A Method for Realizing Effective Sealing of Hydraulic Fracture Ends
A technology for hydraulic fracture and fracture creation, which is applied in the field of realizing effective plugging of the ends of hydraulic fractures
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[0088] In Well A, the lithology of the target interval is feldspar sandstone, with well-developed natural fractures. The fracturing section of the target layer is 3537.2-4142.0m, the average Young's modulus of the reservoir is 33.4GPa, and the average Poisson's ratio is 0.24; the temperature of the target layer is 132°C. In order to understand the oiliness and productivity of the target layer, and to carry out the next step of exploration and evaluation work in this block, the fracturing scheme design and field pilot test of this well were carried out by referring to the process method proposed in this patent and combining with the actual situation of this well. , the specific implementation method and effect are as follows:
[0089] (1) Evaluation of reservoir parameters: According to seismic, geological, logging and core test data, the lithology of the target interval is feldspar sandstone, with clay mineral content of 12.6-38.7%, with an average of 25.3%; siliceous mineral ...
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