US 12,442,266 B2
Convertible slickline stuffing box
Prabhu Jagadesan, Sugar Land, TX (US)
Assigned to Schlumberger Technology Corporation, Sugar Land, TX (US)
Appl. No. 19/104,376
Filed by SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US)
PCT Filed Sep. 26, 2023, PCT No. PCT/US2023/033673
§ 371(c)(1), (2) Date Feb. 18, 2025,
PCT Pub. No. WO2024/072776, PCT Pub. Date Apr. 4, 2024.
Claims priority of provisional application 63/377,867, filed on Sep. 30, 2022.
Prior Publication US 2025/0257627 A1, Aug. 14, 2025
Int. Cl. E21B 33/072 (2006.01); E21B 34/14 (2006.01)
CPC E21B 33/072 (2013.01) [E21B 34/14 (2013.01)] 16 Claims
OG exemplary drawing
 
14. A method, comprising:
removing a first packer bushing from a slickline stuffing box;
removing a first packer element from the slickline stuffing box while the first packer bushing is removed without decoupling a sheave wheel assembly from the slickline stuffing box;
introducing a second packer element into the slickline stuffing box while the first packer bushing is removed and after the first packer element is removed; and
repositioning a valve from a first position within the slickline stuffing box to a second position within the slickline stuffing box, wherein the valve in the first position is below the second packer element in the slickline stuffing box, wherein the valve in the second position is above the second packer element in the slickline stuffing box, and wherein the repositioning comprises:
positioning a second packer bushing in the slickline stuffing box;
positioning the valve within a housing;
positioning a retainer bushing at least partially within the housing, wherein the valve is positioned between the retainer bushing and an inner shoulder of the housing; and
positioning the housing at least partially within the slickline stuffing box, wherein the second packer bushing is positioned within the housing and the second packer element.