Drill-string connector
AssigneePilot Drilling Control Limited
InventorsGeorge Swietlik, Robert Large
Life of this patent
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Abstract
A connector (10) which provides a fluid tight connection between a fluid supply and a drill-string (4), the connector (10) comprising a piston-rod (20) and a cylinder (15), the piston-rod (20) having a seal at or towards its free end which is adapted to sealingly engage the drill-string (4) when the piston-rod (20) is at least partially extended from the cylinder (15).
Claims13
A connector which provides a fluid tight connection between a fluid supply and a drill-string, the connector comprising a piston-rod and a cylinder, the piston-rod having a seal at or towards its free end which is adapted to sealingly engage the drill-string when the piston-rod is at least partially extended from the cylinder.
Dependencies are inferred from the claim text.