Abstract
Shale gas is mainly stored in the dense shale formation in free and adsorbed states, and the industrial production can not be obtained by traditional development technology. In order to obtain gas production speed and total gas production rate with economic benefits, multiple fracturing in horizontal well is the main measure to exploit shale gas reservoir. For the evaluation of shale gas horizontal well fracturing effect, the static geological model is established and the actual fracturing pressure is fitted by simulation. The fracture morphology is analysed systematicly and the effective stimulated volume is calculated. It shows that the average half length of hydraulic fractures of shale gas horizontal well in Weiyuan area are up to 168.96 meters, with 20.79 meters high. The SRV is 2885×104m3 and EUR is 1.2×108m3. The research shows that the fracturing technology has good effect and can meet the demand of shale gas development in Weiyuan area.
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