Abstract
Block A has poor and thin oil layers, and it is developed with horizontal wells to achieve Higher recovery. The horizonal initial production capacity 3-5 times the surrounding straight well initial production. However. As the development time goes on, some horizontal wells produce more water. This is mainly because of their well types. The horizontal wells have special layers and those layers are produced differently. In order to improve the production of different layers, we can use hydraulic fracturing to improve the production of horizontal wells. This paper uses numerical simulation technology to establish geological model of the block, to optimize the fracturing crack spacing, length, number of bars and other parameters, so we can maximize the effect of measures, while providing guidance for similar oil field level fracturing measures.
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