Seismic Acquisition on the Buried-Hill Faulted Zone of the Jiyang Sag

The pattern of the subtle traps, in which oil and gas accumulated, in the buried-hill faulted zone in the Jiyang sag is very complicated, and very hard to prospect. The paper analyses the main difficulties in exploring the complicated buried-hill faulted zone of the area from a point of geology.The typical pattern of the buried-hill zone in the Jiyang sag is studied using the forward modeling.Target-orient layout design and full 3-D seismic technology, which are useful for oil and gas exploration on the zone, are put forward. Taking the exploration for oil and gas traps on the zone as an example, certain technologies and the effect of their applications about the design for target acquisition,acquisition on a wide-azimuth, point sources and point receivers are discussed.

基于模型分析的潜山断裂带优化观测系统参数设计方法

以地质模型为基础,针对典型的潜山断裂带模式和主要勘探难点,利用正演模拟技术进行了地震波射线路径、CRP分析以及单炮模拟等研究,找出目标成像区,保证构造关键部位达到足够的覆盖次数,使地震资料准确成像。在室内对地震采集参数论证是否得当、观测系统的综合性能是否科学合理进行了探讨,从而提高了地震勘探解决复杂地质问题的能力。车古201和埕北30潜山的应用实例表明,该方法对今后高精度地震采集参数论证具有指导作用。