Abstract
A pullback device for connection with a rotary drill bit of a horizontal directional drill string. The pullback device includes an anchoring portion and a plurality of arms with ends configured to engage a plurality of corresponding engagement features of the rotary drill bit.
Full Text
What is claimed is:
A pullback device for connection with a rotary drill bit of a horizontal directional drill string. The pullback device includes an anchoring portion and a plurality of arms with ends configured to engage a plurality of corresponding engagement features of the rotary drill bit.
Timeline
Filed
03/13/2026Published
07/16/2026Granted
Not AvailableIPC Codes(5)
E21B 7/04:Directional drilling
E21B 7/20:Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
E21B 10/42:Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits (characterised by wear resisting parts by conduits or nozzles for drilling fluid by detachable parts E21B 10/46, E21B 10/60, E21B 10/62)