1.
Full-mechanized Caving Mining Test under Soft Sand Aquifer
松软砂岩含水层下控水综放开采试验
2.
Predicting Study on Inrush of Sand and Overburden Failure of the Full Mechanized Top-coal Caving under Loosening Sandstone Aquifer in the Tie-bei Coal Mine;
铁北煤矿松软砂岩含水层下综放开采覆岩破坏及溃砂预测研究
3.
Drag bits are used most commonly in soft formations.
在松软岩层中最常用的是钢砂钻头。
4.
RESEARCH ON SAFETY DRILLING PERIOD OF HORIZONTAL WELL IN THE LOOSE SANDSTONE RESERVOIR
疏松砂岩储层水平井安全钻井周期确定研究
5.
Study on Reasonable Width of Coal and Rock Pillar under Thick Aquiferous Loose Bed;
厚含水松散层下煤岩柱合理留设研究
6.
On Water Saturation Model for Complex Sand Reservoir in Nanpu Sag
南堡凹陷复杂砂岩储层含水饱和度模型的研究
7.
water in sand estimator
砂岩内含水量测定仪
8.
Method for simulating formation of water channel in unconsolidated sandstone reservoir during water-flooding
注水开发过程中疏松砂岩储层大孔道形成的模拟方法
9.
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
10.
Study on Failure Mechanism and Support Timing of Soft Rock Roadway with Overlying Aquifer
上覆含水层软岩巷道破坏机制及支护时机研究
11.
Review of research on instability failure mechanism and stability control of tunnel surrounding rock in water-bearing sandy ground
含水砂层隧道围岩失稳破坏机制及控制研究现状综述
12.
Computational Method of Saturation of the Tuffaceous Sandstones Reservoir of Nantun Group in Hailar Basin
海拉尔盆地南屯组凝灰质砂岩储层含水饱和度计算方法
13.
An evenly layered sedimentary rock that can be split into paving stones.
薄砂层岩，板层砂岩一种有整齐分层的能打砸成铺路石的水成岩
14.
Research on Core Drilling in Loose Formation from In-Situ Leaching Sand Uranium Deposit;
地浸砂岩型铀矿松散岩层取心钻进技术研究
15.
Numerical simulation study on the damage rule of overlying strata in mining under water bearing soft strata
含水松散层下煤层开采覆岩破坏规律的数值模拟研究
16.
A shale content definition method for complex sand reservoirs
一种复杂砂岩储层泥质含量评价方法
17.
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
18.
Completion fluid in unconsolidated sandstone heavy oil reservoir based on reservoir protection
基于储层保护的疏松砂岩稠油油藏完井液