【摘要】 华北油田巴音都兰凹陷老资料信噪比和分辨率较低,针对这一问题进行了采集技术和处理技术研究。在 资料采集方面,提出了变线元高覆盖观测系统设计思想和可控震源模拟变频扫描激发方式,得到的记录频率信 息丰富,信噪比较高;在室内处理方面,采用线元均化、变线元叠加和多域噪音衰减等处理技术,得到了品质较高 的多种不同线元不同覆盖次数的地震剖面。更多还原

【Abstract】 Bayindulan sag has rich petroleum resources in Huabei oilfield is in. But it exists low S/N and resolution, vague fault and flute anciently. The paper presents the 2-D survey design of change bin, and shooting mode on analog variable frequency sweep, discussing on the application of bin normalization and stack in different bin. The result showed that seismic section has high quality with different folds and bins. Moreover it provided solid basis for high precision 3-D seismic acquisition.更多还原