Patent ID: 11920436
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 8:
9. A method of cementing in a wellbore comprising:
introducing a tubing string and a downhole tool installed on a bottom of the tubing string into the wellbore, wherein the downhole tool comprises:
a first valve;
a second valve;
a first sliding sleeve; and
a second sliding sleeve, wherein the first sliding sleeve is releasably connected to the second sliding sleeve;

causing the first sliding sleeve and the second sliding sleeve to shift to a location below the first valve, wherein the shifting allows the first valve to close; and
causing the first sliding sleeve to shift to a location below the second valve, wherein the shifting allows the second valve to close, wherein a fluid flow path through the mandrel from a bottom of the downhole tool is closed when the first valve and the second valve are in the closed position.