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US 2016/0237754 A1Published application
Bicomponent seals comprising aligned elongated carbon nanoparticles
AssigneeHallivurton Energy Services, Inc.
InventorPing Sui
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Abstract
Some embodiments described herein provide a bicomponent seal comprising an outer sheath comprising a nanocomposite material comprising aligned elongated carbon nanoparticles embedded in a first polymer; and an inner core comprising a second polymer. In some embodiments, the elongated carbon nanoparticles may be selected from the group consisting of graphene nanoribbons; carbon nanotubes; carbon nanohorns; and any combination thereof.
Claims23
A bicomponent seal comprising:
- an outer sheath comprising a nanocomposite material comprising aligned elongated carbon nanoparticles embedded in a first polymer;
- and
- an inner core comprising a second polymer.
A bicomponent seal comprising:
- an outer sheath comprising a first nanocomposite material comprising aligned elongated carbon nanoparticles embedding in a first polymer;
- and
- an inner core comprising a second nanocomposite material comprising elongated carbon nanoparticles embedded in a second polymer.
A drill bit comprising:
- a rotary joint;
- and
- a bicomponent seal configured to seal a portion of the rotary joint, thereby defining a sealed segment and an unsealed segment of the rotary joint,
- wherein the bicomponent seal comprises an outer sheath comprising a nanocomposite material comprising aligned elongated carbon nanoparticles embedded in a first polymer and an inner core comprising a second polymer.
1 more element
Dependencies are inferred from the claim text.