Rotary Drilling Hose with High Pressure Resistance Superior Flexibility and Extreme Durability for Petroleum Extraction
The Drilling Rotary Hose is an industrial high-pressure flexible conduit designed for rotary drilling systems in petroleum extraction and heavy-duty fluid transfer operations. Constructed through multi-layer reinforced elastomeric structures combined with high-tensile steel wire spirals and textile composite reinforcement layers, this hose maintains operational integrity under dynamic torsional load, high-frequency vibration, and continuous internal pressure fluctuation.
A major offshore drilling contractor operating in the North Sea encountered recurrent failure of rotary fluid transfer lines due to combined effects of low-temperature brittleness, cyclic pressure fluctuation, and mechanical fatigue caused by platform movement.
The Drilling Rotary Hose was introduced as a replacement component within the rotary circulation system. After deployment, the hose maintained stable structural integrity under continuous low-temperature marine conditions and high-pressure circulation cycles, significantly reducing unscheduled maintenance interventions while improving system uptime and reducing hydraulic leakage incidents.
| Name | Rotary Drilling Hose |
|---|---|
| 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 | -40°C to +82°C (-104°F to +180°F) |
| Options | Accessories such as safety clamps and hose lift eyes available upon request |
| Test | Each hose tested at 22500psi for 15 minutes. Pressure test graph, test certificate and letter of conformance issued for each hose |
| Model | I.D. (inch) | I.D. (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 | |
| 2 | 51 | 65 | 11(1500) | 22(3000) | 3.03 | 900 | |
| 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 | |
| 2 | 51 | 66 | 14(2000) | 28(4000) | 3.25 | 900 | |
| 2 1/2 | 64 | 79 | 14(2000) | 28(4000) | 4.37 | 1200 | |
| 3 | 76 | 98 | 14(2000) | 28(4000) | 7.76 | 1200 | |
| 3 1/2 | 89 | 113 | 14(2000) | 28(4000) | 9.95 | 1300 | |
| 4 | 102 | 127 | 14(2000) | 28(4000) | 12.43 | 1400 | |
| 5 | 127 | 153 | 14(2000) | 28(4000) | 15.25 | 1500 | |
| 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 | |
| 2 | 51 | 69 | 28(4000) | 56(8000) | 5.15 | 900 | |
| 2 1/2 | 64 | 88 | 28(4000) | 56(8000) | 7.86 | 1200 | |
| 3 | 76 | 105 | 28(4000) | 56(8000) | 13.12 | 1200 | |
| 3 1/2 | 89 | 121 | 28(4000) | 56(8000) | 16.79 | 1300 | |
| 4 | 102 | 137 | 28(4000) | 56(8000) | 21.7 | 1400 | |
| 5 | 127 | 164 | 28(4000) | 56(8000) | 28.46 | 1500 | |
| 6 | 152 | 197 | 28(4000) | 56(8000) | 44.64 | 1600 | |
| HMRDH-Grade D | |||||||
| 2 | 51 | 73 | 35(5000) | 70(10000) | 6.46 | 900 | |
| 2 1/2 | 64 | 91 | 35(5000) | 70(10000) | 10.75 | 1200 | |
| 3 | 76 | 107 | 35(5000) | 70(10000) | 14.35 | 1200 | |
| 3 1/2 | 89 | 123 | 35(5000) | 70(10000) | 18.77 | 1300 | |
| 4 | 102 | 139 | 35(5000) | 70(10000) | 23.16 | 1400 | |
| 5 | 127 | 171 | 35(5000) | 70(10000) | 38 | 1500 | |
| 6 | 152 | 200 | 35(5000) | 70(10000) | 48.43 | 1600 | |
| HMRDH-Grade E | |||||||
| 2 | 51 | 80 | 52(7500) | 104(15000) | 10.37 | 1000 | |
| 2 1/2 | 64 | 101 | 52(7500) | 104(15000) | 17.88 | 1200 | |
| 3 | 76 | 120 | 52(7500) | 104(15000) | 24.45 | 1200 | |
| 3 1/2 | 89 | 135 | 52(7500) | 104(15000) | 29.33 | 1300 | |
| 4 | 102 | 148 | 52(7500) | 104(15000) | 34.24 | 1400 | |
| 5 | 127 | 189 | 52(7500) | 104(15000) | 55.39 | 1500 | |
| HMRDH-Grade F | |||||||
| 2 | 51 | 82 | 70(10000) | 105(15000) | 11.81 | 1000 | |
| 2 1/2 | 64 | 104 | 70(10000) | 105(15000) | 20.46 | 1300 | |
| 3 | 76 | 129 | 70(10000) | 105(15000) | 32.74 | 1300 | |
| 3 1/2 | 89 | 144 | 70(10000) | 105(15000) | 39.43 | 1400 | |
| 4 | 102 | 158 | 70(10000) | 105(15000) | 45.73 | 1500 | |
| HMRDH-Grade G | |||||||
| 2 | 51 | 92 | 105(15000) | 157(22500) | 17.37 | 1000 | |
- Multi-Layer Reinforced Structural System: Engineered with composite reinforcement architecture consisting of spiral steel wire embedded between multiple elastomeric and textile layers for uniform stress distribution and dimensional stability
- Dynamic Pressure Pulse Absorption Technology: Internal rubber compound formulated with energy-dissipating polymer chains capable of absorbing transient hydraulic pressure spikes
- Anti-Torsional Deformation Engineering: Reinforcement geometry optimized to counteract rotational stress and maintain consistent internal flow channel geometry
- High-Resistance External Protection Layer: Outer covering utilizes high-density synthetic elastomer compounds engineered for resistance against abrasion, drilling mud exposure, oil contamination, and environmental aging
- Rotary Drilling Fluid Circulation Systems: Integrated into high-pressure circulation loops for continuous drilling mud transport in deep well drilling operations
- Offshore Platform Drilling Equipment Connectivity: Applied in marine drilling systems requiring high mechanical resilience and environmental adaptability
- Industrial High-Pressure Hydraulic Transfer Systems: Utilized in heavy industrial fluid transmission networks where high-pressure containment and vibration resistance are required
Industrial Manufacturing Capability: Advanced production systems integrating precision extrusion, controlled reinforcement winding, and standardized vulcanization processes
Engineering Design Expertise: Product development driven by mechanical stress simulation, fatigue analysis, and hydraulic performance modeling
Quality Assurance and Testing Standards: Each production batch undergoes hydrostatic pressure testing, torsional fatigue validation, and thermal aging evaluation
Global Supply and Project Support Experience: Supply capability for international drilling and offshore engineering projects with technical documentation support and customization engineering
- What is the structural design principle of the Drilling Rotary Hose?
The hose is designed using a multi-layer reinforcement system that combines steel wire spirals and elastomeric bonding layers to ensure uniform stress distribution under pressure and torsional load conditions. - Can the hose operate under continuous rotary motion environments?
The structural configuration is engineered specifically for rotary drilling systems, allowing continuous rotational stress without deformation or loss of flow stability. - What environmental conditions can the hose withstand?
The hose is suitable for offshore, desert, and industrial environments, with resistance to temperature variation, saltwater exposure, and abrasive drilling media. - Is customization available for different pressure ratings and sizes?
The product can be engineered in customized dimensions, reinforcement grades, and pressure classes based on specific drilling system requirements. - What maintenance procedures are recommended?
Periodic inspection of external cover condition, connection interfaces, and pressure performance is recommended to ensure long-term operational stability.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.