Air tight bailer system

Details Air tight bailer system Air tight bailer system

G - Physics

01

N

G01N 1/12 (2006.01) E21B 27/00 (2006.01)

Patent

CA 2405257

An air-tight bailer is filled completely and closed at its open upper end with a flat cap so that no ambient air is trapped in the bailer. A mounting member to which a rope is secured for lowering and lifting the bailer is recessed with respect to the open upper end of the bailer so that it does not interfere with the cap. A disc-shaped protuberance formed on the bottom of the cap fills the recess. An annular groove around the recess receives the rim of the open upper end to enhance an air-tight seal between the cap and the open upper end. In a first embodiment, the bailer is emptied by piercing a thin membrane formed in the cap with a spout device having a trailing end in fluid communication with a container. A second embodiment eliminates the membrane and the spout device.

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