Experience the power and precision of the API 7-1 oil well drilling Spiral Integral blades drilling stabilizer. This near bit stabilizer is engineered for top-tier performance, ensuring stability and efficiency in your drilling operations.Our API standard oilfield stabilizers are meticulously crafted from a single solid bar of AISI 4145H modified steel, featuring either 3 or 4 robust blades.
| Category | Specification |
|---|---|
| Basic Information | |
| Model NO. | Near Bit Stabilizer |
| Product Name | Drilling Stabilizer |
| Type | Drill Stabilizer |
| Product Type | Drill String, Near Bit, Dia. Changeable |
| Condition | New |
| Marketing Type | New Product 2023 |
| Certification & Quality | |
| Certification | API, API |
| Standard | API 7-1 |
| Machinery Test Report | Provided |
| Video Outgoing-Inspection | Provided |
| After-Sales Service | 24/7 |
| Technical Specifications | |
| Material | Alloy Steel |
| Manufacturing Process | Forging |
| Processing Type | Forging |
| Blade Type | 3 Blade or 4 Blades |
| Hardfacing | Hf1000 Hf2000 Hf3000 Hf4000 Hf5000 |
| Weight | 1000 Kg |
| Application & Use | |
| Application | Oil/Gas/Geothermal Drilling |
| Use | Well Drilling |
| Applicable Industries | Energy & Mining |
| Applicable Medium | Mud, Water, Natural Gas, Crude Oil |
| Machine Type | Drilling Tool |
| Production & Delivery | |
| Surface Treatment | Spray-Paint |
| Transport Package | Plywood Case |
| Package Size | 2000.00cm * 1550.00cm * 1200.00cm |
| Package Gross Weight | 1200.000 kg |
| Production Capacity | 10000 Set/Sets Per Month |
| Trademark | River peyro |
| Origin | Shandong, China |
| HS Code | 843143 |

| Working OD IN/MM | Fishing OD IN/MM | Up Conn. API | Down Conn. API | ID IN/MM | Fishing Length IN/MM | Total Length IN/MM |
| 5-7/8 142.9 | 4-3/4 120.7 | NC38 | 3-1/2REG NC38 | 2 50.8 | 22 559 | 54 1372 |
| 6 152.4 | 4-3/4 120.7 | NC38 | 3-1/2REG NC38 | 2 50.8 | 27 686 | 58 1473 |
| 8-1/2 215.9 | 6-1/2 165.1 | NC50 | 4-1/2REG NC50 | 2-13/16 71.4 | 27 686 | 66 1676 |
| 12-1/4 311.1 | 8 203.2 | 6-5/8REG | 6-5/8REG | 2-13/16 71.4 | 24 610 | 61 1600 |
| 17-1/2 444.5 | 9 228.6 | 7-5/8REG | 7-5/8REG | 3 76.2 | 27 686 | 67 1702 |
| 22 558.8 | 9-1/2 241.3 | 7-5/8REG | 7-5/8REG | 3 76.2 | 26 660 | 76 1930 |
| 26 660.4 | 9-1/2 241.3 | 7-5/8REG | 7-5/8REG | 3 76.2 | 26 660 | 76 1930 |
| 28 711.2 | 9-1/2 241.3 | 7-5/8REG | 7-5/8REG | 3 76.2 | 27 686 | 78 1981 |





The high-performance drilling pipe stabilizer, manufactured from AISI 4145h chromium-molybdenum steel and conforming to API 7-1 specifications, is critical for precise wellbore trajectory control. Its primary function is to centralize the bottom hole assembly (BHA), minimizing deviation and mitigating harmful vibrations. This ensures a smoother, in-gauge wellbore, which is essential for efficient drilling operations and reducing non-productive time. The robust AISI 4145h material, often through-hardened, provides exceptional resistance to abrasive wear, shock loads, and high torque, guaranteeing reliable performance in the most demanding downhole environments and extending service life.