复杂山区的静校正方法探讨

A study on the methods of static correction in complicated mountain area

1. 青海石油管理局,敦煌736202;2. 中国地质大学,北京100083;3. 新疆石油管理局,克拉玛依834000

Qinghai Petroleum Administration, Dunhuang 736202

静校正问题是复杂山地地震资料处理的关键。本文针对柴达木盆地复杂山地资料,分析了静校正问题的特征,总结了在复杂山区静校正问题中所采用的几种方法 (包括多域交互迭代静校正方法、广义线性反演法、地表一致性的剩余静校正法、非地表一致性的剩余静校正法)。这些方法都有其适用性和局限性,只有“因地制宜”地采用这些方法,才能见到好的效果。

Static correction is the key to the improvement of seismic data processing in the complicated mountain areas. We analyze the characteristics of static correction on the seismic data in Chaidamu basin and describe several good methods used to cope with static correction of seismic data in complicated surface areas.The methods include static correction by interactive iteration,generalized linear inverse static correction,surface consistent residual static correction and surface nonconsistent residual static correction. For they have their own adaptability and limitation,they can result in good effect only when we use them promptly.