US 12,170,444 B2
Grid power for hydrocarbon service applications
Glenn Howard Weightman, Duncan, OK (US); Carlos Alfredo Vallejo, Houston, TX (US); David Norman Todd, Houston, TX (US); Mohamad Alshutlawy, Houston, TX (US); and John Harold Fischer, Hempstead, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Jun. 13, 2023, as Appl. No. 18/209,319.
Application 18/209,319 is a continuation of application No. 17/393,174, filed on Aug. 3, 2021, granted, now 11,715,951.
Application 17/393,174 is a continuation of application No. 16/553,006, filed on Aug. 27, 2019, granted, now 11,108,234, issued on Aug. 31, 2021.
Prior Publication US 2023/0327441 A1, Oct. 12, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H02J 3/00 (2006.01); H02J 3/02 (2006.01)
CPC H02J 3/0075 (2020.01) [H02J 3/0073 (2020.01); H02J 3/02 (2013.01); H02J 3/003 (2020.01)] 21 Claims
OG exemplary drawing
 
14. A method of distributing electrical power for a well service operation at a well site, comprising:
providing electrical power from at least two different electrical power sources to a main breaker, wherein the main breaker is a mobile unit mounted on a trailer or skid, wherein the main breaker includes a current monitoring system which monitors current at one or more output lines of the main breaker, wherein the main breaker is opened when the current at the one or more output lines equals or exceeds a preset current threshold;
providing electrical power by the main breaker to a transformer coupled to one of the one or more of the output lines of the main breaker; and
providing electrical power by a secondary output of the transformer to a load.