sandstone造句
241. In consideration of the sand-control problems at the mid and late stages of unconsolidated sandstone reservoir production, a new squeeze packing sand control string is developed.
242. Their primary rocks were mainly graywacke, debris sandstone and few feldspar sandstone, ext.
243. The sandstone uranium deposits occur in the coal - bearing leuco- clastic formation, which developed in Neogene basins and unconformably overlays the granitic basement.
244. Besides sandstone formation, carbonate, igneous, igneous clastic, buried - hill metamorphic formations all witness severe damage.
245. The fractal dimensions of sandstone fragment distribution are different under different confining pressures in triaxial tests.
246. Natural sandstone with a diffuse banded structure and black colour.
247. A new sand - consolidating agent with heat resistance was prepared in accordance with sand production in high temperature sandstone reservoir. The optimum formulation was obtained by orthogonal tests.
248. On the base of research on diagenesis of Ordovivian carbonatite and quartzose sandstone in Ordos basin, preliminary Study on inclusions in these rocks have been done.
249. The sandstone-mudstone member of the Tarim Basin is a Lower Carboniferous interbedded sandstone and mudstone, with occasional interbeds of gypsum, conglomerate, and coal.
250. Based on the results of triaxial unloading tests, the stress-strain characteristics and failure characteristics of sandstone have been discussed.
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