US 12,134,955 B2
Extending the life of downhole rechargeable batteries
Michael Linley Fripp, Singapore (SG); Stephen Michael Greci, Little Elm, TX (US); Steven R. Hernandez, Jr., Houston, TX (US); and Donald G. Kyle, Plano, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Mar. 30, 2023, as Appl. No. 18/193,268.
Prior Publication US 2024/0328285 A1, Oct. 3, 2024
Int. Cl. E21B 41/00 (2006.01); H02J 7/00 (2006.01)
CPC E21B 41/0085 (2013.01) [H02J 7/0047 (2013.01); H02J 7/0063 (2013.01); H02J 7/007182 (2020.01)] 20 Claims
OG exemplary drawing
 
1. A battery device comprising:
a rechargeable battery positionable downhole in a wellbore to power a wellbore tool downhole;
a power source electrically couplable to the rechargeable battery to charge the rechargeable battery to a charged condition; and
a controller communicatively couplable to the power source to prevent the power source from charging the rechargeable battery and to maintain the rechargeable battery in a discharged condition subsequent to completing a wellbore operation, wherein the discharged condition comprises a state-of-charge for the rechargeable battery being between 0% and 40% of a cycle capacity for the rechargeable battery.