US Patent 11225854 Modular top drive system
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Patent abstract
A modular top drive system for construction of a wellbore includes a motor unit. The motor unit includes: a drive body; a drive motor having a stator connected to the drive body; a trolley for connecting the drive body to a rail of a drilling rig; and a drive ring torsionally connected to a rotor of the drive motor and having a latch profile for selectively connecting one of: a drilling unit, a casing unit, and a cementing unit to the motor unit.
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Patent Inventor Names
Martin Helms0
Martin Liess0
Edits on 23 Mar, 2023
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Patent Jurisdiction
Patent Number
112258540
Date of Patent
January 18, 2022
0Patent Application Number
150065620
Date Filed
January 26, 2016
0Patent Primary Examiner
Edits on 21 Jan, 2022
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US Patent 11225854 Modular top drive system
Infobox
Is a
Patent jurisdiction
Patent number
11225854
Date of patent
January 18, 2022
Patent application number
15006562
Date Filed
January 26, 2016
Patent primary examiner
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