Fmc Technologies, Inc.

Steven L Schwegman

Tep Ungchusri

A low-spread metal ring gasket includes a lower ring gasket portion having a bottom surface and an upper ring gasket portion having an upper surface. The lower ring gasket portion includes at least one ring gasket sealing surface extending upward from the bottom surface, and the upper ring gasket portion includes at least one sealing bump protruding upward form the upper surface.

Metal-to-metal sealing system with low component spreading requirements

A retainer for movably securing a valve member within a fluid bore of a pump comprises a retainer head which includes at least one peripheral groove and a retainer hub which is connected to or formed integrally with the retainer head. The valve member is movably coupled to the retainer hub, and the retainer head is movable to position the groove over a radial protrusion in the fluid bore. In this position, the retainer is secured to the pump and the valve member is accordingly movably secured within the fluid bore.

Pump valve retainer

The invention is directed to a coiled tubing swivel for rotatably connecting a first conduit to a second conduit. The swivel comprises a swivel body having a cylindrical receptacle and a flowpath that communicates between the receptacle and the first conduit, a tubular mandrel having a first end that is received within the receptacle and a second end which communicates with the second conduit, and a bearing assembly positioned between the receptacle and the mandrel. The bearing assembly includes a central axis, a cylindrical outer sleeve having an inner surface and a number of annular inner grooves which are formed on the inner surface coaxially with the central axis, and a cylindrical inner sleeve having an outer surface and a number of annular outer grooves which are formed on the outer surface coaxially with the central axis. The outer grooves align with respective inner grooves to define a number of bearing races, and a plurality of balls are disposed in the bearing races to rotatably secure the inner sleeve to the outer sleeve. Moreover, each bearing race comprises a diameter which is smaller than the diameter of the adjacent bearing race that is closer to the first end of the mandrel. In addition, the swivel comprises a packing for sealing the bearing assembly from the flowpath in the swivel body.

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Spring, TX, United States of America

Steven L Schwegman