grainstone 中文意思是什麼
grainstone
解釋
粒狀灰巖-
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
五道梁群湖相碳酸鹽巖分為生物粘結灰巖（疊層石） 、泥晶灰巖、顆粒灰巖與泥晶白雲巖四大類，反映出沉積環境為一個具有淺水半深水、高鹽度、半封閉封閉特點的綜合湖泊系統。 -
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
採用單因素分析法，選取並研究地層厚度、顆粒巖厚度、白雲巖厚度和區域巖相等四種能反映沉積環境和沉積相的地質因素，指出了四個重點層段的沉積相平面分佈特徵；根據沉積相的研究成果，結合儲層特徵和構造發育特徵，著重討論了不同巖石類型和微相類型的儲集特徵，採用多因素疊合法對犍為地區嘉陵江組有利儲集相帶進行了預測，指出了有利儲集相帶的分佈。 -
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
而下奧陶統灰巖段儲集和生產油氣的有效儲滲空間按成因、形態及大小可劃分為溶蝕孔隙、溶蝕孔洞、大型洞穴、風化裂隙、構造裂隙等5類，構成5種性質有別的儲層，即洞穴型儲層、風化裂隙型儲層、構造裂隙型儲層、臺緣灘相顆粒灰巖溶蝕孔隙型儲層和地表殘積物裂隙孔隙（洞）型儲層。
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