SHROUD FOR A WELL SCREEN

摘要

A shroud for covering a well screen comprising a tubular member having circular holes in its wall through which well fluid can flow into the annulus between the shroud and the screen, a plurality of arcuate straps located in the annulus with each strap having a width less than the diameter of the holes with the ends of each strap attached to the shroud on opposite sides of a hole in the shround and extending into the annulus between the shroud and the screen to cause the well fluid flowing through the holes to swivel as it passes through the holes and flows laterally from each side of the straps into the annulus between the shroud and the screen.