发明名称 Deep well sample collection apparatus and method
摘要 A deep well system for obtaining artesian samples is set forth. There is a first sample recovery pump which is operated to recover a sample and deliver it to the surface and through a sample flow line. It is surrounded by a packer which is inflated to isolate the region below the sample pump. The sample pump inlet is on the bottom side.
申请公布号 US5934375(A) 申请公布日期 1999.08.10
申请号 US19970910832 申请日期 1997.08.13
申请人 PETERSON, ROGER 发明人 PETERSON, ROGER
分类号 E21B49/08;(IPC1-7):E21B49/08 主分类号 E21B49/08
代理机构 代理人
主权项
地址