A top drive apparatus

Details A top drive apparatus A top drive apparatus

E - Fixed Constructions

21

B

E21B 3/02 (2006.01) E21B 19/16 (2006.01)

Patent

CA 2681535

A method and apparatus for clamping together a rotor of a top drive (TS) and an item threaded thereto to inhibit relative rotation between the two tubulars, the method comprising the steps of clamping the rotor to the item 5 (108) with a clamp (100), the rotor (50) having a projection (122) and the item (90,103,106,110) having a further projection (121) and the clamp (100,101,102) having a receiver (178) to receive the projection (122) and further projection (121) to inhibit rotation bet ween (10) the rotor (50) and the item (90,103,106,110).

L'objet de la présente invention concerne un procédé et un appareil permettant de fixer ensemble le rotor d'un entraînement par le haut (TS) et un objet vissé à celui-ci afin de prévenir la rotation relative entre les deux éléments tubulaires. Le procédé consiste: à fixer le rotor à l'objet 5 (108) au moyen d'un collier de fixation (100), le rotor (50) ayant une projection (122) et l'objet (90,103,106,110) ayant une autre projection (121) tandis que le collier de fixation (100,101,102) dispose d'un récepteur (178) permettant de recevoir la projection (122) et l'autre projection (121) et d'empêcher ainsi la rotation entre (10) le rotor (50) et l'objet (90,103,106,110).

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