- Patent Title: Pipe handling assembly for use in horizontal directional drilling
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Application No.: US17229014Application Date: 2021-04-13
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Publication No.: US11434706B1Publication Date: 2022-09-06
- Inventor: Robbie S. Fontaine , Daniel R. Page , Gustaaf M. Rus
- Applicant: 2233381 Alberta Corp.
- Applicant Address: CA Devon
- Assignee: 2233381 Alberta Corp.
- Current Assignee: 2233381 Alberta Corp.
- Current Assignee Address: CA Devon
- Agency: Bushman Werner, P.C.
- Main IPC: E21B15/04
- IPC: E21B15/04 ; E21B19/086 ; E21B19/16 ; E21B3/02 ; E21B19/15 ; E21B7/04

Abstract:
A system for handling drill pipe on the exit side of the borehole in horizontal directional drilling operations. The system pulls the drill string out of the borehole and uses a top drive and pipe wrench to disconnect the individual segments of drill pipe from the drill string. Pipe gripping arms lift the disconnected drill pipe segment away from the rest of the drill string and release it into a nearby pipe rack. The components of the system are collapsible and can nest in one another during transport.
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