Lubricator assembly and method for servicing tubular members

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United States of America Patent

PATENT NO 11795766
SERIAL NO

17285713

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Importance

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL OILWELL VARCO L P7909 PARKWOOD CIRCLE DRIVE HOUSTON TX 77036

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheng, Lei Shanghai, CN 126 620
Donnally, Robert Plano, US 1 1
McKenzie, Andrew Cypress, US 7 51
Wu, George Shanghai, CN 44 1031
Yang, Leo Shanghai, CN 1 1

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