Patent ID: 9657554
Date: 2017-05-23
CPC Classifications: E21B

Claim:
1. A downhole filtration tool, comprising: a metallic mandrel juxtaposed between opposing end fittings, said mandrel having a plurality of diametrical perforations and an interior chamber aligned along an axial flow passage through said downhole filtration tool, said end fittings having opposing generally planar axial or open ends axially aligned and coaxially spaced along said flow passage, at least one open weave fiberglass filter element circumferentially surrounding said mandrel, said filter element comprising a plurality of angularly biased passages extending upwardly at an angle and approximately tangentially in relation to said annulus, vortex flow disrupter sections coupled to opposing terminating ends of said filter element, each of said vortex flow disrupter sections constructed of a rigid resin, each of said vortex flow disruptor sections respectively in sealing engagement with a sealing element of said opposing end fittings; and a separating annulus between said filter element and said mandrel, said end fittings closing terminal ends of said annulus.