.~ Boring from floating support with submerged independent anchored guide base
DEFINITION
Classification: 175/7
(under subclass 5) Subject matter, utilizing a base structure positioned on the underwater floor and completely covered by water when so positioned and a floating structure independent of the base structure, said floating structure and base structure cooperating to support and guide the drilling apparatus during the drilling operation.
(1) Note. A mere casing extending upwardly from the marine floor is not included under this definition.
(2) Note. The base structure may be connected to the floating structure by flexible means which will permit the floating structure to move relative to the base structure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
10, for submersible guide means which may engage the marine floor but which guide means is mounted on a guide frame which frame will move with movement of the floating structure.
220, for above ground guide means for relatively advancing tool.
