.20 3.02 137.27 Seawater 43 bar; this sea surface sample was the first aromatic core at this location
2H PCS 22 Oct 1700 2.20 5.50 3.50 106.06 Seawater 50 bar
3H PCS 22 Oct 1740 5.50 8.80 3.54 107.27 Seawater 68 bar
4H PCS 22 Oct 1819 8.80 12.10 3.47 105.15 Seawater 100 bar, took a second attempt to fall to zero; soft diamicton, attempted another piston
5H PCS 22 Oct 1859 12.10 15.40 3.69 111.82 Seawater Fired at 62 bar, dropped to 50 bar, rose to 100 bar; spline + 2 rings came off overshot release tool; spline was fished with the magnet and rings recovered; soft diamicton recovered; swap to NRCB for next run
6N NRCB 22 Oct 2025 15.40 16.40 0.00 0 Guar Possibly did not latch in correctly
7N NRCB 22 Oct 2050 16.40 17.40 1.36 136 Guar Hard diamicton
8N NRCB 22 Oct 2130 17.40 18.20 0.71 88.75 Guar  
9N NRCB 22 Oct 2213 18.20 19.20 0.00 0 Guar  
10N NRCB 22 Oct 2330 19.20 20.40 0.00 0 Guar Possibly did not latch in properly
11N NRCB 23 Oct 0015 20.40 21.40 0.35 35 Guar  
12N NRCB 23 Oct 0045 21.40 22.40 0.20 20 Guar  
13N NRCB 23 Oct 0110 22.40 23.40 0.00 0 Guar  
14O NCA 23 Oct 0145 23.40 25.40 0.00 0 Guar Inserted bit to clear blockage
15N NRCB 23 Oct 0218 25.40 26.40 1.15 115 Guar  
16N NRCB 23 Oct 0245 26.40 27.40 0.50 50 Guar  
17O NCA 23 Oct 0315 27.40 28.40 0.00 0 Guar Inserted bit used to clear stone in throat of drill bit
18N NRCB 23 Oct 0329 28.40 29.40 1.44 144 Guar Reran NRC for core run; left on a badly worn bit (with a good inside gauge) because stone expected; good core recovered and bit still usable
19N NRCB 23 Oct 0356 29.40 30.40 0.66 66 Guar  
20O NCA 23 Oct 0415 30.40 31.40 0.00 0 Guar Ran insert bit to dig and remove suspected stone in front of bit
21N NRCB 23 Oct 0450 31.40 32.40 1.43 143 Guar Gritty clay core recovered
22N NRCB 23 Oct 0522 32.40 33.40 1.3 130 Guar  
23N NRCB 23 Oct 0544 33.40 33.90 0.44 88 Guar Unable to core 1 m, so stopped to retrieve NRCB and set up for NCA to 41 mbsf
24O NCA 23 Oct 0625 33.90 41.00 0.00 0 Guar Rooster box down at deck level; pulled NCA and prepared to take hammer sample to prove ground
25S HS 23 Oct 0740 41.00 41.20 0.20 100 Guar Pea-size gravel recovered
    23 Oct 0755           End of hole
    23 Oct 0755           Circulated mud; set up logging gear on deck while circulating
    23 Oct 0810           Commenced tripping pipe to 10 mbsf
    23 Oct 0902           Logging tool reached 31 mbsf
    23 Oct 0931           Second string of tools ran in compensation, reached 21 mbsf only; decided not to run third string
    23 Oct 1000           Dismantled logging deck and prepared to trip pipe
    23 Oct 1015           Tripped pipe
    23 Oct 1050           BHA in slips
    23 Oct 1050           Lifted template
    23 Oct 1105           Cleaned template of cuttings in moonpool
    23 Oct 1120           Template on deck

HS = hammer sampler, NCA = noncoring assembly, NRCB = nonrotating core barrel, PCA = push coring assembly, PCS = piston coring system. ROV = remotely operated vehicle, PCD = polycrystalline diamond, BHA = bottom-hole assembly.

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