US 12,270,280 B2
Downhole scale removal tool
Haitham Aljuaydi, Al-Kharj (SA); Faisal M. Alissa, Dhahran (SA); Mohammad A. Aleissa, Safwa (SA); and Ali Sadah, Safwa (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Jun. 26, 2023, as Appl. No. 18/341,662.
Prior Publication US 2024/0426193 A1, Dec. 26, 2024
Int. Cl. E21B 37/02 (2006.01); E21B 36/04 (2006.01); E21B 37/06 (2006.01); E21B 47/10 (2012.01)
CPC E21B 37/02 (2013.01) [E21B 36/04 (2013.01); E21B 37/06 (2013.01); E21B 47/10 (2013.01)] 14 Claims
OG exemplary drawing
 
7. A downhole scale removal tool, comprising:
a coupling for coupling the downhole scale removal tool to a downhole conveyance, the coupling defining an internal cavity, a threaded connection on a proximal end thereof, and an aperture on a distal end thereof;
a rotary motor installed within the internal cavity of the coupling;
a shaft of the rotary motor protruding through the aperture of the coupling;
a flange mated to the shaft of the rotary motor and attached to a proximal end of an elongate body;
one or more openings defined on an outer surface of the elongate body, the one or more openings fluidly coupled to a source of cleaning fluid; and
a plurality of solid bristles extending radially from the elongate body and spaced along a length of the elongate body.