Series Compact Workover Rig Package

Technical Specifications

SJ Petro offers a complete range of compact workover rig packages covering hook loads from 400 kN to 1,800 kN and workover depths from 2,000 m to 9,000 m. Below are the key specifications for our series:

Model	XJ250	XJ350	XJ450	XJ550	XJ650	XJ1000	XJ1200
Rated Hook Load	400 kN	600 kN	800 kN	1,000 kN	1,200 kN	1,500 kN	1,800 kN
Max. Static Hook Load	675 kN	900 kN	1,125 kN	1,350 kN	1,470 kN	1,800 kN	2,250 kN
Workover Depth (2-7/8″ DP)	2,000 m	3,200 m	4,500 m	5,800 m	7,000 m	8,000 m	9,000 m
Workover Depth (3-1/2″ DP)	—	2,500 m	3,500 m	4,500 m	5,500 m	6,500 m	7,500 m
Drawworks Horsepower	250 hp	350 hp	450 hp	550 hp	650 hp	750 hp	1,000 hp
Mast Height	21 m	31.7 m	34 m	34 m	35 m	38 m	39.3 m
Rig Floor Height	2.2 m	3.7 m	3.7 m	4.5 m	4.5 m	6 m	6.7 m
Travelling System	3×4	3×4	4×5	4×5	4×5	5×6	5×6
Carrier Drive Type	6×6	10×8	10×8	10×8	12×8	14×8	14×10
Wireline Diameter	φ22 mm	φ26 mm	φ26 mm	φ26 mm	φ29 mm	φ29 mm	φ32 mm

Package Components (Standard):

Component	Description
Main Rig	Mast, drawworks, power system, transmission, control system on carrier
Substructure	Low-profile design for compact footprint
Hydraulic Jack Unit	For rig leveling and stability
Tool House	Onboard storage for tools and equipment
Control Basket	Ergonomic driller's control station
Tubing Basket	Storage for tubular goods
BOPE	Blowout prevention equipment
Fluid Tanks	Integrated fluid storage
High-Pressure Pumps	For circulation and pumping operations
Work String	Tubing and associated equipment

Applications

SJ Petro's Series Compact Workover Rig Packages are deployed across a broad spectrum of oilfield operations:

• Space-Constrained Wellsites – Urban-adjacent fields, pad-drilling sites, and locations with limited real estate

• Offshore Platform Operations – Skid-mounted configurations for fixed platforms and jack-up rigs with limited deck space

• Multi-Well Pad Operations – Rapid mobilization between wells with compact footprint enabling multiple rigs on a single pad

• Light to Medium Workover Operations – Sand flushing, pump inspection, paraffin removal, fishing, and tubing/downhole tool replacement

• Well Servicing & Maintenance – Routine maintenance, tubing replacement, and pump repairs for production wells

• Oil Testing & Fishing – Precision retrieval of downhole tools and equipment

• Shallow-to-Medium Depth Drilling – When equipped with rotary table, the rig can perform mobile drilling operations

• Remote & Challenging Locations – Compact package enables transport to locations inaccessible to larger rigs

Product Types

SJ Petro offers a comprehensive range of compact workover rig package configurations:

1. Truck-Mounted Compact Workover Rig Package – Self-propelled configuration with power system, drawworks, mast, and control system all mounted on a heavy-duty carrier chassis. Available with 6×6 through 14×10 drive configurations.

2. Trailer-Mounted Compact Workover Rig Package – Towable configuration ideal for short-distance moves and operations in locations with road access limitations.

3. Skid-Mounted Compact Workover Rig Package – Designed for offshore platforms and fixed installations, featuring modular skid construction and hydraulic movement systems for cluster well operations.

4. Dual-Purpose Drilling & Workover Compact Package – Equipped with rotary table and swivel for both workover and shallow-to-medium depth drilling operations.

5. Single Drum Compact Workover Rig Package – Standard configuration with 6×6 or 8×8 chassis for light to medium workover operations.

6. Double Drum Compact Workover Rig Package – Enhanced configuration with 10×8 chassis for more demanding operations requiring sand line capability.

7. Electric Drive Compact Workover Rig Package – Lower emissions and reduced operating costs for environmentally sensitive areas.

8. Specialized Configuration Compact Package – Available in desert, low-temperature, and offshore configurations.

OEM & Customization Solutions

Every oilfield presents unique challenges, and SJ Petro's engineering team delivers tailored solutions through our comprehensive OEM and customization capabilities:

• Customized Package Configuration – We design the complete package—including main rig, substructure, BOPE, fluid tanks, pumps, and auxiliary equipment—to match your specific operational requirements.

• Custom Chassis & Mobility – We adapt chassis specifications and drive configurations (6×6 through 14×10) to suit your specific terrain and transport requirements.

• Mast Height Options – Choose mast heights from 21m to 39.3m based on your depth and rig-up clearance requirements.

• Drum Configuration – Select single drum or double drum configurations based on your operational needs.

• Power System Selection – Choose from diesel (Caterpillar, Detroit Diesel), electric, or dual-drive configurations.

• Transmission Options – Allison transmissions standard, with other options available.

• Well Control Integration – Complete BOPE packages integrated with the rig control system.

• Climate-Specific Engineering – We offer specialized configurations for desert, arctic (-45°C), tropical (+50°C), and offshore environments.

• Turnkey System Integration – From basic workover units to fully integrated packages with complete well control, fluid management, and solids control systems.

• Spare Parts & Aftermarket Support – All supporting equipment and spare parts are available separately, ensuring long-term maintainability.

Why Choose SJ Petro?

Compact Design Expertise

SJ Petro has been designing and manufacturing compact workover rig packages for over four decades. Our rational arrangement, compact structure, and excellent transportability have made our compact packages the preferred choice for operators worldwide.

Proven Track Record – 2,600+ Rigs Manufactured

Since developing China's first domestically manufactured workover rig in the 1980s, SJ Petro has produced over 2,600 workover rigs of all types. We have built the largest workover equipment manufacturing base in China with a 50,000 m² rig assembly yard and 24 rig-up positions.

Complete Package Capability

Unlike manufacturers who only supply the main rig, SJ Petro delivers complete, ready-to-operate packages including all auxiliary equipment—substructure, hydraulic jacks, tool house, control basket, tubing basket, BOPE, fluid tanks, high-pressure pumps, and work string. This one-stop approach eliminates the headaches of sourcing components from multiple suppliers.

Industry-Leading R&D Capability

Our Hubei provincial-certified technical center employs 314 dedicated R&D professionals across three research institutes. We have mastered key technologies including compact rig design, rapid rig-up systems, and integrated package engineering.

Rigorous Quality Certifications

SJ Petro holds API (American Petroleum Institute) , ISO9001 , and HSE management system certifications. Our designs and manufacturing processes comply with API Spec Q1, 4F, 7K, 8C, and RP500 standards.

Global Deployment

Our compact workover rig packages have been deployed across China's major oilfields and exported to more than 30 countries and regions worldwide, including the United States, Indonesia, Malaysia, South America, Western Africa, and the Middle East.

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.

Top-Tier Industry Recognition

Ranked among China's Top 10 Petroleum Drilling and Production Equipment Manufacturers and rated AAA by China Petrochemical Industry and banks.

Frequently Asked Questions

Q: What is a compact workover rig package?

A: It is a complete, integrated well servicing solution where all components—mast, drawworks, power system, transmission, control system, substructure, BOPE, fluid tanks, pumps, and auxiliary equipment—are organized into a compact, rationally arranged package that minimizes wellsite footprint while maintaining full operational capability.

Q: What are the advantages of a compact package over a conventional rig?

A: The compact package offers smaller footprint, faster rig-up and rig-down, superior transportability, and reduced site preparation requirements. It is ideal for space-constrained locations, multi-well pad operations, and frequent rig moves.

Q: What is the maximum workover depth?

A: Our compact workover rig packages cover workover depths from 2,000 m to 9,000 m with 2-7/8″ drill pipe, depending on the model.

Q: What is the maximum hook load?

A: The series covers rated hook loads from 400 kN to 1,800 kN with maximum static hook loads up to 2,250 kN.

Q: What power options are available?

A: We offer diesel engine drive (Caterpillar, Detroit Diesel), electric drive, and dual-drive configurations.

Q: Can the compact rig perform drilling operations?

A: Yes. When equipped with a rotary table, swivel, and drilling tools, the rig can perform as a mobile drilling unit for shallow-to-medium depth wells—up to 1,500 m.

Q: What is included in a typical compact workover rig package?

A: A complete package includes the main rig (mast, drawworks, power system, transmission, control system), substructure, hydraulic jack unit, tool house, control basket, tubing basket, BOPE, fluid tanks, high-pressure pumps, and work string.

Q: What transmission options are available?

A: Allison transmissions are standard, with other options available based on your specific requirements.

Q: Are your products API certified?

A: Yes. SJ Petro holds API, ISO9001 , and HSE management system certifications. Our rigs are designed and manufactured in compliance with API Spec Q1, 4F, 7K, 8C, and RP500 standards.

Q: Do you offer OEM or customized solutions?

A: Absolutely. We offer comprehensive customization including package configuration, chassis specifications, mast height, drum configuration, power system, transmission, well control integration, and climate-specific engineering.

Q: What is the operating temperature range?

A: Our compact workover rig packages operate reliably from -45°C to +50°C.

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: What specialized configurations are available?

A: We offer specialized configurations including desert workover rigs, low-temperature workover rigs, and offshore skid-mounted workover rigs.

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