| 摘要 |
In one aspect, an apparatus for use in a wellbore is disclosed, including an occlusion retaining mechanism; an integrated controller configured to compare a plurality of downhole conditions to a plurality of predetermined release conditions and release an occlusion from the occlusion retaining mechanism in response to the plurality of downhole conditions satisfying the plurality of predetermined release conditions. In another aspect, a method for isolating a portion of a wellbore is disclosed, including deploying a frac plug in the wellbore; setting the frac plug in the wellbore; deploying a frac ball release tool in the wellbore; selectively retaining a frac ball within the frac ball release tool; releasing the frac ball in response to a plurality of downhole conditions satisfying a plurality of predetermined release conditions. |
