The NERA Non-Elastomeric Sliding Sleeve is a communication device with a ported inner sleeve that can be opened or
closed using a shifting tool by standard slickline or coiled tubing methods. Equalizing holes in the inner sleeve provide
pressure equalization between the tubing and casing annulus as the sleeve is opened. The Sliding Sleeve is made up to
and forms part of the tubing string. The NERA Sliding Sleeve is a shift up-to-open tool.
The NERA Non-Elastomeric Sliding Sleeve uses common machined parts that allow the shift-open direction to be
changed from up-to-open to down-to-open by simply substituting different sub ends
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