Oil and Gas Separators

Separation is crucial for oil and gas production. Separator design can be very sophisticated, relying on accurate temperature, pressure, gas and liquid density, residence time, and oil viscosity. There are several types of separating processes.

* Two-phase separators
* Three-phase separators
* Coalescing filter separators
* Double-barrel horizontal separators

These separators will use cyclones, vane packs, mesh pad mist eliminators and other types of plate packs.

Three-phase separators change with the gas-oil ratio (GOR), relative water to oil ratios, turndown percentage and pressure changes. Internal velocities including gas and liquid setting are critical. Three-phase separators, two-phase separators, and double barrel horizontal separators all require level controls. Since the separators have interned chambers with weirs, down comers and filter coalescers, there is a need for external piping.

Sep-Pro, being an ASME code shop, builds all the vessels and piping systems. Since the separators usually have heavy wall thicknesses, heat-treating is usually required. For corrosive environments the vessels can also be internally coated.
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