Well screen assembly with multi-gage wire wrapped layer

Details Well screen assembly with multi-gage wire wrapped layer Well screen assembly with multi-gage wire wrapped layer

E - Fixed Constructions

21

B

E21B 43/08 (2006.01) E21B 43/10 (2006.01)

Patent

CA 2757165

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.

La présente invention concerne une structure de filtre de puits 12 comprenant un tuyau de base élongé 160 et une couche de connexion enroulée 130. La couche de connexion enroulée comprend un câble 135 enroulé autour d'arêtes de support 105. La couche de connexion enroulée comprend une section d'extrémité axiale 305 enroulée à une première jauge et une section intermédiaire 310 enroulée à une seconde jauge plus grande. Une couche de treillis est fournie autour de la couche de connexion enroulée. Une enveloppe extérieure 195 est fournie autour de la couche de treillis, l'enveloppe extérieure étant isolée à la couche de connexion enroulée.

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