聚能射孔穿透深度
jet perforator penetration
被砾石与地层砂混合物充填的射孔孔道
gravelsand filled perforation tunnel
成组分布的高密度射孔弹
clustered high-density shaped charges
单孔射孔穿透试验
single-perforation penetration test
多孔射孔穿透特性
multishot perforation penetration performance
干净等径射孔孔眼
clean uniform perforation
高密度射孔
high density pattern perforation