Systems and methods for analyzing multiphase production fluids utilizing a vertically oriented fluidic separation chamber

A system for analyzing a multiphase production fluid, the system comprising fluidic piping, a production fluid supply valve configured to supply multiphase production fluid, an inert gas supply valve configured to supply an inert gas, the inert gas being separate from and comprising a lower density than a gaseous phase of the multiphase production fluid, a vertically oriented fluidic separation chamber, an inert gas exhaust valve, a separation chamber pressure sensor, a fluidic separation detector and a fluidic supply and analysis unit, in which:

• the fluidic separation detector comprises a plurality of active sensors, a plurality of passive sensors, or a plurality of active sensors and a plurality of passive sensors;
• the fluidic piping is configured to supply multiphase production fluid from the production fluid supply valve to the vertically oriented fluidic separation chamber;
• the inert gas exhaust valve is configured to exhaust inert gas from the vertically oriented fluidic separation chamber;
• the separation chamber pressure sensor is configured to provide an indication of gas pressure in the vertically oriented fluidic separation chamber;
• and
• the fluidic supply and analysis unit is in communication with the production fluid supply valve, the inert gas supply valve, the inert gas exhaust valve, the separation chamber pressure sensor, and the fluidic separation detector, and is configured to:
• supply the inert gas to the vertically oriented fluidic separation chamber through the inert gas supply valve,
• communicate with the production fluid supply valve to supply the multiphase production fluid to the vertically oriented fluidic separation chamber through the production fluid supply valve after supplying the inert gas,
• communicate with the separation chamber pressure sensor to stabilize the gas pressure within the vertically oriented fluidic separation chamber by exhausting the inert gas through the inert gas exhaust valve as the multiphase production fluid is supplied,
• communicate with the fluidic separation detector to monitor a growth rate QC of a gaseous phase column of the multiphase production fluid in the vertically oriented fluidic separation chamber through the fluidic separation detector, and
• convert the growth rate QC of the gaseous phase column to a production fluid gas flow rate QG.