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US 6,886,391 B2Granted
Redundant metal-metal seal
AssigneeSchlumberger Technology Corporation
InventorsHarjit S. Kohli, Hebah Ahmed, Anthony F. Veneruso
Life of this patent
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Abstract
The present invention provides a sealing assembly for protecting a downhole connection. The sealing assembly comprises independently energized metal-metal seals and a housing that prevents the energization of individual seals from affecting other seals.
Claims2
A method of testing downhole seals, comprising:
- providing hollow beads adapted to emit noise upon exposure to increased pressure, the hollow beads isolated from the increased pressure by the downhole seals;
- exposing the downhole seals to increased pressure;
- and
- monitoring the hollow beads for sound.
1 more element
Dependencies are inferred from the claim text.