Soak Sleeve and Syringe

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Restores safety valve functionality with chemicals

Page last modified
December 17 2024

The Oilenco Soak Sleeve and Syringe is a downhole well intervention system used to restore functionality of safety valves through targeted chemical treatment. The Soak Sleeve is a tubular device deployed on slickline across the affected safety valve, creating a sealed annulus. The Syringe is then filled with a concentrated chemical solution designed to dissolve debris or deposits causing valve dysfunction. The Syringe is lowered into the Soak Sleeve and the chemical solution is discharged into the annulus between the Sleeve and the safety valve. The chemical soaks the valve components to dissolve blockages and restore operability. After soaking for a defined period, the Syringe can be re-run with fresh solution until valve functioning is restored. The Soak Sleeve contains the chemicals in the target zone during treatment. The one-run Subsea Syringe variant allows a single deployment of the charged Syringe, negating the need for multiple runs. The Soak Sleeve and Syringe system enables targeted, non-invasive remediation of safety valves through precision chemical delivery, while avoiding the need for major intervention.

Pros & Limitations
1
Restores functionality of the downhole safety valve
1
Deployed on slickline
1
Field re-dressable
1
Simple installation and operation
Specification
Specification Title Specification Description
Purpose
Downhole safety valve chemical treatment system
Key Features
Restores valve functionality, Deployed on slickline, Field re-dressable, Simple installation
How it Works
Creates sealed annulus and precisely spots chemical solution across safety valve using syringe
Benefits
Significant time and cost savings, Precise chemical application

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Oilenco design, engineer and manufacture specialised well intervention and completion tool solutions for the global oil and gas industry. Founded in 2009, the company has facilities in Westhill, Aberdeen and Stavanger, Norway. Employing some of the best and most creative engineers in the industry, the team can develop a design from concept to completion, reinforced by manufacturing excellence, product inspection, validation testing and full product testing, supported by services including practical training, tool redressing and refurbishment. With an extensive rental fleet, they have a range of products available for immediate turnaround. Oilenco are committed to working closely with clients to develop high-quality solutions that optimise functionality of challenging offshore operations, reducing time and cost of operations, whilst maintaining integrity and safety critical processes.

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