Table 1.

Flushing time calculated based on the inner diameters of the fluid delivery lines of a few selected CORKs installed in IODP boreholes 1362A and 1362B.

	1362B	1362A Shallow	1362A Deep
Length of Line	290	320	450
Inside Diam (in)	0.5	0.5	0.5
Inside Diam (mm)	12.7	12.7	12.7
Inside Diam (m)	0.013	0.013	0.013
Radius (m)	0.0064	0.0064	0.0064
FDL Volume (m3)	0.037	0.041	0.057
FDL Volume (L)	37	41	57
6 times FDL Volume (L)	220	243	342
Pumping rate (L/min)	5	5	5
Time to flush (min)	44	49	68