Improved oilfield tubular elevator and method for using same

Details Improved oilfield tubular elevator and method for using same Improved oilfield tubular elevator and method for using same

E - Fixed Constructions

21

B

E21B 19/06 (2006.01)

Patent

CA 2353501

A U-shaped elevator (100) having no doors is provided with first and second latching mechanisms (102, 104) which when contacted by the tubular to be entrapped within the elevator (100) move from a closed position to an open position and which then return to a closed position as soon as the tubular is entrapped within the elevator (100). The latching mechanisms (102, 104) have a safety catch (120) which prevents the tubular from being inadvertently removed from the elevator (100). The release of the safety latch mechanism (120) can only be activated by a handle (170) which is manipulated by hand by personnel working on the derrick utilizing the elevator (100).

L'invention concerne un élévateur en forme de U (100) sans portes, comportant un premier et un deuxième mécanisme de loquet (102, 104). Lorsque le tuyau entre en contact avec lesdits mécanismes de loquet pour être pris dans l'élévateur, ceux-ci se déplacent d'une position fermée vers une position ouverte, puis se referment dès que le tuyau est pris dans l'élévateur (100). Les mécanismes de loquet (102, 104) comportent un cliquet de sûreté (120) évitant tout retrait intempestif du tuyau de l'élévateur (100). Le désengagement du mécanisme de loquet de sécurité (120) peut uniquement être actionné par un levier (170) manipulé manuellement par le personnel travaillant sur le derrick utilisant l'élévateur (100).

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