API 7K Trailer-Mounted Workover Rig | Mobile Well Servicing Unit

High-Efficiency, Rapid-Deployment Solution for Onshore Well Intervention

Our Trailer-Mounted Workover Rig is a highly mobile, self-contained well servicing unit designed specifically for onshore oil and gas operations. Engineered to provide rapid response for workover, completion, and heavy-duty well maintenance, this mobile rig is mounted on a heavy-duty multi-axle trailer chassis, allowing it to be easily transported between well sites via standard roadways.

Built with high-strength alloy steel and powered by reliable industrial diesel engines, our rigs strictly comply with API 7K (Drilling and Well Servicing Equipment), API 4F (Derricks and Masts), and API 8C (Hoisting Equipment) standards. Whether you require general well maintenance or deep-hole remedial work, our trailer-mounted rigs provide the durability, versatility, and operational efficiency modern oilfields demand.

Key Design Features & Operational Advantages

Exceptional Mobility & Rapid Rig-Up: Mounted on robust trailer chassis with multi-axles and pneumatic brakes. The mast utilizes a hydraulic telescoping or folding system, allowing the entire unit to be rigged up and ready to work within hours, drastically reducing mobilization costs and downtime.

High-Performance Power System: Equipped with heavy-duty diesel engines (featuring leading brands like Caterpillar or Cummins) paired with advanced mechanical or hydraulic power transmissions, delivering reliable torque and horsepower for heavy hoisting and rotary drilling operations.

Robust API-Certified Hoisting System: Features a heavy-duty API 8C certified traveling block, hook, and drawworks with an automatic or manual braking system. It ensures smooth and safe handling of drill pipes, tubing, and casing under high hook loads.

Intelligent Digital Control System: Integrated with an ergonomic, central-control operator's cabin featuring digital monitoring screens for real-time data on hook load, engine RPM, drilling depth, and torque, ensuring safer and more precise operation.

Safety & Environmental Compliance: Built with anti-slip walkways, emergency kill switches, mud tank warning systems, and full noise/vibration reduction measures to meet international HSE (Health, Safety, and Environment) requirements.

Complete Auxiliary Support: The rig package includes a full complement of equipment, including a rotary table, mud pumps, mud tanks, solids control system, hydraulic power tongs, and generator sets for a totally independent operation.

Main Technical Specifications

(Note: Our trailer-mounted workover rigs are fully customizable to your specific well depth and operating requirements. Typical parameters are listed below.)

Primary Industrial Applications

Our mobile trailer workover rigs serve as the backbone for critical onshore petroleum engineering services, including:

Well Workover & Remedial Operations: Including sand washing, paraffin removal, and chemical injection.

Well Completion & Perforating: Running tubing, packers, and downhole completion tools.

Deep Well Maintenance & Sidetracking: Performing intermediate and deep well repair tasks.

Highly Efficient Swabbing & Acidizing: Facilitating rapid fluid treatments and production stimulation.

Why Choose Our Mobile Rigs?

Cost-Effective Mobility: Eliminates the exorbitant costs of trucking heavy crane and mast components separately; the entire rig moves as a single tractor-trailer unit.

Total Turnkey Solution: We supply the drilling rig, circulation system, power generator, and all necessary blowout preventer (BOP) and wellhead tools.

Global After-Sales Support: We provide comprehensive technical documentation, on-site commissioning support, and a global supply chain for authentic spare parts.

Get a Detailed Quotation Today
Whether you are replacing an aging rig or expanding your fleet, our team of petroleum engineers can help tailor the exact mast height, horsepower, and mud circulation system to your local geological conditions. Contact us now to discuss your requirements and receive a customized technical proposal.