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A multiphase flow meter is a device used to measure the individual phase flow rates of constituent phases in a given flow (for example in oil and gas industry) where oil, water and gas mixtures are initially co-mingled together during the oil production processes.
In oil and gas industries, multiphase flow often implies to simultaneous flow of oil, water and gas. The term is also applicable to the properties of a flow in some field where there is a chemical injection or various types of inhibitors .
Multiphase flow meters are not suitable for all applications where clean-ups are required post workover. In the absence of accurate, robust and low-cost multi-phase flow meters, large oil fields with thousands of wells continue to rely on well tests as the primary source of information for production surveillance.
Different modes of two-phase flows. In fluid mechanics, two-phase flow is a flow of gas and liquid — a particular example of multiphase flow.Two-phase flow can occur in various forms, such as flows transitioning from pure liquid to vapor as a result of external heating, separated flows, and dispersed two-phase flows where one phase is present in the form of particles, droplets, or bubbles in ...
A virtual flow meter is a type of an implementation using such methods. Some gas and condensate fields in the North Sea are developed with subsea templates where multiphase flow meters are installed for each well and virtual flow meters for each well are taken in use as a backup for and redundancy to the flow meters. [40] [41]
The term "wet gas" has been used to describe a range of conditions varying from a humid gas which is gas saturated with liquid vapour to a multiphase flow with a 90% volume of gas. There has been some debate as to its actual definition, [ 2 ] and there is currently no fully defined quantitative definition of a wet gas flow that is universally ...