E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/14 (2006.01) E21B 17/10 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2515044
An apparatus to protect the mounting area of casing when subsequently attaching a tubular is disclosed. A sleeve (20) that defines a sealed cavity (28) having a loose incompressible material (30) inside covers the mounting location on the casing. The cementing of the casing takes place through the sleeve. After the cementing, the sleeve is drilled out and the incompressible material is removed to the surface with the drill cuttings. A tubular (66) is inserted in the casing and is preferably expanded into sealing contact with the mounting location on the casing. At the end of expansion, the run in shoe (84) on the tubular is retrieved.
L'invention concerne un appareil pour protéger la zone de montage d'un tubage lors de la fixation d'un matériel tubulaire. Une chemise (20) qui définit une cavité étanche (28) contenant une matière incompressible meuble (30) recouvre le point de montage sur le tubage. La cimentation du tubage s'effectue dans la chemise. Après la cimentation, la chemise est percée et la matière incompressible est enlevée de la surface avec les rognures de forage. Un matériel tubulaire (66) est inséré dans le tubage et est de préférence déployé de manière qu'il entre en contact étanche avec le point de montage du tubage. A la fin du déploiement, la glissière (84) descendue se trouvant sur le matériel tubulaire est supprimée.
Adam Mark K.
Carmody Michael A.
Jabs Matthew J.
Payne Harold E.
Baker Hughes Incorporated
Sim & Mcburney
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