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US 8,800,880 B2Granted
Downhole tag assembly
AssigneeNational Oilwell Varco, L.P.
InventorTed Louis Christiansen
Life of this patent
Estimating the term…
Abstract
Assemblies for packaging a downhole tag. In one embodiment, a tag assembly includes a package configured to contain a wireless tag. The package includes a base, an inner cover, and an outer cover. The base includes a cavity configured to retain an antenna, tag circuitry, and the inner cover disposed over the antenna and tag circuitry.
Claims17
A tag assembly for use in a borehole, comprising:
- a package configured to contain a wireless tag, the package comprising:
- an inner housing configured to retain an antenna and tag circuitry;
- an inner cover that extends over a top opening of the inner housing;
- and
- an outer cover disposed above the inner cover;
- wherein the inner cover is configured to be laser welded to the inner housing through a top surface of the inner cover.
3 more elements
A tag assembly, comprising:
- a tag mounting component, comprising:
- a first side having a finite radius of curvature that is substantially equal to the radius of curvature of an external surface of a tubular member onto which the first side of the mounting component is to be affixed;
- and a second side, opposite the first side, having a radius of curvature smaller than the radius of curvature of the first side, and a depression disposed to hold a tag.
Dependencies are inferred from the claim text.