English
Slotted pipes are pipes with longitudinal or spiral slots designed to allow fluid flow while filtering out foreign particles. They are typically made from stainless steel, carbon steel, or other durable materials and are used in various industries for filtration, drainage, and fluid control.
Types of Drill Pipe: Slotted Pipes, Slotted tubes, Slotted Casing Pipe, Slotted Liner, Perforated Casing Pipe, Perforated Casing.
1. The slotted pipe is suitable for sand control in sand wells with a sand particle size greater than 0.3mm.
2. The edge of the cutting seam has good verticality, the cutting edge is smooth and burr-free, and the cutting seam is even.
3. The flow area is large. The 27/8” screen tube has 300 slits/1.5m, which is 2.4 times larger than the flow area of oil pipes of the same specification.
4. Anti-corrosion treatment is carried out as a whole to improve the corrosion resistance and wear resistance of the screen tube and extend its underground working life.
5. The slotted pipe is made of J55 or N80 petroleum casing body, which has high strength and is not easy to deform.
6. The inner diameter is large, making it easy to configure the pipe string.
1. Line (straight): slots are evenly placed in identical bands all around the pipe, forming straight lines
2. Single slot staggered: the machine spaces bands of slots evenly around the pipe, and the slots in different bands are in alternating spots or offset against each other (not aligned)
3. Gang (multiple staggered): this has the same layout as the single slot staggered pattern, except that it creates two slots instead of one at each position, and comes in a staggered/offset pattern.
4. Custom: this is made according to the client's requirements.
1. Sand Control: In oil and gas wells, slotted pipes prevent sand and other particulate matter from entering the wellbore, protecting production equipment.
2. Fluid Filtration: They allow the passage of liquids while filtering out unwanted particles, ensuring cleaner fluid flow.
3. Efficient Drainage: Slotted pipes are used in drainage systems to efficiently remove surface water from streets, highways, and parking lots.
4. Groundwater Extraction: They help in the collection and filtration of groundwater, providing cleaner and more stable water supply.
Sand Control and Well Completion: Slotted pipes are used in oil and gas wells to prevent sand and other particles from entering the wellbore, which helps maintain well productivity and prevents clogging.
Hydraulic Fracturing: They serve as screens in hydraulic fracturing operations, allowing for the controlled flow of fluids and gases while filtering out unwanted materials.
Water Wells: Slotted pipes are essential in constructing water wells, where they act as filters to allow water to seep in while keeping soil particles out.
Groundwater Extraction: They are used to build well filter layers, enabling effective filtration and collection of groundwater, resulting in cleaner water quality and more stable water quantity.
Drainage and Dewatering: Slotted pipes are used in drainage systems to expel water from farmlands, construction sites, and other areas, preventing soil erosion and waterlogging.
Irrigation Systems: In agricultural irrigation, slotted pipes are buried underground to provide a steady supply of water to crops.
Wastewater Treatment: Slotted pipes are used in industrial wastewater treatment plants for water filtration and solid-liquid separation processes.
Oil Skimming: In industries that generate wastewater with floating oil and debris, slotted pipes are used as oil skimmers to remove contaminants from the water surface.
