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.
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
5.
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
6.
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
7.
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
8.
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
9.
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
10.
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
11.
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
12.
The limestone, sandstone and shale of this area were soft.
这个地区的灰岩、砂岩和页岩都是很柔软的。
13.
CRETACEOUS SANDSTONE BODIES AND SUBTLEHYDROCARBON POOLS IN SONGLIAO BASIN
松辽盆地白垩纪砂岩体与隐蔽油气藏
14.
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
15.
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
16.
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
17.
a soft sandstone used for scrubbing the decks of a ship.
一种软质砂岩，用于洗磨船的甲板。
18.
lithic arkosic wacke
岩屑长石砂岩质杂砂岩