Gas Liquid Separation
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eProcess Axial Flow Cyclones (AFC) provide cost effective, compact, and efficient gas-liquid separation.
Multiphase fluids enter the base of an AFC and rotate from the action of centrifugal forces. Stationary helical vanes force the heavier liquids to the wall of the cyclone and the lighter gas phase migrates to the center. Dry gas is separated and directed to the outlet stream while the remaining partially degassed multiphase stream continues axially through the separator.
In Topsides applications the separated gas phase will be recovered via an elbow or crossover line, whereas Downhole the dry gas will be directed to the tubing-casing annulus.
Applications:
- Conventional Separator Debottlenecking
- Compact Degassing and Partial Processing
- Multiphase Metering
- Surface Gas Scrubbing
- Downhole Gas Liquid Operations and Optimal ESP Operations
Benefits:
- No moving parts, with low capital and operating costs
- Very compact in size and weight
- Foam Free gravity separator operation
- Insensitive to motion and highly flexible retrofit for debottlenecking applications
Operations:
- Highly flexible separation operation where either gas scrubbing or degassing is the primary separation objective
- For gas scrubbing the AFC typically provides no liquid carry over when less than 60% of the inlet gas is removed, and for degassing operations typically no liquid carry over will occur when less than 80% of the inlet gas is removed
- Pressure drops are typically 50-80 psig for the AFC
- Typical sizes for the AFC sizes 4 to 10 inch diameter by 6 to 20 foot long
- Gas liquid processing capacities in the 100 BPD and 500 MSCFD up to the 25,000 BPD and 60 MSCFD range
