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李尊芝, 杨志军, 纪友亮, 李亚辉, 王思文, 康云, 张竹林. 商河油田古近系碎屑岩储层及同沉积断层对其控制作用[J]. 海洋石油, 2010, 30(3): 34-41. DOI: 10.3969/j.issn.1008-2336.2010.03.034
引用本文: 李尊芝, 杨志军, 纪友亮, 李亚辉, 王思文, 康云, 张竹林. 商河油田古近系碎屑岩储层及同沉积断层对其控制作用[J]. 海洋石油, 2010, 30(3): 34-41. DOI: 10.3969/j.issn.1008-2336.2010.03.034
Li Zunzhi, Yang Zhijun, Ji Youliang, Li Yahui, Wang Siwen, Kang Yun, Zhang Zhulin. Paleogene clastic reservoir which mainly controlled by the syndepositional faults in Shanghe Oilfield[J]. Offshore oil, 2010, 30(3): 34-41. DOI: 10.3969/j.issn.1008-2336.2010.03.034
Citation: Li Zunzhi, Yang Zhijun, Ji Youliang, Li Yahui, Wang Siwen, Kang Yun, Zhang Zhulin. Paleogene clastic reservoir which mainly controlled by the syndepositional faults in Shanghe Oilfield[J]. Offshore oil, 2010, 30(3): 34-41. DOI: 10.3969/j.issn.1008-2336.2010.03.034

商河油田古近系碎屑岩储层及同沉积断层对其控制作用

Paleogene clastic reservoir which mainly controlled by the syndepositional faults in Shanghe Oilfield

  • 摘要: 商河地区为自北向南成明显阶梯状分布的多级构造调节带及多级坡折带,受其构造特征影响,储层特征也表现出明显的规律性。通过对商河地区大量储层物性数据的统计,结合镜下薄片观察发现商河油田具有同一层位,自北向南,商一区、商二区、商三区、商四区储层物性依次变差的特点;而对于同一地区,整体上自上向下随深度增加储层物性逐渐变差;同一层位不同沉积微相的储层具有不同的物性特征,三角洲前缘河口坝砂体储层物性最好,水下分支河道较好,而远砂坝、席状砂砂体储层物性相对较差。经综合研究分析认为储层特征主要受沉积相及成岩作用共同影响,储层成岩作用主要受地层埋深的影响,而由于商河地区的分界大断层主要为同沉积断层,地层厚度和沉积相分布主要受同生断层活动的影响,因此构造作用的同沉积断层是商河地区储层物性的主要控制因素。

     

    Abstract: Because Shanghe oilfield is the multistage tectonic belts and the multi-level slope belt, clastic reservoir properties has its regular pattern. By analyzing a large amount of data of reservoir properties, combined with thin-section petrograph, it is considered that the same stratum in the Shanghe oilfield is gradually getting worse and worse which from north to south from Shang 1 area, Shang 2 area, Shang 3 area to Shang 4 area. But in the same area, the reservoir properties are getting worse and worse with increasing burial depth. Reservoir properties of rocks in different sedimentary facies of the same area are different:delta-front subaqueous mouth dam have the most effective reservoir properties, secondly is the delta-front subaqueous distributary channel, the worst is the far-forth dam. It is considered that reservoir character is affected by both sedimentary facies and diagenesis, and diagenesis are affected by the depth. Because boundary faults of the Shanghe oil field are sedimentary faults, the stratum depth and sedimentary facies distribution are controled by the active faults, so the sedimentary faults of the constructure is the the main controlling factor of the Shanghe oilfield.

     

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