Patent ID: 11873698
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 6:
7. A downhole tool for use in a wellbore comprising:
a tubing defining a central flow passage therethrough and having a port defined in a wall thereof communicating the central flow passage with an annulus defined between the tubing and the wellbore; and
a plug removably positioned in the port to prevent communication between the central flow passage and the annulus, the plug being expellable into the annulus as a result of a pressure applied in the tubing, the plug comprising a generally cylindrical body and a sloped plug head extending therefrom, the sloped head engaging a sloped shoulder against which the plug will engage to prevent pressure in the annulus from pushing the plug into the central flow passage.