Remote seal pressure measurement system for subsea use

  • US 9,389,106 B2
  • Filed: 03/05/2013
  • Issued: 07/12/2016
  • Est. Priority Date: 03/06/2012
  • Status: Active Grant
First Claim
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1. A remote seal assembly for subsea applications, the assembly comprising:

  • an upper housing having a fluid coupling for coupling the remote seal assembly to a process fluid pressure measurement device;

    a lower housing coupled to the upper housing and having an interface that is configured to mount to a pressure vessel, the lower housing also having a process fluid inlet, the lower housing includes a shoulder around the process fluid inlet configured to fit against the pressure vessel and seal the inlet to a pressure tap in the pressure vessel;

    an isolation diaphragm disposed between the upper and lower housings; and

    wherein at least one of the upper housing, lower housing and isolation diaphragm are constructed from a material suitable for immersion in saltwater; and

    the housing includes a hydrate draining feature.

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