BOTTOM HOLE ASSEMBLY COMPRISING FLOW THROUGH SETTING TOOL AND FRAC PLUG
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United States of America Patent
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N/A
Issued Date -
Dec 29, 2011
app pub date -
Aug 21, 2009
filing date -
Aug 21, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A bottom hole assembly comprising a hydraulic setting tool, a frac plug, and usually also an adapter for connecting the frac plug to the setting tool. The setting tool, adapter, and frac plug, all include continuous flow passages that allow fluid to be circulated in the well ahead of the plug as the bottom hole assembly is advanced. This removes debris present in the well and prevents the frac plug from becoming lodged in the well in other than the desired location. The setting tool includes a bypass feature that signals reliably when the plug has been successfully deployed. The bypass assembly comprises sliding members with bypass ports that can become aligned only when the collar on the frac plug has advanced far enough to ensure complete deployment of the frac plug.
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