Wells – With eduction pump or plunger – Having sediment trap or deflector
Patent
1998-09-08
2000-05-09
Bagnell, David
Wells
With eduction pump or plunger
Having sediment trap or deflector
166227, 166311, E21B 3700, E21B 2100
Patent
active
060590300
ABSTRACT:
A sand recovery unit for removing sand and other clogging debris from a producing well formation including a cylinder tube component housing an interior filter located across an intake; a DC motor coupled to a pumping mechanism having an intake covered by the filter and discharge orifices along the side wall of the tube; and a one-way flap valve provided in-line with the interior filter in a manner such that the inline flap valve is positioned on an opposite side of the filtering screen from the pumping mechanism. A coupling is also provided for attachment to a drill string and a chargeable ni-cad battery supply is provided for powering the pumping mechanism.
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Bagnell David
Dougherty Jennifer R.
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