A method for estimating the planar reconstruction area of shale reservoirs after fracturing
A shale reservoir, plane technology, applied in calculation, earthwork drilling, computer-aided design, etc., can solve the problems such as failure of fracturing wells to meet monitoring conditions, failure to evaluate fracturing, and failure to find monitoring wells, etc. Optimized drilling, completion and fracturing design, lower production costs, and lower development costs
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[0025] The technical solution of the present patent will be described in further detail below in conjunction with specific embodiments.
[0026] The fracturing effect is the result of the interaction between hydraulic fractures and natural fractures. The previous stage of hydraulic fracturing will change the surrounding stress field, which will affect the construction of the subsequent fracturing stage and the behavior of natural fractures. It opens in advance, which is the "stress shadow effect". As shown below. This also well explains the microseismic event signal away from the far end of the hydraulic fracture, and the smaller the anisotropy of the reservoir, the smaller the angle between the hydraulic fracture and the natural fracture, and the easier the natural fracture is to be affected by the hydraulic fracture. . Barnett shale has carried out SRV (Reservoir Revised Volume) correlation analysis. The data shows that using high displacement and completing pumping in a ...
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