Aparelho de controle de fluxo em um poço de produção, poço, e método para estrangulamento do fluxo de um fluido em um poço

摘要

Disclosed herein is a device for controlling flow within, e.g., a production well or an injection well. The device consists of a movable flow passage and a stationary variable choke or valve that is sensitive to flow parameters and automatically adjusts itself to provide a predetermined flow rate through the device.