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Help CenterStainless Steel Wedge Filter Johnson Filter for Oil & Gas Well Screen, 304 SS, 0.3mm Slot
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As a leading manufacturer based in Hengshui, Hebei, China, Anping County Boli Hardware Wiremesh Products Factory has been dedicated to producing high-quality filtration solutions since 1998. Our Stainless Steel Wedge Filter Johnson Filter for Oil & Gas Well Screen is engineered to deliver exceptional performance in demanding downhole environments. Made from premium 304 stainless steel with a precise 0.3mm slot opening, this filter offers reliable sand control and fluid flow optimization for oil and gas well completions. With over two decades of experience and annual exports exceeding US$5 million, we provide products trusted by clients across North America, South America, Europe, and the Middle East.
Our wedge wire screen is constructed using a continuous V-shaped wire wound around support rods, creating a durable, slot-optimized filter profile. This design ensures minimal clogging, high mechanical strength, and uniform filtration. The 0.3mm slot width is ideal for retaining fine formation sands while allowing maximum flow rates, making it suitable for both gravel pack and standalone screen applications. Each screen is manufactured to tight tolerances, with consistent slot opening and robust welding to withstand high pressure and corrosive well fluids.
Key Features and Technical Specifications:
- Precision Slot Width: 0.3 mm (±0.05 mm) – ensures accurate sand retention.
- Material: 304 stainless steel – excellent corrosion resistance and durability.
- Wire Profile: V-shaped wedge wire – self-cleaning design reduces plugging.
- Support Rods: Longitudinal rods provide structural integrity under high compression.
- Connection Options: Threaded, flanged, or welded ends – customizable to match your wellhead or completion equipment.
- Flow Efficiency: Open area up to 60% – minimizes pressure drop and enhances production.
- Custom Sizes: Available in diameters from 1 inch to 12 inches, lengths up to 6 meters, or as per customer specifications.
| Parameter | Value |
| Slot Width | 0.3 mm |
| Wire Diameter (Top) | 2.0 mm – 3.0 mm (customizable) |
| Support Rod Diameter | 3.0 mm – 5.0 mm |
| Screen Length | 1000 mm – 6000 mm |
| Operating Temperature | Up to 400°C (depending on environment) |
| Pressure Rating | Up to 10,000 psi (customizable) |
Benefits for Your Operations: This Johnson-type wedge filter significantly reduces sand production, extending the life of downhole pumps and surface equipment. The continuous slot design prevents wire breakage and maintains structural integrity under thermal cycling and mechanical stress. By using 304 stainless steel, the screen resists hydrogen sulfide (H2S) and chloride-induced corrosion commonly found in oil and gas wells. The self-cleaning profile allows for efficient backwashing, reducing downtime for maintenance. Additionally, our factory can produce screens with various end connections (threaded, flanged, or welded) to seamlessly integrate with existing completion strings.
Every screen undergoes rigorous quality control inspection, including slot width measurement, weld strength test, and dimensional verification. We offer custom slot widths ranging from 0.1mm to 5mm, and wire diameters can be adjusted to meet specific flow and strength requirements. Whether you need a standard 0.3mm screen for a conventional well or a custom design for a high-pressure, high-temperature reservoir, our engineering team supports your project from design to delivery.
Anping County Boli Hardware Wiremesh Products Factory has been a reliable partner in the filtration industry since 1998, with annual export sales between US$5 million and US$10 million. Our products are shipped from major Chinese ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide. We serve markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and Asia. With a strong domestic market presence and a reputation for consistent quality, we are committed to providing solutions that meet the highest standards of performance and durability. Contact us today for a quote or technical consultation, and let us help you optimize your well screening efficiency.
Frequently Asked Questions
Q1: What is the difference between a wedge wire screen and a wire mesh screen?
Wedge wire screens use V-shaped wires wound on support rods, creating a continuous slot with a self-cleaning profile. They offer higher strength, better flow efficiency, and greater resistance to clogging compared to woven wire mesh, making them ideal for oil and gas well screening.
Q2: Can the slot width be customized for different formation sands?
Yes, we offer slot widths from 0.1mm to 5mm. Our engineering team can recommend the optimal slot size based on your sand analysis to ensure effective sand control while maximizing production rates.
Q3: What is the maximum temperature and pressure rating for this screen?
The standard 304 stainless steel screen can operate up to 400°C and withstand pressure up to 10,000 psi, depending on the wire diameter and support rod design. For higher requirements, we can provide materials like 316L or duplex stainless steel upon request.
Q4: How are the screens connected to the production tubing?
We offer multiple connection options including threaded ends (API or custom thread), flanged connections, and welded ends. The connection type is selected based on your completion design. Please provide your specifications during order.
Q5: Do you provide samples for testing?
Yes, we can provide small sample screens (e.g., 300mm length) for your evaluation. Please contact us with your requirements, and we will prepare a sample with a short lead time.
Q6: What is the typical lead time for bulk orders?
For standard sizes and slot widths, lead time is 15–20 working days after order confirmation. Custom orders may require 25–30 working days, depending on complexity. We ship from multiple ports to meet your schedule.
Q7: Is the screen suitable for horizontal wells?
Absolutely. Our cylindrical wedge wire screens are commonly used in horizontal wells as standalone screens or as part of a gravel pack system. The robust construction and flexibility of the wire support allow for deployment in deviated or horizontal boreholes.
Q8: How do you ensure the slot width consistency across the entire screen?
We use precision winding machines and automated welding processes. Each screen is inspected with a slot gauge and a laser measurement system to ensure uniform slot width within ±0.05mm tolerance. A quality control report is provided with each shipment.
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