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Drop-In Retrievable Check Valve
Drop-In Retrievable Check Valve is designed for well control applications, installed directly into the drill string to prevent backflow during drilling, tripping, or emergency well control situations.
Keywords:
Category:
Well Control
1. Product Overview
The Drop-In Retrievable Check Valve is an essential well control valve used to prevent backflow during drilling, tripping, and emergency well control situations. The valve is designed for quick installation and removal from the drill string without disassembling other equipment.
It operates by sealing against the drill pipe to block reverse flow while allowing normal fluid circulation downward, helping to maintain wellbore pressure control and mitigate the risk of blowouts.
2. Product Scope & Configuration
- Compatible with standard drill string sizes
- Ball-type or plug-type sealing mechanism
- Available for quick and easy installation
- Standard and H2S service trim configurations
3. Key Features & Technical Highlights
- API 7-1 compliant design for well control applications
- Full-bore flow path for unrestricted circulation
- Metal-to-metal sealing with elastomer backup
- Quick deployment and retrieval for emergency operations
- Durable, field-tested components for high-pressure well environments
4. Connection Types & Thread Compatibility
Unionlever OFS Drop-In Check Valves are supplied with a wide range of connection options, including:
- API EUE / IF / REG
- NC connections (NC26, NC31, NC38, NC46, NC50, etc.)
- Premium thread forms such as VX, XT, VAM, and others
All valves are designed for easy interchangeability with widely used designs from other major manufacturers.
5. Materials, Heat Treatment & Inspection
- High-strength alloy steel construction
- Heat treatment for high tensile strength
- Magnetic Particle Inspection (MPI) for critical components
- Hydrostatic pressure testing before delivery
6. Typical Applications
- Drilling operations and well control applications
- Prevention of backflow during tripping, workover, and emergency situations
- Compatible with onshore and offshore rigs
- Ideal for fluid circulation systems and well pressure management
7. RFQ Guideline – To Speed Up Quotation
Please provide the following information to ensure accurate configuration and fast quotation:
- Nominal size and pressure rating
- Connection types for top and bottom connections
- Service condition: standard or H2S
- Quantity of valves and repair kits required
Providing these details will help Unionlever OFS reduce clarification cycles and deliver an accurate quote for your requirements.
Frequently Asked Questions
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Contact Phone
Contact Email
sales@unionleverofs.com
ofs@unionlever.com
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Related Products
Building upon more than a decade of field experience, Unionlever OFS offers a comprehensive portfolio covering downhole drilling tools, fishing tools, handling tools, well control equipment, cementing tools, and solid-control systems.
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Unionlever Oilfield Equipment Co., Limited
A Member of
Unionlever International Group Limited
(Established Since 2010)
"To be a globally trusted leader in oilfield equipment and integrated supply solutions."
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