Oil and gas separators

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The oil / gas separator is a pressurized vessel used to separate the flow of the well into the gas and liquid components. They are installed at a ground processing station or on an offshore platform. Based on ship configuration, oil / gas separator can be divided into horizontal, vertical, or spherical separator. In the liquid team to be separated, oil / gas separators can be grouped into gas / liquid two-phase separators or three-phase oil / gas / water separators. Based on separation function, oil / gas separator can also be grouped into primary phase separator, test separator, high pressure separator, low pressure separator, deliquilizer, degasser, etc. To meet process requirements, oil / gas separators are usually designed. Gradually, where the first phase separator is used for priliminary phase separation, the second and third stage separators are applied for further treatment of each individual phase (gas, oil and water). Depending on the specific application, an oil / gas separator is also called a deliquilizer or degasser. The deliquilizers are used to remove the dispersed droplets from the bulk gas stream; while the degasser is designed to remove unprocessed gas bubbles from the bulk liquid stream.

Other separator names
Name of conventional oil / gas
separator:

• Oil / gas separator
• Gas / liquid separator
• Degasser
• Deliqulizer
• Scrubber Trap

Incoming zone
The proper inlet is required to obtain the initial liquid / liquid bulk separation. In most cases, the gas will come out of the solution in the pipe, leading to the separator (due to downward pressure in the upstream choke or control valve). Therefore, most of the gases are separated from the liquid in the inlet zone. Due to the foaming problem and the need for higher capacity, cyclone inflows are becoming increasingly popular. For applications with incoming momentum saying less than 9 kPa, the propeller inlet can be used.

Typical inlets include:

• Flat impact plate
• The head plate is empty
• Pipa setengah terbuka
• Vane type inlet Cyclone-cluster inlet

This inlet, though cheap, may have a disadvantage affecting the performance of negative separation. However, for higher momentum momentum, this inlet can cause problems. Flat or dished-head plates can cause droplets and small foams. The open pipe design may cause short-circuit or fluid delivery. Although initial momentum is a good starting point for selection, process conditions, and demister options, it should also be considered. For example, if the liquid loading is low enough that the demister can handle all liquids, the inlet device can be applied beyond its typical momentum range.