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- To eliminate their impacts, it is necessary to carry out anti alias trace interpolation, especially for the reflected waves from VSP and cross hole seismic, because they are of steep slope, we use the anti alias trace interpolation in F-K domain. 为了消除其影响 ,需要进行道内插 ,特别是VSP和井间地震反射波具有陡斜率的特点 ,因此 ,道内插去假频显得尤为重要。 我们采用了F -K域抗假频道内插。
- This earthquake measured 7 according to the seismic survey. 经测定,这次地震的烈度为七级。
- Usage: Pastes to the breast cross hole or the pain spot under the touch, one piece on left&right. 用法:贴于乳房十字穴或有触痛部位,左右各一片。
- Firstly, the locations of shot holes have to be chosen properly in the seismic survey area. 首先,在进行地震法测量的地区正确地选定爆破井的位置。
- Velocity is the most important parameter in seismic survey, and VSP is a direct and valid way in acquiring it. 地震波速度是地震勘探中最重要的一个参数,而VSP测量是一种比较直接且行之有效的获取地震波速度的方法。
- In the paper, we have introduced the acquisition and processing method of threecomponent seismic survey. 着重介绍了三分量地震勘探的采集原理和处理方法。
- Main task of threecomponent seismic survey is to test gas distribution in Songliao Baisin, and predict lithologic reservoir. 松辽盆地北部三分量地震勘探的主要任务是检测天然气的分布范围,预测岩性油气藏。
- Seismic surveying is largely concerned with the primary P waves. 地震勘探主要研究一次纵波。
- The results fromcomparison show that these anomalies spread over a DZ nose delineated by seismic survey,which has been confirmed to be a gas-bearing structure by drilling. 对比结果表明:这些异常分布在地震勘探圈定出的DZ鼻状隆起上,后者被钻探结果证实为含天然气的构造,有力地说明放射性方法探测天然气藏的有效性。
- For the complicated surface environment of neritic zone, seismic survey in this area exists its unique problems because of two entirely different operation methods. 摘要滩浅海地区地表条件复杂,陆地和海上施工方法不同,采集的资料存在着较大的差异,影响了最终成果。
- It implies that the reflection seismic survey is a available strategy investigating the structure in the Sulu ultra-high pressure metamorphosed terrace. 它意味着在非沉积层的结晶岩区,反射地震勘测手段是研究地下复杂结构的有效方法。
- The great difficulties in threecomponent seismic survey are depressing random noise in acquisition, removing the artificial vertical faults in shear wave section. 三分量地震勘探的最大难点是采集上压制随机干扰,处理上去除转换波剖面上同相轴的人为的直立错断(由于通常处理软件不佳引起)。
- In carton one aspect of the matter 6 centimeters of place wear two holes (two holes span 10 centimeters of) , take 15 centimeters long elastic to cross hole rearward knot to secure. 在纸盒一端6厘米处穿两个洞(两洞间距10厘米),取15厘米长的橡皮筋穿过洞在背后打结固定。
- Shallow\|layer seismic survey using controlled vibrator is greatly disturbed by environment noise, so high resolution is needed in seismic data pretreatment. 可控震源浅层地震勘探受环境噪声干扰很大,对其接收信号进行预处理时要求分辨率很高。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- Magnetic and gravity surveys were often run as a preliminary to seismic survey in earlier time. 磁力和应力勘探常常作为地震勘探的前奏在早些时候进行。
- Application of PDI Cross Hole Analyzer and Its Technology PDI测桩仪的应用及砼检桩的技术问题
- The cross-well seismic survey has no disturbance from low velocity belt,with high S/N and high sampling rate.A single sandbody,rhythmic layer and interbed can be differentiated with it. 井间地震无低速带干扰,具有高信噪比、高采样率等特点,能够识别单砂体、韵律层和层内夹层,在沉积微相划分、微构造研究、低序级断层识别、储层精细描述等方面具有明显的优势。
- The geometry applied in transitional zone seismic survey includes onshore geometry and offshore geometry. and the complicated transition between the two geometries is also involved. 摘要过渡带地区三维地震资料采集所用的观测系统包括陆上和水上两种,涉及两种观测系统过渡的问题。
- Seismic surveys gave a geologic picture quite different from that indicated by the telluric current. 地震勘探提供的地质图件与大地电流的结果完全不相同。