发明名称 |
Apparatus for time-averaged or composite sampling of chemicals in ground water |
摘要 |
The ground-water sampler collects a time-averaged or composite sample of the ground water. The sampling system was designed to be self-contained and all sources of power being contained within the well casing. The sampler collects the sample on a sorptive media and the media analyzed by a laboratory. The sampling system prevents the exchange of gases between the ground water and the atmosphere. The exchange is prevented by a well packer which is designed to be placed in well casings of 2 inches or greater. The well packer can be easily and economically placed into the well casing with the use of a packer tool. The sampler is inserted into the well packer and once inserted a one-way check valve opens to the aquifer allowing the water to be sampled. After the sampling episode, the sampler is removed from the well packer and the one-way check valve closes. The media is then analyzed in a laboratory. In the alternative, the sorptive media unit can be replaced with chemical or physical analysis units making possible real-time analysis of the aquifer.
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申请公布号 |
US4717473(A) |
申请公布日期 |
1988.01.05 |
申请号 |
US19870004872 |
申请日期 |
1987.01.20 |
申请人 |
BURGE, SCOTT R.;BURGE, RUSSELL |
发明人 |
BURGE, SCOTT R.;BURGE, RUSSELL |
分类号 |
E21B23/06;E21B33/124;E21B33/127;E21B49/08;(IPC1-7):E21B47/00;B01D17/12 |
主分类号 |
E21B23/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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