DEVICE FOR MAKING WELLS IN SOIL Russian patent published in 2010 - IPC E21B1/30 E21B1/38 E02F5/16

Abstract RU 2389856 C2

FIELD: construction.

SUBSTANCE: device for making wells in soil includes body, anvil, striker, tail, accessories for air relief in process of direct and reverse travel of pneumatic drill and fixation of hose. Along anvil axis there is a channel arranged, besides the end of anvil near bottomhole is directly plugged, and channel communicates to adjacent layers of soil with the help of one ore several holes in side part of anvil.

EFFECT: increased reliability and efficiency of well production in water-saturated soils.

3 cl, 6 dwg

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RU 2 389 856 C2

Authors

Pinchuk Petr Stepanovich

Kazakov Vjacheslav Platonovich

Stunzha Sergej Erominovich

Dates

2010-05-20—Published

2007-05-31—Filed