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SYSTEMS AND METHODS FOR INSTALLATION, DESIGN AND OPERATION OF GROUNDWATER MONITORING SYSTEMS IN BOREHOLES
SYSTEMS AND METHODS FOR INSTALLATION, DESIGN AND OPERATION OF GROUNDWATER MONITORING SYSTEMS IN BOREHOLES
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机译:钻孔中地下水监测系统的安装,设计和操作的系统和方法
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摘要
Systems and methods for installation and operation of a groundwater monitoring system in a borehole of any angle using a coaxial gas displacement pump with a unique O-ring assembly that serves as a two-position valve for groundwater purging and sampling and also as a housing and sealing mechanism for isolating an optical pressure sensor. The optical sensor measures in-situ hydraulic pressure directly subjacent and adjacent to the surrounding rock fractures and sediment pores without hydraulic interferences from potentiometric equilibration lag time from recovery fluid pressure inside a borehole, in a zone above the optical sensor, or on the inside of a riser pipe that rises to the ground surface.
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