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Seismic sedimentology of Changling Gas Field, Northeast China

机译:中国东北地震探矿气田的地震沉积学

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Sedimentary facies plane features of Changling No.l gas field is analyzed with multiattribute analysis. In Changling area, the signal to noise ratio of the seismic data is low and the sand body distribution in lateral lithologic reservoir changes fast. In this condition, research of seismic sedimentology is launched. Through the seismic stratigraphic classification, the target stratum, Denglouku group is divided into four sand groups. On the basis of the calibration of synthetic seismograms and interpretation of horizon, accurate corresponding relation between the seismic reflection and geological horizon is established. By means of multiple attribute extraction technology, relatively independent attributes related to oil and gas are selected, and afterwards the analysis of the petrophysical characteristics and the optimization of the seismic attribute are achieved. Finally, through the seismic attributes analysis technology and the horizon slice technology, combined with the result of sedimentary facies analysis, the favorable areas of gas accumulation are predicted.
机译:多特分析分析了长岭No.L气田的沉积相面特征。在高岭地区,地震数据的信噪比低,横向岩性储层中的砂体分布快速变化。在这种情况下,发起了地震沉积物的研究。通过地震地层分类,目标阶层,邓小全群分为四个沙子组。在校准合成地震图和地平线的解释的基础上,建立了地震反射与地质地平之间的准确相应关系。通过多种属性提取技术,选择与油和气体相关的相对独立的属性,之后实现了岩石物理特征的分析,并且实现了地震属性的优化。最后,通过地震属性分析技术和地平线切片技术,结合沉积相分析的结果,预测了气体积累的有利区域。

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