US 12,312,917 B2
Electric top drive
Hifzi Ardic, Houston, TX (US); Faisal Yousef, Katy, TX (US); Edward Bluestone, Houston, TX (US); James M. Hall, Spring, TX (US); and Ryan Belanger, Spring, TX (US)
Assigned to Nabors Drilling Technologies USA, Inc., Houston, TX (US)
Filed by Nabors Drilling Technologies USA, Inc., Houston, TX (US)
Filed on Jul. 27, 2022, as Appl. No. 17/815,293.
Claims priority of provisional application 63/260,098, filed on Aug. 9, 2021.
Prior Publication US 2023/0040156 A1, Feb. 9, 2023
Int. Cl. E21B 4/04 (2006.01); E21B 19/16 (2006.01)
CPC E21B 4/04 (2013.01) [E21B 19/164 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A top drive comprising:
a main body portion comprising a quill that is rotatable relative to the main body portion;
a rotary portion that rotates relative to the main body portion and relative to the quill, wherein the rotary portion rotates about a center axis of the quill; and
a component coupled to the rotary portion, wherein the component rotates with the rotary portion, wherein the component is electrically actuated, and wherein the rotary portion further comprises a generator that generates electric power from hydraulic fluid flow or from rotation of the quill.