Based on the API 7K Series High-Pressure Mud Hose (LT301-C) product data, the main application scenarios are as follows:
| Item | Details |
|---|---|
| Scenario | Serves as the flexible connection for cementing manifolds, linking various manifold components |
| Conveyed Medium | Water-based mud, oil-based mud, etc. |
| Working Conditions | Continuous conveyance under high-pressure environment |
| Specs | Inner liner: NR & SBR / HNBR / UPE; 4–6 plies of high-strength ultra-flexible steel wire / wire rope reinforcement; Outer cover: abrasion & weather-resistant synthetic rubber |
| Temp. Range | Standard: -20°C ~ +82°C ｜ High-Temp: -55°C ~ +150°C |
| Item | Details |
|---|---|
| Scenario ① | Between the upper end of the Riser ↔ Top Drive / Rotary Unit |
| Scenario ② | Between the Mud Pump ↔ the lower end of the Riser |
| Function | Absorbs vibration, compensates displacement, protects rigid manifolds from shock |
| Standard | API Spec. 7K FSL0 ｜ ABS (optional) |
| Item | Details |
|---|---|
| Scenario | Used with rotary drilling systems during drilling and workover operations |
| Typical Spec | 5,000 PSI Top Drive Rotary Hose (as referenced in company news) |
| Function | Maintains high-pressure mud delivery while rotating, compensating for rotational movement |
| Item | Details |
|---|---|
| Scenario | Flexible connection lines on choke & kill manifolds |
| Conveyed Medium | Oil-based / water-based fluids containing hydrogen sulfide (H₂S) and other hazardous gases |
| Corresponding Product | API 16C Series — Choke & Kill Hose |
| Item | Details |
|---|---|
| Scenario | Remotely controlling BOP (Blowout Preventer) open/close in well control systems |
| Conveyed Medium | Hydraulic oil (high pressure) |
| Corresponding Product | API 16D Series — BOP Well Control Hose |
