Drill pipe breakout device

Details Drill pipe breakout device Drill pipe breakout device

E - Fixed Constructions

21

B

E21B 19/16 (2006.01)

Patent

CA 2156560

A mechanism (10) is disclosed for securing a drill pipe (14) to a saver sub (16) for joint rotation. A slidable collar (24) is provided which has a pair of opposed lugs (28) which slide on opposed flats (18) on the saver sub to insure that the slidable collar rotates with the saver sub at all times. The drill pipe (14) has a pair of opposed flats (30) which are engaged by a portion of the lugs (28) when the slidable collar (24) is moved into the engaged position to insure rotation of the drill pipe with the saver sub.

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