Method for identifying reservoir fluid properties based on extracted chaotic characteristic parameters
A technology with chaotic characteristics and fluid properties, which is used in surveying, earth-moving drilling and production, wellbore/well components, etc. It can solve the problems of difficult to meet the needs of reservoir fluid classification, cover up reservoir fluid characteristic information, etc., and achieve perfection. Evaluate the interpretation, improve the recognition coincidence rate, and improve the effect of recognition accuracy
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[0012] Specific implementation mode 1. Combination figure 1 In this embodiment, the identification method of reservoir fluid properties based on chaotic characteristic parameters is described. In this embodiment, chaos theory and analysis methods are used to analyze logging data, so as to realize further supplementation to logging interpretation. It is beneficial to excavate the nonlinear characteristics of the reservoir fluid and solve the problems that cannot be solved by the linear method. The specific method is as follows:
[0013] 1. Preprocessing of raw data of reservoirs (oil layer, water layer or dry layer) with different fluid properties: including normalization, denoising, data fitting, etc., to ensure the reliability and accuracy of the original measurement data, and to meet the chaos algorithm requirements; since the collected logging data of each characteristic layer of the reservoir does not meet the requirements of the chaotic algorithm, a large error will be ge...
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