Patent ID: 11952865
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Civil engineering (Other fields)
Classification: CPC E  Y | IPC E

Claim 0:
1. An apparatus comprising:
a flow control valve configured to be positioned downhole in a wellbore and to control a flow of an injection fluid from a fluid conduit into a subterranean formation, the injection fluid comprising elemental hydrogen (H2);
wherein the flow control valve comprises a chamber having a variable volume and filled with a fill fluid comprising elemental hydrogen (H2) or an azeotrope of elemental hydrogen, and
wherein the flow control valve is configured to actuate to an open configuration to provide a fluid passageway for the injection fluid to flow from the fluid conduit into the subterranean formation when a phase state of the elemental hydrogen (H2) provided as the injection fluid to the flow control valve is in a predetermined phase state.