grainstone meaning in English
粒状灰岩
Examples
- The lacustrine carbonate rocks in the wudaoliang group consist of boundstone ( stromatolite ) , micritic limestone , grainstone and micritic dolostone which were laid down in the shallow - water to bathyal , high - salinity and enclosed to semi - enclosed lake systems
五道梁群湖相碳酸盐岩分为生物粘结灰岩（叠层石） 、泥晶灰岩、颗粒灰岩与泥晶白云岩四大类，反映出沉积环境为一个具有浅水半深水、高盐度、半封闭封闭特点的综合湖泊系统。 - Based on the analysis of sedimentary facies in individual wells and the correlation of three cross sections of sedimentary facies , it is elaborated that sedimentary facies of jianglingjiang formation are vertically and laterally developed within qianwei area . by the method of single - factor analysis , it is pointed out facies distribution of four key formations after thorough study of four geologic factors that could embody sedimentary environment and facies , that is the thickness of formation , grainstone and dolostone , and lithofacies . with the above results , combining with reservoir and structural features , of which the emphasis is the reservoir characteristics of different rock and microfacies types , it is pointed out favorable reservoir zones , by the method of multi - factors superposition
采用单因素分析法，选取并研究地层厚度、颗粒岩厚度、白云岩厚度和区域岩相等四种能反映沉积环境和沉积相的地质因素，指出了四个重点层段的沉积相平面分布特征；根据沉积相的研究成果，结合储层特征和构造发育特征，着重讨论了不同岩石类型和微相类型的储集特征，采用多因素叠合法对犍为地区嘉陵江组有利储集相带进行了预测，指出了有利储集相带的分布。 - The favorable reservoir spaces in the carbonate rock could be divided into five types according to their origin , configuration and size , i . e . , solution fissure , solution hole , cave , erosional fissure and structural fissure , which form five different reservoirs including cave - type reservoir , erosional fracture reservoir , structural fissure reservoir , and solution pore marginal beach grainstone reservoir
而下奥陶统灰岩段储集和生产油气的有效储渗空间按成因、形态及大小可划分为溶蚀孔隙、溶蚀孔洞、大型洞穴、风化裂隙、构造裂隙等5类，构成5种性质有别的储层，即洞穴型储层、风化裂隙型储层、构造裂隙型储层、台缘滩相颗粒灰岩溶蚀孔隙型储层和地表残积物裂隙孔隙（洞）型储层。