skeletal sand meaning in Chinese

骨屑砂
骨骼砂

They are skeletal sand bodies in system of delta and places of most reservoir distribution . the diagenetic processes that govern reservoir properties include the extent of compaction , cementation and dissolution of grains . we recognize that at the early diagenesis phase , mechanical and chemical compaction is very strong , which reduced the original porosity
河口砂坝多位于分流河道或次一级分流河道河口部位，向湖盆中心呈放射状分布，因而河口砂坝砂体多构成朵状砂体，覆盖面积大、连片好，砂体厚度大，是本区已知油藏主要分布区。