大口径瓦斯抽排井施工扩孔分级设计优选探讨
投稿时间：2014-04-08  修订日期：2014-08-01  点此下载全文
引用本文：袁志坚,熊亮.大口径瓦斯抽排井施工扩孔分级设计优选探讨[J].钻探工程,2014,41(11):17-19.
YUAN Zhi-jian,XIONG Liang. Discussion on Optimization of Reaming Grading Design of Large Diameter Gas Drainage Well Construction[J]. Drilling Engineering, 2014,41(11):17-19.
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作者单位E-mail
袁志坚* 河南省能源钻井工程技术研究中心 yzj371@163.com 
熊亮 河南省煤田地质局 36.8du@126.com 
中文摘要:受现有钻探设备能力限制，大口径瓦斯抽排井工程通常采用“先导钻进+分级扩孔”施工方法。通过扩孔所需回转扭矩的计算分析，对常用大口径瓦斯抽排井扩孔分级的设计进行了探讨。
中文关键词:大口径瓦斯抽排井  扩孔分级  优选
 
Discussion on Optimization of Reaming Grading Design of Large Diameter Gas Drainage Well Construction
Abstract:Being confined to the capacity of existing drilling equipments, usually “pilot drilling hierarchical reaming” construction method is used for gas drainage well. By the analysis and calculation of the rotary torque required by reaming, the discussion is made on reaming grading design of the common used large diameter gas drainage well.
keywords:large diameter gas drainage well  reaming grading  optimization
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