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Help CenterStainless Steel Wedge Filter for Oil & Gas Well Screen Johnson Filter 304 Material 0.1mm Slot Durable
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer with over 26 years of experience in wire mesh and filtration solutions. Our Stainless Steel Wedge Filter for Oil & Gas Well Screen (also known as Johnson Filter) is engineered for demanding downhole environments. Crafted from premium 304 stainless steel with a precision 0.1mm slot opening, this filter offers exceptional durability and reliable performance. Whether you need sand control, fluid filtration, or well screen protection, our product delivers consistent results, backed by our factory's commitment to quality and customization.
This wedge filter is designed using advanced V-shaped wire technology, which provides a self-cleaning slot profile and minimizes clogging. The 0.1mm slot size ensures effective filtration of fine particles while maintaining high flow rates. Ideal for oil and gas well completions, water wells, and industrial filtration, the filter can be manufactured in various diameters, lengths, and connection types to meet your specific requirements.
Key Features & Technical Specifications
- Material: 304 Stainless Steel (316L also available upon request)
- Slot Size: 0.1mm (other sizes from 0.05mm to 6mm customizable)
- Wire Profile: V-shaped wedge wire for continuous slot cleaning
- Support Rods: Longitudinal rods with welded joints for high strength
- Structure: Cylindrical, flat panel, or custom shapes
- Connection: Flanged, threaded, or plain ends (optional)
- Slot Accuracy: ±0.02mm, ensuring uniform filtration
- Maximum Operating Temperature: Up to 400°C (752°F)
- Corrosion Resistance: Excellent in harsh downhole environments
| Parameter | Specification |
|---|---|
| Outer Diameter | 50mm – 600mm (customizable) |
| Length | 100mm – 6000mm (customizable) |
| Wire Width | 2.0mm – 3.5mm |
| Support Rod Diameter | 3.0mm – 6.0mm |
| Slot Opening Area | 0.1mm (standard) – up to 6mm |
| Working Pressure | Up to 20 MPa (depending on design) |
Advantages & Benefits
- High Filtration Efficiency: The 0.1mm slot effectively captures fine sand and particulate, preventing screen plugging and extending well life.
- Self-Cleaning Design: V-shaped wires allow particles to slide off, reducing maintenance frequency.
- Superior Strength: Welded construction ensures the filter can withstand high pressure and mechanical stress in downhole operations.
- Corrosion & Wear Resistance: 304 stainless steel resists H₂S, CO₂, and other corrosive elements commonly found in oil and gas wells.
- Customizable Dimensions: Available in various diameters, lengths, and slot sizes to match your exact well screen requirements.
- Cost-Effective: Long service life reduces replacement costs and downtime.
Our Johnson-style wedge filters are widely used in oil and gas well screens, water well filtration, petrochemical processing, and industrial liquid-solid separation. The precise slot opening ensures consistent performance, while the robust construction guarantees reliable operation even in challenging environments.
Trust & Reliability
As a manufacturer established in 1998, Anping County Boli Hardware Wiremesh Products Factory has been serving global clients for over 26 years. Our annual export value exceeds US$5 million, with products shipped to major markets including North America, South America, Europe, Southeast Asia, Africa, and the Middle East. We are located in Hengshui, Hebei, China, with convenient access to multiple ports such as Tianjin, Qingdao, Shanghai, and Foshan. Each filter undergoes strict quality control, including slot dimension verification, weld strength testing, and corrosion resistance checks. We are committed to providing reliable, customized solutions that meet your specific needs. Contact us today for a quote or to discuss your next project – we are ready to support your success.
Frequently Asked Questions (FAQ)
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Q: What is the difference between a wedge wire screen and a Johnson filter?
A: Johnson filter is a type of wedge wire screen. Both use V-shaped wires and support rods, but Johnson filters are specifically designed for high-strength downhole applications. Our product is built to Johnson filter standards. -
Q: Can I get a custom slot size other than 0.1mm?
A: Yes, slot sizes from 0.05mm to 6mm are available. Custom sizes can be produced based on your filtration requirements. -
Q: What materials are available besides 304 stainless steel?
A: We also offer 316L, 904L, duplex stainless steel, and other alloys upon request. Please specify your requirements for a tailored solution. -
Q: How do I connect the filter to my existing well screen system?
A: Connection types include flanged, threaded, or plain ends. We can also provide custom welding ends or adapters to match your setup. -
Q: What is the maximum length you can produce for a single filter?
A: Single filter lengths can be up to 6 meters. For longer screens, multiple sections can be joined with connectors. -
Q: How do you ensure the slot accuracy?
A: Each filter is produced using precision winding machines and inspected with slot gauges. The tolerance is ±0.02mm, ensuring consistent filtration. -
Q: Do you provide samples for testing?
A: Yes, sample orders are accepted. Please contact us with your specific requirements, and we will provide a quotation. -
Q: What is the typical lead time for an order?
A: Lead time depends on quantity and complexity. Standard orders typically ship within 15–30 working days. Expedited options are available for urgent projects.
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