Oil production data frequent pattern mining method based on weak wildcard
A frequent pattern and production data technology, applied in data mining, electronic digital data processing, other database retrieval, etc., can solve problems such as inability to predict fluid production, achieve rich meaning, low time complexity, and overcome noise interference Effect
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[0060] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples.
[0061] Because of the nature of oil daily fluid production data, direct predictions of production are unreliable. The present invention intends to change the way of thinking, convert the time-series data of daily fluid production in the oilfield into a coding sequence, and then perform frequent pattern mining to obtain the frequent pattern of the production sequence of the oil well, which is used to describe the fluid production of the oil well.
[0062] Example:
[0063] Step 1: Convert the time series data of oilfield daily fluid production into coded sequences
[0064] The 365-day liquid production of an oil well is converted into a coding sequence by coding. According to the characteristics of the data, it is found that the fluctuation of the produ...
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