Abstract
In order to plan mining areas, design coal mines in Jurassic coal field, Jurassic sandstone water should be controlled. Spatial feature of Jurassic sandstone permeability should be studied. Pumping test data of a coal mine in Ulugkhemsky coal field in Russia were collected to study spatial feature of Jurassic sandstone on Plane characteristics and vertical characteristics. The result indicates that permeability coefficients near the river and alluvium deposit area are higher than that of normal formation area. Sandstone permeability coefficients decrease with distances to the river increase and buried depths increase. Permeability-Buried Depth fitting equation was established to predict Jurassic permeability coefficients of different depth in normal formation area.
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