WELLHEAD FLOWLINE PROTECTION SYSTEM
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United States of America Patent
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Jul 22, 2016
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Jul 22, 2016
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A system and method for the application of differential pressure indicating transmitters in conjunction with pressure sensors, pressure transmitters and position switches to monitor and control the flowline protection systems at remote wellheads. The system communicates with a local control panel in proximity to the wellhead, as well as to a central control room at the processing plant supplied by the wells. The system provides a black box data recorder function that documents every system test, valve closure, and the ability of the independent protection layers to contain the wellhead topside pressure. In addition, the system provides a means to limit release of hydrocarbons via a conventional pressure relief and flare system, and documents high pressure events when pressure relief valve setpoints are reached.
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