In order To investigate the background value of groundwater in Ji'ning city,choosing 1095 sam-pling points,on the basis of fully using existing monitoring wells,a large number of underground water environmental monitoring well construction tasks have been carried out.The construction exploration and well completion technology of the shallow groundwater monitoring well under the"small diameter explora-tion,hole expansion and well completion"mode have been introduced in detail.The working mode of small path exploration,borehole expansion and well completion"do not require geophysical logging.It can simplify the workflow,improve work efficiency,and reduce engineering costs.However,corresponding measures need to be taken to ensure the verticality of drilling during the exploration stage.Selecting filter materials scientifically can ensure the stable and long-term use of monitoring well functions.Reasonable selection of sealing layer materials can ensure the smooth implementation of construction,achieve the ex-pected sealing effect quickly,and improve the quality of well completion.
关键词
监测井/水文地质勘查/成井工艺/垂直度/济宁市
Key words
Monitoring well/hydrogeological exploration/well completion process/verticality/Ji'ning city
维普
万方数据