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Oil-water phase content measurement method based on multivariate phase space complex network and verification method thereof

A complex network and measurement method technology, applied in the field of phase holdup measurement information fusion of oil-water two-phase flow, can solve the problems of limited multivariate time series complex network research theory

Active Publication Date: 2014-09-17
TIANJIN UNIV
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Problems solved by technology

The research on univariate time series complex networks has made great progress, but the research theory of multivariate time series complex networks is still quite limited. Nodes build a network, which has great limitations in the application of non-EEG signal analysis fields

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  • Oil-water phase content measurement method based on multivariate phase space complex network and verification method thereof
  • Oil-water phase content measurement method based on multivariate phase space complex network and verification method thereof
  • Oil-water phase content measurement method based on multivariate phase space complex network and verification method thereof

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Embodiment Construction

[0041] The method for measuring and verifying the oil-water phase holdup based on the multi-phase space complex network of the present invention will be described in detail below with reference to the embodiments and the accompanying drawings.

[0042] The phase holdup measurement method of oil-water two-phase flow based on the complex network of multivariate phase space of the present invention fuses multivariate information by reconstructing the phase space and establishing a complex network, and extracts the cross-aggregation coefficient and crossover which have a linear relationship with the oil content The transitive network index is normalized, and the oil content linear relationship measurement chart is drawn to realize the measurement of the oil content of the horizontal oil-water two-phase flow.

[0043] Such as figure 1 As shown, the oil-water two-phase flow phase holdup measurement method based on the complex network of multi-component phase space of the present inv...

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Abstract

An oil-water phase content measurement method based on a multivariate phase space complex network and a verification method thereof are provided. The measurement method includes the steps: building the multivariate phase space complex network; calculating oil-water two-phase flow parameter measurement information; drawing a measurement chart of linear relationships of the interactive clustering coefficient and the interactive transitivity with the oil content, and realizing the measurement of the oil content of a horizontal oil-water two-phase flow; and according to the drawn measurement chart, analyzing the relationships of interactive clustering coefficient and interactive transitivity network subprocess quantitative characteristics with flow pattern evolution dynamics, and revealing a horizontal oil-water two-phase flow flow-pattern evolution dynamics mechanism. Verification is carried out by a four-sector distributed conductance sensor. The invention provides the multivariate phase space complex network method for information fusion of measurement signals of the two-phase flow distributed conductance sensor, and different oil-water two-phase flow patterns can be effectively identified; and the multivariate phase space complex network information fusion method based on the four-sector distributed conductance sensor can obtain a good oil content measurement effect.

Description

technical field [0001] The invention relates to a method for fusing phase holdup measurement information of oil-water two-phase flow. In particular, it relates to a method for measuring and verifying the oil-water phase holdup based on the complex network of the multi-phase space for the measurement signal of the horizontal oil-water two-phase flow distributed conductivity sensor. Background technique [0002] Two-phase flow phenomena widely exist in nature and modern industrial production processes, and are closely related to human life and production. Accurate identification of two-phase flow patterns is of great significance for industrial production process optimization and process transformation. Horizontal oil-water two-phase flow widely exists in the process of oil production. Flow structure analysis and parameter measurement are of great significance to improve oil well production characteristics and optimize reservoir management. It is a very challenging subject to...

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Application Information

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IPC IPC(8): G01N27/00
Inventor 高忠科方鹏程金宁德张新旺
Owner TIANJIN UNIV
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