Backstripping technique is used in the recovery of subsidence history of Wells on the basis of erosion thickness that is calculated by the interval transit-time of mudstone and the sedimentation rate.
本文用泥岩声波时差法和沉积速率法对关键井的地层剥蚀厚度进行了恢复，在此基础之上，用回剥法恢复了关键井的沉降史。
It is theoretically considered that reservoir gas-bearing makes interval transit time porosity and density porosity increase and neutron porosity decrease.
理论上认为，储层含气使声波时差孔隙度和密度孔隙度增大，使中子孔隙度减少。
It shows that density has a better linear relation with different reservoir parameters, but the relation of sonic interval transit time or velocity with reservoir parameters is very complicated.
这说明密度与各储层参数之间具有较好的线性关系，而声波时差或速度与储层参数之间的相互关系要复杂得多。
The key problem of designing the operation schedule for public transit lines is to determining the departing time interval.
编制车辆的运行时刻表的关键问题是确定发车间隔。
Cast slice of the sandstones with higher interval transit time verified that the dissolution intensity of tuff fillings took on trunk.
对声波时差异常带砂岩进行大量的铸体薄片观察，证实了本区砂岩粒间溶蚀孔隙发育，凝灰质填隙物发生了强烈溶蚀。
The generally used sand production predicting indications including interval transit time, permeability, combined modulus and sand producing exponents are analyzed.
得出组合模量和出砂指数实质上是同一参数；
When the gas saturation in formation is high, the characters of low neutron, low density, high interval transit time and high resistance are obvious;
当地层含气饱和度较高时，有低中子、低密度、高时差及高电阻率特征明显；
When the gas saturation in formation is high, the characters of low neutron, low density, high interval transit time and high resistance are obvious;
当地层含气饱和度较高时，有低中子、低密度、高时差及高电阻率特征明显；
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