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U.S. Department of Energy
Office of Scientific and Technical Information

Well point placement and removal apparatus

Patent ·
OSTI ID:5799542
This patent describes a placement and removal apparatus for use in insertion and withdrawal of a well point. It includes a vertical support column, a gripping carriage adapted to move vertically along the support column, and means for moving the carriage vertically along the column, the gripping carriage comprising: a carriage frame; a first upper clamp assembly and a second, vertically spaced apart lower clamp assembly disposed on the carriage frame.
Assignee:
NOV; EDB-92-055240; NOV-91-038065
Patent Number(s):
US 5033554; A
Application Number:
PPN: US 7-563255
OSTI ID:
5799542
Country of Publication:
United States
Language:
English