thin out of coal seam是什么意思

用法例句

The distribution and exploration implications of coal beds of Pinghu Formation,Paleologene in Xihu Sag;

西湖凹陷古近系平湖组煤层分布及油气意义

Possible existence of gas hydrate in coal bed;

煤层存在瓦斯水合物的可能性

Controlling effect of the fold neutral plane on coal bed;

褶皱中和面对煤层的控制性研究

The characters of coal seams of Guanzhai Coal Mine was introduced in the paper.

简述了官寨井田含煤层特征,分析了井田内2号、4号、9号煤层的煤质特征及其变化规律,指出了上述3层煤的主要用途。

There are many coal seams, the wide coalseams distribution area and the better reserving condition in Jixi basin.

鸡西盆地煤层多、煤层气储层分布广,储集条件较好。

3 coal seams, forecasted the distribution of the small-scale structure of the expanding area in No.

煤系中小型地质构造的发育与煤层的厚度以及砂体、泥岩分布特征有密切的关系。

Numeric simulation of azimuth anisotropic characters of elastic wavefield in fractural coal seams;

裂隙煤层弹性波场方位各向异性特征数值模拟研究

Dynamic modelling technology of coal seam and its application;

煤层动态建模技术及应用

Research on fire accident handling for seam with high moisture;

含水量较大煤层火灾事故处理研究

Determination of key parameters in the design of spot place in the middle of single seam mining area;

单一煤层采区中部甩车场设计中一个关键参数的确定

Logging interpretation of coalbed of third member of Shahejie formation in eastern depression of Liaohe basin;

辽河盆地东部凹陷沙三段煤层测井解译

Drilling techniques for coalbed in Yiqikelike area of Tarim Basin;

塔里木盆地依奇克里克区块煤层钻井技术研究

The mineable coalbeds in the entire region were compiled and numbered.

以大量钻孔资料为基础,通过分析研究,对含煤岩系的含煤性作出评价,划分了3大含煤段,利用有效的对比方法和依据,对可采煤层进行全区对比分析,最后对全区煤层进行统一编号,为该区开矿及外围勘探提供宝贵的资料。