Apparatus and methods for tubular makeup interlock

Details Apparatus and methods for tubular makeup interlock Apparatus and methods for tubular makeup interlock

E - Fixed Constructions

21

B

E21B 19/10 (2006.01) E21B 19/06 (2006.01) E21B 19/07 (2006.01)

Patent

CA 2446687

The present invention provides for an apparatus and methods to prevent an operator from inadvertently dropping a string (210) into a wellbore (180) during assembling and disassembling of tubulars. Additionally, the apparatus and methods can be used to for running in casing, running in wellbore components or for a drill string.

La présente invention concerne un appareil et des procédés permettant d'empêcher un opérateur de laisser tomber, par inadvertance, une tige (210) dans un puits (180) pendant l'assemblage et de démontage de tubes. Cet appareil et ces procédés peuvent être utilisés pour la rotation dans un boîtier ou dans des composants de puits ou pour un train de tiges.

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