Products
Drilling Rig Series
Technical Specifications
SJ Petro offers a complete line of drilling rigs covering drilling depths from 1,000m to 9,000m. Below are the key specifications for our core models:
| Model | Drilling Depth (4-1/2″ DP) | Max. Hook Load | Drive Type | Mounting |
|---|---|---|---|---|
| ZJ10 | 1,000m (3,280 ft) | 900 kN | Diesel | Truck-mounted |
| ZJ15 | 1,500m (4,920 ft) | 1,350 kN | Diesel | Truck/Trailer |
| ZJ20 | 2,000m (6,560 ft) | 1,580 kN | Diesel | Truck/Trailer |
| ZJ30 | 3,000m (9,840 ft) | 1,800 kN | Diesel/Electric | Truck/Trailer |
| ZJ40 | 4,000m (13,120 ft) | 2,250 kN | Diesel/Electric | Truck |
| ZJ50 | 5,000m (16,400 ft) | 3,150 kN | Diesel/Electric | Modular |
| ZJ70 | 7,000m (22,960 ft) | 4,500 kN | Diesel/Electric | Modular |
| ZJ80 | 8,000m (26,240 ft) | 6,750 kN | Diesel/Electric | Modular |
| ZJ90 | 9,000m (29,520 ft) | 6,750 kN | Diesel/Electric | Modular |
ZJ40 Truck-Mounted Drilling Rig – Detailed Specifications:
| Parameter | Specification |
|---|---|
| Drilling Depth | 4,000m (9,840ft, 4-1/2″ DP) |
| Max. Hook Load | 2,250 kN |
| Engine | 2×CAT C18, 630 hp each |
| Transmission | 2×Allison M6620AR |
| Carrier Drive | 14×10 |
| Traveling System | 6×5 |
| Wireline Diameter | Φ32mm |
| Racking Board Height | 24m (79ft) |
| Overall Dimensions | 22.2 × 3.1 × 3m |
| Weight | 76,000kg |
| Max. Travel Speed | 45km/h |
XJ Series Drilling & Workover Rigs – Detailed Specifications:
| Model | Workover Depth (2-7/8″ DP) | Max. Hook Load | Engine | Carrier Drive |
|---|---|---|---|---|
| XJ250 | 2,000m | 675 kN | CAT C9 | 6×4 |
| XJ350 | 3,200m | 900 kN | CAT C13 | 10×8 |
| XJ450 | 4,500m | 1,125 kN | CAT C13 | 10×8 |
| XJ550 | 5,800m | 1,350 kN | CAT C15 | 10×8 |
| XJ650 | 7,000m | 1,470 kN | CAT C18 | 12×8 |
| XJ750 | 8,000m | 1,800 kN | CAT C18 | 14×8 |
| XJ1000 | 8,000m | 1,800 kN | 2×CAT | 14×8 |
| XJ1200 | 9,000m | 2,250 kN | 2×CAT | 14×10 |
Big Easy Series (BE) – Detailed Specifications:
| Parameter | BE550 (ZJ40D) | BE770 (ZJ50D) |
|---|---|---|
| Drilling Depth (4-1/2″ DP) | 4,000m (13,120 ft) | 5,000m (16,400 ft) |
| Max. Hook Load | 2,450 kN (550,000 lbs) | 3,430 kN (770,000 lbs) |
| Drive Type | AC VFD | AC VFD |
| Mounting | Trailer-mounted | Trailer-mounted |
| Mast Type | Three-section telescopic | Three-section telescopic |
| Installation | No crane required | No crane required |
| Transport | 6 trailers | 6 trailers |
Offshore Drilling Rigs – Detailed Specifications:
| Model | Max. Hook Load | Drawworks Power | Platform Type |
|---|---|---|---|
| SJF180DB | 1,800 kN | 550 kW (750 hp) | Fixed Platform |
| SJF225DB | 2,250 kN | 735 kW (1,000 hp) | Fixed Platform |
| SJF315DB | 3,150 kN | 1,100 kW (1,500 hp) | Fixed Platform |
| SJF450DB | 4,500 kN | 1,470 kW (2,000 hp) | Fixed Platform |
| SJK450DB | 4,500 kN | 1,470 kW (2,000 hp) | Jack-up |
| SJK675DB | 6,750 kN | 2,200 kW (3,000 hp) | Jack-up |
| SJK900DB | 9,000 kN | 4,413 kW (6,000 hp) | Jack-up |
Applications
SJ Petro's drilling equipment is deployed across a broad spectrum of oilfield operations:
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Oil & Gas Well Drilling – Complete drilling operations for oil and gas wells from 1,000m to 9,000m depth
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Coalbed Methane (CBM) Well Drilling – Specialized 2,000m hydraulic drilling rigs for CBM development
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Cluster Well Drilling – Suitable for cluster well drilling operations in land and offshore environments
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Workover & Drilling Dual-Purpose Operations – XJ series rigs equipped with rotary table, swivel and drilling tools can perform as mobile drilling rigs
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Desert Operations – Full trailerized desert rigs and 2,000m truck/trailer-mounted rigs for desert environments
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Arctic Operations – Low-temperature 5,000m wheel-rail rigs for extreme cold conditions
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Mountain, Jungle & Island Operations – Helicopter-transportable 3,000m rigs with lightweight modules
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Swamp & Tidal Flat Operations – Specialized configurations for challenging terrain
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Offshore Platform Operations – Fixed platform and jack-up drilling rigs for offshore deployment
Product Types
SJ Petro offers drilling equipment in a comprehensive range of configurations:
By Mounting Configuration:
1. Truck-Mounted Drilling Rigs (ZJ Series) – Self-propelled on heavy-duty chassis, powered by Caterpillar engines with Allison transmissions. Models include ZJ10CZ through ZJ40CZ.
2. Trailer-Mounted Drilling Rigs – Towable configurations for flexible deployment. Models include SZJ15TZ through SZJ40TZ.
3. Modularized Drilling Rigs – Optimized for transport and rapid assembly. Available from ZJ16 through ZJ90 series.
4. Big Easy Drilling Rigs (BE550, BE770) – New conceptual AC VFD drilling rigs featuring special module, trailer-mounted structure and fast transportation without a crane.
5. Helicopter-Transportable Drilling Rigs – Lightweight modules for mountain, jungle, and island operations.
6. Special Drilling Rigs – Including arctic rigs, wheel-rail rigs, and desert rigs.
By Power Configuration:
7. Diesel-Driven Drilling Rigs – CAT engines with Allison hydraulic transmissions.
8. Electric-Driven Drilling Rigs – AC VFD, DC drive, and SCR control.
9. Combined Power Drilling Rigs – Flexible hybrid operation.
By Application:
10. Oil & Gas Drilling Rigs – Complete range from 1,000m to 9,000m.
11. CBM Drilling Rigs – 2,000m hydraulic drilling rigs for coalbed methane development.
12. Drilling & Workover Rigs (XJ Series) – Dual-purpose rigs for both drilling and workover operations.
13. Offshore Drilling Rigs – Fixed platform and jack-up drilling rigs for offshore deployment.
OEM & Customization Solutions
Every operation presents unique challenges, and SJ Petro's engineering team delivers tailored solutions through comprehensive OEM and customization capabilities:
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Custom Configuration – Choose truck-mounted, trailer-mounted, modularized, or special configurations based on your operational requirements and site constraints
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Drilling Depth Optimization – Select from 1,000m to 9,000m drilling depth based on your well requirements
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Power System Selection – Choose from diesel, electric (AC VFD/DC/SCR), or combined power configurations
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Engine and Transmission – Select from CAT C9, C13, C15, C18, or dual-engine configurations with Allison transmissions
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Climate Engineering – Customize for desert, arctic, mountain, jungle, swamp, or tropical conditions
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Mast Height Options – Choose mast heights based on your operational requirements
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Drawworks Configuration – Single-shaft or multi-shaft drawworks with band or hydraulic disc brakes
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Rotary Table Integration – Complete rotary system for drilling operations
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Helicopter-Transportable Design – Single module maximum weight of 2.7/4/10 tons for mountain, jungle, and island operations
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Well Control Integration – Complete BOPE packages integrated with the rig control system
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Solid Control Integration – Complete mud circulating equipment and purification systems
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Turnkey System Integration – From basic drilling units to fully integrated packages with complete well control and solids control systems
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Certification – Arrange API, DNV, ABS, GOST, RTN, or other certifications for international or offshore operations
Why Choose SJ Petro?
World's Famous Manufacturing Base
SJ Petro is the world’s famous manufacturing base for petroleum drilling and production equipment. As one of China Top 500 manufacturers, we rank 2nd on the list of China Top 10 Petroleum Drilling and Production Equipment Manufacturers and are rated AAA by China Petrochemical Industry and Banks.
Over 40 Years of Drilling Equipment Expertise
SJ Petro has been manufacturing petroleum drilling and production equipment since the end of the 1970s. We have accumulated leading research and development strength and comparative advantage at home and abroad. Our Technical Center is a National Enterprise Technology Center with 314 persons dedicated to product development and process research.
Complete In-House Manufacturing
SJ Petro has a complete production facility including welding, forging, casting, riveting, heat-treatment, machining, assembling and commissioning, and post-treatment, with more than 2,100 sets of precision equipment. We have established seven production lines and three assembly lines for drilling rigs, workover rigs and cementing and fracturing equipment.
Annual Production Capacity:
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30 modular drilling rigs
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200 truck-mounted drilling & workover rigs
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300 cementing & fracturing equipment
50,000 m² Rig Assembly Yard
SJ Petro possesses a rig assembly yard covering an area of 50,000 square meters, with 24 positions for rigging-up and two offshore rig commissioning sites (four rig positions), where a test of 750 tons can be performed and 12 drilling or workover rigs can be assembled and commissioned simultaneously.
API-Certified Quality
SJ Petro holds API, ISO9001 , and HSE management system certifications. We are authorized to use API monograms on products under API 4F, 7K, 8C, 6A and 16C. ZJ10, ZJ15, ZJ20, ZJ30, and ZJ40 series drilling rigs have been certified with Russian GOST and RTN certificates. Our manufacturing process can be supervised by customers and certified by any third party inspectors.
Industry-Leading Innovation
SJ Petro has completed DNC, OA and CAD/CAPP/PDM/ERP industrial information systems. We have multiple intellectual properties and have successfully developed many core equipment and tools. Our drilling rigs have been awarded as "China Top Brand” .
Proven Global Track Record
SJ Petro drilling rigs have been deployed in more than 10 countries worldwide, including the Middle East, the Arctic Circle, Indonesia, and the United States. Recent deliveries of deep well drilling machines to Kuwait mark a breakthrough into the Middle East's high-end market.
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.
Frequently Asked Questions
Q: What is the drilling depth range of SJ Petro drilling rigs?
A: SJ Petro offers drilling rigs covering drilling depths from 1,000m to 9,000m. We also offer CBM drilling rigs up to 2,000m.
Q: What mounting configurations are available?
A: SJ Petro drilling rigs are available in truck-mounted, trailer-mounted, modularized, Big Easy, helicopter-transportable, and special configurations.
Q: What power options are available?
A: We offer diesel engine drive (Caterpillar engines with Allison transmissions), electric drive (AC VFD, DC drive, SCR control), and combined power packs.
Q: What is the Big Easy drilling rig?
A: The Big Easy rig (BE550 and BE770) is a new conceptual AC VFD drilling rig jointly developed by SJ and LOADMASTER, featuring special module, trailer-mounted structure and fast transportation without a crane.
Q: What is the maximum hook load of SJ Petro drilling rigs?
A: SJ Petro drilling rigs cover maximum static hook loads from 900 kN to 6,750 kN.
Q: Can SJ Petro drilling rigs operate in extreme environments?
A: Yes. SJ Petro offers specialized configurations for desert, arctic, mountain, jungle, swamp, tidal flat, and offshore operations.
Q: Are SJ Petro products API certified?
A: Yes. SJ Petro holds API, ISO9001 , and HSE management system certifications. We are authorized to use API monograms on products under API 4F, 7K, 8C, 6A and 16C. ZJ series rigs also hold Russian GOST and RTN certificates.
Q: Can the XJ series drilling & workover rig perform drilling operations?
A: Yes. When equipped with a rotary table, swivel and drilling tools, XJ series rigs can perform as mobile drilling rigs.
Q: What is the helicopter-transportable drilling rig?
A: The helicopter-transportable rig features single module maximum weight of 2.7/4/10 tons, suitable for mountain, jungle, and island operations where road access is limited.
Q: Do you offer OEM or customized solutions?
A: Absolutely. We offer comprehensive customization including mounting configuration, drilling depth, power system, climate engineering, mast height, drawworks configuration, and turnkey system integration.
Q: What is the size of your rig assembly yard?
A: SJ Petro possesses a rig assembly yard covering an area of 50,000 square meters with 24 positions for rigging-up.
Q: What is your manufacturing capacity for drilling rigs?
A: SJ Petro produces 30 modular drilling rigs and 200 truck-mounted drilling & workover rigs annually.
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.
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