Neogene gas sandstone reservoirs in Baoshan Basin of Yunnan are characteristic of great various lithologies,high shale content,high porosity,middle-low permeability and electric characters deeply influenced by lithology.
云南保山盆地上第三系为高孔隙度中低渗透率含气砂岩储层特征,其特点是电性特征受岩性影响大和高孔隙度中低渗透率。
A novel method was proposed and studied for the preparation of porous silica with high porosity using base-dissolving technology.
2cm3/g的高孔隙度多孔硅胶,其孔隙度从75%增加到88%。
Using traditional way of powder metallurgy, porous material with high porosity, high penetrability and fine filter precision can be made by mixing additive with powder, then pressing and sintering.
本试验研究是在常规粉末冶金工艺的基础上,通过添加剂的加入,将金属粉末进行成形、烧结,制备出高孔隙度、高过滤精度、渗透性良好的金属粉末烧结多孔材料。