公开(公告)号：US09816347B2

公开(公告)日：2017-11-14

申请号：US14642927

申请日：2015-03-10

申请人： Wireline Solutions, LLC

发明人： Louis W. Chenault ,  Graham L. Chenault ,  Glen Holcomb ,  Kenneth W. Stokley

IPC分类号： E21B33/129 ,  E21B33/12 ,  E21B33/134

CPC分类号： E21B33/1293 ,  E21B33/1204 ,  E21B33/1292 ,  E21B33/1294 ,  E21B33/134 ,  Y10T29/49826

摘要： A downhole isolation tool includes a mandrel made of non-metallic material, the mandrel comprising an isolation region at a first end of the mandrel, a shear sleeve adapter disposable on an outer surface of the isolation region, the shear sleeve adapter having holes aligned with holes in the outer surface of the isolation region, a slip assembly positioned around an outer surface of the mandrel, a packing element positioned around the outer surface of the mandrel, and a shoe positioned around the outer surface of the mandrel at a second end of the mandrel.