Coiled Tubing Units

Technical Specifications – SLG Series

Parameter	SLG130	SLG160	SLG230–290	SLG380	SLG450	SLG630Q
Max. Pulling Force (kN / lbs)	127 / 28,000	156 / 35,000	227–290 / 50,000–65,000	380 / 85,000	450 / 101,000	622 / 140,000
Max. Snubbing Force (kN / lbs)	63.5 / 14,000	78 / 17,500	113.5–145 / 25,000–32,500	190 / 42,500	—	—
Max. Operating Speed (m/min)	60	60	60	60	60	60
Min. Operating Speed (m/min)	30	30	30	30	30	30
Max. Working Pressure (MPa / psi)	70 / 10,000	70 / 10,000	70 / 10,000	70 / 10,000	70 / 10,000	70 / 10,000
Applicable Tubing OD (in)	1″–2″	1″–2″	1¼″–2⅜″	1½″–2⅜″	1½″–3½″	2″–4½″
Reel Capacity	Varies by tubing size	1″: 4,500m	1½″: 3,800–4,500m	2″: 4,800m	2″: 5,000m+	Supports 2″–8,000m depth
Operating Temp Range	—	—	−45°C to +55°C	−45°C to +55°C	−45°C to +55°C	−45°C to +55°C
Noise Reduction	—	—	—	—	—	40% vs. conventional
Mounting Options	Truck / Skid / Trailer	Truck / Skid / Trailer	Truck / Skid / Trailer / Combo	Truck / Skid / Trailer / Combo	Truck / Skid / Trailer / Combo	Truck / Skid / Trailer / Combo
Drive Type	Diesel-Hydraulic	Diesel-Hydraulic	Diesel-Hydraulic	Diesel-Hydraulic	Diesel-Hydraulic / Electric	Diesel-Hydraulic / Electric

Applications – Where Our CTU Excels

The SLG Series coiled tubing unit is deployed across a broad spectrum of well intervention scenarios:

Application	Description	Key Benefit
Well Cleaning & Circulation	Sand plug flushing, paraffin removal, well washing	Restores production quickly, low fluid loss
Acidizing & Stimulation	Precise acid placement across target zones	Maximizes contact with formation
Nitrogen Lift & Gas Lift	Unload wells and initiate production	No swabbing or well killing required
Drilling & Milling	Scale milling, cement drilling, plug drilling	Replaces costly conventional rigs
Fishing Operations	Retrieve lost tools or debris	Minimizes well downtime
Logging & Perforation	Run E-line or fiber optic through coil	Horizontal well access with precision
Velocity String Installation	Run smaller diameter string inside production tubing	Delays liquid loading in mature gas wells
Underbalanced Drilling	Maintain pressure while drilling	Protects formation and maximizes recovery
Plug & Abandonment	Cement placement and well decommissioning	Safe, cost-effective P&A operations

Product Type Configurations

Mount Type	Best For	Key Advantage
Truck-Mounted	Cluster wells, multiple site rotations, land operations with good roads	Fastest mobilization; self-contained
Trailer-Mounted	Multi-well pads, rental fleets, weight-sensitive locations	Balance of mobility and capacity; flexible towing vehicles
Skid-Mounted	Offshore platforms, permanent installations, remote locations	Maximum stability; crane-in/crane-out simplicity
Truck + Skid Combo	Large-scale operations needing both mobility and extra capacity	Best of both worlds – power pack on skid, control on truck
Trailer + Skid Combo	Semi-permanent installations with occasional relocation	Reduced capital cost; modular expansion

OEM Customization Solutions

We don’t build cookie-cutter equipment. Every oilfield is different – different pressures, different climates, different logistics. That’s why we offer comprehensive OEM and tailored engineering:

Customizable elements include:

• Pulling and snubbing capacity tailored to specific well requirements (5T to 63T range)

• Tubing diameter accommodation (3/8″ through 4-1/2″)

• Power system selection: diesel-hydraulic, electric drive (mains or generator), dual-fuel options

• Control system enhancements: remote operation interface, automated data logging, IoT-ready panels

• Climate adaptation packages: Arctic cold-start heaters, desert high-temperature cooling, tropical corrosion protection

• Mounting configuration design – we’ll adapt to your available transport and logistics

• Injector head chain tension system customization for specific tubing grades

• BOP stack specification by customer pressure rating

• Color and branding to match your fleet standards

• Specialized tooling packages for niche applications (e.g., fishing tool sets, milling assemblies)

Why Choose SJ Petroleum Machinery?

🏭 Sinopec Manufacturing Heritage
We are not a trading company – we're a manufacturer with roots dating back to 1941. As a Sinopec subsidiary, our quality systems, supply chains, and engineering standards meet the highest state-owned enterprise benchmarks.

🔧 Full-Spectrum Technical Capability
From injection head to control cabin, we design and build every major component in-house. Our technical center employs 314 dedicated R&D personnel across three research institutes. We’re not assemblers – we're engineers.

🌎 Global Track Record in Tough Environments
Our coiled tubing units are actively working in Saudi Arabia's extreme heat, offshore platforms in Southeast Asia, and Arctic zones below −45°C. Where others hesitate, we deliver.

📋 Certified to International Standards
API Q1, ISO 9001, HSE management system certified. We hold hundreds of patents covering core CTU technologies – including proprietary silent operation systems.

🔄 One-Stop Integrated Solutions
We don’t just sell equipment. We provide engineering consultation, commissioning, operator training, and global spare parts support. Your success is our responsibility.

💰 Cost-Effective Without Quality Compromise
Chinese manufacturing doesn't mean cutting corners. We deliver premium quality at competitive prices, with full transparency on materials and components.

Frequently Asked Questions (FAQ)

Q1: What’s the actual difference between your CTU and conventional workover rigs?
A: Conventional workover rigs require killing the well, which often damages the reservoir and takes days. A coiled tubing unit works on live wells – no kill fluids, no reservoir damage, and much faster rig-up. In field comparisons, CTU operations can be completed in a fraction of the time. Plus, no workover rig needed for many interventions.

Q2: How quiet is the "silent” version really?
A: Our silent-tech units achieve approximately 40% noise reduction compared to conventional diesel-hydraulic CTUs. Field measurements show levels low enough for night operation in noise-restricted areas. If noise compliance is critical for your project, request a demonstration.

Q3: Can your units handle H2S or corrosive environments?
A: Yes. We offer corrosion-resistant material upgrades for the entire fluid path, including duplex stainless steel and other high-alloy options suitable for high-CO₂ and H₂S environments.

Q4: What’s the maximum depth your CTU can reach?
A: Our larger models (SLG630Q) support 2″ tubing deployment to 8,000 meters depth. Maximum depth depends on tubing diameter, grade, and well conditions. Our engineering team can run a simulation for your specific well parameters.

Q5: Do you provide training and after-sales support?
A: Absolutely. Each CTU sale includes commissioning assistance and comprehensive operator/maintainer training at your facility or ours. Spare parts are stocked for global shipment, and our technicians are available for field support.

Q6: What are the available drive configurations?
A: Diesel-hydraulic (standard), electric drive (clean and quiet for mains/generator access), and hybrid options. Electric drive offers lower operating costs and reduced emissions where grid power is available.

Q7: How long is the typical lead time?
A: Standard lead time ranges from 90 to 150 days depending on configuration and customization. Urgent requirements can be expedited – contact our sales team for current availability.

Q8: Can I get a customized CTU for a very specific operation – like shallow gas wells with limited access?
A: Yes – that's exactly what we do best. Our compact trailer-mounted units are ideal for shallow wells with space constraints. Share your well parameters and site photos, and we’ll propose a tailored solution.

Q9: How do I get a quote?
A: Provide your required pulling capacity, tubing diameter, maximum depth, mounting preference (truck/trailer/skid), and any special environmental conditions. We'll respond with a detailed technical proposal and commercial quote within 5–7 business days.

Tag: