层速度      interval velocity(403) layer velocity(14) interval velocities(44) layered velocity(0) horizon velocity(12) velocity layer(13) horizon internal velocity(0)   interval velocity     Interval velocity inversion by genetic algorithm     用遗传算法反演层速度 短句来源     Based on this model, the seismic interval velocity was calculated by the Dix formula and the strata pressure was computed by the Fillippone formula for the overpressure data volume.     利用Dix公式计算地震层速度和利用Fillippone公式计算地层压力,得到超压数据体。 短句来源     Calculation and Distribution Characteristics of Seismic Interval Velocity in LH Area     LH地区地震层速度的计算及分布特征 短句来源     THE VERTICAL PREDICTION OF WAVE IMPEDAND OR INTERVAL VELOCITY     波阻抗或层速度纵向预测 短句来源     The trace integral method and the relative interval velocity inversion using Walsh function are theoretically comparied. Model and field seismic data are processed using these two methods.     对地震道积分法和沃尔什（Walsh）函数相对层速度反演法，从方法、处理结果和地震解释等方面进行了比较和分析，并用这两种方法处理了层状模型数据和实际地震资料．结果表明：沃尔什函数相对展速度反演技术和地震道积分技术是两种值得推广的地震资料处理技术； 短句来源 更多          layer velocity     In 3 -D prestack depth migration. iterative modifications of velocity models and depth models arc performed through directional depth migration and 3 - D tomography to set up accurate layer velocity model thus realize accurate imaging.     三维叠前深度偏移技术利用定向深度偏移技术和三维层析成像技术对速度模型、深度模型进行迭代修正，得到较精确的层速度模型、从而实现精确成像。 短句来源     When the offset distance is smaller on the wellhead, the layer velocity obtained with straight line and the refraction line is matched with that of actual formation velocity.     当井口偏移距较小时 ,直线法和折线法求取的层速度和地层真速度吻合 ; 短句来源     When the offset distance is bigger, the layer velocity derived with the straight line is no longer appropriate, but the layer velocity derived with the refraction line is still accurate.     但当偏移距较大时 ,直线法求得的层速度不再适用 ,而折线法求出的层速度仍然比较准确。 短句来源     Aimed at surveying area's practical situation,listed some examples under double layer velocity using general average in time-depth conversion error analysis,and put forward countermeasures to eliminate errors.     针对测区的实际情况,列举了在二层速度情况下用大平均速度作时深转换时误差分析的一些例子,并提出了如何消除误差的对策。 短句来源     For the well to be drilled where only the seismic layer velocity is available, the mapping relation between the seismic layer velocity and the well-log information can be used to reconstruct the virtual well-log a-coustic velocity (AV) .     对只有地震层速度的待钻井,为精确推算各种地质参数,可利用已钻井地震层速度和测井资料的映射关系,重构待钻井虚拟测井声波速度。 短句来源   interval velocities     Ray - Tracking Method of Computing Interval Velocities for VSP     VSP资料求层速度的射线追踪折线法 短句来源     Second, building initial velocity-depth model by coherency inversing interval velocities layer by layer.     2) 用相干反演法逐层求取层速度,建立初始速度-深度模型; 短句来源     This paper presents a modified version of the Frazer's simulated annealing method for calculating interval velocities. The synthetic seismograms are forward calculated using a convolution model, and the error's energy is defined using the L1 norm.     本文改进了Frazer的模拟退火法计算层速度的算法，采用褶积模型计算了正演合成记录，并用L1模定义误差能量。 短句来源     Theoretical modeling and practical seismic processing show that such method is effective and the resultant interval velocities are reliable.     理论模型和实际地震处理表明，本方法是行之有效的，提取的地震层速度是可靠的。 短句来源     It first writes a first-category Fredholm integral equation for the convolution equation, then determines the unknowns - acoustic impedances from the integral cquation using Walsh function and finally transforms the acoustic impedances into a set of relative interval velocities.     把褶积方程改写为第Ⅰ类Fredholm积分方程，利用沃尔什函数来求解积分方程中的未知函数──声阻抗，再将声阻抗转换为相对层速度。 短句来源 更多          horizon velocity     On Predicting SDT of Formation Bellow Borehole Bottom with Seismic Horizon Velocity     用地震层速度预测井底下部地层声波时差 短句来源     Luodai gas field is lithologic gas trap controlled by structure. The reservoir, dominated by sandstones within sand shale interbeds in Penglaizhen Formation of Upper Jurassic, is very thin in thickness and very low in seismic horizon velocity.     洛带气田为构造控制下的岩性气藏 ,储集岩主要为上侏罗统蓬莱镇组砂泥岩互层沉积中的砂岩 ,它具有厚度薄、层速度低的特点。 短句来源     According to the data of seismic horizon velocity of predrilling and log information of top hole,picked up are seismic characteristic parameters that are compressed,then established is the relation model between the horizon velocity and sonic differential time(SDT). We predict the SDT of stratum bellow the bit with the model,and further improve the prediction accuracy of formation porous pressure of the stratum.     利用钻前的地震层速度资料,结合某井上部井段的测井资料提取地震特征参数进行特征压缩,建立起层速度与声波时差之间的关系模型,利用该模型来对钻头下部地层的声波时差进行预测,进一步提高钻头下部地层的地层孔隙压力预测精度。 短句来源     查询“层速度”译词为其他词的双语例句 velocity layer horizon internal velocity   查询“层速度”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   interval velocity The velocity ν [x, zn - zn-1] can be thus treated as interval velocity in Δzn = zn - zn-1 step. 例句来源       Inversion of shear wave interval velocity on prestack converted wave data 例句来源       Increased heat flux and/or sediment interval velocity in this region is likely. 例句来源       Where gas hydrate concentrations are greater in more porous media, a significant amplitude blanking can be achieved with relatively low interval velocity. 例句来源       The hydrate cements the grains of the host sediment, thereby increasing its velocity, whereas the free gas below the base of hydrate stability zone decreases the interval velocity. 例句来源       更多             layer velocity This refinement makes it possible to ensure the smooth matching of the turbulent boundary layer velocity profile with the outer flow and to extend the range of validity of the law to the case of large positive pressure gradients. 例句来源       The new instability arises if the upper layer velocity is sufficiently small. 例句来源       A method for inverting 3-D curved interface and layer velocity by using travel time of reflected waves is studied. 例句来源       Boundary-layer velocity and temperature profiles were determined numerically for various values of the Prandtl number and the magnetic parameter. 例句来源       A transformation relating the similarity solutions of the boundary-layer velocity and temperature profiles associated with different values of the mixed thermal boundary condition parameter was obtained. 例句来源       更多             interval velocities The authors present a method for estimation of interval velocities using the downward continuation of the wavefield to perform layer-stripping migration velocity analysis. 例句来源       This is attributed mainly to the low hydrodynamic energy, in particular weak currents (near-bottom maximum 1- and 8-min-interval velocities were only 26.1 and 14.2?cm s-1, respectively), and limited fine-grained sediment supply by rivers. 例句来源       Reverse time migration of CMP-gathers an effective tool for the determination of interval velocities 例句来源       A continuous reflector (C), possibly of Cretaceous age, is identified between layers having seismic interval velocities of 2.4-2.8 km/s and 3.1-3.4 km/s. 例句来源       Using split-spread profile records, we obtain interface dips and true interval velocities from the OBS data. 例句来源       更多             layered velocity A rapid and accurate two-point ray tracing method in horizontally layered velocity model 例句来源       A rapid and accurate method for two-point ray tracing in horizontally layered velocity model is presented in this paper. 例句来源       Therefore, this method is a good choice for two-point ray tracing problems in horizontally layered velocity model and is efficient enough to be applied to a wide range of seismic problems. 例句来源       Layered Velocity Models of the Western Bohemia Region 例句来源       -A layered velocity is obtained using arrival-time data of P and S waves from local earthquakes for the Central Region of Madagascar. 例句来源       更多             其他 点击这里查询相关文摘     相关查询: 速度层 背景层速度 地层层速度 层速度误差 零速度层 层速度扫描 层速度校正 充填速度层 剩余层速度 层速度解释 速度边界层 横波层速度  对查询结果不满意

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