Boring or penetrating the earth – Boring a submerged formation – Boring from floating support with submerged independent...
Patent
1977-11-18
1980-02-26
Leppink, James A.
Boring or penetrating the earth
Boring a submerged formation
Boring from floating support with submerged independent...
33185R, 173 43, 166366, E21B 712
Patent
active
041901207
ABSTRACT:
A sub-sea template and moveable guide structure assembly for conducting sub-sea drilling and production operations selectively between a plurality of adjacent sub-sea wells has a sub-sea well template having a plurality of template sections, each of these sections having a plurality of well bore guide means in laterally spaced series relative to the longitudinal extent of the template; tool guide means for guiding a sub-sea well tool into a well bore guide means; carriage means and means for movebly mounting the carriage means to the template, the carriage means moveably mounting the tool guide means on the template for relative movement therebetween.
Sonic alignment means associated with the moveable guide structure and a sub-sea well tool are provided for sensing a spatial relationship between the guide structure and the well tool as the well tool is lowered onto the guide structure.
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Favreau Richard E.
Leppink James A.
Regan Offshore International, Inc.
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