System and method for measuring phase separation holdup of oil-gas-water multiphase fluid in oil production logging
A technology of multiphase fluid and measurement method, which is applied in earthwork drilling, wellbore/well components, buildings, etc., can solve the problems of low measurement efficiency, complex tomographic imaging technology, and large measurement error of acoustic method, and achieve the goal of overcoming Technical defects, overcome the inability to realize oil-water detection, and reduce the effect of measurement error
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[0051] The object of the present invention is to provide a system and method for measuring the phase-separation holdup of oil-gas-water multiphase fluid in petroleum production logging, so as to realize the measurement of the phase-separation holdup of oil-gas-water multiphase fluid downhole in oil wells.
[0052] In order to make the above objects, features and advantages of the present invention more comprehensible, the invention will be further described in 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 metho...
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