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cementing    
相关语句
  固井
    ONCERUNNING OF COMBINATION CASING STRING AND THE CEMENTING TECHNOLOGY
    多级套管柱一次下入及固井止水工艺
短句来源
    The paper summed up main technical experiences during the operation,such as to use large-diameter drilling tool assemblage in pilot hole,drilling pressure control,drilling fluid selection,going down and cementing. Found out problems existing and put forward improving suggestions.
    总结了该孔施工过程中的主要技术经验,如导向孔粗径钻具组合、钻压控制、钻井液使用以及下管和固井等,提出了其中存在的问题以及下一步改进的建议。
短句来源
  固井
    ONCERUNNING OF COMBINATION CASING STRING AND THE CEMENTING TECHNOLOGY
    多级套管柱一次下入及固井止水工艺
短句来源
    The paper summed up main technical experiences during the operation,such as to use large-diameter drilling tool assemblage in pilot hole,drilling pressure control,drilling fluid selection,going down and cementing. Found out problems existing and put forward improving suggestions.
    总结了该孔施工过程中的主要技术经验,如导向孔粗径钻具组合、钻压控制、钻井液使用以及下管和固井等,提出了其中存在的问题以及下一步改进的建议。
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  cementing
In particular, the role of osmosis in well flushing and cementing processes was noted in study by N.
      
The described system not only allows cementing under vacuum, it also permits to optimise drainage during surgery.
      
HPCH is a composite system, which is composed of cementitious and auxiliary cementing materials, composite additives, abrasion resistance component (aggregate) and pigment.
      
The density of material structure, bonding capacity of cementitious material to the abrasion-resisting component and the corrosion resistance are greatly and effectively improved by adding the auxiliary cementing materials and compound additives.
      
Severe leakage is confirmed at the interface between hardened slurries and steel tube during the dynamically curing process, which induces the quick loss of cementing property of slurries.
      
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The plugging technology of forming and cementing deep well is more complex,some questions can occur in construction and use.The deep well casing string structure,strength design,cementing and plugging technology have been improved,after the practice of production,good effects have been achieved.

深水井成井固井止水工艺比较复杂,在施工及以后使用中往往出现各种问题,本文从深井套管柱结构、强度设计、固井工艺、止水工艺等方面进行了改进,经生产实践,取得了良好效果。

Sublevel cementing mining is used in Fujia Mine, Jinn NickelCorporation. Because of water outflowing from sand filling pass, the quality of fillingmaterial can' t be guaranteed, impacted strength of filling body. After water controlling, strength of filling body and filling material quality is improved.

吉林镍业公司富家矿,应用分层胶结充填采矿方法采矿。因充填砂石井出水,不能保证充填料的输送质量,影响了充填体的强度。通过对充填砂石井出水的治理,使充填体强度提高,保证了充填质量。

This paper introduces some research achievements in field of theory and practice of forecasting and preventing of water calamity in recent years,it includes:in-situ measurement results of hydraulic behaviors,the critical distance of outburst of water of tunnel,technology of cementing to tectonic

介绍了近几年来,在矿山地下工程水害预测与防治方面的理论和现场试验多方面的研究成果,包括岩体水力学特性的现场 原位测试结果,巷道临界突水距离的确定和突水预测方法,突水构造的超前注浆加固技术。

 
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