System and method for measuring split-phase volume fraction of oil-gas-water multi-phase fluid in oil production well logging
A multi-phase fluid and measurement system technology, which is applied in the field of oil-gas-water multi-phase fluid separation phase holdup measurement system, can solve the problems of low measurement efficiency, large measurement error of acoustic method, complex tomography technology, etc. defects, reduce measurement errors, and overcome the inability to achieve oil-water detection
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[0051]The object of the present invention is to provide a kind of oil-gas-water multiphase fluid phase-separation holdup measurement system and method in petroleum production logging, to realize the measurement of oil-gas-water multiphase fluid phase-separation holdup downhole.
[0052] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0053] Soft-sensing technology is of great significance in the measurement of phase separation and holdup of oil-gas-water multiphase fluids. Among them, the soft-sensing technology that takes the internal relationship and mutual influence between variables into account in multivariate statistical analysis technology is widely used in multiphase flow detection. .
[0054] Optical fiber probe measurement belongs to the contact probe method, which can b...
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