Lubricator assembly and method for servicing tubular members
AssigneeNational Oilwell Varco, L.P.
InventorsAndrew McKenzie, Robert Donnally, Lei Cheng, George Wu, Leo Yang
Life of this patent
Estimating the term…
Loading patent…
AssigneeNational Oilwell Varco, L.P.
InventorsAndrew McKenzie, Robert Donnally, Lei Cheng, George Wu, Leo Yang
Estimating the term…
A lubricator assembly for servicing a tubular member includes a mounting base, a lubricant housing movably coupled to the mounting base and configured to receive lubricant from a lubricant source, a guide pin slidably disposed in the lubricant housing, a first seal positioned between the guide pin and the lubricant housing and a second seal positioned between the guide pin and the lubricant housing, and a first chamber extending between the first seal and the second seal, wherein the guide pin is configured to direct lubricant disposed in the first chamber against the tubular member in response to the tubular member engaging the guide pin.
A lubricator assembly for servicing a tubular member, comprising:
A lubricator assembly for servicing a tubular member, comprising:
A method for lubricating an end of a tubular member, comprising:
Dependencies are inferred from the claim text.