The half-axle suspension trailerized drilling floor is specifically engineered for harsh desert environments, with:
High-temperature operation capability up to 55°C
Sand-resistant seals and enclosures for all critical components
Heavy-duty suspension capable of handling rough terrain
Reliable performance under extreme dust and heat conditions
SJ Petro offers half-axle suspension trailerized drilling floors in multiple configurations to match different rig models and operational requirements. Below are the key specifications:
| Parameter | Specification |
|---|---|
| Suspension Type | Half-Axle Suspension (two-line configuration) |
| Axle Configuration | Two-Line Four-Axle (standard) |
| Total Mass (GVW) | 37,480 kg – 42,680 kg (depending on configuration) |
| Kingpin Load (Fifth Wheel) | 9,220 kg – 10,270 kg |
| Axle Load Distribution | Up to 28,260 kg (two-line four-axle) |
| Overall Dimensions (L×W×H) | 18,600 × 3,400 × 3,500 mm (typical) |
| Wheelbase | 11,440+ mm (multiple axle spacing) |
| Tire Specification | 295/75R22.5 (typical) |
| Drill Floor Structure | Parallelogram or telescopic lifting structure |
| Drill Floor Height | Working height customizable |
| Rotary Table Area | Integrated into drill floor body |
| Vertical Root Area | Integrated into drill floor body |
| Integrated Components | Driller's cabin, auxiliary equipment, BOPE, walkways, handrails, stairs, V-door, mouse hole, rat hole |
| Operating Temperature | Up to +55°C (desert configuration) |
| Rig-Up Method | Hydraulic self-erection – no crane required |
| Standards Compliance | API 4F, 7K, 8C, IEC |
The Half-Axle Suspension Trailerized Drilling Floor is deployed across a broad spectrum of oilfield operations where rapid rig mobility and minimal site preparation are critical:
Multi-Well Pad Operations – Rapid moves between wells on the same pad, maximizing rig utilization and minimizing non-productive time
Desert & Remote Locations – Ideal for Middle Eastern, North African, and other desert environments where road infrastructure is limited and temperatures are extreme
Workover & Well Servicing – Complete drilling floor integration for XJ series workover rigs (XJ450 through XJ1200)
Mobile Drilling Operations – Supports trailer-mounted drilling rigs for shallow-to-medium depth drilling
Offshore Platform Support – Skid-mounted trailer configurations for platform operations
Urban-Adjacent Fields – Reduced site footprint and faster rig-up/rig-down minimize disturbance to surrounding areas
International Export Markets – Proven performance in Kuwait, Oman, Iraq, and other Middle Eastern markets
SJ Petro offers the half-axle suspension trailerized drilling floor in multiple configurations to match various operational requirements:
1. Standard Two-Line Four-Axle Trailerized Drilling Floor – Complete integrated module for XJ series workover rigs, featuring half-axle suspension with driller's cabin, auxiliary equipment, and BOPE integration.
2. Desert Configuration Drilling Floor – Enhanced with high-temperature seals, sand-resistant enclosures, and heavy-duty half-axle suspension for 55°C desert operations.
3. Low-Temperature Configuration Drilling Floor – Engineered for arctic and sub-arctic operations with cold-weather materials and heating systems.
4. Parallelogram Substructure Drilling Floor – Foldable parallelogram structure that levels to the rotary table plane, complete with ladders, V-door, escape chute, walkways, and handrails.
5. Telescopic Substructure Drilling Floor – Two-body telescopic structure for easy hoisting and transport.
6. BigEasy Series Trailerized Drilling Floor – Developed in cooperation with LOADMASTER, featuring innovative trailer-mounted structure and fast transportation without a crane.
Every oilfield presents unique challenges, and SJ Petro's engineering team delivers tailored solutions through our comprehensive OEM and customization capabilities:
Custom Axle Configuration – Two-line four-axle is standard, with options for other half-axle configurations based on load requirements and road regulations.
Custom Dimensions – Drilling floor dimensions and height can be designed according to client requirements.
Drill Floor Height Options – Working height customizable based on operational needs.
Suspension Tuning – Half-axle suspension can be tuned for specific terrain conditions and load requirements.
Rotary Table Selection – Choose from various rotary table openings and configurations.
Integrated Equipment Packages – Full integration of driller’s cabin, auxiliary equipment, BOPE, and well control equipment.
Climate-Specific Engineering – Desert (55°C), low-temperature, and tropical configurations available.
Transport Compatibility – Customized to match your specific truck/tractor configuration and road transport regulations.
Turnkey System Integration – From drilling floor alone to complete rig packages with mast, drawworks, and power systems.
Pioneer in Trailerized Drilling Technology
SJ Petro has been at the forefront of trailerized drilling and workover equipment for decades. Our products are recognized with the "China Top Brand” title. We have developed world-first fast-moving modular drilling rigs and filled domestic gaps in full trailer-mounted drilling rigs.
Proven Middle East Track Record
SJ Petro's half-axle suspension trailerized drilling floors have been deployed in more than 10 units across Kuwait, Oman, and other Middle Eastern countries, demonstrating reliable desert operation and rapid rig relocation capability.
Complete In-House Manufacturing
As a Sinopec Group subsidiary and China's largest workover equipment manufacturer, SJ Petro maintains complete in-house design, manufacturing, and testing capabilities. We produce drilling rigs with depths ranging from 1,000m to 9,000m, suitable for operations in mountains, marshes, deserts, tidal flats, and extremely cold areas.
API-Certified Quality
SJ Petro holds API (American Petroleum Institute) certifications including API 4F, 7K, 8C, 6A, and 16C. Our designs and manufacturing processes comply with API, IEC, and other international general specifications.
Global Export Experience
Our trailerized drilling floors and workover rigs have been exported to more than 80 countries and regions worldwide, with customers including Sinopec, CNPC, CNOOC, ADNOC, Schlumberger, Halliburton, and Saudi Aramco.
One-Stop Solution Provider
Beyond manufacturing, we offer equipment inspection, testing, and major overhaul services. From initial design to field service and spare parts supply, SJ Petro delivers complete oil and gas exploration and production equipment solutions.
Q: What is a half-axle suspension trailerized drilling floor?
A: It is a fully integrated, road-transportable drilling floor module mounted on a half-axle suspension trailer system. The module includes the drill floor, driller's cabin, auxiliary equipment, and BOPE, enabling complete rig moves with superior load distribution and roadability.
Q: What does "half-axle suspension” mean?
A: Half-axle suspension refers to a specialized trailer suspension configuration where the drilling floor is supported by two lines of axles (typically four axles total). This design provides superior load distribution, enhanced roadability, and reduced ground pressure.
Q: What rig models is this drilling floor compatible with?
A: The half-axle suspension trailerized drilling floor is compatible with SJ Petro's XJ series workover rigs, typically XJ450 through XJ1200. Custom configurations are available for other rig models.
Q: Does the drilling floor require a crane for rig-up?
A: No. The trailerized drilling floor is designed for self-erection using hydraulic systems – no large crane assistance is required.
Q: What is the total mass of the drilling floor trailer?
A: The gross vehicle mass ranges from 37,480 kg to 42,680 kg depending on configuration and equipment.
Q: What is the maximum operating temperature?
A: The desert configuration is engineered for reliable operation up to 55°C.
Q: What is included in a typical drilling floor package?
A: A complete package includes the trailerized drilling floor module with driller's cabin, auxiliary equipment, BOPE integration, walkways, handrails, stairs, V-door, mouse hole, and rat hole.
Q: Are your products API certified?
A: Yes. SJ Petro holds API certifications including API 4F, 7K, 8C, 6A, and 16C. Our designs comply with API, IEC, and other international specifications.
Q: Do you offer OEM or customized solutions?
A: Absolutely. We offer comprehensive customization including axle configuration, drilling floor dimensions, drill floor height, rotary table selection, integrated equipment packages, and climate-specific engineering.
Q: What is your manufacturing capacity and lead time?
A: We have the largest workover equipment manufacturing base in China with comprehensive production capabilities. Lead times vary by configuration – contact our sales team for specific project timelines.
Q: Do you provide after-sales support and spare parts?
A: Yes. We offer comprehensive after-sales support including spare parts supply, equipment inspection, testing, and major overhaul services.
Q: Where has this drilling floor been deployed?
A: SJ Petro's half-axle suspension trailerized drilling floors have been deployed in more than 10 units across Kuwait, Oman, Iraq, and other Middle Eastern countries, as well as in various international markets.
Tag: Offshore Workover Rig | Offshore workover rig maintenance | Workover rig manufacturer | Truck mounted workover rig | Hydraulic workover rig
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