Plugging system for boreholes

Details Plugging system for boreholes Plugging system for boreholes

1992-11-25

1995-02-28

Bui, Thuy M.

Wells

Packers or plugs

Expanded by confined fluid from central chamber, pump or...

E21B 3300

Patent

active

053928539

ABSTRACT:
The system prevents water flowing freely up and down an open borehole. A hose of stretch elastic rubber is inserted into the borehole and, once installed, is filled with water from the surface. The hose inflates and expands, plugging the borehole. Used with multi-level sampling apparatus, lengths of the hose plug the borehole between the sampling ports. The lengths of hose are mechanically supported between couplings by means of stiff plastic hose passing inside the hose, between the couplings.

REFERENCES:
patent: 2922478 (1960-01-01), Maly
patent: 3032115 (1962-05-01), Smith
patent: 3289761 (1966-12-01), Smith et al.
patent: 3493045 (1970-02-01), Bassani
patent: 4440226 (1984-04-01), Suman, Jr.

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