分层开采是指根据生产井的开采油层情况，通过井下工艺管柱把各个目的层分开，进而实现分层注水，分层采油的目的。
分层开采底板岩体渗透性变化的试验研究_中国矿权网 关键词： 分层开采；底板岩体；渗透性；奥灰承压水[gap=1123]Key words： slicing；floor rocks；permeability；confined water within Ordovician limestone
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In this paper, the Failure of Overlying Rock in Mining Shallow Thick Coal Seam by slicing method is studied in details with four methods as following: field testing, simulating model test, numerical simulation and theoretical analysis.
本文对大柳塔煤矿活鸡兔井1~(-2)煤层分层开采采用现场调研、相似模拟实验、数值模拟和理论分析等方法，重点对浅埋厚煤层分层开采引起的上覆岩层移动、变形及破坏规律进行了研究。
参考来源 - 浅埋厚煤层分层开采覆岩破坏规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
将新下24层与新下25层进行分层开采；
Third, To implement layer mining in Xinxia-24 &25 formation.
本文介绍厚煤层分层开采存在主要问题和解决方法。
This text mainly introduces the main problem existing in the thick coal seam layering mining and the method to solve it.
介绍在分层开采煤层中，在假顶条件下实现锚杆支护。
In slicing seams, bolt supporting was utilized under false roof and obtained good result.
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