ZJ 30（750hp）CZ Truck-Mounted Drilling Rigs（Workover depth: 6,500 meters）

Mobile Drilling and Workover Rig for Onshore Projects
The ZJ30 CZ 750HP truck-mounted drilling rig is a mobile land drilling rig designed for onshore oil, gas, geothermal and workover operations. According to the original product specification, the RL-CZ30 rig is suitable for drilling depths up to 3,000 meters and workover depths up to 6,500 meters, subject to drill pipe size, well program and actual operating conditions.

Compared with skid-mounted rigs, the truck-mounted structure provides faster movement between well sites and better mobility for contractors who need frequent relocation. The main rig equipment is integrated on a reinforced chassis, helping reduce installation time and improve field operation efficiency.

The rig can be supplied according to the customer's drilling depth, workover requirement, site condition, chassis requirement, mud circulation requirement, well control requirement and destination logistics.

The ZJ30 CZ truck-mounted drilling rig is developed for customers who require both drilling capability and mobility. The rig integrates the drawworks, mast, rotary table, power transmission system and rig-floor equipment with a truck-mounted chassis, making it suitable for oilfield service companies, drilling contractors and workover teams working across multiple well sites.

The dual-engine power arrangement allows the rig to operate with two independent diesel engines that can work separately or in parallel. This design improves operational flexibility and helps simplify maintenance planning in field conditions.

The original product page also highlights several key features, including Allison hydraulic transmissions, a reinforced 14 x 8 chassis, pneumatic rear suspension, a water-cooled disc auxiliary brake, optional top drive and a foldable drill floor with optional driller cabin.

The ZJ30 CZ 750HP truck-mounted drilling rig is suitable for projects where mobility, moderate drilling depth and rapid site transfer are important.

• Onshore oil well drilling
• Natural gas well drilling
• Workover operations
• Geothermal drilling projects
• Coalbed methane projects
• Water well and engineering drilling applications where configuration is suitable
• Oilfield service projects requiring fast mobilization
• Remote well sites where truck-mounted mobility is preferred
• Projects requiring reduced rig-up and relocation time

Before quotation, the configuration should be reviewed according to the required drilling depth, workover depth, pipe size, wellhead arrangement, mud pump requirement, road condition, site access, local maintenance capability and destination logistics.

The following specifications are based on the source product page and are for general website reference. Final parameters shall be confirmed according to the selected configuration, project specification and contract.

Truck-Mounted Chassis
The reinforced 14 x 8 chassis is designed to support the main rig equipment and improve mobility between well sites. The rear dual-wheel driven axle with pneumatic suspension helps improve load distribution and cross-country performance.
 

Power and Transmission System
The rig is powered by two independent diesel engines. The engines can operate separately or in parallel, helping improve operational safety, flexibility and maintenance convenience. The original configuration uses CAT3406C engines and ALLISON-S5600 hydraulic transmission boxes.
 

Drawworks System
The drawworks provides the main hoisting function of the rig. According to the source page, the drawworks has 750HP rated power, 5 forward gears and 1 reverse gear. The main brake is a band brake, while a hydraulic disc brake can be evaluated as an option. The auxiliary brake is a WCB324 disc brake.
 

Mast and Drill Floor
The rig can be equipped with a 36 m or 38 m bimodal stretchable mast. The foldable drill floor helps improve transportation convenience and site rig-up efficiency. A 5.5 m or 6 m foldable drill floor and integrated driller cabin can be evaluated according to the project requirements.
 

Rotary and Traveling System
The standard source configuration includes a ZP205 rotary table, YG170 block hook and SL225 swivel. These components should be confirmed according to the required drilling depth, hook load, pipe size and final drilling program.
 

Optional Top Drive
A top-drive system can be evaluated as an optional upgrade when the customer requires higher operational efficiency, improved drilling control or specific drilling process requirements. The final top-drive selection should match the rig capacity and project conditions.

• Whether the drilling depth and workover depth match the customer's well program
• Whether the truck chassis can meet local road and site access conditions
• Whether the dual-engine system is suitable for local operation and maintenance
• Whether the mast height, drill floor height and hook load are sufficient for the planned operation
• Whether the drawworks brake system meets safety and operating requirements
• Whether mud pump and well control equipment are included or need to be quoted separately
• Whether the optional top drive is required
• Whether the rig can be inspected before shipment
• Whether spare parts, manuals and technical documents are available
• Whether warranty terms are clearly defined before contract signing
• Whether transportation dimensions, weight and packing requirements can be provided
• Whether real photos, videos and loading records are available for review

For truck-mounted drilling rigs, real photos and videos are important for customer evaluation. They help buyers understand the actual equipment layout, chassis structure, mast arrangement, drawworks condition, control area and transportation status before making a purchasing decision.

According to project availability, the following materials can be provided:

• Real equipment photos
• Chassis and mast structure photos
• Drawworks and brake system photos
• Rotary table and drill floor photos
• Factory inspection photos
• Function testing videos
• Loading and transport videos
• Field assembly or operation records, where available

Rongli is engaged in the supply and integration of drilling rigs, mud pumps and oilfield drilling equipment. Our team supports customers with equipment selection, configuration review, technical documentation, factory inspection, export preparation and after-sales support.

For truck-mounted drilling rig projects, we focus not only on supplying a rig, but also on helping customers match the equipment with the required well depth, workover depth, site mobility, road condition, drilling program, maintenance capability and transportation plan.

• Rig model selection
• Configuration review
• Chassis and mobility evaluation
• Mud pump and auxiliary equipment matching
• Well control equipment coordination
• Technical document preparation
• Factory inspection support
• Export packing and loading support
• Spare parts recommendation
• After-sales technical support

The ZJ30 CZ truck-mounted drilling rig can be configured according to different drilling programs, workover requirements and site conditions. The final configuration may be adjusted according to required depth, chassis requirements, power system, brake system, mud circulation system, well control pressure rating and transportation limitations.

• Mast height selection
• Drill floor height and layout
• Main brake configuration
• Emergency power source option
• Top-drive option
• Mud pump package
• Well control package
• Driller cabin option
• Painting color and customer logo
• Spare parts package
• Technical documentation package
• Export packing method

All customization items should be confirmed during the technical proposal stage.

Warranty terms are defined according to the final equipment scope and contract. For new equipment, the warranty normally covers manufacturing defects within the agreed warranty period.
Our after-sales support may include:

• Remote technical support
• Video guidance
• Operation manuals
• Maintenance manuals
• Recommended spare parts list
• Spare parts supply
• Installation guidance
• Commissioning support
• Operator training, when agreed in the contract
• Technical support during equipment start-up

Consumable parts, improper operation, poor maintenance, unauthorized modification, third-party parts and damage caused by incorrect use are normally excluded from standard warranty coverage.

The ZJ30 CZ truck-mounted drilling rig is designed for mobile operation and transportation. According to the source page, the transport dimension including the mast is approximately 21.25 x 3.3 x 4.47 m, and the total weight is approximately 76,000 kg. Final transportation data shall be confirmed according to the actual configuration.

We can support customers with:

• Export packing
• Cargo split planning
• Estimated weight and volume
• Packing list preparation
• Factory loading arrangement
• Inland transportation to Chinese port
• FOB, CFR or CIF shipment support
• Loading photos and videos before shipment
• Export documentation according to contract requirements

The final shipping plan is prepared after the equipment scope, destination port and packing requirements are confirmed.

Inspection requirements should be defined according to the equipment scope and project requirements.

• Visual inspection
• Dimensional inspection
• Chassis inspection
• Mast and drill floor inspection
• Drawworks inspection
• Brake system inspection
• Transmission system inspection
• Electrical system inspection
• Function testing
• Assembly inspection
• Pre-shipment inspection
• Third-party inspection, where required

Documentation can be supplied according to the actual equipment scope, manufacturer and contractual requirements.

Real project records help customers understand our equipment supply capability, export experience and project execution process. Selected project cases, delivery records and inspection photos can be provided for reference.

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To prepare an accurate technical and commercial proposal, please provide the following information:
1. Required drilling depth
2. Required workover depth
3. Well type and project application
4. Drill pipe or tubing size
5. Required hook load
6. Road and site access conditions
7. Preferred chassis or mobility requirements
8. Mud pump requirements
9. Required BOP pressure rating
10. High-pressure manifold requirements
11. Local power and fuel conditions
12. Ambient temperature and site conditions
13. Destination port
14. Required delivery time
15. Required inspection standard
16. Any customer-specific technical specification

Send us your drilling program, required drilling depth, workover depth, pipe size, site conditions, well control requirements and destination port.
Our team will review your project requirements and prepare a suitable ZJ30 CZ 750HP truck-mounted drilling rig proposal.

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