WebOct 1, 2024 · Ng4 sand group of the Guantao Formation is identified as alluvial fan-braided river model; Based on the analysis of the distribution and physical properties of alluvial and fluvial facies sand bodies in the study area, it is considered that the effective reservoir of Ng4 sand group of the Guantao Formation is mainly developed in the nose ... WebMeandering river channel is mainly composed of gravel-bearing sandstone, sandstone, and siltstone, which forms a normal cycle profile with brownish red, grayish green, and light …
A quantitative approach to fluvial facies models: Methods and …
WebAug 3, 2013 · The models presented here relate to: (i) the large-scale architecture of single-thread and braided river systems; (ii) meandering sub-humid perennial systems; (iii) the intermediate-scale and small-scale architecture of dryland, braided ephemeral systems; (iv) the small-scale architecture of sandy meandering systems; and (v) individual … WebAug 3, 2024 · According to the conclusion of stratigraphic classification and sedimentary facies research (Figure 1 (b) ), the Y9 2-1 layer was developed of typical meandering river subfacies deposition, which is the research target layer of this paper. Its sedimentary microfacies are mainly channels, natural levees, floodplains, and abandoned channels [ 39 ]. darius hebrew meaning
1.8: 8. Rivers - Geosciences LibreTexts
WebJun 15, 2024 · The meandering river point bar body is composed of three configuration elements: lateral accretion surface, lateral accretion inter-bed and lateral accretion body (as shown in Fig. 8 ). (1) Lateral accretion surface. Or lateral erosion surface, is a special erosion surface formed by lateral erosion. WebJun 22, 2024 · Spatial patterns consistent with the meandering river model and the delta plain model, which have relatively complex structures, are commonly encountered in oil … WebSep 8, 2024 · Basic steps of meandering river sand body configuration modeling Full size image Figure 3 shows the vertical slices of the 3D reservoir configuration model at different positions (Fig. 3 a, b, c and d represent the top, middle upper, middle lower and bottom of the configuration model respectively). birth through kindergarten degree online