loose sand

Effect of variation of principal stress orientation during cyclic loading on undrained dynamic behavior of saturated loose sands;

主应力方向循环变化对饱和松砂不排水动力特性的影响

Effect of variation of principal stress orientation on undrained dynamic strength behavior of loose sand;

主应力方向变化对松砂不排水动强度特性的影响

A numerical method for post liquefaction diffusion of liquefied zone in loose sand;

松砂液化后液化区渐进扩散的计算方法初探

Fracturing sand control technology of unconsolidated sandstone reservoir;

疏松砂岩油藏压裂防砂一体化技术

Study of model for elastic wave velocity of unconsolidated sandstone;

疏松砂岩弹性波速模型的研究

Study on the compressibility of unconsolidated sandstone based on acoustic logging data

基于声波测井资料的疏松砂岩可压性研究

Study on drilling fluid technology in unconsolidated sand with high clay content;

高泥质疏松砂岩防塌保护油气层钻井液技术

An attempt to improve the accuracy of well-log oil saturation in unconsolidated sand;

提高疏松砂岩测井含油饱和度精度的探索

A research into drawdown pressure impacts on sand production from unconsolidated sand reservoirs

生产压差对疏松砂岩储层出砂影响规律研究

Analysis on damage and protection to shallow gas-bearing formation of loose sand in Shengli oil field.;

浅析胜利油田疏松砂岩浅气层的伤害与保护

A research on damage mechanisms of loose sand reservoirs during their production

疏松砂岩油田生产过程中储层伤害机理研究

Most reservoirs in NB35-2 oilfield are loose sand, some are sandy shale.

文章介绍了一套适合疏松砂岩地层的取心工具,分析了它的结构和工作原理,并结合在NB35-2-A11井的实际应用情况,对疏松砂岩取心作业中易出现的一些问题进行了探讨,一些经验教训可供类似作业参考。

Ability to supply accessory technology while managing of loose sandstone oil field;

疏松砂岩油田治理中的配套技术

Mechanism and protective measures of sand production in loose sandstone reservoirs-taking Taiping and Shangdian oilfield as examples;

疏松砂岩储层出砂机理和保护措施——以太平油田和尚店油田为例

Ultrasonic test of loose sandstone and the result analysis;

疏松砂岩超声测试及其结果分析

Mechanism Study of Sand Production and Sand Control of Unconsolidated Sandstone Oil Reservoirs in Bamianhe Oilfield;

八面河油田疏松砂岩油藏出砂与防砂机理探讨

The sanding mechanism and sanding critical drawdown calculation in loose sandstone

疏松砂岩出砂机理与出砂临界压差计算方法

Study on Cold Production Mechanisms of Poorly Consolidated Sandstone Heavy Oil Reservoirs;

疏松砂岩稠油油藏出砂冷采机理研究

Research on Sand Control and Increasing Production Technique in the Unconsolidated Sand Reservoirs;

疏松砂岩油藏防砂增产一体化技术研究

Experimental and Numerical Simulation Research of Screen out Fracturing in Unconsolidated Sandstone

疏松砂岩脱砂压裂实验与数值模拟研究

Research and Application of Sand Fallout Technique on the End of Unconsolidated Sand Stone

疏松砂岩端部脱砂压裂技术研究与应用

A research into drawdown pressure impacts on sand production from unconsolidated sand reservoirs

生产压差对疏松砂岩储层出砂影响规律研究

THE CALCULATION METHOD STUDY AND APPLICATION OF THE CRITICAL SAND PRODUCTION PRESSURE DIFFRENCE IN LOOSE SANDSTONE

疏松砂岩临界出砂压差的计算方法研究及应用

Large scale sand production experiments and optimization of sand control for unconsolidated sanstone reservoir

大型疏松砂岩油藏出砂产能模拟试验及防砂方式优选

Well test analysis of unconsolidated sandstone gas reservoir in consideration of stress sensitivity

考虑应力敏感疏松砂岩气藏试井分析

Mechanism and protective measures of sand production in loose sandstone reservoirs-taking Taiping and Shangdian oilfield as examples

疏松砂岩储层出砂机理和保护措施——以太平油田和尚店油田为例

Research and Application of Fiber-complex Fine-silty Sand Control Technique in the Unconsolidated Sand Reservoirs

疏松砂岩油藏纤维复合防细粉砂技术研究与应用

Fluid-solid coupling simulation of deliverability of screen-out fracturing in permeability anisotropy unconsolidated sandstone

渗透率各向异性疏松砂岩脱砂压裂产能流固耦合模拟

EOR Technology Research on Unconsolidated Sand Heavy Oil Reservoir of Yong 8 Block;

永8疏松砂岩稠油油藏提高采收率技术研究

Studies on Shutoff Agent Applied to Loose Gritstone Reservoir with Big Aperture of High Temperature and High Salt;

高温高盐疏松砂岩油藏大孔道堵剂的研究

Identification and Distribution Regularity of Gas Reservoir in Loose Sands of Qinhai Basin;

青海疏松砂岩气层识别与分布规律研究

Research of Sanding Damage. and Promotion of Sand Control Technique. in Loose Reservoir of Jin 45 Region;

锦45块疏松储层出砂损害研究与防砂方法优选

Drag bits are used most commonly in soft formations.

在松软岩层中最常用的是钢砂钻头。