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SLG380Q Skid-mounted coiled tubing unit

SLG380Q Skid-mounted coiled tubing unit

The SLG380Q skid-mounted coiled tubing unit is engineered specifically for operations where road access is limited or where permanent installation is required—offshore platforms, remote onshore locations, and FPSO vessels. Unlike truck-mounted or trailer-mounted configurations that depend on wheeled mobility, the SLG380Q is designed to be lifted, placed, and operated wherever a crane can reach.

Individual skids can be lifted separately, reducing the required crane capacity at each lift

Modules can be positioned independently around the wellhead for optimal layout—critical on space-constrained offshore platforms

Maintenance or replacement of one module doesn‘t require dismantling the entire system

Transport is simplified—each skid fits standard shipping containers


Technical Specifications

Parameter SLG380Q Specification
Maximum Pulling Force 380 kN (85,000 lbs)
Maximum Snubbing Force 190 kN (42,500 lbs)
Applicable Tubing O.D. 1″ – 2-3/8″ (customizable)
Reel Capacity Customized per customer depth requirements
Maximum Operating Speed Up to 60 m/min
Minimum Stable Speed 0.1 m/min
Maximum Working Pressure 70 MPa (10,000 psi)
Design Type Split-type modular skid-mounted
Configuration Individual skids: injector / reel / power pack / control cabin / BOP
Control System Hydraulic control with optional "one-key” automation
Operating Temperature −45°C to +55°C
Automation Features 3 automatic drilling modes; 50% drilling time reduction
Certifications API Q1, ISO 9001, HSE



Applications – Where the SLG380Q Excels

The SLG380Q skid-mounted coiled tubing unit is purpose-built for operations where modular, liftable equipment is the only practical solution. Here's where it delivers the best return:

Application Description
Offshore Platforms Space-constrained environments requiring crane-in/crane-out installation
Remote Onshore Locations Areas without road access—fly-in, crane-in, operate
FPSO / FLNG Vessels Marine applications requiring compact, liftable modules
Permanent Installations Fixed well sites where equipment stays on location
Deep Well Workovers Interventions requiring substantial pulling power
Well Cleanout & Sand Flushing Remove sand plugs and debris without killing the well
Paraffin & Scale Removal Clear wax buildup and mineral scale to restore production
Acidizing Precisely place acid across target zones for stimulation
Nitrogen Lift & Gas Lift Unload wells and kickstart production
Fishing Operations Retrieve lost tools or debris from the wellbore
Milling Operations Remove plugs, packers, or cement with automated drilling modes
Well Logging Deploy logging tools in deviated or horizontal wells

Product Type Configurations

Configuration Best For Key Advantage
Standard Skid-Mounted (Split-Type) Offshore platforms, remote onshore locations Individual skids for each component; crane-in/crane-out simplicity
Offshore Skid-Mounted Marine platforms, FPSO vessels Corrosion-resistant materials; compact footprint
Explosion-Proof Skid-Mounted Hazardous area operations (Zone II) ATEX-certified components available
Combination Configurations Operations needing mix of mobility and skid-mounted components Truck or trailer for some modules, skids for others

OEM Customization Solutions

The SLG380Q is not a one-size-fits-all product—it's a modular platform that we adapt to your specific operational requirements. SJ offers customized coiled tubing units tailored to your needs, with multiple transport modes including skid-mounted, truck-mounted, trailer-mounted, and combination configurations.

What we customize:

  • Reel capacity – Sized precisely to your target depth and tubing diameter

  • Tubing diameter – From 1″ up to 2-3/8″ and beyond

  • Number and configuration of skids – Component arrangement, lift points, overall footprint

  • Offshore certification – Marine-grade materials and coatings

  • Explosion-proof options – ATEX Zone II certification for hazardous areas

  • BOP stack – Pressure rating and size per your well control requirements

  • Control system upgrades – Data acquisition, remote monitoring, "one-key” automation

  • Climate adaptation – Cold-weather packages (−45°C); high-temperature cooling (+55°C)

  • Power system – Diesel or electric drive; generator integration

  • Fleet branding – Your company colors and logos applied before delivery

  • Downhole tool packages – Fishing tools, milling assemblies, logging adapters

Why Choose SJ Petroleum Machinery?

🏭 Sinopec Manufacturing Heritage

We're not a trading company—we’re a manufacturer with roots in Sinopec's engineering ecosystem. Founded in 1941, we’ve been building oilfield equipment for over eight decades. As a China Critical Technological Equipment Nationalization Base and National Hi-tech Enterprise, our quality systems, supply chains, and engineering standards meet the highest benchmarks.

🔧 Proven SLG Series – From SLG130 to SLG620

SJ has developed the SLG130, SLG230, and SLG380 series coiled tubing equipment through cooperation with domestic and international research institutions and technology introduction. The SLG380Q builds on this proven platform with specific engineering for skid-mounted, modular applications. Maximum rated pulling forces range from 127 kN to 380 kN.

🌊 Offshore-Engineered – Split-Type for Marine Applications

The SLG380Q’s split-type modular design was specifically developed to adapt to land and ocean platform operating conditions. By separating the tubing reel onto its own skid, the unit achieves the flexibility needed for space-constrained marine environments.

🌡️ Extreme Condition Certified – −45°C to +55°C

SJ's coiled tubing equipment adapts to a wide temperature range, from −45°C to +55°C, meeting the requirements of polar low-temperature, normal-temperature, and desert high-temperature environments. The SLG380Q has been 型式试验 (type tested) and field-applied with stable, reliable performance.

📋 Certified to International Standards

API Q1, ISO 9001, and HSE management system certified. Our manufacturing processes are audited annually.

🔄 One-Stop Service Commitment

Commissioning support, operator training, spare parts logistics, and technical troubleshooting—we stay with you after the sale. Our export team understands the logistics of international shipping and can arrange delivery to your location.

💰 Competitive Pricing, No Quality Compromise

Chinese manufacturing doesn’t mean cutting corners. We deliver professional-grade coiled tubing equipment at prices that make sense for your capital budget—full transparency on materials, components, and workmanship.

Frequently Asked Questions (FAQ)

Q1: What does the "Q” in SLG380Q stand for?

A: The "Q” stands for "橇” (skid) , indicating that this is a skid-mounted configuration. Unlike truck-mounted or trailer-mounted units, the SLG380Q consists of individual modules (injector, reel, power pack, control cabin) each mounted on its own skid, designed to be lifted by crane and placed on offshore platforms or remote onshore locations.

Q2: What's the pulling and snubbing capacity of the SLG380Q?

A: The SLG380Q delivers 380 kN (85,000 lbs) of continuous pulling force and 190 kN (42,500 lbs) of continuous snubbing force. These are continuous ratings, not peak—you can rely on these numbers for sustained operations.

Q3: What does "split-type” design mean?

A: "Split-type” refers to the modular skid architecture where the tubing reel is separated from other components on its own skid. This allows each module to be lifted separately (reducing crane capacity requirements), positioned independently around the wellhead, and maintained or replaced without dismantling the entire system.

Q4: Can the SLG380Q be used offshore?

A: Absolutely. The SLG380Q was specifically developed to adapt to land and ocean platform operating conditions. The modular skid design is inherently suited for offshore environments where space is tight and crane capacity is limited. Marine-grade materials and corrosion-resistant coatings are available.

Q5: What tubing sizes does the SLG380Q handle?

A: The unit handles tubing from 1″ up to 2-3/8″ O.D. as standard. Reel capacity is customized per your depth requirements.

Q6: What's the operating temperature range?

A: The SLG380Q operates across a wide temperature range from −45°C to +55°C, making it suitable for polar, temperate, and desert environments.

Q7: Does the SLG380Q support automation?

A: Yes. The SLG series supports "one-key” automation features including automatic pipe running and retrieval, automatic pipe spooling, and automatic lubrication—improving efficiency by 30%. The system also features three automatic drilling modes that reduce drilling time from 2–4 hours to 0.5–1 hour, a 50% efficiency improvement.

Q8: Has the SLG380Q been field-proven?

A: Yes. The SLG380Q (referenced as LG380Q in technical literature) has undergone 型式试验 (type testing) and field application with results showing that all indicators meet design requirements, operation is stable, and performance is reliable. The unit has been developed to expand the useable range of coiled tubing operation equipment.

Q9: What's the typical lead time for an SLG380Q?

A: Standard lead time is 90 to 150 days from order confirmation to shipment, depending on configuration and customization level. Contact our sales team for current availability.

Q10: How do I get a quote for an SLG380Q?

A: Send us your well parameters: target depth, tubing diameter, expected wellhead pressure, operating environment (offshore/onshore, temperature range), and any specific certification requirements. We'll respond with a technical proposal and commercial quote within 7–10 business days.

Tag: Coiled Tubing Units (CTUs) | Coiled tubing equipment | Coiled tubing manufacturers | Coiled tubing specifications | Heavy duty coiled tubing equipment | Coiled tubing maintenance | Snubbing Units

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