Volume fracturing method for deep shale gas prestress intervention
A volume fracturing and prestressing technology, which is applied in the fields of fluid extraction, earthwork drilling, and data processing applications, can solve the problems of simple artificial fractures, difficulty in activating natural fractures, and low complexity of fractures, achieving increased complexity, The effect of increasing productivity and increasing contact area
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[0050]The preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.
[0051]The present invention provides a volume fracturing method for deep shale gas prestress intervention. The method includes the following steps: Step S100, based on the deep shale gas reservoir, establish a three-dimensional geological structure model of the target reservoir, and obtain the three-dimensional Based on the mechanical characteristics of the rock mass structural plane in the geological structure model, the optimized pre-stress intervention construction parameters are determined according to the Morcoulomb shear failure theory.
[0052]Among them, the method for determining the construction parameters of the prestress intervention is as f...
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