Wells – Processes – Producing the well
Patent
1984-12-18
1986-11-25
Novosad, Stephen J.
Wells
Processes
Producing the well
1661051, 166227, 2104163, E21B 4308, B01D 2306, B01D 2900
Patent
active
046243194
ABSTRACT:
A suction control tail for use with the water pump to restrict water velocities in a well hole and thereby prevent the instrusion of sand is provided by a two-layer suction control element, or such an element in combination with a single-layer suction control element. Each of the two elements has a porous, permeable sidewall, is open at the bottom to admit water and any suspended sand particles, and is open at the top to hydraulically couple the element to a pump inlet or to the base of another element. The two-layered element is formed by a relatively rigid PVC tube with a multiplicity of opening therethrough and an outer porous, permeable layer over the openings formed by bonded granular PVC particles, the single layer element is formed by a similar, relatively rigid PVC tube having a multiplicity of uniform openings therethrough of diminishing cross-sectional area so as to control water velocities into the element.
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Kisliuk Bruce M.
Novosad Stephen J.
Van Der Borght Jacques A.
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