DRILLABLE BRIDGE PLUG
First Claim
1. A downhole tool for isolating zones in a well, the tool comprising:
- a mandrel;
a sealing element disposed around the mandrel;
an upper cone disposed around the mandrel proximate an upper end of the sealing element;
an upper slip assembly disposed around the mandrel adjacent a sloped surface of the upper cone;
a lower cone disposed around the mandrel proximate a lower end of the sealing element;
a lower slip assembly disposed around the mandrel adjacent a sloped surface of the lower cone;
two element end rings, a first element end ring disposed adjacent the upper end of the sealing element and a second element end ring disposed adjacent the lower end of the sealing element; and
two element barrier assemblies, each assembly disposed adjacent one of the two element end rings.
1 Assignment
0 Petitions
Accused Products
Abstract
A downhole tool for isolating zones in a well, the tool including a mandrel, a sealing element disposed around the mandrel, an upper cone disposed around the mandrel proximate an upper end of the sealing element, an upper slip assembly disposed around the mandrel adjacent a sloped surface of the upper cone, a lower cone disposed around the mandrel proximate a lower end of the sealing element, a lower slip assembly disposed around the mandrel adjacent a sloped surface of the lower cone, two element end rings, a first element end ring disposed adjacent the upper end of the sealing element and a second element end ring disposed adjacent the lower end of the sealing element, and two element barrier assemblies, each assembly disposed adjacent one of the two element end rings is disclosed.
43 Citations
25 Claims
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1. A downhole tool for isolating zones in a well, the tool comprising:
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a mandrel; a sealing element disposed around the mandrel; an upper cone disposed around the mandrel proximate an upper end of the sealing element; an upper slip assembly disposed around the mandrel adjacent a sloped surface of the upper cone; a lower cone disposed around the mandrel proximate a lower end of the sealing element; a lower slip assembly disposed around the mandrel adjacent a sloped surface of the lower cone; two element end rings, a first element end ring disposed adjacent the upper end of the sealing element and a second element end ring disposed adjacent the lower end of the sealing element; and two element barrier assemblies, each assembly disposed adjacent one of the two element end rings. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A downhole tool for isolating zones in a well, the tool comprising:
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a mandrel; a sealing element disposed around the mandrel; two slip assemblies disposed around the mandrel, wherein an upper slip assembly is disposed proximate an upper end of the sealing element and a lower slip assembly is disposed proximate a lower end of the sealing element; an upper cone disposed around the mandrel between the first slip assembly and the upper end of the sealing element; and a lower cone disposed around the mandrel between the first slip assembly and the lower end of the sealing element, wherein the mandrel comprises a central bore and wherein a movable bridge is disposed between two stops in the central bore. - View Dependent Claims (24, 25)
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Specification