wells penetrate unconsolidated material and require installation of casing and a well screen to prevent inflow of sediment and possible wellbore collapse. The space around the casing... of the casing. Well screens (filtering devices) are attached to the bottom of the casing, allowing water to move through the well, while keeping out most gravel and sand. The most popular...Alloy Machine Works . Wire-wrapped rod-based well screens Wire-wrapped pipe-based well screens Perforated liners National Groundwater Association The Groundwater Foundation The...

Wire-wrapped rod-based... . Alpha rod-based screen Alpha rod-based screen - Spanish Alpha rod-based screen - Russian The Alpha is our robust, pipeless well screen designed... any other all welded screen design. The Alpha s high collapse and tensile strength coupled with a competitive cost structure make it a superior alternative to slotted casing. It... is versatile and adapts to many types of applications. The Alpha is custom built using different combinations of support rods and V-shaped profile wire to meet specific well conditions...

Alpha rod-based screen . Alpha rod-based screen Alpha rod-based screen - Spanish Alpha rod-based screen - Russian The Alpha is our robust, pipeless well screen designed... other all welded screen design. The Alpha s high collapse and tensile strength coupled with a competitive cost structure make it a superior alternative to slotted casing. It... is versatile and adapts to many types of applications. The Alpha is custom built using different combinations of support rods and V-shaped profile wire to meet specific well conditions...