US 12,383,939 B2
Oilfield tubing cleaning
Glenn Baranko, Dickinson, ND (US)
Assigned to Baranko Environmental LLC
Filed by Baranko Environmental LLC, Dickinson, ND (US)
Filed on Feb. 21, 2023, as Appl. No. 18/171,879.
Prior Publication US 2024/0278294 A1, Aug. 22, 2024
Int. Cl. B08B 9/032 (2006.01)
CPC B08B 9/0321 (2013.01) [B08B 2209/027 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method of removing scale deposits from a used oilfield tube having a hollow interior, first and second threaded ends, and a coupling collar having a threaded bore screwed over the first threaded end, the method comprising:
unscrewing the coupling collar one or more rotations from the first threaded end about a longitudinal axis of the oilfield tube without detaching the coupling collar from the first threaded end; and
performing a wet decontamination operation on the threaded bore and the interior of the oilfield tube comprising:
discharging a spray of water through a spray tip of a lance;
feeding the spray tip of the lance along the longitudinal axis from the collar to the second threaded end using a lance feeder during the discharging of the spray of water, wherein the spray tip travels through the bore of the collar and the interior of the oilfield tube; and
removing scale deposits from the bore of the collar and the interior of the oilfield tube using the spray of water during the feeding of the lance.