理论分析和实际经验表明,影响层速度反演正确与否和精度的主要因素有两个:一是用于反演的反射系数序列的精度;
There are two major factors that influence the correction and accuracy of interval velocity. One is the accuracy of reflection coefficient sequence used in interval velocity conversion;
偏移的目的是要反演波动方程系数的奇性(层速度的间断面)。
The purpose of migration is to inversely solve for the singularity (interrupted surface of interval velocity) of wave equation coefficient.
岩石孔隙度和地震波速度之间存在着内在联系,利用地震和测井数据反演井间孔隙度值是储层预测的主要内容之一。
Interal relationship exists between porosity and seismic-wave velocity, and inter-well porosity inversion with seismic and logging data is one of the key elements of reservoir prediction.
速度反演是储层预测的核心技术。
Velocity inversion is a key technique of reservoir prediction.
该软件采用层速度相干反演与层析成像技术相结合,并进行多次迭代来获取最佳速度模型。
The software USES interval velocity coherency inversion and tomography technique as well as iteration to set the best velocity model.
本文提出一种用于层状介质中重力、地震资料联合反演层速度、层密度及弯曲界面深度的迭代算法。
We present an iterative algorithm for inversely deriving the interval velocity, interval density and curved interface depth from gravimetric and seismic data in lay ered medium.
以往川东地区飞仙关组鲕滩储层预测,主要采用常规剖面寻找“亮点”反射,或作速度反演寻找低速异常体,取得了一定的效果。
The prediction for oolitic reservoirs of Feixianguan Formation was used to looking for bright spots on conventional sections or for low velocity anomalies on velocity data set in east Sichuan.
对于层状介质,用折射波可反演出层速度、曲界面的形状和深度,实现二维层速度成像。
Interval velocity as well as shape and depth of a curved interface in layered medium can be inversely derived lay using re - fraction waves to achieve tomography of two dimensional interval velocity.
研究中还把重力正演计算的单元体改为垂直侧边梯形单元,并合并同一层位的垂直侧边梯形单元成为一大单元再作计算,加快了正反演计算速度并提高了正反演精度。
The echelon unit with two vertical sides is given and the units in same layer are combined to a big unit in gravity forward calculation, so the precision and velocity for forward calculation are imp…
研究中还把重力正演计算的单元体改为垂直侧边梯形单元,并合并同一层位的垂直侧边梯形单元成为一大单元再作计算,加快了正反演计算速度并提高了正反演精度。
The echelon unit with two vertical sides is given and the units in same layer are combined to a big unit in gravity forward calculation, so the precision and velocity for forward calculation are imp…
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