Device for sealing charges in shot holes and a method for using

Details Device for sealing charges in shot holes and a method for using Device for sealing charges in shot holes and a method for using

1997-11-14

2000-01-04

Schoeppel, Roger

Wells

Processes

Cementing, plugging or consolidating

166287, 166293, E21B 3313

Patent

active

060099461

ABSTRACT:
A device and its method of application is described for inserting into a shot hole which is at least partially filled with a mud suspension, the device being enclosed by a cover soluble in the mud and containing an expandable material capable of expanding upon contact with the mud and forming a plug which is capable of sealing the borehole, to include apparatus allowing the plug container to be retrieved from the borehole.

REFERENCES:
patent: 3918523 (1975-11-01), Stuber
patent: 3946569 (1976-03-01), Stuber
patent: 4267062 (1981-05-01), Byerley
patent: 4278025 (1981-07-01), McReynolds
patent: 4936386 (1990-06-01), Colangelo
patent: 5041330 (1991-08-01), Heerten et al.
patent: 5476142 (1995-12-01), Kajita
patent: 5611400 (1997-03-01), James et al.
patent: 5657822 (1997-08-01), James et al.

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