The GRS360™ was primarily designed for completion strings or last casing strings where drilling out was not a requirement and the ability to circulate is restricted due to either string configuration or borehole requirements.
The GRS360™ is activated by string reciprocating.

In open position the internal spring pushes the rotating assembly out 2.5 revolutions.

Closed Position
When fully compressed, the tool retracts in with another 2.5 revolutions.
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