Wave spring suits oil industry

The design of the triple interlaced wave spring allows for a higher preload and more consistent performance in the restricted cavity of the design.

TFC has provided a triple interlaced wave spring to Baker Oil Tools for use in packer setting devices (FBIV-II) deployed in the oil industry.

The spring's functionality is crucial to the successful operation of the device which allows full bore access through the device to the surface when opened.

The wave spring controls the cycling/return (12 repetitions) of a piston and is deployed only once during the operational lifetime of the component.

Such is the importance of the operation of the spring that failure of it, or of associated components, could result in lost production and a costly work-over situation many miles out at sea in a hostile terrain.

The design of the triple interlaced wave spring allows for a higher preload and more consistent performance in the restricted cavity of the design.

The spring provides safe and consistent functionality in hostile environments.

"One triple interlaced wave spring has replaced the function that a traditional coil spring used to do" Derek Lindsay, Senior Engineering Manager at Baker Oil Tools said.

"This allows us adjustability during assembly and increased return pressures which makes the FBIV-II more reliable and less susceptible to overbalance or debris".

"The reduced footprint of the Triple Interlaced Spring also means that we can design our tools accordingly".

TFC's Smalley Crest to Crest Wave Spring adds flexibility to design with an increased range of sizes and dimensions, all of which can be supplied at short notice.

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