| 摘要 |
This invention relates to wellbore equipment utilized in conjunction with operations performed in subterranean wells and in particular , sand control screen assemblies providing secondary flow capabilities. Once sand control screen assembly includes a base pipe having an exterior surface and defining one or more perforations therein, a screen jacket disposed about the exterior surface of the base pipe and having a primary screen axially adjacent a secondary screen , and at least one relief valve configured to open upon experiencing a predetermined fluid pressure, wherein ,, once opened, the at least one relief valve diverts fluid flow from the primary screen and provides the fluid flow to the secondary screen. |
