Method and apparatus for installing casing using a top drive...

Details Method and apparatus for installing casing using a top drive... Method and apparatus for installing casing using a top drive...

E - Fixed Constructions

21

B

E21B 19/08 (2006.01) E21B 19/16 (2006.01)

Patent

CA 2366204

A method and apparatus for installing casing with a top drive drilling rig. A first step involves securing a first body to a rotating top head of the top drive drilling unit. A second step involves securing a second body to a length of casing. A third step involves detachably coupling the first body and the second body so that the second body rotates with the first body. This method allows for rapid connection to the top head of the top drive. The process can be further accelerated by using several of the second bodies. While one of the second bodies is being used, another can be secured to the next length of casing in readiness for installation.

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