Figure F18. Plumbing schematic of CORK system deployed in Hole U1301B during Expedition 301. Three OsmoSamplers were attached during deployment to valves 1, 2, and 6, as indicated; OsmoSamplers attached to valves 1 and 2 were subsequently recovered during September 2004 ROV operations, and the remaining system was left in place. This system contains redundant sampling opportunities of two isolated zones through use of T-connectors. The pressure logging system monitors three zones: one below the deepest casing packer, one between the two packers, and one between the shallowest packer and the seafloor, including uppermost basement and the annular volumes between the 16 and 4½ inch casing strings. BW = bottom water.
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