Patent ID: 8746342
Filing Date: 2014-06-10
Classification: E21B,Y10T

Abstract:
1. A downhole tool for use in completing a well, comprising: a) a plug body selectively securable to a wellbore at a desired depth and having a flowbore formed therein; b) a non-dissolvable flow restrictor disposed in the flowbore and operable to restrict a flow of fluids through the flowbore; c) a time-dissolvable retainer pressed against the flow restrictor to retain the flow restrictor in a first position within the plug body, the retainer being dissolvable within a predetermined passage of time inside a natural wellbore environment to release the flow restrictor to move between the first position and a second position within the plug body; and d) the time-dissolvable retainer comprising at least one biodegradable ball.