CPC E21B 29/10 (2013.01) [E21B 17/1014 (2013.01); E21B 29/002 (2013.01); E21B 31/00 (2013.01); E21B 31/16 (2013.01); E21B 47/09 (2013.01)] | 9 Claims |
1. A method of freeing a stuck pipe in a wellbore, the method comprising:
determining a stuck point along a drillstring comprising the stuck pipe; and
activating a pipe freeing tool coupled to the stuck pipe to apply a force to the stuck pipe, wherein:
the force moves the stuck pipe away from a surface of the wellbore and towards a center of the wellbore; and
the pipe freeing tool comprises a plurality of expandable disc elements, wherein:
each expandable disc element of the plurality of expandable disc elements comprises a seat within an annulus of the respective expandable disc element, and
activating the pipe freeing tool comprises seating a ball within the seat of an expandable disc element of the plurality of disc elements, wherein the ball is sized to correspond to a width of the respective seat.
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