Compliant cladding seal/hanger

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 43/10 (2006.01) E21B 23/01 (2006.01)

Patent

CA 2625919

An expandable tubular defining an outer wall for connection to a surrounding tubular or wellbore, comprises a plurality of projections on the outer wall defined by free ends that extend from the outer wall in different angular directions. The projections penetrate the inner wall of the surrounding tubular or surface of the wellbore upon expansion of the outer wall, and flex with respect to the outer wall upon expansion thereof.

L'invention porte sur une paire de lunettes correctrices (10) munie de verres protecteurs (11) amovibles recouvrant chacun l'un des verres correcteurs (12) et pouvant se fixer soit devant, soit derrière les verres correcteurs. Les cercles (15) des lunettes où sont fixés les verres correcteurs comportent chacun une bride (16) formée le long de leur bord inférieur, soit devant, soit derrière, et faite d'un matériau élastique (17), où s'engage le bord inférieur du verre protecteur qui est ainsi maintenu contre le verre correcteur.

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