High pressure rotary shaft sealing mechanism

J-tube seal

Mechanical seal for movable joints of machines

Mechanically energized element

One-piece ram element block for wireline blowout preventers

Packer

Packer cup

Pressure compensated stuffing box for reciprocating pumping...

Redundant metal-metal seal

Ribbed sealing element and method of use

Rubber riveting of molded parts

Seal assembly for reciprocating shaft

Seal for a longitudinally movable drillstring component

Seal ring for well completion tools

Seal structure for downhole tool

Sealing ring packing

Sealing system and method

Self aligning stuffing box for pumpjacks

Self-boosting wedge tubing-to-casing seal

Self-tightening type sealing device