Patent ID: 6766856
Filing Date: 2004-07-27
Classification: B01D,E21B,Y10T

Abstract:
A hydraulic choke for a flow stream from a well having large diameter particulate matter of a finite amount, comprising:a. an inlet having a defined inlet flow area; b. a chamber having a defined chamber flow area, in fluid communication with the inlet comprising a chamber wall, a first end, and a second end and wherein the inlet flow area is about &frac13; the size of the chamber flow area; c. a gate disposed in the chamber surrounded by a housing, and a piston for engaging the gate against a seat, and wherein the housing is separated from the chamber wall; d. a studded outlet in communication with the chamber in the same plane as the inlet; e. a studded solids removal outlet in communication with the chamber oriented approximately 90 degrees from the inlet and positioned to permit the large diameter particulate matter to fall from the flow stream; and f. a solids receptacle for collecting the large diameter particulates matter in communication with the studded solids removal outlet.