Patent ID: 8875784
Filing Date: 2014-11-04
Classification: E21B,Y10T

Abstract:
1. A well screen for use in a subterranean well, the well screen comprising: a generally tubular base pipe including at least one opening through a wall of the base pipe; a drainage layer radially surrounding the base pipe; a perforated shroud radially surrounding the drainage layer and forming an exterior of the well screen; and a loose filter media filling an annular space defined by an outer surface of the drainage layer and an inner surface of the shroud, wherein the drainage layer, shroud, and loose filter media collectively form a screen jacket, wherein the loose filter media is placed in the annular space prior to installation of the screen jacket on the base pipe, wherein the ends of the screen jacket are crimped thereby retaining the loose filter media between the shroud and the drainage layer prior to installation of the screen jacket on the base pipe, and wherein the loose filter media filters fluid which flows through the perforated shroud and the opening.