E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/07 (2006.01) E21B 19/10 (2006.01)
Patent
CA 2564375
An apparatus and method for handling pipe, the apparatus comprising a body (2, 6, 7) having a tapered surface (11, 13, 14) and at least a first slip (15, 17) and a second slip (16, 18) slidable on the tapered surface (11, 13, 14), the apparatus further comprising a slip actuator (40, 41) for setting said at least first slip (15, 17) and said second slip (16, 18) characterised in that said first slip (15, 17) and said second slip (16, 18) have interengaging elements (37a, 38a) therebetween such that upon actuation of said slip actuator (40, 41), said first slip (15, 17) is set and said second slip (16, 18) is set by the interengaging elements (37a, 38a) transferring the setting force from the slip actuator (40, 41) through said first slip (15, 17) to said second slip (16, 18).
L'invention porte sur un appareil et sur un procédé de manutention d'éléments tubulaires. L'appareil comporte: un corps (2,6,7) présentant une surface conique (11,13,14) et au moins un premier coin de retenue (15,17) et un deuxième coin de retenue (16,18) pouvant coulisser le long de la surface conique (11,13,14), un actionneur (40,41) de mise en place des coins de retenue (15,17) et (16,18). Lesdits coins de retenue (15,17) et (16,18) sont reliés par des éléments d'interconnexion (37a,38a) tels que lorsqu'on actionne l'actionneur (40,41), la mise en place du premier coin de retenue (15,17) entraîne celle du deuxième coin de retenue (16,18), puisque les éléments d'interconnexion (37a,38a) transfèrent sur le deuxième coin de retenue (16,18)la force de mise en place exercée par l'actionneur (40,41) sur le premier coin de retenue (15,17).
de Laat Cornelius Wilhelmus Jacobus
de Pont Albert Patrick Jozef Maria
Krijnen Antonius Dimphena Maria
Schats Michael Antoon Herman
Sonneveld Leendert Adriaan Marinus
Mcfadden Fincham
Varco I/p Inc.
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