| 1. | When the source locates under the interface , the inversed result is obtained
当声源位于地层界面以下时，正好相反。 |
| 2. | Integrated log response function can be derived from the change rate of logs over boundary
在地层界面处的曲线变化中提取出测井曲线的综合纵向响应函数。 |
| 3. | Characteristics of sedimentary facies and sequence boundary in upper cretaceous qingshankou - yaojia formation of northern songliao basin
姚家组沉积相及层序地层界面特征 |
| 4. | It is verified that this method is effective in dating of stratum and differentiating the boundary between two different layers in the erlian basin , northeast china
在实际应用中，运用古地磁极性变化和古纬度方法对二连盆地某地区地层定年和地层界面进行识别。 |
| 5. | The terrestrial sediments reservoirs are complexity and diversify , they are very important for reservoir evaluation , that districting bed boundary properly and stating the truthful resistivity of reservoir
由于陆相沉积储层的复杂性、多样性，准确划分地层界面，确定储层的真电阻率，对储层的评价是至关重要的。 |
| 6. | When the acoustic impedance contrast between the thin dipping interface and its adjacent formations exits , their interfaces can be observed from the snapshots , but the acoustic field is rather complex
4 、当倾斜薄夹层的声阻抗与其邻层的声阻抗相差较大时，尽管从波场图中可以大致看出两个地层界面的存在，但此时声场分布非常复杂。 |
| 7. | Under the upper pressures belt or minute super pressures of the upper triassic series and jurassic system interface formation , the fluid in the upper triassic series moved along stratum interface , fault and crack network thoroughfare , formed " secondary gas pool " in the jurassic system
上三叠统和侏罗系界面形成的超压带或微超压带，使上三叠统气藏流体在压力差的作用下，沿断层、地层界面和裂缝网络通道运移，在良好的侏罗系圈闭中形成“次生气藏” 。 |
| 8. | The results show that , when the depth of the interface is the same as that of the source , the reflected wave is observed in the waveform apparently , and the location of the interface is also observed in the snapshots . the interface can be identified with these characteristics . but when the depth of the interface is not the same as that of the source , the character of the interface is not obvious in the waveform
数值结果表明： 1 、当水平界面与声源深度不同时，在波形图中可明显地观察到反射波，从波场图上可观察到界面位置，利用这些特性可判别地层界面；但当水平分界面与声源深度相同时，全波列图中地层界面显示特征不明显。 |
| 9. | The characteristic of excitation of the acoustic field is investigated for sources with various frequencies . the effects of an isotropic medium , inclined formation of different azimuth , horizontal or vertical fracture and its width or density on the propagation of the acoustic field are investigated . the fluid in borehole is also investigated
研究了声源在不同频率下的声场激发特性，考察了井外介质为均匀介质、存在不同倾角的地层界面、存在水平和垂直裂缝以及裂缝宽度和密度等对井内外声场传播的影响以及井眼流体对井孔声场的影响。 |
| 10. | When the vertical formation lies outside of the borehole , the effect of the borehole on the acoustic field decreases with the increase of the distance between the formation and the axis of the borehole ; when the source locates on the interface , with the increase of the azimuth of the dipping interface , the transmitted energy of the horizontal component gradually increases , but that of the vertical component decreases
当井外存在径向分层时，随着地层界面远离井轴，对井内声场的影响减小。 2 、当声源位于地层界面以上时，随着地层倾角的增大，水平分量透过地层界面的声能量是逐渐增大的；垂直分量的透射声能量却是减小的。 |
