【摘要】 凌云 .激发药量与药型分析 .石油地球物理勘探 ,2 0 0 1,36 (5 ) :5 84～ 5 90　　人工激发地震波场的强弱和激发频率与激发药量、激发药型、激发耦合和激发有效能量下传紧密相关 ,在不少文献和教科书中已讨论过这一问题 ,并得出不少有益的结论 ,如激发频率与激发药量成反比 [1]、与激发破坏半径成反比、与耦合介质的速度成正比 [2 ]等 ,但在实际勘探中如何正确使用这些结论往往十分困难。主要问题是 :1从实际实验炮集数据中难以直接获得较准确的定量实验结论 ;2激发效果受多因素影响 ,难以从实际实验炮集数据得出单一因素的定量分析结论 ;3通常实际实验炮集数据内具有较低的信噪比 ,影响直接获得激发参数变化的差异 ;4由于激发中的偶然因素较多 ,如爆炸不完全、激发耦合变化等都影响定量分析的精度。因此 ,本文的目的是希望提供一种可以较准确地从实际炮集数据中求取激发药量和激发药型实验分析结论的方法 ,从而指导野外地震采集更多还原

【Abstract】 The energy and frequency of seismic wave field produced by artificial shooting obviously have close relations with charge size, charge type, shooting coupling and down spread of effective shooting energy. These questions have been discussed in many literatures and textbooks which reached many useful conclusions, such as inverse ratio of shooting frequency with charge size , inverse ratio of shooting frequency with radius of shooting wreck and direct ratio of shooting frequency with velocity of coupling medium , etc. But how to correctly use these conclusions in practice is often very difficult. The major problems are:①It is difficult to directly come to more accurate and quantitative test conclusions from real test shot gathers; ②The shooting results are results of multi factor influence so that it is hard to reach quantitative analytic conclusion produced by single factor from real test shot gathers;③Poor signal to noise ratio commonly resulted from real test shot gathers has influences on difference directly obtained shooting parameters variance;④ Because of many accidental factors in shooting ( such as incomplete shooting and shooting coupling variance, etc ), it can have impact on precision of quantitative analysis. Therefore, the aim of the paper is to hope provide an analysis method that can more accurately come to the conclusion of charge size and charge type from real shot gathers and can guide seismic field acquisition.更多还原