缝洞型油气藏高精度三维地震采集技术
Oil Geophysical Prospecting（2010）
Abstract
塔里木盆地塔北地区广泛发育碳酸盐岩缝洞型油气藏,但由于该区奥陶系碳酸盐岩储层埋藏深,储集空间以裂缝、孔洞和溶洞为主,因此勘探难度大.在该区实施的高精度三维地震勘探中,针对储层特点,通过波动方程正演,进行了以提高信噪比和分辨率为目的的观测系统量化设计;并根据裂缝、溶洞型储层解释需要,采用了较宽方位观测.通过以上技术的应用,取得了良好的勘探效果.
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Key words
carbonate,seismic data acquisition,Fracture-vuggy reservoir,wave-equation forward modeling,quantitative design,wide azimuth observation,high precision 3D seismic exploration
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