Patent ID: 9464499
Filing Date: 2016-10-11
CPC Classification: E21B

Claim Text:
1. A wellbore plugging system for use in a wellbore casing comprising: a wellbore setting tool, a wellbore retrieval tool and a ball-in-place plug; said wellbore retrieval tool operatively coupled to said wellbore setting tool on an upstream end of said wellbore retrieval tool; said wellbore retrieval tool operatively coupled to said ball-in-place plug on a downstream end of said wellbore retrieval tool; a restriction element is configured to be conveyed with said ball-in-place plug; said wellbore retrieval tool sized and configured to trap and hold said restriction element; wherein, said restriction element is drawn by well flow back into a trap in said wellbore retrieval tool for retrieval; and further wherein said restriction element is configured to be deployed to seat against said ball-in-place plug upon separation of said wellbore setting tool from said plug.