Invention Grant
- Patent Title: Combined multi-coupler
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Application No.: US16540959Application Date: 2019-08-14
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Publication No.: US11078732B2Publication Date: 2021-08-03
- Inventor: Winfried Mollin
- Applicant: Weatherford Technology Holdings, LLC
- Applicant Address: US TX Houston
- Assignee: Weatherford Technology Holdings, LLC
- Current Assignee: Weatherford Technology Holdings, LLC
- Current Assignee Address: US TX Houston
- Agency: Patterson + Sheridan, LLP
- Main IPC: E21B17/02
- IPC: E21B17/02 ; E21B17/046 ; E21B3/02 ; E21B19/16

Abstract:
Embodiments of the present disclosure provide combined multi-coupler assembly for quickly connecting a top drive to a tool. The combined multi-coupler assembly includes a drive stem and a tool dock that may be coupled to each other. When the drive stem and the tool dock are connected, axial loads, torsional loads, and hydraulic, pneumatic, electrical, optical, or other types of communications may be transferred between the drive stem and the tool dock.
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