NOV
National Oilwell Varco
"Powering global energy"
Technology Leader
Flagship Models: WO-200, WO-400
Hook Load: Up to 400,000 lbs
Mast Height: 142-156 ft
Technology: NOVOS Platform
Power System: AC/SCR Drive
Industry Standard
WFT
Weatherford
"Optimizing energy"
Service Excellence
Flagship Models: WO-300, Elite Series
Hook Load: Up to 350,000 lbs
Mast Height: 136-147 ft
Technology: ForeSight Platform
Power System: Diesel Electric
Service Leader
SPN
Superior Energy
"Superior performance"
Specialized Focus
Flagship Models: WO-250, Pro Series
Hook Load: Up to 300,000 lbs
Mast Height: 130-142 ft
Technology: Smart Control
Power System: Mechanical Drive
Reliable Choice
KEY
Key Energy
"Unlocking energy"
Regional Player
Flagship Models: WO-225, Flex Series
Hook Load: Up to 275,000 lbs
Mast Height: 125-138 ft
Technology: KeyControl System
Power System: Hybrid Drive
Value Option
C&J
C&J Energy
"Energy solutions"
Service Integration
Flagship Models: WO-200C, Elite Pro
Hook Load: Up to 250,000 lbs
Mast Height: 120-135 ft
Technology: Integrated Systems
Power System: Diesel Mechanical
Integrated Solution
CUDD
Cudd Energy
"Precision workover"
Precision Focus
Flagship Models: WO-175, Precision Pro
Hook Load: Up to 225,000 lbs
Mast Height: 115-130 ft
Technology: Precision Control
Power System: Electric Drive
Precision Expert
UNIT
Unit Corporation
"Integrated energy"
Full Service
Flagship Models: WO-185, Service Pro
Hook Load: Up to 200,000 lbs
Mast Height: 110-125 ft
Technology: Service Platform
Power System: Diesel Electric
Service Provider
PD
Precision Drilling
"Precision performance"
Canadian Leader
Flagship Models: WO-160, Alpha Series
Hook Load: Up to 180,000 lbs
Mast Height: 105-120 ft
Technology: Alpha Control
Power System: AC Drive
Northern Expert

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Performance Analysis Matrix

Comprehensive evaluation across key performance indicators (Score: 1-10)

Brand
Operational Efficiency
Technology & Automation
Reliability & Uptime
Safety Performance
Service Support
Value for Money
National Oilwell Varco
9.0/10
9.5/10
9.0/10
9.0/10
9.0/10
7.5/10
Weatherford
8.5/10
8.0/10
8.5/10
8.5/10
9.0/10
8.0/10
Superior Energy
8.0/10
7.5/10
8.5/10
8.0/10
8.0/10
8.5/10
Key Energy
7.0/10
6.5/10
7.5/10
7.0/10
7.5/10
8.5/10
C&J Energy
7.5/10
7.0/10
7.5/10
7.5/10
8.0/10
8.0/10
Cudd Energy
8.5/10
7.5/10
8.0/10
8.5/10
8.0/10
7.5/10
Unit Corporation
7.0/10
6.5/10
7.0/10
7.5/10
8.0/10
8.5/10
Precision Drilling
8.0/10
7.5/10
8.5/10
8.0/10
8.0/10
8.0/10

Detailed Specifications Comparison

Brand/Model Rig Type Hook Load Capacity Mast Height Working Depth Power System Technology Package Day Rate Range (USD)
NOV WO-400 Heavy Workover 400,000 lbs 156 ft 15,000 ft AC Drive NOVOS Platform $12,000 - $18,000
Weatherford WO-300 Heavy Workover 350,000 lbs 147 ft 14,000 ft Diesel Electric ForeSight Platform $10,000 - $16,000
Superior WO-250 Medium Workover 300,000 lbs 142 ft 12,000 ft Mechanical Drive Smart Control $8,000 - $14,000
Key Energy WO-225 Medium Workover 275,000 lbs 138 ft 11,000 ft Hybrid Drive KeyControl System $7,000 - $12,000
C&J WO-200C Medium Workover 250,000 lbs 135 ft 10,000 ft Diesel Mechanical Integrated Systems $7,500 - $13,000
Cudd WO-175 Light Workover 225,000 lbs 130 ft 9,000 ft Electric Drive Precision Control $6,500 - $11,000
Unit WO-185 Light Workover 200,000 lbs 125 ft 8,500 ft Diesel Electric Service Platform $6,000 - $10,000
Precision WO-160 Light Workover 180,000 lbs 120 ft 8,000 ft AC Drive Alpha Control $5,500 - $9,500

Key Features & Technologies

Maximum Hook Load
NOV WO-400 leads with 400,000 lbs hook load capacity, ideal for heavy tubing pulls and complex completion work in deep wells.
Mast Height Champion
NOV WO-400 features 156 ft mast height, providing maximum reach for long tubing strings and reduced pipe trips.
Technology Leader
NOV NOVOS Platform integrates real-time monitoring, automated controls, and predictive maintenance for optimal workover efficiency.
Best Value
Key Energy WO-225 offers competitive workover capabilities at $7,000-$12,000 daily rates, ideal for cost-conscious operations.
Drive System Innovation
AC Drive Systems from NOV and Precision provide superior control, reduced maintenance, and enhanced operational efficiency.
Service Excellence
Weatherford leads with integrated service packages, providing complete workover solutions from rig to wireline services.
Precision Operations
Cudd Energy Precision Control delivers accurate load monitoring and precise positioning for critical completion work.
Safety Systems
Advanced BOP systems, load monitoring, and automated safety controls across all major platforms ensure crew protection and equipment integrity.
Maintenance Efficiency
Superior Energy mechanical drive systems offer simplified maintenance with reduced downtime and lower operating costs.
Environmental Performance
Modern workover rigs feature reduced emissions, noise control systems, and efficient power management for environmental compliance.
Remote Monitoring
Telematics integration enables real-time rig monitoring, performance optimization, and predictive maintenance scheduling.
Regional Expertise
Precision Drilling specializes in Canadian operations with cold weather packages and regulatory compliance expertise.

Expert Recommendations by Application

Well Completion

Best Overall: NOV WO-400
Best Technology: Weatherford Elite Series
Best Value: Superior WO-250

Well completion requires precise control, high hook loads, and reliable BOP systems. Heavy workover rigs with 300,000+ lbs capacity essential for complex completions.

Well Intervention

Best Overall: Cudd WO-175
Best Precision: Precision WO-160
Best Service: Weatherford WO-300

Well intervention demands precision control and reliable equipment. Light to medium workover rigs provide optimal balance of capability and cost-effectiveness.

Well Stimulation

Best Overall: NOV WO-400
Best Integration: C&J WO-200C
Best Efficiency: Key Energy WO-225

Stimulation operations require coordination with pressure pumping services. Integrated service providers offer streamlined operations and reduced logistics.

Plugging & Abandonment

Best Overall: Superior WO-250
Best Reliability: Unit WO-185
Best Cost: Precision WO-160

P&A operations prioritize reliability and cost control. Medium workover rigs provide adequate capacity for most abandonment procedures at competitive rates.

Enhanced with HVI App Digital Inspection Data

This analysis is enriched with real-world inspection data from the Heavy Vehicle Inspection (HVI) App, providing insights from over 3,000+ workover rig inspections across North American oil & gas operations. The HVI App's digital inspection platform captures critical performance metrics, maintenance patterns, and safety compliance data directly from well sites.

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API compliant 180+ point inspections with photo documentation and real-time safety alerts for workover operations

Performance Analytics

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Fleet Intelligence

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