US 12,480,384 B2
Energy harvesting device for downhole application
Hassan Mansir, Frimley (GB); and Robert Charles De Long, Tulsa, OK (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on May 7, 2024, as Appl. No. 18/657,203.
Prior Publication US 2025/0347198 A1, Nov. 13, 2025
Int. Cl. E21B 41/00 (2006.01)
CPC E21B 41/0085 (2013.01) 19 Claims
OG exemplary drawing
 
1. A system comprising:
a power cable to be positioned downhole in a wellbore formed in a subsurface formation and configured to generate one or more magnetic fields;
a first energy harvesting device configured to partially, but not completely, surround a first conductor of the power cable and configured to harvest a power from a first magnetic field from the first conductor, wherein the power is to be supplied to one or more downhole devices; and
a second energy harvesting device configured to partially, but not completely, surround a second conductor of the power cable and configured to harvest a power from a second magnetic field from the second conductor.