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Class Information
Number: 277/344
Name: Seal for a joint or juncture > Seal for well apparatus > Segmented radially actuated packer (e.g., oil saver, gas saver, etc.) for above ground apparatus
Description: Seal for well apparatus wherein the seal is divided into portions intended for movement in a direction perpendicular to and seal an annular axial flow path formed at the joint or juncture between the part (e.g., axial rod, pipe, drill stem, etc.) surrounded by another part (e.g., well casing) intended to function or remain at ground level.

Patents under this class:

Patent Number Title Of Patent Date Issued
8474524 Anti-extrusion packer system Jul. 2, 2013
6367805 Stripping arrangement Apr. 9, 2002
4289294 Wellhead flow control devices Sep. 15, 1981
4060249 Rod packing Nov. 29, 1977

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