dissolution porosity 中文意思是什麼
dissolution porosity
解釋
溶蝕孔隙度- dissolution : n 1 分解，分離。2 溶解（作用），融化，液化。3 （婚約等的）取消，（職務等的）解除，（法律等的）廢...
- porosity : n. 1. 多孔性。2. 【物理學】孔積率；孔度，隙度。3. 多孔部分；多孔結構；多孔的東西。
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At the late diagenesis phase, the dissolution of frame grains, especially the dissolution of felspar and laumontite, is the key to form secondary porosity
朵狀砂體的大小直接控制油藏的范圍及規模，靖安地區的主要油藏多沿不同的朵狀體成排分佈。 -
The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage
系統的儲層特徵研究表明，該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細粒長石砂巖、粉砂巖；儲層巖石經歷了壓實，膠結，溶蝕等成巖作用，歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期（ b亞期）膠結充填孔隙縮小期三個成巖-孔隙演化階段；儲層物性總體上具有較低孔滲、低孔滲的特點，孔隙類型主要為粒間溶孔、殘余粒間孔隙、粒內溶孔、晶間孔及晶間溶孔，裂縫不發育，儲集巖排驅壓力和中值壓力較高，孔隙結構類型以細小孔-微孔隙，微細喉-微喉型為主。 -
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
河口砂壩多位於分流河道或次一級分流河道河口部位，向湖盆中心呈放射狀分佈，因而河口砂壩砂體多構成朵狀砂體，覆蓋面積大、連片好，砂體厚度大，是本區已知油藏主要分佈區。 -
Main content in simulation is the spatio - temporal evolution of the set of descriptive variables characterizing tectonic mineralization state under coupling of various processes as following : ( 1 ) variables related to forming and property of ore - forming fluid, such as dissolution rate of minerals ( include metal minerals ) in rock, concentration and saturation of aqueous species in fluid, temperature, pressure, and ionic strength etc. ; ( 2 ) variables related to structural deformation and fluid flow, such as stress, deformation rate, fracture network, porosity, fracture permeability ; ( 3 ) variables related to precipitation and mineralization, such as nucleation rate of gangue and metal minerals, accumulation precipitation of various minerals, etc. ; ( 4 ) spatio - temporal coupling relation of various variables above, such as the coupling relationship between spatio - temporal evolution of fracture permeability and flow and focus of fluid and ore - forming
模擬的主要內容是在各種過程耦合作用下，以下描述構造成礦體系的主要變量的時空演化：與成礦流體的形成和性質有關的變量，如地層中礦物（包括成礦物質）的溶解速率、流體中各組分的濃度與飽和度、流體溫度、壓力、離子強度等；與構造變形和流體運移有關的各變量，如應力與變形速率、巖石孔隙度、構造（斷裂）滲透率等；與沉澱成礦有關的變量，如礦物（金屬礦物和脈石礦物）的成核速率、各礦物的沉澱量等；上述各有關變量間的時空耦合關系，如斷裂滲透率時空演化與流體流動、匯聚和成礦的耦合關系等。 -
The pattern of diagenetic and porosity evolution are established. the primary porosity of the reservoir rocks was 35 %, which was reduced by 21. 7 % by compaction and pressure solution and 8. 2 % by cementation. the secondary pores were produced by organic acids " dissolution during organic matter maturing stage, resulting an increase of porosity by 5 %
預測本區砂巖原始孔隙度為35 ，經機械壓實和化學壓溶作用孔隙度損失了21 . 7 ，后經自生礦物的膠結作用，孔隙度損失了8 . 2 ，當進入有機質成熟階段，有機酸的溶解作用產生次生孔隙，使孔隙度增加5 ，現今保存的平均孔隙度為10 . 1 。 -
The dolostones have experienced several types of post - depositional diagenetic modifications, of which dolomitization, dissolution, recrystallization and tectonic stress processes have exerted an important effect on porosity and permeability
認為該白雲巖在沉積期后變化中經歷了多種成巖作用改造，其中影響白雲巖儲集性的作用主要有白雲石化作用、溶蝕作用、重結晶作用和構造應力作用，對白雲巖孔滲改善起了積極作用。
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