shale

• 12 collecting the drill cuttings at the shale - shaker
  到振动筛处取点钻屑来。
• Analysis of borehole collapse cycling time for shale
  泥页岩井壁坍塌周期分析
• Most of the rock in this mountain is shale
  这座山上大部分的岩石都是页岩。
• And where there is shale there is likely to be oil
  而哪儿有油页岩，哪儿就可能有石油。
• Oil - yielding organic matter is contained in the shales
  在这些页岩里有产油的有机物质。
• Weathering erosion and environmental effects of purple shale
  紫色页岩风化侵蚀与环境效应
• Optimum design parameter of mud liner motion shale shaker
  钻井液直线振动筛参数的优化设计
• Standard specification for sewer and manhole brick made from clay or shale
  污水管和人孔用砖
• In situ deposits are dark shale with horizontal bedding
  原地沉积为水平层理发育的暗色泥板岩。
• The situation of oil shale resources in china
  中国油页岩资源现状