3 Inch High Pressure Rotary Drilling Hose With Hammer Union For Oil Gas Drilling
Rotary Drilling Hose is a flexible, high-pressure hose designed for the oil and gas industry, primarily used in rotary drilling operations. It serves as a critical component in delivering drilling fluids between the pump and the drill string, ensuring smooth drilling processes.
Made with high-strength synthetic rubber and reinforced with multiple layers of steel wire or textile cords, the hose offers excellent resistance to abrasion, oil, and extreme temperatures.
Hongruntong Marine's Rotary Drilling Hoses are engineered for durability and reliability, meeting international standards such as API 7K. They provide superior flexibility, pressure resistance, and longevity, making them ideal for harsh drilling environments. Our hoses undergo rigorous quality control to ensure safety and performance, offering a dependable solution for offshore and onshore drilling applications.

| Tube | Modified nitrile, black, specifically engineered for the effective handling of abrasive, corrosive substances, and oil drilling mud. |
| Reinforcement | Composite construction featuring multiple layers of textile fabric and steel cable, with a layer of rubber positioned between the cable layers for enhanced performance. |
| Cover | Black modified nitrile with a specially engineered ultra-abrasion cover, designed to provide exceptional resistance to abrasion, corrosion, cutting, gouging, oil, and weather conditions. |
| Coupling | Swaged couplings, full range of couplings available including hammer union, flanges, hubs, male thread, etc. |
| Certification | API 7K-0376/ISO14693 |
| Temperature Range | -40°C to +82°C (-104°F to +180°F) |
| Options | Accessories such as safety clamps and hose lift eyes available upon request |
| Testing | Each hose tested at 22,500 psi for 15 minutes. Pressure test graph, test certificate and letter of conformance issued for each hose. |
- High Pressure and Temperature Resistance: Engineered to withstand high pressures and temperatures commonly encountered in drilling operations, ensuring safe and efficient transportation of drilling fluids under extreme conditions.
- Durable Construction: Constructed using high-quality materials including reinforced rubber and advanced synthetic compounds, providing exceptional abrasion resistance and durability.
- Flexibility and Maneuverability: Designed for flexibility, allowing easy handling and installation in various drilling environments without compromising performance.
- Customized Configurations: Available in customized lengths, diameters, and fitting types to meet specific application requirements.
- Oil and Gas Exploration: Used in offshore and onshore drilling rigs to transport drilling mud and fluids to and from the wellbore.
- Geothermal Energy Drilling: Employed in the drilling of geothermal wells to extract steam and hot water from the earth's interior.
- Mineral Exploration and Mining: Utilized in rotary drilling for mineral extraction, transporting water and drilling mud needed for the drilling process.
- Construction and Foundation Drilling: Applied in civil engineering projects for foundation drilling, carrying slurry or water to facilitate the drilling of deep foundations and pilings.
- Decades of Expertise: Over 30 years of manufacturing experience ensures deep understanding of drilling application challenges.
- Advanced Manufacturing Technology: State-of-the-art equipment and techniques ensure precision and consistency in production.
- Customization and Flexibility: Tailored solutions available for specific client requirements including lengths, diameters, and fittings.
- Rigorous Quality Control: Strict quality control measures throughout manufacturing process with comprehensive testing of raw materials and finished products.
| Model | I.D. (inch/mm) | O.D. (mm) | W.P. (mpa/psi) | T.P. (mpa/psi) | Weight (kg/m) | B.R. (mm) |
|---|---|---|---|---|---|---|
| HMRDH-Grade A | 1 1/2 / 38 | 51 | 11 / 1500 | 22 / 3000 | 2.19 | 560 |
| HMRDH-Grade A | 2 / 51 | 65 | 11 / 1500 | 22 / 3000 | 3.03 | 900 |
| HMRDH-Grade A | 2 1/2 / 64 | 78 | 11 / 1500 | 22 / 3000 | 3.95 | 1200 |
| HMRDH-Grade B | 1 1/2 / 38 | 52 | 14 / 2000 | 28 / 4000 | 2.39 | 560 |
| HMRDH-Grade B | 2 / 51 | 66 | 14 / 2000 | 28 / 4000 | 3.25 | 900 |
| HMRDH-Grade B | 2 1/2 / 64 | 79 | 14 / 2000 | 28 / 4000 | 4.37 | 1200 |
| HMRDH-Grade B | 3 / 76 | 98 | 14 / 2000 | 28 / 4000 | 7.76 | 1200 |
| HMRDH-Grade B | 3 1/2 / 89 | 113 | 14 / 2000 | 28 / 4000 | 9.95 | 1300 |
| HMRDH-Grade B | 4 / 102 | 127 | 14 / 2000 | 28 / 4000 | 12.43 | 1400 |
| HMRDH-Grade B | 5 / 127 | 153 | 14 / 2000 | 28 / 4000 | 15.25 | 1500 |
| HMRDH-Grade B | 6 / 152 | 178 | 14 / 2000 | 28 / 4000 | 18.71 | 1600 |
| HMRDH-Grade C | 1 1/2 / 38 | 55 | 28 / 4000 | 56 / 8000 | 3.65 | 560 |
| HMRDH-Grade C | 2 / 51 | 69 | 28 / 4000 | 56 / 8000 | 5.15 | 900 |
| HMRDH-Grade C | 2 1/2 / 64 | 88 | 28 / 4000 | 56 / 8000 | 7.86 | 1200 |
| HMRDH-Grade C | 3 / 76 | 105 | 28 / 4000 | 56 / 8000 | 13.12 | 1200 |
| HMRDH-Grade C | 3 1/2 / 89 | 121 | 28 / 4000 | 56 / 8000 | 16.79 | 1300 |
| HMRDH-Grade C | 4 / 102 | 137 | 28 / 4000 | 56 / 8000 | 21.70 | 1400 |
| HMRDH-Grade C | 5 / 127 | 164 | 28 / 4000 | 56 / 8000 | 28.46 | 1500 |
| HMRDH-Grade C | 6 / 152 | 197 | 28 / 4000 | 56 / 8000 | 44.64 | 1600 |
| HMRDH-Grade D | 2 / 51 | 73 | 35 / 5000 | 70 / 10000 | 6.46 | 900 |
| HMRDH-Grade D | 2 1/2 / 64 | 91 | 35 / 5000 | 70 / 10000 | 10.75 | 1200 |
| HMRDH-Grade D | 3 / 76 | 107 | 35 / 5000 | 70 / 10000 | 14.35 | 1200 |
| HMRDH-Grade D | 3 1/2 / 89 | 123 | 35 / 5000 | 70 / 10000 | 18.77 | 1300 |
| HMRDH-Grade D | 4 / 102 | 139 | 35 / 5000 | 70 / 10000 | 23.16 | 1400 |
| HMRDH-Grade D | 5 / 127 | 171 | 35 / 5000 | 70 / 10000 | 38.00 | 1500 |
| HMRDH-Grade D | 6 / 152 | 200 | 35 / 5000 | 70 / 10000 | 48.43 | 1600 |
| HMRDH-Grade E | 2 / 51 | 80 | 52 / 7500 | 104 / 15000 | 10.37 | 1000 |
| HMRDH-Grade E | 2 1/2 / 64 | 101 | 52 / 7500 | 104 / 15000 | 17.88 | 1200 |
| HMRDH-Grade E | 3 / 76 | 120 | 52 / 7500 | 104 / 15000 | 24.45 | 1200 |
| HMRDH-Grade E | 3 1/2 / 89 | 135 | 52 / 7500 | 104 / 15000 | 29.33 | 1300 |
| HMRDH-Grade E | 4 / 102 | 148 | 52 / 7500 | 104 / 15000 | 34.24 | 1400 |
| HMRDH-Grade E | 5 / 127 | 189 | 52 / 7500 | 104 / 15000 | 55.39 | 1500 |
| HMRDH-Grade F | 2 / 51 | 82 | 70 / 10000 | 105 / 15000 | 11.81 | 1000 |
| HMRDH-Grade F | 2 1/2 / 64 | 104 | 70 / 10000 | 105 / 15000 | 20.46 | 1300 |
| HMRDH-Grade F | 3 / 76 | 129 | 70 / 10000 | 105 / 15000 | 32.74 | 1300 |
| HMRDH-Grade F | 3 1/2 / 89 | 144 | 70 / 10000 | 105 / 15000 | 39.43 | 1400 |
| HMRDH-Grade F | 4 / 102 | 158 | 70 / 10000 | 105 / 15000 | 45.73 | 1500 |
| HMRDH-Grade G | 2 / 51 | 92 | 105 / 15000 | 157 / 22500 | 17.37 | 1000 |
A Rotary Drilling Hose is a specialized flexible pipe used in drilling operations. It is designed to transport drilling fluids (such as mud or water) from the surface to the drill bit in the wellbore, while withstanding high pressures and extreme operational conditions.
Rotary Drilling Hoses are typically constructed from a combination of synthetic rubber, steel wires, and other durable materials. The outer cover is usually made from abrasion-resistant rubber, while the reinforcement is provided by steel wires to ensure strength and flexibility.
Rotary Drilling Hoses are mainly used in oil and gas exploration, geothermal drilling, mineral extraction, water well drilling, soil investigation, environmental remediation, and various construction applications, among others.
Selecting the right hose involves considering factors such as the type of drilling fluids being used, the operating pressure and temperature, the hose diameter, length requirements, and compatibility with the specific drilling equipment. Consulting with a supplier or manufacturer can provide guidance based on your unique needs.
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