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doi:10.2204/iodp.sp.303306.2004

Table T1. Expedition 303 operations plan and time estimates.
Site
Location
(lat/long)
Water depth (mbsl)
Operations description
Transit (days)
Drilling (days)
Logging (days)
St. John's, Newfoundland

Sea Voyage from St John's to ORPH3A: 317 nmi @ 10.0 kt
1.3


ORPH3A
(Canada)
50°09.984'N,
45°38.273'W
3591
3X APC to 300 mbsf. Drillover stuck core barrels to extend APC depth.




Tensor orientation on all APC cores. Four Adara measurements.

7.2




Log: triple combo and FMS-sonic.


0.8



Transit from ORPH3A to LAB7A: 486 nmi @ 10.0 kt
1.9


LAB7A
(Denmark)
58°14.227'N
46°38.589'W
2273
3X APC to 300 mbsf. Drillover stuck core barrels to extend APC depth.




Tensor orientation on all APC cores. Four Adara measurements.

5.5




Transit from LAB7A to LAB3A: 59 nmi @ 10.0 kt
0.2


LAB3A
(Denmark)
58°02.169'N
48°27.57'W
3350
3X APC to 300 mbsf. Drillover stuck core barrels to extend APC depth.




Tensor orientation on all APC cores. Four Adara measurements.

6.4




Transit from LAB3A to LAB6A: 34 nmi @ 10.0 kt
0.1


LAB6A
(Denmark)
57°28.508'N
48°31.842'W
3485
3X APC to 300 mbsf. Drillover stuck core barrels to extend APC depth.




Tensor orientation on all APC cores. Four Adara measurements.

6.4




Transit from LAB6A to IRD1A: 969 nmi @ 10.0 kt
3.9


IRD1A
(International)
49°52.667'N
24°14.287'W
3884
3X APC to 300 mbsf. Drillover stuck core barrels.




Tensor orientation on all APC cores. Four Adara measurements.

6.9

Ponta Delgada

Sea Voyage from IRD1A to Ponta Delgada, Azores: 757 nmi @ 10.0 kt
3.2





Subtotal:
10.6
32.4
0.8



Total operating days:
43.8












Alternate sites*



IRD3A
(International)
41°0.068'N
32°57.438'W
3426
3X APC to 300 mbsf. Drillover stuck core barrels to extend APC depth.




Tensor orientation on all APC cores. Four Adara measurements.

6.4








IRD4A
(International)
42°50.205'N
23°05.252'W
3542
3X APC to 300 mbsf. Drillover stuck core barrels to extend APC depth.




Tensor orientation on all APC cores. Four Adara measurements

6.8








LAB8A
(Denmark)
58°28.525'N
46°27.823'W
2650
3X APC to 300 mbsf. Drillover stuck core barrels to extend APC depth.




Tensor orientation on all APC cores. Four Adara measurements.

5.9








LAB8B
(Denmark)
58°33.227'N
46°18.04'W
2556
3X APC to 300 mbsf. Drillover stuck core barrels to extend APC depth.




Tensor orientation on all APC cores. Four Adara measurements.

5.5








LAB8C
(Denmark)
58°30.346'N
46°24.034'W
2554
3X APC to 300 mbsf. Drillover stuck core barrels to extend APC depth.




Tensor orientation on all APC cores. Four Adara measurements.

6.4








ORPH2A
(Canada)
50°12.40'N
45°41.22'W
3539
3X APC to 200 mbsf. Drillover stuck core barrels.




Tensor orientation on all APC cores. Four Adara measurements.

4.8








GAR2A
(International)
53°03.400'N
33°31.780'W
3024
3X APC to 300 mbsf. Drillover stuck core barrels.




Tensor orientation on all APC cores. Four Adara measurements.

6.0








GAR1B
(International)
56°21.882'N
27°53.310'W
2821
3X APC to 300 mbsf. Drillover stuck core barrels.




Tensor orientation on all APC cores. Four Adara measurements.

6.0








Notes: APC = advanced piston coring. * = all Expedition 306 primary sites are listed as alternates for Expedition 303.

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