Hydraulic control system monitoring apparatus and method
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United States of America Patent
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Jul 23, 2013
Grant Date -
Apr 28, 2011
app pub date -
Oct 27, 2010
filing date -
Oct 28, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A hydraulic control system for operating a subsea blowout preventer includes a surface manifold configured to convey hydraulic power to the blowout preventer, a surface actuation valve hydraulically connected to subsea valves and configured to operate the blowout preventer, and a control system monitoring apparatus. The control system monitoring apparatus includes a surface manifold pressure transducer hydraulically connected to the surface manifold, an electronic readback system, and a surface control line pressure transducer hydraulically connected to the surface end of at least one control hose and the surface actuation valve. The control system monitoring apparatus is configured to read, record, and process pressure data supplied by the surface manifold and surface control line pressure transducers.
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