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Oil Production Equipment

Well Flushing and Paraffin Removal Truck

The Well Flushing and Paraffin Removal Truck is a professional multi-functional vehicle-mounted oilfield maintenance equipment specially developed for daily wellbore cleaning, paraffin deposition removal, sand flushing and well restoration operations. Built on a heavy-duty all-terrain truck chassis, the unit integrates a high-pressure plunger pumping system, heating circulation module, self-priming liquid supply assembly, precise flow control unit and intelligent monitoring system. It focuses on solving common downhole problems such as paraffin accumulation, pipeline blockage, sediment deposition and reduced wellbore permeability in long-term oil production. By adopting high-temperature circulating flushing and high-pressure jet cleaning technology, it efficiently removes wellbore paraffin, dirt and residual sediment, restores crude oil flow channels, and improves oil well output and production stability. Manufactured in strict accordance with API oilfield equipment specifications, this mobile unit features flexible cross-site transfer and rapid on-site deployment. It adapts to ultra-harsh working environments including deserts, Gobi terrains, mountainous muddy well sites and high-altitude cold plateaus, providing efficient, low-cost and reliable well maintenance support for conventional oil wells, water injection wells and old well block renovation projects.

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Core advantages

Designed around the operating requirement.

Integrated Dual Functions of Flushing & Paraffin Removal

Combining high-pressure well flushing and high-temperature wax removal functions in one integrated unit, it realizes sand flushing, dirt cleaning, paraffin melting and pipeline dredging in a single operation. It replaces traditional separate wax removal and well cleaning equipment, eliminating repeated equipment deployment and secondary construction procedures. The dual-functional design greatly improves oilfield well maintenance efficiency and reduces fleet equipment investment costs.

High-Temperature Circulating Wax Melting & Cleaning Technology

Equipped with an efficient heating circulation system, it rapidly heats the working fluid and forms a closed-loop circulating flushing process inside the wellbore. The constant-temperature high-speed circulating fluid thoroughly melts accumulated paraffin on tubing walls, downhole tools and wellbore passages, while washing away silt, scale and mechanical impurities. It avoids incomplete manual wax removal and secondary blockage, effectively restoring original wellbore permeability and production capacity.

Stable High-Pressure Jet Flushing Performance

Adopting high-reliability triplex plunger pump matched with hydraulic stepless speed regulation drive, it provides stable and adjustable high-pressure jet power. The high-speed jet fluid breaks down hardened scale and settled sediment, realizing thorough wellbore dredging and dead-angle cleaning. Stepless pressure and displacement adjustment adapts to different wellbore depths and blockage degrees, ensuring targeted and efficient cleaning operation.

Vehicle-Mounted Modular Compact Layout

All core functional modules including pumping unit, heating system, circulating pipeline and intelligent control cabinet are highly integrated on a heavy-duty off-road chassis. Optimized structural layout ensures stable driving safety during cross-well-site transportation and rapid on-site deployment without complicated assembly and debugging. It perfectly adapts to scattered well locations and frequent well switching requirements of cluster well groups.

Intelligent Whole-Process Operation Monitoring

Fitted with a centralized intelligent control platform, supporting real-time dynamic monitoring and automatic adjustment of flushing pressure, circulating temperature, working displacement and operation duration. The closed-loop control system maintains constant-temperature and constant-pressure operation, avoids over-pressure impact and excessive temperature loss, ensures standardized construction procedures, and realizes traceable and controllable well maintenance quality.

Strong Environmental Adaptability & Low Maintenance Cost

The whole vehicle adopts military-grade sand-proof, anti-corrosion and weather-resistant coating. Optional low-temperature quick-start and heat preservation devices support stable operation in the range of -40℃ to +55℃. Key components adopt wear-resistant and anti-scaling materials with long service life. Modular structure facilitates daily inspection and rapid replacement of wearing parts, reducing long-term operation and maintenance costs for oilfield daily maintenance projects.

Product Overview
Product	Well Flushing and Paraffin Removal Truck
Product line	Oil Production Equipment

Technical Specifications
Max. working pressure MPa	35,40,70	Max. heat wash working displacement m3/h	≮22.5
Max. displacement m3/h	50,60,80,100	Working medium	Crude oil,water
Max. heat wash working pressure MPa	20	Boiler fuel type	Diesel oil
Max. heat wash working temperature ℃	160	Working voltage	24VDC
Displacement at max. heat wash temperature m3/h	≮4.9	Power source of triplex cylinder plunger pump	Truck-mounted engine

Application

Where this equipment is used.

Regular paraffin removal and wax deposit cleaning for long-production oil wells to eliminate crude oil flow channel blockage
High-pressure well flushing, sand washing and sediment removal for water injection wells and production wells to restore wellbore permeability
Scale cleaning, dirt removal and wellbore dredging for aging well blocks and low-yield oil wells to recover production capacity
Pre-production well cleaning and post-workover wellbore finishing treatment for new wells and renovated wells
Batch daily maintenance operations for cluster well groups requiring frequent and regular well treatment
Stable well maintenance tasks under ultra-harsh conditions including deserts, Gobi, mountainous areas and high-altitude cold plateaus

Next step

Send the operating requirement.

For a useful technical response, include the target well conditions, operating depth or pressure, expected quantity, destination and any required configuration.

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Configuration

Options for a matched equipment scope.

Available configurations can be matched to the equipment model, operating conditions and project requirements.

Customize high-pressure grade and large-displacement pumping system for deep-well high-intensity cleaning requirements
Upgrade high-power heating system to realize faster temperature rise and higher circulating temperature for heavy wax deposition wells
Equip full intrinsically safe explosion-proof electrical system to meet Class 0 hazardous oilfield zone safety standards
Install low-temperature quick-start and full-system heat preservation assembly for year-round operation in high-altitude severe cold regions
Add remote cloud monitoring, real-time data statistics and automatic construction record export function
Upgrade anti-scaling and wear-resistant pipeline manifold components to adapt to long-term high-frequency circulating cleaning
Customize enhanced sand-proof, anti-corrosion and weather-resistant coating for long-term harsh oilfield environment service

Buyer questions

Frequently asked about this equipment.

The following questions address common equipment selection and operating considerations.

What is the main purpose of a Well Flushing and Paraffin Removal Truck?

It is a multi-functional oilfield well maintenance unit integrating high-temperature paraffin removal and high-pressure well flushing. It removes downhole paraffin deposition, sediment and scale blockages, dredges wellbore flow channels, restores formation permeability and oil well productivity, and ensures stable and efficient operation of production and water injection wells.

What types of wells is this equipment suitable for?

It is widely applicable to conventional production oil wells, water injection wells and renovated old wells with a depth of 0-6000m. It is especially suitable for oil wells with serious wax deposition, blocked wellbores and decreased production, as well as batch daily maintenance of cluster well groups.

Can it achieve thorough wellbore cleaning and wax removal?

Yes. Adopting constant-temperature closed-loop circulating heating and high-pressure jet flushing technology, it melts solid paraffin thoroughly and washes away settled silt and scale from multiple angles. The intelligent parameter control ensures standardized and thorough cleaning effect without dead corners, effectively avoiding repeated blockage.

Does the equipment support extreme climate all-year operation?

Absolutely. The standard operating temperature ranges from -40℃ to +55℃. Optional low-temperature quick-start and heat preservation devices prevent pipeline freezing and system failure, supporting continuous well maintenance operations in high-altitude cold plateaus, arid deserts and wind-sand Gobi oilfields.

Can functional configurations and working parameters be customized?

Yes. We support personalized customization of working pressure, displacement, heating power, explosion-proof grade and intelligent monitoring functions, which can be flexibly matched according to customer well depth, wax deposition degree and on-site environmental conditions.

Supplier context

Why this product is considered.

We provide professional Well Flushing and Paraffin Removal Truck with complete independent R&D and standardized manufacturing capabilities, fully compliant with API oilfield equipment safety specifications. Our dual-functional integrated design solves the pain points of scattered equipment, low efficiency and high cost of traditional separate wax removal and well flushing operations. The equipment adopts high-efficiency heating circulation system and high-stability hydraulic pumping unit, featuring fast heating speed, stable flushing pressure and thorough cleaning effect. With strong terrain adaptability and ultra-low failure rate, it meets long-term batch well maintenance demands of oilfield blocks. We provide one-stop full-process solutions including personalized scheme customization, standardized production, global safe transportation and on-site commissioning guidance, helping customers reduce daily maintenance costs, improve well operation stability and maximize comprehensive oilfield production benefits.

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