Gas composition (mol%): Associated gas (CH₄ 66.23%, C₂-C₁₀ hydrocarbons 26.7548%, CO₂ 1.01%)
Flow rate: 1370Nm³/h @ 0.04MPa.G
Inlet pressure: 0.03~0.05MPa.G (design point 0.04MPa)
Inlet temperature: Normal temperature
Exhaust pressure: 4.5MPa.G
Main motor power: 280kW
Overall dimensions of the machine: approximately 9000 × 3100 × 5045mm
Whole machine weight: approximately 22T
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Overview
The MWF-18.7/(0.3~0.5)-45 Associated Gas Compressor from Bengbu United Compressor is designed for low-pressure associated gas compression and recovery in oilfield applications.
Featuring reliable reciprocating piston technology, it provides stable gas gathering and transmission performance under complex operating conditions.
This compressor helps improve associated gas utilization, reduce energy waste, and support efficient oil and gas production systems.
Reliable performance, low vibration, and reduced maintenance requirements ensure stable operation in oilfield gas compression applications.
The optimized reciprocating piston structure and oil-free lubrication design provide stable compression and prevent gas contamination.
The skid-mounted design simplifies transportation and installation, adapting to different project environments.
Application Area
Oilfield Associated Gas Recovery
Designed for recovering and compressing low-pressure associated gas during oil production, improving resource utilization and reducing gas waste.
Gas Gathering and Transmission Systems
Provides reliable pressure boosting for associated gas gathering networks and pipeline transportation.
Energy Utilization and Emission Reduction
Helps convert wasted associated gas into usable energy while reducing flaring and environmental impact.
Highlight Advantages
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| Stable compression performance for oilfield associated gas recovery. | High automation level reduces manual operation requirements. | Skid-mounted design enables convenient transportation and installation. | Reliable components ensure long service life and lower maintenance costs. |
Patent Certificates
 | A piston rod thread protective sleeve ZL 2017 2 1907021.7 | | A piston ring support device ZL 2018 2 0294776.2 | |
| A range piston ZL 2017 2 190177.0 for symmetrical balanced compressors | | Integrated long short double compartment ZL 2018 2 0294762.0 |
Whole Machine Description
All main and auxiliary compressor components are fully pre-assembled on a standard skid base, ensuring steady, trouble-free operation.
The integrated skid-mounted structure simplifies transportation and on-site installation, reducing project workload and commissioning time significantly.
Featuring flexible customizable configurations, this reciprocating piston compressor adapts to varied field conditions, whether plain or high-altitude oilfield environments, delivering stable and fit-for-purpose gas compression performance for different engineering projects.
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The compressor in this picture is a non-standard product. The product provides independent solutions tailored to customers' specific usage requirements (flow rate/purity/pressure, usage environment, main purpose, and customer specific requirements), from design to product customization.
Structural form: D-type/M-type/S-type/W-type/V-type/Z-type
Cooling method: water cooling/air cooling/mixed cooling
Installation form: fixed/mobile/pry mounted/cabin type
Drive mode: motor drive/diesel engine start
Transportation: sea/air/land
Packaging:
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| Metal cabin | Wooden box | Soundproof cabin |
Technical Parameter
| No. | Model | Medium | Flow rate (Nm3/h) | Exhaust pressure MPa（G) | Motor power (kW) | Cooling method | Overall dimensions (mm) | Weights (kg) | |
| 1 | DWF-12.4/（9～12）-14 | Carbon dioxide | 6400 | 1.4 | 185 | Air-cooled | 6000×2700×2200 | 10000 | |
| 2 | VWF-2.86/5-16 | Nitrogen | 895 | 1.6 | 55 | Air-cooled | 3200×2200×1750 | 3500 | |
| 3 | ZWF-0.96/5 | Hydrogen chloride | 55 | 0.5 | 11 | Air-cooled | 2000×1500×2000 | 1000 | |
| 4 | DFW-1. 13/0.3-34 | Flash Vapour | 75 | 0.03～3.4 | 18.5 | Air-cooled | 4500×3200×2150 | 5600 | |
| 5 | DFW-6.5/(0～0.5)-10 | Associated gas | 50～100 | 1 | 75 | Air-cooled | 3500×2800×1850 | 4500 | |
| 6 | DFW-4.2/(0.2～1.5)-12 | BOG | 260～540 | 1.2 | 55 | Air-cooled | 3500×3000×2000 | 5500 | |
| 7 | DW-2.45/(6～7)-100 | Carbon Monoxide | 900 | 10 | 160 | Mixed cooling | 6500×3200×1700 | 10000 | |
| 8 | DW-19.8/0.5-7.25 | Methylene chloride | 3.5 | 0.725 | 160 | Mixed cooling | 5200×3000×2350 | 8000 | |
| 9 | DW-8.6/(0～0.2)-8 | Chloromethane | 436 | 0.8 | 75 | Mixed cooling | 3200×2400×1600 | 4500 | |
| 10 | DW-2.4/2.5-11 H | elium Recovery Ga | 450 | 1.1 | 37 | Mixed cooling | 3000×2500×1800 | 3000 | |
Project Case
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| Lanzhou petrochemical company 240000 tonsyear ethylene production capacity restoration - adding butadiene and 1-butene unloading facilities project | Beijing Hongke Qingneng Technology Co., Ltd. associated gas compressor for Shanxi Yan'an 60000 m3 project | Zaozhuang CNG compressor project of Chengdu Shenliang Technology Co., Ltd. |
This compressor is specially designed for associated gas compression, handling a defined gas composition: 66.23% CH₄, 13.05% ethane, 9.78% propane, 1.01% CO₂, 5.31% N₂ and 0.044% helium.
It is widely used for low-pressure associated gas compression and transmission in oilfield development, gas gathering and energy recovery projects.
The compressor has a rated processing capacity of 1370Nm³/h, operates within an inlet pressure range of 30~50Kpa.G (at normal temperature), and achieves an outlet pressure of 4.5MPa.G. These parameters ensure it can efficiently meet the demand for low-pressure associated gas compression and medium-pressure transmission in oil and gas field production scenarios.
Yes,The supplied unit shall fully comply with all applicable industry standards and specifications, including the latest editions where no specific version is stated.
This ensures long-term safe, reliable and regulatory-compliant operation of the compressor
