秦润森, 张建民, 王西杰, 张正龙, 陈容涛. 渤中34地区东三段薄层滩坝砂形成主控因素及预测[J]. 海洋地质前沿, 2017, 33(9): 41-46. DOI: 10.16028/j.1009-2722.2017.09006
    引用本文: 秦润森, 张建民, 王西杰, 张正龙, 陈容涛. 渤中34地区东三段薄层滩坝砂形成主控因素及预测[J]. 海洋地质前沿, 2017, 33(9): 41-46. DOI: 10.16028/j.1009-2722.2017.09006
    QIN Ruisen, ZHANG Jianmin, WANG Xijie, ZHANG Zhenglong, CHEN Rongtao. CONTROLLING FACTORS ON DISTRIBUTION PATTERN OF SANDY BARS IN MEMBER D3 OF BZ34 AREA AND THEIR QUANTITATIVE PREDICTION[J]. Marine Geology Frontiers, 2017, 33(9): 41-46. DOI: 10.16028/j.1009-2722.2017.09006
    Citation: QIN Ruisen, ZHANG Jianmin, WANG Xijie, ZHANG Zhenglong, CHEN Rongtao. CONTROLLING FACTORS ON DISTRIBUTION PATTERN OF SANDY BARS IN MEMBER D3 OF BZ34 AREA AND THEIR QUANTITATIVE PREDICTION[J]. Marine Geology Frontiers, 2017, 33(9): 41-46. DOI: 10.16028/j.1009-2722.2017.09006

    渤中34地区东三段薄层滩坝砂形成主控因素及预测

    CONTROLLING FACTORS ON DISTRIBUTION PATTERN OF SANDY BARS IN MEMBER D3 OF BZ34 AREA AND THEIR QUANTITATIVE PREDICTION

    • 摘要: 黄河口凹陷渤中34地区东三段发育滨浅湖砂质滩坝,由于其储层薄、埋藏深,储层精细刻画难度大。以渤中34地区B油田为例,分析得到东三段薄层滩坝砂发育范围受控于古地形及其相关的水动力作用。在古地形的控制之下,不同的水动力背景下滩坝砂的发育可以进一步划分远岸坝、近岸坝、沿岸坝。其中古地形高部位发育宽缓的低洼区,在平均低潮线与高潮线之间,最有利于形成近岸坝是B油田滩坝发育的主要类型。以楔状模型为基础,正演出东三段储层振幅值的大小与砂体厚度存在正相关性,以此可以建立一种半定量计算模型。研究表明,基于滩坝主控因素约束下的地质模式与地震振幅属性共同预测对薄层滩坝砂体开发具有重要的指导意义。

       

      Abstract: Sandy bars are well developed in the near-shore area of the Huanghekou Sag for the Member D3 of BZ34 area. It is hard to get detailed description data of the reservoirs for their thin thickness and large burial depth. Through the study of the B Oilfield of BZ34 area, it is revealed that the development of thin sandy bars mainly depends upon the paleotopographic and paleo-hydrodynamic regimes. The sandy bar can usually be divided into three main types: far shore sandy bar, nearshore sandy bar and alongshore sandy bar, and the Member D3 of BZ34 area is dominated by the nearshore type between the average low tide and high tide lines. Upon the wedge-shape model, a positive linear correlation is found between the seismic wave amplitude value and the thickness of the sand bars. As the result, thickness can be semi-quantitatively predicted. The results from seismic wave amplitude is similar with those from paleotopographic study, and the two approaches could supplement each other in quantitative prediction of thicker sandy bars.

       

    /

    返回文章
    返回