US 12,454,877 B2
Maintaining a tubing hanger profile
Mustafa Karakaya, Izmir (TR)
Assigned to Saudi Arabian Oil Company, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on Oct. 2, 2023, as Appl. No. 18/479,451.
Prior Publication US 2025/0109654 A1, Apr. 3, 2025
Int. Cl. E21B 37/00 (2006.01); E21B 34/02 (2006.01); E21B 37/06 (2006.01)
CPC E21B 37/00 (2013.01) [E21B 34/02 (2013.01); E21B 37/06 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A back pressure valve (BPV) lubrication tool, comprising:
a valve rod that comprises a hollow tube with a bore that extends there through, the valve rod configured to run into a wellhead uphole of a tubing hanger of the wellhead; and
a valve profile lubricating assembly, comprising:
a jetting nozzle coupled to the hollow tube, the jetting nozzle comprising at least one fluid outlet configured to release a jet of a pressurized fluid that is circulated through the bore of the hollow tube to the jetting nozzle and to the tubing hanger.