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Table T1. Operations, Site M0065.

Core
Coring
method
Date
(2013)
Time
(UTC)
Depth (mbsf)
Recovered
(m)
Recovery
(%)
Mud type
Comments
Top
Bottom
347-M0065A-
    23 Oct 1400           Arrived on site; built a differential GPS model
    23 Oct 1430           Lowered template into moonpool; checked bit and prepared for ROV survey
    23 Oct 1442           ROV in water and running down to seabed for predrilling survey
    23 Oct 1610           Derigged ROV and cleaned; prepared drill floor for operations
    23 Oct 1655           Lowered seabed template
    23 Oct 1715           Ran pipe
1O NCA 23 Oct 1835 0.00 2.00 0.00 0 Seawater Washed down through possible contaminants
2H PCS 23 Oct 1850 2.00 5.30 3.61 109.39 Seawater  
3H PCS 23 Oct 1920 5.30 8.60 3.52 106.67 Seawater 53 bar
4H PCS 23 Oct 2000 8.60 11.90 3.52 106.67 Seawater 48 bar
5H PCS 23 Oct 2035 11.90 15.20 3.67 111.21 Seawater 36 bar
6H PCS 23 Oct 2115 15.20 18.50 3.52 106.67 Seawater  
7H PCS 23 Oct 2212 18.50 21.80 3.53 106.97 Seawater 35 bar
8H PCS 23 Oct 2240 21.80 25.10 3.68 111.52 Seawater 70 bar
9H PCS 23 Oct 2325 25.10 28.40 3.43 103.94 Seawater Did not appear to fire, even on second attempt, may have fired on the way down; collected a full sample
10H PCS 24 Oct 0015 28.40 31.70 3.49 105.76 Seawater 55 bar
11H PCS 24 Oct 0040 31.70 35.00 3.51 106.36 Seawater 65 bar
12H PCS 24 Oct 0122 35.00 38.30 3.60 109.09 Seawater 50 bar
13H PCS 24 Oct 0205 38.30 40.00 1.62 95.29 Seawater 110 bar and did not drop below 40 bar on release, hence not full stroke
14H PCS 24 Oct 0255 40.00 43.30 3.45 104.55 Guar 70 bar
15H PCS 24 Oct 0325 43.30 46.60 3.03 91.82 Guar 130 bar
16O NCA 24 Oct 0507 46.60 49.60 0.00 0 Guar Open hole to try and ascertain if in stones, only sand and clay evident
17S HS 24 Oct 0720 49.60 49.70 0.10 100   Hammer sample 25 blows showed dense fine sand in hole
18O NCA 24 Oct 0730 49.70 52.60 0.00 0 Guar Open hole to next hammer sample interval
19S HS 24 Oct 0838 52.60 52.65 0.05 100   Fine sand in hammer sample
20O NCA 24 Oct 0904 52.65 55.60 0.00 0 Guar  
21S HS 24 Oct 1000 55.60 55.70 0.10 100    
22O NCA 24 Oct 1020 55.70 58.60 0.00 0 Guar  
23S HS 24 Oct 1050 58.60 58.75 0.15 100    
24O NCA 24 Oct 1115 58.75 59.60 0.00 0 Guar  
25S HS 24 Oct 1140 59.60 59.70 0.10 100    
26O NCA 24 Oct 1150 59.70 60.60 0.00 0 Guar  
27S HS 24 Oct 1205 60.60 60.70 0.10 100    
28O NCA 24 Oct 1225 60.70 61.60 0.00 0 Guar  
29S HS 24 Oct 1215 61.60 61.70 0.10 100    
30O NCA 24 Oct 1300 61.70 63.60 0.00 0 Guar  
31S HS 24 Oct 1320 63.60 63.65 0.05 100    
    24 Oct 1345           Powerpack pressure release valve problem required shutdown
32O NCA 24 Oct 1410 63.65 65.60 0.00 0 Guar  
33S HS 24 Oct 1440 65.60 65.75 0.15 100    
34O NCA 24 Oct 1455 65.75 67.60 0.00 0 Guar  
35S HS 24 Oct 1520 67.60 67.75 0.15 100    
36O NCA 24 Oct 1535 67.75 69.60 0.00 0 Guar  
37S HS 24 Oct 1600 69.60 69.65 0.05 100    
38O NCA 24 Oct 1615 69.65 71.60 0.00 0 Guar  
39S HS 24 Oct 1635 71.60 71.62 0.02 100    
40O NCA 24 Oct 1654 71.62 73.60 0.00 0 Guar  
41S HS 24 Oct 1714 73.60 73.60 0.00 0   Slight show of chalk on inside of shoe; reran insert bit for short run and rehammer
42O NCA 24 Oct 1720 73.60 73.80 0.00 0 Guar Low flush rate to retain as much disturbed material as possible at the bottom for the hammer to collect
43S HS 24 Oct 1730 73.80 73.90 0.10 100   50 blows; bedrock in shoe
    24 Oct 1745           End of hole
    24 Oct 1750         Guar Mud flush before pulling back to 3.4 mbsf for logging; changed to 12 m below seabed at drillers request
    24 Oct 1830           Set up logging tools
    24 Oct 1900           First logging run to 41.5 mbsf
    24 Oct 1940           Second logging run: hole collapsed at bottom of pipe; dismantled logging deck
    24 Oct 2030           Discussed possibility of wiper trip with Logging Staff Scientist and Co-Chief and agreed to attempt for second run; wiper trip for 3 pipes to clear hole for second logging run
    24 Oct 2110           Rerigged logging deck; 35 kt wind and building
    24 Oct 2120           Attempted second logging run, only achieved 5 m open hole
    24 Oct 2130           Recovered tools and dismantled logging deck
    24 Oct 2145           Tripped pipe
347-M0065B-
    24 Oct 2230           On site; lowered seabed frame and added drill pipe
1O NCA 24 Oct 2310 0.00 3.00 0.00 0 Seawater Open hole first section to avoid possible contamination
2H PCS 24 Oct 2314 3.00 6.30 3.62 109.7 Seawater  
3H PCS 25 Oct 0005 6.30 9.60 3.66 110.91 Seawater  
4H PCS 25 Oct 0048 9.60 12.90 3.37 102.12 Seawater Core degassing a lot
5H PCS 25 Oct 0126 12.90 16.20 3.53 106.97 Seawater  
6H PCS 25 Oct 0210 16.20 19.50 3.45 104.55 Seawater 45 bar
7H PCS 25 Oct 0258 19.50 22.80 3.59 108.79 Seawater  
8H PCS 25 Oct 0338 22.80 26.10 3.54 107.27 Seawater  
9H PCS 25 Oct 0440 26.10 29.40 3.43 103.94 Seawater  
10H PCS 25 Oct 0455 29.40 32.70 3.51 106.36 Seawater  
11H PCS 25 Oct 0600 32.70 36.00 3.50 106.06 Seawater  
12H PCS 25 Oct 0635 36.00 39.30 3.41 103.33 Seawater  
13H PCS 25 Oct 0705 39.30 42.60 3.14 95.15 Seawater  
14H PCS 25 Oct 0740 42.60 45.90 3.35 101.52 Seawater  
15H PCS 25 Oct 0820 45.90 46.90 0.84 84 Seawater  
16O NCA 25 Oct 0855 46.90 48.90 0.00 0 Seawater  
17S HS 25 Oct 0920 48.90 49.20 0.30 100   Sand with smearing of clay/silt
18S HS 25 Oct 1000 49.20 49.30 0.10 100    
    25 Oct 1015           End of hole
    25 Oct 1015           Tripped pipe above seabed to allow bumping over to Hole M0065C
347-M0065C-
    25 Oct 1110           On site; lowered seabed frame and added drill pipe
1O NCA 25 Oct 1115 0.00 2.00 0.00 0 Seawater Open hole first section to avoid possible contamination
2H PCS 25 Oct 1125 2.00 5.30 3.75 113.64 Seawater  
3H PCS 25 Oct 1205 5.50 8.60 3.60 116.13 Seawater  
4H PCS 25 Oct 1330 8.60 11.90 3.64 110.3 Seawater  
5H PCS 25 Oct 1420 11.90 15.20 3.68 111.52 Seawater  
6H PCS 25 Oct 1509 15.20 18.50 3.50 106.06 Seawater  
7H PCS 25 Oct 1636 18.50 21.80 3.44 104.24 Seawater 64 bar
8H PCS 25 Oct 1730 21.80 25.10 3.54 107.27 Seawater  
9H PCS 25 Oct 1823 25.10 28.40 3.39 102.73 Seawater 65 bar
10H PCS 25 Oct 1921 28.40 31.70 3.36 101.82 Seawater 61 bar, no lower shoe sample
11H PCS 25 Oct 2015 31.70 35.00 3.60 109.09 Seawater 62 bar
12H PCS 25 Oct 2110 35.00 38.30 3.67 111.21 Seawater  
13H PCS 25 Oct 2205 38.30 41.60 3.25 98.48 Seawater 60 bar
14H PCS 25 Oct 2308 41.60 44.90 3.30 100 GS550 70 bar
15H PCS 25 Oct 2340 44.90 47.90 2.87 95.67 GS550 150 bar and pressure stayed full until driller lifted the string
    26 Oct 0015           Drilling ended; prepared for logging
    26 Oct 0020           Filled hole with very heavy mud
    26 Oct 0040           Lifted drill string to 14 mbsf
    26 Oct 0120           Logging run started; reached 40 mbsf
    26 Oct 0220           Second logging string in the hole
    26 Oct 0310           Started lifting drill string with personnel in full PPE hosing potentially contaminated pipes down with water

HS = hammer sampler, NCA = noncoring assembly, PCS = piston coring system. ROV = remotely operated vehicle, PPE = personal protective equipment.

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