Subsea Separation and Processing of Oil, Gas & Produced Water ...
Subsea Separation and Processing of Oil, Gas & Produced Water ...
Subsea Separation and Processing of Oil, Gas & Produced Water ...
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Main Findings from State <strong>of</strong> Art Review<br />
• Topsides <strong>Water</strong> Treatment Generally Requires Tertiary System<br />
– CPI separator (coalescing plate interceptor) / Hydrocyclones / Skimmer<br />
– Induced <strong>Gas</strong> Flotation<br />
– Filtration is sometimes required to achieve low oil <strong>and</strong> grease concentrations<br />
– Membrane filtration is sometimes required to remove dissolved organics<br />
• <strong>Subsea</strong> <strong>Separation</strong> Technologies Have Focused on<br />
– Two-phase gas liquid separation<br />
– <strong>Water</strong> separation for injection use<br />
• Much higher oil in water content than discharge limitations<br />
• De-s<strong>and</strong>ers <strong>and</strong>/or filters to remove suspended solids to sizes small<br />
enough for injection<br />
Rice Global E&C Forum – 13 January 2012 73
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