浅层低渗透性含水层水平盲井开采技术研究初探  

Research of Horizontal Well Technology Used in Shallow Least Permeable Aquifer Groundwater Extraction

作　　者：叶成明[1] 李小杰[1] 李炳平[1] 郑继天[1] 解伟[1] 

机构地区：[1]中国地质调查局水文地质环境地质调查中心,河北保定071051

出　　处：《探矿工程（岩土钻掘工程）》2009年第S1期193-196,共4页Exploration Engineering:Rock & Soil Drilling and Tunneling

基　　金：国土资源部"十一五"第一批重大科技创新项目(1212010734411)

摘　　要：水平井是开采浅层低渗透性含水层地下水的有效方法。水平井可以双面孔形式成井,也可以盲孔的形式成井(单一掘进工作面成井)。在场地受限或客户有特定要求情况下,水平盲井能够获得比水平双面井更大的优势。从钻孔设计、钻进扩孔、井管铺设、填砾洗井等方面对水平盲井施工工艺进行了探讨。通过研究,研制出了适合水平盲井施工的过滤器,提出了相适应的钻进方法和成井工艺,为进行水平盲井的野外试验奠定基础,为相关研究探索提供参考。Horizontal water well is effective for shallow least permeable aquifer groundwater extraction.There are two kinds of horizontal water well,one is the face-to-face horizontal well,the other is the blind-horizontal well,which has a single outlet.Some times,the blind-horizontal well has greater advantage against the face-to-face horizontal well,for example,dimension of the site is limited.The procedures for the construction include well drilling,bore hole reaming,well forming,gravel packing,and well development.This paper discusses the application of horizontal directional drilling technology used in shallow least permeable aquifer groundwater extraction.A pre-packed well screen is developed and a proper well drilling method is proposed for the construction of blind-horizontal wells.This lays the foundation for the field experiment,and provides a reference for the related research and exploration.

关 键 词：水平井 盲井 地下水 试验 

分 类 号：TU991.12[建筑科学—市政工程]