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750HP Workover Rig

The 750HP Workover Rig is a new-generation ultra-large ultra-heavy-duty truck-mounted workover unit, serving as a comprehensive performance upgrade over the 650HP model and a top-grade deep & ultra-deep well operation equipment in the full product lineup. Adopting industrial 750HP high-torque diesel power assembly and optimized 14×8 heavy-duty all-terrain self-propelled chassis, this rig delivers surging power output, industry-leading 2000kN super heavy-load lifting capacity and excellent cross-country mobility, breaking the super-deep heavy-load operation limits of conventional 650HP flagship rigs. Equipped with a 36m high-strength double-section hydraulic telescopic lattice mast and upgraded 6×7 ultra-heavy-load hoisting system, it stably supports 8000m super-deep well workover with 2-7/8'' drill pipe and maximum 9000m ultra-deep well service with standard tubing, fully covering extreme heavy-load, ultra-high-pressure and super-high-difficulty downhole working conditions that 650HP rigs cannot handle. Featuring fully modular integrated layout, mature heavy-duty professional transmission system and upgraded closed-loop intelligent hydraulic control logic, the whole machine strictly complies with API 4F, API 7K and global petroleum machinery industry standards. It is specially deployed for national key oilfield super-deep well refined maintenance, ultra-deep reservoir extreme heavy overhaul, ultra-high-pressure wellbore remediation and long-cycle ultra-high-intensity large-scale cluster operation projects, delivering industry-top heavy-load stability, ultimate extreme condition adaptability and optimal long-term comprehensive cost-effectiveness.

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Core advantages

Designed around the operating requirement.

750HP Ultra-High-Torque Professional Power System

Configured with industrial high-power diesel power unit and matched heavy-duty customized transmission assembly, outputting stable 750HP (552kW) rated power with massive low-speed torque reserve. Compared with 650HP rigs, it features full-range abundant power surplus, ultra-sensitive hoisting response and 24-hour uninterrupted full-load stable operation, completely meeting the ultra-stringent power demands of 8000m super-deep well extreme heavy overhaul, ultra-high-pressure downhole operation and high-resistance super-complex wellbore treatment in key oilfield projects.

2000kN Ultra-Large Heavy-Lift Performance

Adopts upgraded 6×7 multi-rope ultra-heavy-load travelling system and integral fully forged thickened high-strength alloy load-bearing components, with a certified maximum static hook load of 2000kN and rated hook load of 1600kN. Equipped with high-efficiency air-controlled disc auxiliary brake, intelligent anti-collision safety device and multi-level load protection system, it perfectly copes with extreme heavy-load working conditions including super-large-scale ultra-deep casing integral replacement, extra-thick severe wax blockage remediation, complex deep stuck pipe batch salvage and super-deep well ultra-heavy tripping operations, fully adapting to ultra-high-intensity super-deep well overhaul scenarios of national strategic core oilfields.

Optimized 14×8 All-Terrain Super-Heavy Chassis

Equipped with upgraded industry-certified 14×8 ultra-heavy self-propelled drive chassis with luxury heat-preservation cab and intelligent constant-temperature heating system, featuring ultimate bearing capacity, enhanced cross-country trafficability and flexible steering performance. It supports rapid integral cross-well and cross-region long-distance relocation without auxiliary hoisting and transportation equipment, adapting to mountainous, muddy, desert, Gobi and high-altitude frozen soil ultra-complex road conditions for large-scale super-deep well cluster operations.

Intelligent Integrated Compact Modular Layout

Scientifically and centrally integrates high-power drive, heavy-load hydraulic, ultra-heavy hoisting and intelligent electric control modules with standardized compact layout, effectively saving on-site construction space and improving adaptability to narrow and extreme operation sites. Equipped with full-automatic hydraulic telescopic mast erecting/folding system and humanized integrated intelligent operation platform, it simplifies complex operation procedures, reduces manual labor intensity and greatly improves overall construction efficiency and multi-level redundant operational safety.

Supreme Industrial Reliability & Low Lifecycle Maintenance

Adopts world-renowned brand core transmission and control components, paired with fully reinforced optimized heavy-duty mechanical structure, ensuring ultra-stable operating performance and ultra-low failure rate under long-term ultra-heavy-load cyclic operation. Universal standardized vulnerable parts configuration and global standardized maintenance channels simplify daily inspection and upkeep, significantly reducing long-term operation and spare parts investment for large-scale super-deep well maintenance projects.

Ultimate Global Extreme Environment Adaptability

Equipped with oversized high-efficiency circulating heat dissipation system, upgraded thickened wear-resistant and dust-proof structure and full-coverage military-grade anti-corrosion, low-temperature and weather-resistant coating. It stably operates within -40℃ ~ +55℃, adapting to year-round uninterrupted full-load operation in high-altitude severe cold plateaus, high-temperature arid deserts, drought Gobi areas and rugged hilly mountainous regions, covering all global ultra-harsh oilfield working environments.

Product Overview
Product	750HP Workover Rig
Product line	Workover Rigs

Technical Specifications
The depth of workover		8000m (73mm tubing) 6500m (88.9mm DP)
The max. loading		1800kN
The type of traveling system		5×6
Diameter of rope		Φ32
Engine		CAT C15/5400 bhp, two sets
The model of gear box		Allison M5620AR, two sets
Mast	Clean height	38m
Mast	The max. static loading	1800kN
Draw work	The max. pull of fast line	280KN
	Diameter of wire line	32mm
	The max. rotate speed	450rpm
Drilling floor	Height	6m

Application

Where this equipment is used.

Ultra-large ultra-heavy-load overhaul and ultra-high-standard refined maintenance operations for 0-8000m super-deep oil and gas wells in national strategic key core oilfields
Extreme high-difficulty super-deep wellbore treatment including ultra-deep extra-thick wax deposition removal, large-diameter ultra-deep casing integral replacement, severe deep stuck pipe batch salvage and ultra-high-pressure super-deep well flushing & plugging removal
Long-cycle ultra-high-intensity heavy-duty operation and cross-region long-distance relocation of large-scale super-deep well clusters and remote ultra-harsh oilfield zones
Long-term super-deep well extreme heavy repair, deep reservoir large-scale stimulation, comprehensive renovation and capacity expansion maintenance of mature ultra-deep oilfield blocks
Ultra-extreme field operation scenarios with super-complex road conditions, global harsh climates and year-round uninterrupted ultra-high-intensity heavy-load operation demands
High-altitude severe cold plateau regions, high-temperature arid desert zones, rugged mountainous terrains and remote large-scale super-deep well key oilfield environments

Next step

Send the operating requirement.

For a useful technical response, include the target well conditions, operating depth or pressure, expected quantity, destination and any required configuration.

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Configuration

Options for a matched equipment scope.

Available configurations can be matched to the equipment model, operating conditions and project requirements.

Customize ultra-large heavy-load hook parameters and super-deep well hoisting performance to adapt to 8000m super-deep well heavy overhaul and 9000m ultra-deep well service industry standards
Upgrade full intrinsically safe explosion-proof high-grade electrical system to meet top-level safety specifications for Class 0 hazardous explosion zones and national key petrochemical projects
Optimize 14×8 ultra-heavy chassis travelling parameters and reinforced integral bearing structure to adapt to high-altitude, muddy, desert and Gobi ultra-complex road conditions
Configure matched super-large-flow high-pressure mud circulation and high-efficiency ultra-deep well flushing auxiliary system for full-coverage ultra-complex wellbore treatment
Upgrade industrial-grade full intelligent real-time data monitoring, dynamic load feedback and automatic fault early warning & intelligent diagnosis system
Customize professional super-deep well ultra-heavy-duty operation manuals and standardized senior operator systematic training documents
Adopt military-grade full anti-rust, anti-corrosion, dust-proof and ultra-weather-resistant coating for long-term global extreme outdoor heavy-load operation
Equip ultra-low-temperature rapid start-up system and full-machine integrated constant-temperature heat preservation device for high-cold plateau oilfield stable operation

Buyer questions

Frequently asked about this equipment.

The following questions address common equipment selection and operating considerations.

What core upgrades does the 750HP XJ750 rig have compared with the 650HP model?

The 750HP XJ750 ultra-large ultra-heavy-duty workover rig features a fully upgraded 750HP high-torque power system and 2000kN maximum static hook load, supporting 8000m super-deep well workover and 9000m ultra-deep well service, far exceeding the 7000m operation limit of 650HP rigs. It adopts an upgraded 14×8 enhanced all-terrain ultra-heavy chassis and 6×7 high-grade heavy-load hoisting system, delivering explosive power reserve, industry-top super heavy-load capacity and stronger extreme environmental adaptability. It can undertake ultra-high-intensity super-deep well extreme heavy overhaul projects that 650HP flagship rigs cannot support, achieving full-dimensional top-tier performance iteration.

Can the XJ750 rig adapt to high-altitude and ultra-complex terrain relocation?

Absolutely. Adopting an upgraded 14×8 super-heavy all-terrain self-propelled chassis with enhanced bearing and trafficability, the rig features flexible steering and stable driving performance. It realizes rapid integral cross-well and cross-region long-distance transfer without auxiliary equipment, perfectly adapting to frequent high-intensity operation switching of super-deep well clusters in high-altitude cold plateaus, mountains, deserts and other ultra-harsh terrain areas.

What is the standard working depth of the XJ750 workover rig?

The standard XJ750 rig achieves 8000m nominal workover depth with 2-7/8'' drill pipe and 6500m with 3-1/2'' drill pipe, with a maximum service depth up to 9000m with standard tubing. We can flexibly adjust power, hoisting and matching configurations according to on-site ultra-deep and extreme working conditions for personalized project customization.

What exclusive core advantages does the 750HP top-tier rig possess?

The XJ750 (XJ2000) rig is the top-grade ultra-large heavy-duty workover equipment for national key super-deep oilfield projects. It features 750HP high-torque strong power, 2000kN ultra-large lifting capacity and 36m reinforced telescopic mast, independently completing ultra-high-difficulty operations such as ultra-deep large casing replacement, extra-thick wax blockage removal and large-scale stuck pipe salvage. It completely breaks the load and depth bottlenecks of conventional flagship workover rigs in super-deep extreme complex working conditions.

What professional after-sales services are provided for the XJ750 rig?

We provide complete ultra-deep well professional installation drawings, full-set authoritative operation and maintenance manuals and lifelong original spare parts supply, with permanent free remote professional technical guidance. For national key oilfield strategic projects, we arrange senior petroleum engineering expert teams for on-site precision commissioning, installation guidance and one-on-one customized professional operator training.

Supplier context

Why this product is considered.

We possess top-tier R&D and precision standardized manufacturing capabilities for 750HP XJ750 ultra-large ultra-heavy-duty workover rigs, with all products strictly manufactured in accordance with API 4F, API 7K and international petroleum machinery authoritative standards. Targeted at national key oilfield super-deep well extreme heavy-load overhaul and global ultra-harsh environment long-cycle ultra-high-intensity operation scenarios, this rig achieves full-dimensional performance upgrade on the basis of 650HP flagship rigs, perfectly filling the market gap between conventional flagship workover rigs and ultra-large super-deep well professional operation equipment. Adopting high-power torque power system, customized heavy-duty transmission and upgraded 14×8 reinforced all-terrain chassis, the equipment maintains stable peak full-load operation output and ultra-low failure rate under long-term extreme heavy-load working conditions. Every XJ750 rig undergoes strict factory full-load impact testing, 72-hour continuous full-load operation debugging and multi-dimensional structural safety inspection before delivery. We provide full-process one-stop services including exclusive project scheme customization, standardized precision production, global safe shipping and professional on-site technical support, effectively helping customers improve ultra-deep well extreme heavy-duty operation efficiency and reduce long-term comprehensive oilfield super-deep maintenance costs.

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