Lightweight, easily drillable or millable slip for composite frac, bridge and drop ball plugs
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United States of America Patent
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Dec 19, 2017
Issued Date -
N/A
app pub date -
Apr 17, 2015
filing date -
Apr 17, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A frangible slip ring is disposable on a mandrel of a plug disposable in a casing of an oil or gas well. The slip ring is radially expandable during setting to fragment and radially expand to engage the casing. A plurality of external teeth are formed in an exterior of the slip ring, and spaced-apart axially along the slip ring. The plurality of teeth is radially segmented around a circumference of the slip ring by a plurality of axial slots spaced-apart around the circumference of the slip ring and extending into the exterior of the slip ring. An interior of the slip ring is axially segmented along a longitudinal axis by a plurality of annular grooves spaced-apart along the longitudinal axis of the slip ring and extending into the interior of the slip ring.
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