Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...
Patent
1997-06-18
1999-10-19
Neuder, William
Wells
Packers or plugs
Expanded by confined fluid from central chamber, pump or...
166192, E21B 33127
Patent
active
059672293
ABSTRACT:
A device for plugging horizontal or vertical wells in oil or similar drillings includes a fluid-inflatable elastic packing element, which readily expands by the introduction of fluid therein, to fill an interior portion of the well to seal the well.
REFERENCES:
patent: 4962812 (1990-10-01), Berzin
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