Importance

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Abstract

A plug apparatus, also called the frac cup, includes an interior body with conical surface, a top wedge, a slip, and seal system that limits fluid movement around the interior body while fracking The seal system can be of the cup type, expandable pad type, labyrinth seal type, or other device that limits fluid flow. A method, where a plug is conveyed into the well on electric line and a Baker type power charge setting tool, where pump fluid acts on a cup thereby propelling the plug to a preselected position in a horizontal wellbore. The plug provides a barrier to applied frac slurries in order to force the frac slurries into a formation. After the frac, the plug allows flow past an internal ball seat from the bottom side or the plug can be milled out using coiled tubing methods.

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First Claim