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- The major rock type of the reservoir is grainstone,in which the oolitic spariteand bioclastic limestone are the best reservoir rocks. 該儲層的岩石類型主要為粒屑灰岩,以其中的亮晶鮞粒灰岩和生物清灰岩為最佳儲集岩;
- Permian bioclastic limestone and bioherm are the most favorable reservoirs. 二疊系生屑灰岩和生物礁為最有利的儲層。
- The bioclastic shoal and ooid shoal are common in geological history. 灘一般包容了壩、脊、洲、丘等沉積體。
- The Dawan Formation built up of alternating bioclastic limestone and shale belongs to the inner shelf subfacies. 大灣組的生物碎屑灰岩與頁岩互層屬於內陸棚亞相。
- The data from a grainstone sample. is used to estimate the fractal dimensions of the poresize distribution and pore trace. 由粒狀灰岩樣品數據證明了該岩石的孔隙尺寸分佈是一分形結構,並由此獲得了岩石孔道的分維。
- A fractal capillary model for predicting permeability of a porous medium (eg. grainstone) is presented according to the fractal geometry. 根據分形幾何理論,提出了一個預測孔隙介質滲透率的分形毛管模型。
- The results indicate that the tempestite in the area has lots of rock types including clastic rocks, bioclastic limestones and volcaniclastic rocks. 結果表明,該凹陷風暴沉積岩石類型豐富,包括各類碎屑岩、生物灰岩和火山碎屑岩。
- There are rich bivalve and brachiopodous fossils within the bioclastic limestone and calcareous mudstone in the Buqu Formation in age from Bathonian. 布曲組中的生物碎屑灰岩和鈣質泥岩層中產大量的雙殼類和腕足類化石,時代為中侏羅世巴通期。
- The sedimentary facies of Carboniferous Bioclastic Limestone Member is mainly classified into shore and carbonate platform facies in Tarim basin. 塔里木盆地石炭系生屑灰岩段的主要沉積相類型劃分為濱岸相和碳酸鹽台地相兩大類。
- The middle fan sand in Es3, the bioclastic beach bar at the bottom of Esl, the river sand in Ed formed very best reservoir. 東營組為前扇三角洲亞相過渡到扇三角洲前緣亞相到扇三角洲平原亞相再到辮狀河沉積的遞進模式。
- The shoal (or bank) and shoal facies are important types of carbonate deposits.The bioclastic shoal and ooid shoal are common in geological history. 摘要灘或灘相是碳酸鹽沈積中的重要類型,常見的有生物碎屑灘和鮞粒灘。
- The genesis of mud mound (also called as micrite mound), which is mainly composed of lime mud, only a few bioclast, has still not been resolved. 摘要微晶丘主要由灰泥組成,僅見少量生物碎屑,其成因尚無圓滿解釋。
- So, the bioclastic banks and the biological psammiticpsephitic banks should be important targets for petroleum exploration in this area. 台地邊緣以西為開闊台地和台內窪地沉積。塔中1號坡折帶向東進入斜坡和盆地相區。
- Those of grain banks in shallow lake mainly include ooid limestones with spar or micrite, bioclastic limestones, intraclastic limestones and grain lime-stones. 淺湖顆粒灘有亮晶或泥微晶的鮞粒灰岩、生屑灰岩和內碎屑灰岩,其次為含陸屑顆粒灰岩;
- The reefs, the bioclastic banks and the biological psammitic-psephitic banks that are associated in form of supper and lower backreefs are hard to form favorable reservoir facies. 礁和與之呈伴生的生屑灘、生物砂礫屑灘為本區優質的儲集岩相,而礁后單獨發育的中低能砂屑灘則不易形成優質的儲集層。
- Grainstones are the main part of the section, among which the oolites, intraclast limestones and most bioclast limestones are cemented by sparry calcite. 顆粒灰岩在剖面中占絕大多數,其中,鮞粒灰岩、內碎屑灰岩和多數生物碎屑灰岩均為亮晶方解石膠結。
- Massive bioclastic limestone from the middle of the sequence was believed to be formed under the aerobic conditions, supporting by both ecological and geochemical features. 塊狀灰岩的生物特徵和地球化學特徵均指示常氧沉積環境;
- The dominant lithologies of the middle part are microcrystalline bioclastic limstone intcrbedded with coarse-grained dolomitic and calcareous quartzose sandstone. 以富含腕足化石為特色,還可見珊瑚、 、非 有孔蟲、介形蟲、三葉蟲、苔蘚蟲、腹足類等生物化石。
- Vertically, these dolostones are associated with oil shale, mudstone, bioclastic limestone and volcanic rocks, and interpreted as the secondary replacement products. 且白雲岩在深湖、半深湖、淺湖、灘壩環境均有發育,垂向上與油頁岩、泥岩、生物灰岩及火山岩共生。
- On the basis of a large number of core data and petrophysical information,the interpretation chart for deriving permeability of bioclastic limestone is made. 岩石白雲化中等的地層是尋找有效產層的主要區域。根據大量的岩心分析數據和岩石物理研究資料,建立了生物碎屑灰岩滲透串解釋圖版。