unconsolidated formation

Analysis of working status of pressurization mechanism for coring tool in unconsolidated formation

松软地层取心工具加压机构工作状态分析

And then the problem of seepage stability of Quaternary unconsolidated formation of downstream bank slope of saddle back was appraised.

在此基础上，评价了垭口处下游岸坡第四系松散层的渗透稳定问题。

The particle migration damage is a kind of general and serious damage of unconsolidated producing formation.

微粒运移伤害是疏松产层一种比较普遍又相当严重的地层伤害.

During the thermal recovery by steam injection in unconsolidated sandstone reservoir, water sensitivity is resulted from the reaction of condensate water and formation with high clay content.

疏松砂岩稠油油藏在注蒸汽热采过程中，由于蒸汽冷凝水使粘土矿物含量高的地层发生水敏，从而影响了热采效果。

The paper presents the operational process of systematic coring, and sums up the experience of coring in the unconsolidated formation from analyzing each technical links in the coring.

文中介绍了系统取心的施工过程，通过详细分析取心的各个技术环节，总结出松散地层取心经验。