US 12,188,331 B1
Selective use downhole magnet for debris collection
Peter Reid Maher, Lafayette, LA (US); and Brittany Morgan Emerson, Carrollton, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Aug. 11, 2023, as Appl. No. 18/232,971.
Int. Cl. E21B 37/00 (2006.01)
CPC E21B 37/00 (2013.01) 20 Claims
OG exemplary drawing
 
12. A method of cleaning debris from a wellbore with a magnetic cleanout tool, comprising:
conveying one or more magnetic cleanout tools from a surface location to a target depth within the wellbore;
rotating an external sleeve from a first position covering one or more rows of magnets to a second position not covering the one or more rows of magnets;
gathering debris with the one or more rows of magnets; and
returning the one or more magnetic cleanout tools with the debris to the surface location.