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Table T1. Operations summary, Site U1366.

Hole U1366A
Latitude: 26°3.0945′S
Longitude: 156°53.6591′W
Time on hole (h): 10.5
Seafloor (drill pipe measurement below rig floor, m DRF): 5146.0
Distance between rig floor and sea level (m): 11.2
Water depth (drill pipe measurement from sea level, mbsl): 5135
Total penetration (drilling depth below seafloor, m DSF): 17.8
Total length of cored section (m): washdown to basement
Total core recovered (m): NA
Core recovery (%): NA
Total number of cores: NA
Hole U1366B
Latitude: 26°3.0950′S
Longitude: 156°53.6714′W (20 m west of Hole U1366A)
Time on hole (h): 4.25
Seafloor (drill pipe measurement below rig floor, m DRF): 5141.8
Distance between rig floor and sea level (m): 11.2
Water depth (drill pipe measurement from sea level, mbsl): 5130.8
Total penetration (drilling depth below seafloor, m DSF): 17.2
Total length of cored section (m): 17.2
Total core recovered (m): 17.31
Core recovery (%): 100.6
Total number of cores: 2
Hole U1366C
Latitude: 26°3.0845′S
Longitude: 156°53.6700′W (20 m north of Hole U1366B)
Time on hole (h): 4.25
Seafloor (drill pipe measurement below rig floor, m DRF): 5140.5
Distance between rig floor and sea level (m): 11.2
Water depth (drill pipe measurement from sea level, mbsl): 5129.5
Total penetration (drilling depth below seafloor, m DSF): 25
Total length of cored section (m): 25
Total core recovered (m): 25.42
Core recovery (%): 101.7
Total number of cores: 3
Hole U1366D
Latitude: 26°3.0850′S
Longitude: 156°53.6652′W (20 m east of Hole U1366C)
Time on hole (h): 6.25
Seafloor (drill pipe measurement below rig floor, m DRF): 5137.1
Distance between rig floor and sea level (m): 11.2
Water depth (drill pipe measurement from sea level, mbsl): 5126.1
Total penetration (drilling depth below seafloor, m DSF): 20.9
Total length of cored section (m): 18.9
Total core recovered (m): 18.86
Core recovery (%): 99.8
Total number of cores: 3
Hole U1366E
Latitude: 26°3.0843′S
Longitude: 156°53.6825′W (40 m west of Hole U1366D)
Time on hole (h): 0.75
Seafloor (drill pipe measurement below rig floor, m DRF): 5138.8
Distance between rig floor and sea level (m): 11.2
Water depth (drill pipe measurement from sea level, mbsl): 5127.8
Total penetration (drilling depth below seafloor, m DSF): 4.7
Total length of cored section (m): 4.7
Total core recovered (m): 4.71
Core recovery (%): 100.2
Total number of cores: 1
Hole U1366F
Latitude: 26°3.0836′S
Longitude: 156°53.6937′W (20 m west of Hole U1366E)
Time on hole (h): 18
Seafloor (drill pipe measurement below rig floor, m DRF): 5138.0
Distance between rig floor and sea level (m): 11.2
Water depth (drill pipe measurement from sea level, mbsl): 5127.0
Total penetration (drilling depth below seafloor, m DSF): 30.1
Total length of cored section (m): 30.1
Total core recovered (m): 30.15
Core recovery (%): 100.2
Total number of cores: 4
Core Date (2010) Time
(h) 		Depth DSF (m) Interval advanced (m) Depth CSF (m) Length of core recovered
(m) 		Recovery (%) Sections (N) Coring
shoe type 		Remarks
Top of
cored interval 		Bottom of cored interval Top of
cored interval 		Bottom of cored interval
320-U1366A-
1H 30 Oct 2000 0.0 17.8 17.8 0.0 0.00 0.00 0 0    
320-U1366B-
1H 30 Oct 2115 0.0 7.7 7.7 0.0 7.73 7.73 100 7 STD  
2H 30 Oct 2250 7.7 17.2 9.5 7.7 17.28 9.58 101 8 STD  
320-U1366C-
1H 31 Oct 0015 0.0 6.0 6.0 0.0 6.04 6.04 101 5 STD  
2H 31 Oct 0135 6.0 15.5 9.5 6.0 15.53 9.53 100 8 STD  
3H 31 Oct 0300 15.5 25.0 9.5 15.5 25.35 9.85 104 8 STD  
320-U1366D-
1H 31 Oct 0430 0.0 9.4 9.4 0.0 9.44 9.44 100 8 STD  
2H 31 Oct 0600 9.4 18.9 9.5 9.4 18.82 9.42 99 8 STD  
3H 31 Oct 0725 18.9 18.9 0.0 18.9 18.90 0.00 0 0 STD  
4X 31 Oct 0910 18.9 20.9 2.0 18.9 18.90 0.00 0 0   Changed to XCB
320-U1366E-
1H 31 Oct 1040 0.0 4.7 4.7 0.0 4.71 4.71 100 5 STD  
320-U1366F-
1H 31 Oct 1215 0.0 5.5 5.5 0.0 5.54 5.54 101 5 STD  
2H 31 Oct 1340 5.5 14.0 8.5 5.5 14.00 8.50 100 7 STD  
3H 31 Oct 1515 14.0 23.5 9.5 14.0 23.47 9.47 100 8 STD  
4H 31 Oct 1700 23.5 30.1 6.6 23.5 30.14 6.64 101 6 STD  
Advanced total: 115.7     96.45 99 83    
Total interval cored: 95.9              

NA = not applicable. DSF = drilling depth below seafloor, CSF = core depth below seafloor. H = APC core, X = extended core barrel (XCB) core. STD = standard. Time is UTC.

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