Wet-mateable connector unit with gas pressure relief
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United States of America Patent
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Jan 31, 2017
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N/A
app pub date -
Jan 20, 2016
filing date -
Jan 20, 2016
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Abstract
A wet-mateable connector unit for use in vertical or substantially vertical orientation in a subsea gas well has an outer shell and a movable wall inside the shell surrounding a pressure compensated chamber containing dielectric fluid. The chamber wall is exposed to ambient pressure outside the connector unit. At least one relief valve is mounted in the connector unit and has an inlet in communication with the upper end of the chamber and an outlet in communication with the external environment surrounding the connector unit. The relief valve opens to release gas from the upper end of the chamber when the differential pressure between the chamber and external environment exceeds a predetermined valve cracking pressure. A plurality of relief valves may be provided.
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