Site Summaries: Site 808 | Table of Contents

Table 2. Leg 196 Nankai Trough (Proposal No. 517)
Primary Operations Plan and Time Estimates

Site Location Water Operations Description Days/ Transit ACORK DIC LWD Total
No. Lat./Long. Depth Hole (days) (days) (days) (days) On Site
                   
Keelung 25.1°N   Transit 833.2 nmi Keelung, Taiwan to Site ENT-01A   3.3        
  121.43°E                
                   
1173 32°14.66'N 4790 Hole A: RC & LWD 200 - 725 mbsf     1.9   2.1 4.0
(ENT-01A) 135°01.51'E mbsl Hole B: LWD to 200 mbsf         0.8 0.8
      Note: PPSP-approved depth is 700 mbsf            
      Transit 7.4 nmi ENT-01A to 808   0.0        
                   
808 32°21.10'N 4675 Hole A: RC & LWD 200 - 1290 mbsf     1.9   3.4 5.3
  134°56.60'E mbsl Hole B: LWD to 200 mbsf     0.0   0.8 0.8
      Note: PPSP-approved depth is 1160 mbsf            
      Transit 0.7 nmi 808 to ENT-03A   0.00        
                   
1174 32°20.54'N 4751 Hole A: DIC -200 mbsf, LWD 200 - 1150 mbsf     0.0 2.0 2.8 4.8
(ENT-03A) 134°57.39'E mbsl Hole B: LWD to 200 mbsf     0.0   1.0 1.0
      Note: PPSP-approved depth is 1160 mbsf            
                   
Osaka 34.4°N   Transit 124.7 nmi Site 1174 (ENT-03A) to Osaka   0.5        
  135.3°E   Mini - Leg Port Call to off load LWD Tools   1.0        
      Transit 130.1 nmi Osaka to Site 1173 (ENT-01A)   0.5        
                   
1173 32°14.66'N 4790 Hole A: ACORK Installation to 700 m     10.9     10.9
(ENT-01A) 135°01.51'E mbsl Transit from Site 1173 to Site 808   0.0        
                   
808 32°21.10'N 4675 Hole A: ACORK Installation to 1290 m     13.6     13.6
  134°56.60'E mbsl Hole A: Install bridge plug     1.2     1.2
      Transit 7.4 nmi 808 to ENT-01A   0.0        
                   
1173 32°14.66'N 4790 Hole A: ACORK 50m Rat Hole     1.9     1.9
(ENT-01A) 135°01.51'E mbsl Hole A: Install integral thermistor/seismometer     4.1     4.1
                   
Yokohama 35°28'N   Transit 300.1 nmi ENT-01A to Yokohama   1.2        
  139°38'E                
                   
      Sub Total:     35.5 2.0 10.9  
      Sub Total:   6.6       48.4
      TOTAL DAYS: 55.0

Revision: 4       Date: 22 August 2000

Site Summaries: Site 808 | Table of Contents