| 摘要 |
<p>A well screen assembly 12 includes an elongate base pipe 160 and a wire wrap layer 130. The wire wrap layer includes a wire 135 wrapped around support ribs 105. The wire wrap layer has an axial end section 305 wrapped at a first gage and an intermediate section 310 wrapped at a second, larger gage. A mesh layer is provided around the wire wrap layer. An outer shroud 195 is provided around the mesh layer, the outer shroud sealed to the wire wrap layer.</p> |
