新立地區(qū)黑帝廟油層構(gòu)造特征及儲層預(yù)測研究
[Abstract]:The Xinli area is located on the western margin of the Fuxin uplift belt in the central depression of the southern Songliao Basin. According to the current oil testing data, the main production layers in this area are the Heidimiao oil layer and Fuyang oil layer, this work is mainly aimed at the Heidimiao oil layer (Nen 3, Nen 4 member). The Sanzhao and Changling oil source sag around Xinli area is the main source of oil and gas in Heidimiao oil reservoir, which is rich in oil and gas. The generated oil and gas are migrated along the east-west fault to the destination layer, and are configured with the newly developed paleouplift facies. It is very favorable to the accumulation of oil and gas. This paper mainly includes two parts: structural interpretation and reservoir prediction. In terms of structural interpretation, based on fine well seismic calibration, the reflection form of target layer is defined, and the interpretation of dense well pattern is carried out. In addition, in fault interpretation, the corresponding method of plane and section, the principle of plane guiding section and the spatial structure of fault body interpretation are used to identify fault accurately. Finally, the structural form and fault characteristics of the key reflection horizon are carried out. The effectiveness evaluation of key structural traps is also carried out. In reservoir prediction, according to the reflection characteristics of sandstone in seismic profile, sandstone shows moderate amplitude and low frequency, so amplitude and frequency attributes are better in describing planar sedimentary facies in this area. By comparing prestack and poststack seismic attributes, the development range of channel sand body is predicted effectively. The inversion results are in good agreement with the mud content curves of known wells, so the inversion results can be used to predict the lithology of well free areas in the target interval. Further combined with single sand body carving technology to effectively guide the well location deployment. Through this study, a set of reasonable research route has been formed for the prediction of structural morphology and sand body in Xinli area, and good application effect has been obtained, which is of guiding significance to the exploration of Heidimiao reservoir in this area.
【學(xué)位授予單位】:東北石油大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:P618.13
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