Developed wellbore transient flow model and friction calculating method for the sand mixed fluids effected by propant.
建立了井筒不稳定流动模型，提出了支撑剂影响下的混砂液摩阻计算方法。
This paper describes a method of simulation of a fractured sand reservoir with black oil model.
本文介绍了用黑油模型研究裂缝型砂岩油藏的方法。
The key of geology method to predict remaining oil is to construct geology model with high accuracy and to have a clear recognition on production degree of oil sand.
地质法预测剩余油的关键是要建立高精度的地质模型及对油砂体动用状况的明确认识。
Based on the conventional triaxial experiments for sand, the elastoplastic constitutive model of sand is built up through the numerical method of modeling the constitutive law for rock and soil.
基于砂土的常规三轴试验，利用岩土本构关系的数值建模方法，建立砂土的弹塑性本构模型。
A new method to determine the size distribution of model sand is proposed based on Sha Yuqing's formula, which could partly avoid the shortcoming of previous methods.
作者主要阐述悬移质模型沙级配的模拟方法，并提出利用沙玉清公式计算、设计模型沙级配的另一种方法，以尽可能严格满足模型相似条件、克服老方法的不足和缺陷。
This paper takes sand-tray model making of land and resources of Liaoning province as an example, and introduces the making method and characteristic of modern sand-tray model in detail.
本文以辽宁省国土资源沙盘模型为例，详细介绍了现代沙盘模型的制作方法及特点。
In this paper, a new ultrasonic method of measuring the amount of sand contained in fluid or in sediment model has been introduced.
本文所提出的超声测沙方法的原理，是根据超声波在含沙水流中传播时在悬沙上产生的反射波的数目来测量含沙量的大小。
In this paper, a new ultrasonic method of measuring the amount of sand contained in fluid or in sediment model has been introduced.
本文所提出的超声测沙方法的原理，是根据超声波在含沙水流中传播时在悬沙上产生的反射波的数目来测量含沙量的大小。
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