Patent
Method of measuring multiphase flow
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TLDR
In this paper, a multi-phase flow is estimated in a flow meter having a first and a second stage by empirically deriving an algorithm for the water and gas fractions, measuring pressures within the flow meter, and estimating a total mass flow rate based on the measured pressures.Abstract:
Multi-phase flow is estimated in a flow meter having a first and a second stage by empirically deriving an algorithm for the water and gas fractions, measuring pressures within the flow meter, and estimating a total mass flow rate based on the measured pressures. A corrected total mass flow rate is calculated using a liquid/gas slip correction technique. The oil fraction can be determined from the corrected total mass flow rate and gas and water fractions.read more
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References
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Patent
Flow meter for multi-phase mixtures
Kenneth E. Stephenson,John William James Ferguson,John Barry Fitzgerald,Anthony R. H. Goodwin,Gerald Henry Meeten,Sarah Elizabeth Pelham +5 more
TL;DR: A flow meter for multiphase flows, including a holdup measuring device having a Venturi located upstream thereof and separated therefrom by a distance that results in flow through the hold up measuring device being at least partially homogenized by the effect of the Venturi on the fluids flowing therethrough as discussed by the authors.
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Systems and Methods For Measuring Multiphase Flow in a Hydrocarbon Transporting Pipeline
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Patent
Two and three phase flow metering with a water cut monitor and an orifice plate
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Improved method and system for measuring multiphase flow using multiple pressure differentials
TL;DR: An improved method and system for measuring a multi-phase flow in a pressure flow meter is described in this article, where an extended venturi (114) is used and pressure of the multiphase flow is measured at three or more positions in the venturi, which define two or more pressure differentials in the flow conduit.