feldspar sandstone 中文意思是什麼
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The feldspar of the reservoir sandstone in the study area consists of a higher percentage of na feldspar that of k. feldspar. the sandstone is composed of certain little rock fragments such as pyrite, mica, siltstone, mudstone, chert, and volcanic fragments
砂巖內長石由鈉長石與鉀長石組成，以鈉長石為主；巖屑由黃鐵礦、雲母、粉砂質、泥質、燧石與火山巖屑構成。 -
This sandstone consists of quartz primarily and feldspar secondly
這種砂巖的成份以石英為主，長石次之。 -
The petrographic and xrd analysis reveals that the reservoir of the upper part of kongdian formation mainly consists of feldspathic and minor amount of lithic sandstone. the feldspar is consisting mainly of na
巖石學與xrd全巖分析表明，孔店組上段砂巖主要為長石砂巖，此外還發育少量巖屑砂巖。 -
According to rock and mineral analysis, the formation consists dominantly of detrital feldspathic fine - sandstone with medium and silt sandstone secondly. lithologically, the content quartz is lower than those of feldspar and detritus, and the cement is dominated by clay, which gives the feature of low compositional maturity and low textural maturity
館上段儲層巖性以巖屑質長石細砂巖為主，其次為中細砂巖和粉砂巖，巖石中石英含量低，而長石、巖屑含量高，膠結物以泥質為主，表現出低成分成熟度和低結構成熟度的特點。 -
Fine - grained feldspar sandstone is the main oil - bearing rock and chlorite is the dominant kind of clay minerals
研究結果表明，長2油藏含油砂巖以細粒長石砂巖為主，粘土礦物中綠泥石含量較高。 -
On the basis of the study of high resolution sequence stratigraphy, this paper discusses the reservoir petrology ' s diagenesis and secondary pore of the chang 4 + 52 ~ chang 62 pay zones in detail by using the methods of analysis of mercury injection, cast section, popular section, scanning electron microscope, x - ray diffraction and etc. the reservoir rock is mainly composed of feldspar fine sandstone, which is characterized by low compositional maturity and relatively high textural mature
本文在高解析度層序地層學研究的基礎上，通過15口井的常規物性、壓汞、鑄體分析、薄片鑒定、掃描電鏡、 x光衍射、陰極發光、粒度分析等多項測試手段，對坪北油田延長組長4 + 52長62儲層巖石學、成巖作用及次生孔隙進行了詳細研究。
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