Method, device and medium for dividing fracturing intervals of compact and thick sandstone reservoirs

Abstract

The application discloses a method, device and medium for dividing a fracturing section of a compact and thick sandstone reservoir. According to the scheme disclosed by the application, a three-dimensional geological model and a rock mechanics parameter model of a target block can be established first, then a fracturing model can be established based on the three-dimensional geological model and the rock mechanics parameter model, then a main control factor can be screened out based on the influence of rock mechanics parameters on high extension of a fracturing crack, and the fracturing section can be preliminarily divided based on the main control factor, and the fracturing section can be further finely divided according to a simulation result of the fracturing model based on the preliminarily divided fracturing section, so that the fine and efficient division of the in-layer fracturing section of the marine compact sandstone thick reservoir can be realized, which is beneficial to the full reconstruction of the thick compact sandstone reservoir, can significantly reduce the drilling and fracturing construction cost, and can improve the oil and gas field recovery rate and economic benefits.

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