Baker Hughes, a Ge Compnay, LLC

Madhawa Ratnayake

David W Teale

Zhi Yong He

Darrin Lee Willauer

Carlos P Izaguirre

Kun Yuan

In one aspect, an apparatus for use in a wellbore is disclosed, including: an inlet; an outlet; and a variable flow restriction configured to provide a predetermined constant pressure drop between the inlet and the outlet in response to a range of inlet flow rates. In another aspect, a method for providing a fluid flow within a wellbore is disclosed, including: providing the fluid flow to an inlet; restricting the fluid flow to provide a predetermined constant pressure drop between the inlet and an outlet in response to a range of fluid flow rates; and providing the fluid flow to the wellbore from the outlet.

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Houston, TX, United States of America

Madhawa Ratnayake