Pack Screens For Water Management - Brochure

The application for Gravel Pack water well screens is in unconsolidated formation, where conventional gravel pack is economically unviable and normal well development is doubtful.Apollo Pre-pack consists of an inner and outer wire wrap screen packed with smooth accurately sized natural gravel. The pre pack material is installed in the annual space between the inner and outer screen.This design allows closer contact between screen and aquifer improving well development, efficiency and installation time - reducing overall costs.Gravel-Pack screens have relatively high porosity, which combined with their very high permeability minimize pressure drop. To ensure selection of a correctly sized gravel pack requires sieve analysis of a sand sample from the surrounding formation.The installation of the gravel pack between the inner and out screen takes place in the factory, prior to shipping of screens to drill site.