公开(公告)号：US11668167B2

公开(公告)日：2023-06-06

申请号：US16582226

申请日：2019-09-25

Applicant: ExxonMobil Technology and Engineering Company

Inventor： Michael C. Romer ,  Rosmer Maria Brito Jurado ,  Tony W. Hord

IPC: E21B43/12 ,  E21B34/08

CPC classification number: E21B43/123 ,  E21B34/08

Abstract: Systems and a method are provided for protecting a gas lift valve (GLV) from erosion. An example system includes a gas lift valve that includes an unloading protection orifice, and wherein the unloading protection orifice unloading protection orifice includes a different open area than a valve seat in the gas lift valve.