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Seismic Data Processing and Interpretation on the Loess Plateau, Part 2: Seismic Data Interpretation

鄂尔多斯盆地南部黄土塬区地震资料处理与解释第二部分:地震资料解释(英文)
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摘要 The loess plateau covering the North Shaanxi slope and Tianhuan depression consists of a regional monocline, high in the east and low in the west, with dips of less than 1^0, Structural movement in this region was weak so that faults and local structures were not well developed. As a result, numerous wide and gentle noses and small traps with magnitudes less than 50 m were developed on the large westward-dipping monocline. Reservoirs, including Mesozoic oil reservoirs and Paleozoic gas reservoirs in the Ordos Basin, are dominantly lithologic with a small number of structural reservoirs. Single reservoirs are characterized as thin with large lateral variations, strong anisotropy, low porosity, low permeability, and low richness. A series of approaches for predicting reservoir thickness, physical properties, and hydrocarbon potential of subtle lithologic reservoirs was established based on the interpretation of erosion surfaces. 鄂尔多斯盆地南部的黄土高原,由于长期 风化、侵蚀,形成了树枝状水系与沟、塬、梁、峁、 坡并存的独特黄土地貌。针对这种复杂地表条件长 庆物探已建立了沿沟弯线为主、辅以黄土塬多线和 网状三维的采集方法;确立了高精度静校正、适度 去噪、共反射面元优化及已知井反射系数序列控制 的高保真处理方法、本文着重介绍处理、解释二大 环节的关键方法及应用效果。
出处 《Applied Geophysics》 SCIE CSCD 2005年第4期247-253,共7页 应用地球物理(英文版)
关键词 MODEL erosion surface INTERPRETATION Seisnmic data and reservoir prediction. 地震勘探 黄土高原 数据解释 数据处理 腐蚀地 反演法
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