Table T3. Breakdown of HRRS activities during Leg 191.

Date
(Sept
2000)		 Activity Time (local)   Time breakdown
Beginning
Ending
Total
Transit
Survey
Tripping
Testing
Miscellaneous
3 3.5-kHz survey while drawworks are being repaired 1445 1830 3.75

3.75


3 VIT seafloor survey 1830 0000 5.50

5.5


4 VIT seafloor survey 0000 0100 1.00

1


4 Recover VIT; pull out of hole; deck-test hammer 0100 0600 5.00


5

4 Run in hole 0600 1315 7.25


7.25

4 Spud tests, Holes 1180A-1180C 1315 1600 2.75



2.75
4 Move vessel in dynamic positioning mode to Site 1181 1600 0000 8.00
8



5 Run in hole and space out 0000 0115 1.25


1.25

5 Spud tests, Holes 1181A-1181C 0115 0430 3.25



3.25
5 VIT seafloor survey 0430 0645 2.25

2.25


5 Pull out of hole; rig down 0645 1015 3.50


3.5

5 Transit to Mariana backarc-1 1015 2000 9.75
9.75



5 3.5-kHz survey 2000 0000 4.00

4


6 3.5-kHz survey 0000 0030 0.50

0.5


6 Lower thruster and drop beacon 0030 0200 1.50




1.5
6 Run in hole; space out; VIT survey 0200 0845 6.75


6.75

6 Spud tests, Holes 1182A-1182D 0845 1830 9.75



9.75
6 Pull out of hole; change bit; run in hole 1830 0000 5.50


5.5

7 Run in hole 0000 1030 10.50


10.5

7 Spud tests, Holes 1182E-1182G 1030 1800 7.50



7.5
7 Pull out of hole 1800 0000 6.00


6

8 Pull out of hole 0000 0215 2.25


2.25

8 Lay out equipment and rig down 0215 0715 5.00




5
8 Transit to Guam 0715 1500 7.75
7.75




Total time (hr):

112.5
17.75 17 48 23.25 6.5
                 

Activity Time





(hr) (days) % of total

Actual operating time less transit 94.75 3.95 NA






Pipe tripping 48.00 2.00 51






Survey 17.00 0.71 18






Miscellaneous activities 6.50 0.27 7






Actual spud tests 8.78 0.37 9






Additional survey/offset between spud tests 14.47 0.60 15






Total: 175.03
85





Notes: VIT = vibration isolated television. NA = not applicable.