Abstract
The horizontal well with multiple transverse fractures has proven to be an effective way to exploit tight reservoirs economically. Due to the nature of ultralow permeability, it would take a significant long period of time for a well producing in transient flow regimes. Therefore, pressure transient analysis for such a well is important in both evaluation of fracturing treatment by estimating fracture and reservoir parameters and prediction of the long-term production behavior of wells in oil recovery. This paper discusses the analysis of pressure-transient responses of horizontal wells intercepting multiple infinite-conductivity transverse fractures. Then a numerical model is utilized to simulate the whole well flow regimes and pressure transient characteristics of multiple fractured horizontal wells. Accordingly, appropriate analytical pressure-transient models and analysis procedures are provided to determine fracture properties, i.e. average fracture half-length and spacing and estimate the oil in place in the stimulated reservoir volume.
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