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正演模拟技术在渤中21-2构造碳酸盐岩地层岩性尖灭线刻画中的应用研究 被引量:6

Applied research of forward simulation technology in describing Carbonate formation lithology pinchout line of Bozhong 21-2
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摘要 渤中21-2构造区古生界圈闭由断层和碳酸盐岩地层上倾尖灭控制,在描述岩性边界的过程中,尖灭线的解释存在多解性,给解释带来了困难。为了更精细地刻画碳酸盐岩地层的岩性尖灭线,寻找一种更为接近实际的解释方案,落实构造规模及储量规模,针对碳酸盐岩地层地震反射特征及沉积特征,展开了正演模拟研究来指导碳酸盐岩地层岩性尖灭线的解释工作,运用地震属性技术以及正演模拟技术对该层段典型地震剖面进行正演模拟,总结地震反射尖灭点与地质尖灭点之间的关系,以此来刻画岩性边界。 Paleozoic traps of Bozhong 21-2 tectonic zone are controlled by faults and up dip pinchout. In the process of lithology boundary description, pinchout line explanation has multi-solutions and it brings difficulty for explaination. In order to get the pinchout line for more accurately describing carbonate formation, a more actual explaination method should be seeked to confirm structure size and reserve scale. In practical work, by considering carbonate formation seismic reflection characteristics and sedimentary characteristics, forward simulation has been carried out in the area to provide guidance for pinchout line explaination. By using the seismic attribute technology and forward simulation technology, the forward simulation of typical seismic profiles has been modeled, and then seismic reflection pinchout point and geological pinchout point have been summarized so as to describe the lithology boundary.
出处 《石油地质与工程》 CAS 2012年第5期42-44,159,共3页 Petroleum Geology and Engineering
关键词 地震反射尖灭点 地质尖灭点 正演模拟 岩性边界 渤中21-2构造 Seismic reflection pinchout point Geological pinchout point forward simulation lithology boundary
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