Water sampling manner and its strainer packer device of the multilayer water-intake formation in the existing well.

摘要

PROBLEM TO BE SOLVED: To provide a water gathering device used for gathering water, in a water gathering method of a multilayer water intake layer in an existing well for evaluating well water quality every secular time if suitable for life, industrial and commercial water.;SOLUTION: This strainer packer device is used for gathering the water of the multilayer water intake layer of the existing well, and is composed of a water gathering pipe incorporated with a submerged pump and arranging a singular stage or a plurality of stages of strainer parts on an inner wall, two seal parts arranged in an upper end part and a lower end part of the water gathering pipe and composed of two flanges sandwiching elastic packing in-between for sealing by internally contacting in the inner diameter direction of a casing pipe of the well, and a supporting and pumping pipe suspended inside the well, penetrating through the flanges of the seat parts on the upper end of the water gathering pipe, welded and joined to the through-hole edge of the flanges and joined by a pipe to a submerged pump outlet end part.;COPYRIGHT: (C)2008,JPO&INPIT