Patent ID: 7455118
Filing Date: 2008-11-25
Classification: E21B

Abstract:
1. A downhole tool comprising: a mandrel; a sealing element disposed around the mandrel; an upper cone disposed above the sealing element and a lower cone disposed below the sealing element; an upper slip assembly disposed above the upper cone and a lower slip assembly disposed below the sealing element; at least one lock ring configured to maintain energization of the sealing element after the downhole tool is set; a gage ring disposed above the upper cone and configured to engage the upper slip assembly and the at least one lock ring; and a secondary lock that couples the upper cone to the gage ring, thereby coupling the upper cone with the at least one lock ring, wherein after the downhole tool is set at least one slip assembly is configured to be translated toward the sealing element and secured to further energize the sealing element during a pressure differential.