Oilfield Flushing Truck | Sand Flushing Unit
An oilfield flushing truck circulates fluid for sand cleanout, debris removal and well or line flushing. Buyers should define the solids problem, circulation path, fluid, pressure, rate, tank capacity, heating requirement and disposal plan before equipment selection.
Sand accumulation and debris plugging in wellbores remain among the most disruptive and costly production challenges facing oilfield operators worldwide. The VANCE Oilfield Flushing Truck is a purpose-engineered mobile well intervention unit designed to deliver high-pressure fluid circulation for efficient sand removal, wellbore cleanout, and production string flushing operations. As a fully integrated Sand Flushing Unit, it combines a heavy-duty triplex plunger pump, large-capacity fluid storage tank, and an onboard heating system into a single road-deployable platform. This sand flushing truck eliminates the need for separate support equipment at the wellsite, significantly reducing mobilization time and operational costs. Engineered as a true high-pressure flushing truck, the VANCE unit is capable of sustained continuous pumping at pressures up to 35 MPa, making it equally effective for pipeline flushing, perforation cleanout, and workover fluid circulation across diverse oilfield environments — including high-temperature, high-sand-content, and remote-access fields.
Key Features
- High-pressure triplex plunger pump delivers stable output up to 35 MPa with adjustable flow rate for precise wellbore flushing control.
- Self-circulation (closed-loop) flushing system available on select models, enabling fluid recovery and reuse to minimize fluid consumption and environmental impact.
- Onboard insulated fluid storage tank (10–20 m³) with integrated diesel-fired heating system ensures optimal fluid temperature during cold-climate operations.
- Full-flow filtration system on the suction and discharge lines protects pump components from abrasive sand and debris ingestion.
- PLC-based automatic monitoring and control panel provides real-time display of pump pressure, flow rate, tank temperature, and engine RPM.
- Safety protection package includes high-pressure relief valve, pump over-speed shutdown, low-suction-pressure cutoff, and emergency stop system.
- Heavy-duty chassis options (SINOTRUK HOWO, SHACMAN, Dongfeng) with 6×4 or 8×4 drive configuration for reliable access to remote wellsites and unpaved field roads.
- Hydraulic-driven or PTO-driven pump power takeoff configurations available to match chassis engine specifications and regional fuel standards.
- Arctic-grade cold weather package available, including full insulation, engine block pre-heater, and heated pump housing for operation down to −40°C.
- Modular equipment layout allows integration of additional tools such as a chemical injection system, flow meter, or wellhead pressure monitoring port.
Why Choose VANCE Sand Flushing Truck?
VANCE designs and manufactures each Sand Flushing Unit to meet the real-world demands of oilfield well intervention teams operating under time pressure and in challenging environments. Our Oilfield Flushing Truck range has been deployed in oilfields across Central Asia, the Middle East, Africa, and Southeast Asia, earning a proven track record for pump reliability, system durability, and low total cost of ownership. Every unit undergoes comprehensive factory testing — including full-pressure pump runs and control system verification — before shipment. For operators running comprehensive well maintenance programs, our Well Flushing & Wax Removal Truck provides complementary thermal and chemical wax treatment capability. When wellbore heating support is also required on-site, pairing the flushing truck with a Boiler Truck delivers a complete mobile thermal and hydraulic well treatment solution.

Technical Specifications
| Parameter | Specification |
|---|---|
| Representative Models | LGC5250TJC35 (2020); LGC5400TJC Self-Circulation; custom models available |
| Chassis Options | SINOTRUK HOWO, SHACMAN X3000, Dongfeng, Beiben; 6×4 / 8×4 drive |
| Gross Vehicle Weight | 25,000 kg (LGC5250TJC35); 40,000 kg (LGC5400TJC); model dependent |
| Pump Type | Triplex single-action plunger pump (hydraulic-driven or PTO-driven) |
| Max Working Pressure | 35 MPa (rated); safety relief set at 38 MPa |
| Max Flow Rate | Up to 1.2 m³/min (adjustable via frequency control or throttle) |
| Tank Volume | 10 m³ – 20 m³ (insulated carbon steel; stainless steel optional) |
| Heating System | Onboard diesel-fired burner heating; max fluid temperature 90°C |
| Flushing Mode | Standard open-loop / self-circulation closed-loop (LGC5400TJC) |
| Control System | PLC automatic control with digital HMI; manual backup operation |
| Ambient Operating Range | −40°C to +50°C (standard and arctic packages available) |
| Applicable Standards | SY/T 5439, GB 7258, GB/T 3836; export compliance documentation available |

Available Models
- LGC5250TJC35 Oilfield Flushing Truck (2020) — 35 MPa rated high-pressure sand flushing unit on SINOTRUK 6×4 chassis; standard open-loop configuration with 10 m³ heated fluid tank; widely deployed in Central Asia and Middle East oilfields.
- LGC5400TJC Self-Circulation Flushing Truck — Advanced closed-loop sand flushing unit on heavy-duty 8×4 chassis with onboard fluid recovery and filtration system; ideal for environmentally sensitive or water-scarce oilfield locations.
- Custom Light-Duty Sand Flushing Truck (6×4) — Compact oilfield flushing truck configuration for shallow well workover and perforation cleanout operations; available with 10 m³ tank and 25 MPa pump output.
- Arctic Export Series Flushing Truck — Full cold-weather oilfield flushing truck package rated for −40°C continuous operation; available on SHACMAN or SINOTRUK chassis with complete insulation and pre-heating systems.
- Custom Dual-Function Flushing & Cementing Truck — Combined fracturing and cementing truck platform adaptable for sand flushing and cement squeezing operations on the same chassis, reducing fleet size for smaller field operations.
Related equipment and buyer resources
Use these pages to compare adjacent equipment functions and plan a complete field package.
- Well Flushing & Wax Removal Truck | Hot Oil Flushing Unit
- Test Well Truck
- Oil Production Truck
- Sand Cleanout Workflow for Oil Wells | Oilfield Flushing Truck Field Guide
- Oilfield Flushing Truck for Sand Cleanout | Sand Flushing Unit Selection Guide
- Hot Oil Flushing Unit Maintenance Checklist for Wax-Prone Oil Wells
