US 12,421,815 B2
Wellbore tractor including a tractor power receive module
Michael Linley Fripp, Singapore (SG); Wei Zhang, Houston, TX (US); and Aswin Balasubramanian, Spring, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Feb. 20, 2024, as Appl. No. 18/581,978.
Claims priority of provisional application 63/447,556, filed on Feb. 22, 2023.
Prior Publication US 2024/0279992 A1, Aug. 22, 2024
Int. Cl. E21B 23/00 (2006.01); B60L 53/12 (2019.01); B60L 53/30 (2019.01); B60L 53/50 (2019.01); E21B 41/00 (2006.01); E21B 43/12 (2006.01); H02J 50/05 (2016.01); H02J 50/10 (2016.01)
CPC E21B 23/001 (2020.05) [B60L 53/50 (2019.02); E21B 41/0085 (2013.01); E21B 43/12 (2013.01); B60L 53/12 (2019.02); B60L 53/30 (2019.02); B60L 2200/40 (2013.01); B60L 2210/30 (2013.01); B60L 2210/40 (2013.01); E21B 2200/20 (2020.05); H02J 50/05 (2016.02); H02J 50/10 (2016.02)] 35 Claims
OG exemplary drawing
 
1. A wellbore tractor, comprising:
a tractor drive module, the tractor drive module configured to propel the wellbore tractor within a wellbore extending through one or more subterranean formations;
a tractor electronics module coupled to the tractor drive module, the tractor electronics module including one or more batteries; and
a tractor power transfer module coupled to the tractor electronics module, the tractor power transfer module configured to receive power from a wellbore tractor charging station located within the wellbore and transfer it to the one or more batteries, the tractor electronics module including an alternating current (AC) to direct current (DC) converter coupled between the tractor power transfer module and the one or more batteries, the alternating current (AC) to direct current (DC) converter configured to convert alternating current (AC) generated by a downhole power generation source to direct current (DC) for use in the one or more batteries.