Product Overview
The SINNA GAS Membrane Nitrogen Generator for Oil & Gas Industry is a high-efficiency, on-site nitrogen generation system designed to deliver continuous, safe, and cost-effective nitrogen supply directly from compressed air.
Based on advanced hollow fiber membrane separation technology, the system separates nitrogen from oxygen, water vapor, and trace gases without chemical reactions or moving separation components, ensuring stable performance in demanding oil & gas environments.
This solution is engineered for upstream, midstream, and downstream oil & gas operations, especially where reliability, safety, and continuous gas supply are critical.
Unlike traditional nitrogen supply methods such as cylinders or liquid nitrogen logistics, SINNA GAS systems enable 24/7 on-demand nitrogen production, eliminating transportation risks, supply delays, and recurring operational costs.
Typical End Users
- Oil & gas operators
- EPC contractors
- Refinery engineering teams
- Offshore platform operators
- Pipeline construction companies
- Petrochemical plants
Engineering Positioning
The membrane nitrogen system is designed for applications requiring medium purity nitrogen (95%–99.5%) with high reliability and continuous operation.
Why Membrane Technology for Oil & Gas?
- Fast start-up (minutes, not hours)
- Simple operation with low maintenance
- Compact footprint for offshore and modular plants
- Ideal for continuous inerting and blanketing systems
Compared with PSA Systems
- Membrane systems: Simpler, safer, lower maintenance
- PSA systems: Higher purity (>99.999%), more complex, higher maintenance
Working Principle
The system operates based on selective gas permeation through hollow fiber membranes.
Process Flow
1.Ambient air is compressed by air compressor
2.Air is purified through filtration and drying systems
3.Compressed air enters membrane modules
4.Oxygen, CO₂, and water vapor permeate through membrane walls
5.Nitrogen is retained and collected as product gas
6.Oxygen-enriched air is safely discharged
Key Principle
Separation is driven by partial pressure difference across membrane fibers, ensuring continuous and stable nitrogen output without mechanical separation parts.
Key Features & Advantages
Oil & Gas Grade Engineering Design
- Designed for continuous industrial operation
- Skid-mounted or containerized structure
- Resistant to vibration, humidity, and corrosion
- Suitable for offshore and hazardous environments
High Operational Reliability
- Fully automatic PLC control system
- Continuous 24/7 nitrogen production
- Minimal human intervention required
Significant Cost Reduction
- Eliminates cylinder logistics and liquid nitrogen supply
- Reduces OPEX by removing recurring gas purchase costs
- Fast return on investment (ROI)
Safety-First Design
- No high-pressure bulk nitrogen storage
- No chemical reaction processes
- Reduced handling risks for offshore operations
Modular & Scalable System
- Easy capacity expansion
- Containerized mobile nitrogen generation plants available
- Flexible integration into existing facilities
Technical Specifications
|
Parameter |
Specification |
|
Nitrogen Purity |
95% – 99.5% |
|
Flow Capacity |
1 – 5,000 Nm³/h (customizable) |
|
Outlet Pressure |
6 – 12 bar(g) standard (up to 24 bar(g) optional) |
|
Dew Point |
≤ -40°C to -70°C |
|
Feed Air Pressure |
7 – 10 bar(g) |
|
Power Supply |
220V / 380V / 415V, 50–60 Hz |
|
Technology |
Hollow Fiber Membrane Separation |
|
Control System |
PLC Automatic Control System |
|
Configuration |
Skid-mounted / Containerized / Offshore frame |
|
Design Life |
10–15 years (depending on operation conditions) |
System Configuration
A complete SINNA GAS nitrogen generation system typically includes:
Air Pretreatment System
- Dust filtration
- Oil removal filtration
- Activated carbon purification
- Refrigerated or desiccant air dryer
Membrane Nitrogen Module
- Hollow fiber membrane bundles
- High-efficiency gas separation core
Air Compression System (Optional)
Provides stable compressed air feed.
Buffer & Storage Tank (Optional)
Stabilizes nitrogen pressure and flow for downstream usage.
Control & Monitoring System
- PLC automatic operation
- Real-time monitoring of flow, pressure, purity
- Alarm & safety shutdown system
Industrial Applications in Oil & Gas
Tank Blanketing: Prevents oxygen contact with hydrocarbons, reducing explosion and oxidation risks.
Pipeline Purging & Commissioning: Removes oxygen and moisture before pipeline start-up or maintenance shutdown.
Inerting Systems: Creates safe inert environments in reactors, separators, and storage vessels.
Offshore Platform Safety Systems: Ensures continuous nitrogen supply for critical safety operations.
Gas Lift Operations: Supports enhanced oil recovery in mature fields.
Refinery Process Applications: Used in hydrocarbon processing, purging, and shutdown procedures.
Project Experience & Global Applications
SINNA GAS nitrogen generation systems have been widely applied in international oil & gas projects, including:
- Offshore platforms in the Middle East
- Refinery facilities in Southeast Asia
- Pipeline commissioning projects in Africa
- Petrochemical plants in South America
Our systems are engineered to meet the operational requirements of EPC contractors and industrial gas system integrators worldwide.
Quality Standards & Certifications
SINNA GAS systems are manufactured under strict quality control systems:
- ISO 9001 Certified Manufacturing Process
- CE Certification (optional per project requirement)
- Offshore-grade structural design (DNV / ABS optional)
- Electrical compliance with IEC standards
- Pressure components designed to ASME standards (optional)
Each system undergoes factory testing and performance verification before shipment.
Why Choose SINNA GAS?
Engineering Capability: We specialize in industrial nitrogen generation systems tailored for oil & gas applications.
Global Supply Experience: Serving international EPC contractors and industrial gas distributors.
Cost Efficiency: Our systems significantly reduce long-term nitrogen supply costs.
Reliability: Designed for continuous operation in harsh offshore and onshore environments.
Technical Support: Global after-sales support and engineering consultation for project integration.
Comparison: On-Site Generation vs Traditional Supply
|
Factor |
Membrane Nitrogen Generator |
Cylinder / Liquid Nitrogen |
|
Supply Method |
On-site production |
External delivery |
|
Operating Cost |
Very low |
High recurring cost |
|
Availability |
24/7 continuous |
Supply chain dependent |
|
Safety |
High (no storage risk) |
Medium / High-pressure risks |
|
Logistics |
None |
Complex logistics required |
|
Scalability |
Easy expansion |
Limited flexibility |
FAQ
Q: What nitrogen purity can be achieved?
A: The system produces nitrogen with purity ranging from 95% to 99.5%, depending on flow and configuration.
Q: Can the system operate offshore?
A: Yes. The system is specifically designed for offshore platforms with corrosion-resistant and containerized options.
Q: What are the main advantages of membrane technology?
A: Fast start-up, low maintenance, compact design, and high reliability for continuous operation.
Q: Does the system require constant operator supervision?
A: No. It features a fully automatic PLC control system with minimal operator intervention.
Q: What is the expected lifetime of the system?
A: Typically 10–15 years, depending on operating conditions and maintenance.
Q: What maintenance is required?
A: Only routine replacement of filters and periodic system inspection is required.
Q: Can the system be customized for project requirements?
A: Yes. Flow rate, pressure, purity, and configuration can all be customized.
Q: What industries are suitable for this system?
A: Oil & gas, petrochemical, offshore engineering, pipeline construction, and refinery operations.
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