论文部分内容阅读
由于塔里木盆地地表低速层覆盖厚，用常规的地震处理技术难以得到高品质的地震剖面．用以大地介质为粘弹性介质作前提，结合小波分析理论的地震波波动方程聚焦成像技术在塔北某区进行了２Ｄ地震资料的目标处理，得到了一套高分辨率、高信噪比和高保真的地震处理剖面．新剖面的品质较常规处理的剖面有明显改善．根据新剖面的地质解释得到了该区储油层———东河砂岩的分布规律，并据此首次从地震地层学角度提出了该储层的陆相沉积相问题．
Due to the low surface layer velocity in the Tarim Basin, it is difficult to obtain high-quality seismic profiles by conventional seismic processing techniques. Based on the assumption that the earth medium is a viscoelastic medium and the wavelet seismic wave equation focusing imaging technique is used to deal with the 2D seismic data in a certain area of northern Tarim, a set of high resolution and high S / N ratio And high fidelity seismic processing section. The profile of the new profile has a significant improvement over the profile of the conventional profile. According to the geological interpretation of the new profile, the distribution law of Donghe sandstones, the reservoir of this area, is obtained. Based on this, the terrigenous sedimentary facies of the reservoir is proposed for the first time from the perspective of seismic stratigraphy.