Patent ID: 9371720
Filing Date: 2016-06-21
CPC Classification: E21B

Claim Text:
1. An autonomous flow ratio control system for use downhole comprising: a plurality of fluid inlets, each comprising a super hydrophobic surface; a vortex chamber, wherein each fluid inlet is directly connected to the vortex chamber; a first leading passageway fluidly connected to a first fluid inlet and a second fluid inlet, wherein the first fluid inlet is connected to the vortex chamber at a first angle, and wherein the second fluid inlet is connected to the vortex chamber at a second angle; and a second leading passageway fluidly connected to a third fluid inlet and a fourth fluid inlet, wherein the third fluid inlet is connected to the vortex chamber at a third angle, and wherein the fourth fluid inlet is connected to the vortex chamber at a fourth angle; wherein the vortex chamber is disposed between the first and second leading passageways.