1.
A Laboratory Study on Influence of Water Quality by Loose Sand Layer and Effective Particle Size during Artifical Recharge
松散砂层及其有效粒径对回灌水水质影响的实验研究
2.
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
3.
The Research of Reasonable Setting up Pillar Coal to Prevent Sand from Collapsing in the Moderate and Thick Unconsolidated Formation;
中厚松散层下防砂（塌）煤柱合理留设研究
4.
Study on Retaining Safety Coal Pillar Against Sand with Fully Mechanized Caving under Thick Alluvium and Thin Bedrock;
厚松散层薄基岩下综放开采留设防砂煤岩柱研究
5.
granular insulation
松散颗粒填充隔热层
6.
Loose level
(企业集团的)松散层
7.
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
8.
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
9.
Drag bits are used most commonly in soft formations.
在松软岩层中最常用的是钢砂钻头。
10.
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
11.
Gravel is an unconsolidated mixture of rock fragments or pebbles.
砂砾是砾石岩石碎片或卵石的松散的混合物。
12.
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
13.
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
14.
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
15.
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
16.
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
17.
The features of mud logging shows for the loose sandstone in shallow-middle zones in Qikou sag
歧口凹陷中浅层疏松砂岩录井显示特征
18.
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