Hinged Welded Spring Bow Casing Centralizers 4-20" API Certified with Screw Stop Ring for Oil Well Cementing
Professional hinged welded spring bow centralizers with screw stop rings for casing centralization in oil wells. Features 4-10 bow springs, 160-460mm outer diameter range, and 550mm standard length. API certified construction with iron phosphate and polyester coatings for corrosion resistance. Improves cementing quality in vertical, deviated, and horizontal well applications.
Place of Origin
China
Keywords
Casing Centralizer
Warranty
One Year
Packaging Details
Export wooden case
Product Name
Hinged Welded Spring Bow Casing Pipe Centralizer Casing Stabilizer with Screw Stop Ring
Material
Steel, aluminum, nylon, polymer
Product Description
Product Overview
Hinged welded spring bow casing centralizers with screw stop rings are essential cementing tools designed to centralize casing strings in vertical, deviated, and horizontal wells. These precision-engineered components ensure optimal cement distribution between casing and borehole walls, significantly improving cementing quality and well integrity.
Key Features & Benefits
- Superior restoring force through welded construction compared to non-welded alternatives
- Integral hinge design folded internally maintains structural integrity under extreme stress conditions
- Reinforcing rib stamped into end collars provides maximum structural toughness
- Half-assembled shipping configuration reduces transportation and storage costs
- Iron phosphate coating process prevents rust and corrosion
- Polyester powder coating ensures long-lasting surface protection
Technical Specifications
| Model | Number of Bow Springs | Max Outer Diameter (mm) | Inner Diameter (mm) | Length (mm) |
|---|---|---|---|---|
| 4 1/2"*6" | 4 | 160 | 116 | 550 |
| 7"* 8 1/2" | 6 | 230 | 181 | 550 |
| 7"* 8 3/8" | 6 | 230 | 181 | 550 |
| 7" *9 1/2" | 6 | 255 | 181 | 550 |
| 7"* 9 7/8" | 6 | 255 | 181 | 550 |
| 7 5/8"* 9 1/2" | 6 | 255 | 197 | 550 |
| 9 5/8"* 12 1/4" | 8 | 335 | 247 | 550 |
| 10 3/4"* 12 1/4" | 8 | 335 | 275 | 550 |
| 13 3/8"*16" | 10 | 420 | 343 | 550 |
| 13 3/8"*17 1/2" | 10 | 460 | 343 | 550 |
Product Images
Packaging & Shipping
Manufacturer Information
Dongying OilMan Machinery Equipment Co., Ltd is a professional supplier of petroleum equipment with comprehensive API certifications. Our product range includes rig accessories, well control systems, drill strings, handling tools, downhole tools, OCTG, drilling tools, cementing tools, and spare parts.
Quality Certifications
API-5CT
API-10D
API-7K
API-11E
API-6A
API-11AX
API-5D
ISO 9001
ISO 14001
ISO 18001
Contact Information
Dongying OilMan Machinery Equipment Co.
Address: North Two Road, Dongying City, Shandong Province, China
Mobile/WhatsApp/WeChat: +86 13475294399
Email: [email protected]
Recommended Products
Price: USD2000-5000/pc
Price: USD2000-5000/pc
Price: USD2000-5000/pc
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