Invention Grant
- Patent Title: Mast and substructure
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Application No.: US16841082Application Date: 2020-04-06
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Publication No.: US11053745B2Publication Date: 2021-07-06
- Inventor: Padira Reddy , Ashish Gupta , Ryan Hause
- Applicant: Nabors Drilling Technologies USA, Inc.
- Applicant Address: US TX Houston
- Assignee: Nabors Drilling Technologies USA, Inc.
- Current Assignee: Nabors Drilling Technologies USA, Inc.
- Current Assignee Address: US TX Houston
- Agency: Locklar PLLC
- Main IPC: E21B15/00
- IPC: E21B15/00 ; B66F11/04 ; E21B7/02

Abstract:
A drilling rig may include a right substructure, left substructure, and a drill floor. The drill floor may be pivotably coupled to lower boxes of the left and right substructure by struts. The substructures may include hydraulic cylinders positioned to raise the drill floor and a mast coupled to the drill floor into a raised position.
Public/Granted literature
- US20200232284A1 MAST AND SUBSTRUCTURE Public/Granted day:2020-07-23
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