S320-305-120 Oil Pumping Unit Information and Parameters
the S320-305-120 has advantages in high-torque, medium-stroke working conditions, suitable for: Deep wells (>1000m); High-viscosity crude oil (heavy oil); Secondary development after casing-damaged well sidetracking. This equipment is an ideal choice for old well potential tapping and energy-saving transformation, aligning with the national "dual carbon" policy for oilfield energy reduction and efficiency enhancement.
- Brand: Henan Sunjoy
- SKU: 25
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S320-305-120 Oil Pumping Unit Information and Parameters
Core Conclusion: Model Authenticity and Manufacturer Confirmation
The S320-305-120 is a beam pumping unit (commonly known as a "nodding donkey") widely used in China's oil fields. Its naming follows the industry's internal coding logic: S + Reducer Rated Torque (kN·m) + Maximum Load at the Saddle Point (kN) + Maximum Stroke (cm).
Key Parameter Summary (Based on Manufacturer Technical Documents and Industry Standards)
Structure and Working Principle
The S320-305-120 is a typical beam pumping unit, consisting of five core systems:
- Power System: A three-phase asynchronous motor (45kW) drives the reducer via a coupling to achieve high-torque, low-speed output.
- Transmission System: The reducer (reduction ratio ~20:1) outputs shaft rotation, driving the crank via a connecting rod to make the beam swing up and down.
- Execution System: The horsehead at the beam's front end connects directly to the sucker rod, achieving vertical reciprocating motion to drive the downhole pump plunger.
- Balancing System: The composite balance (crank counterweights + beam tail counterweights) reduces motor power fluctuations by over 30%, significantly enhancing energy efficiency and equipment life.
- Support System: A reinforced concrete foundation or steel structure base ensures the unit's stability under long-term vibration.
Application Scenarios and Regional Adaptability (Henan Puyang)
- In the Zhongyuan Oil Field core area (Puyang), this model is widely deployed for high-water-cut, low-yield oil wells.
- Compared to the CYJ series, the S320-305-120 has advantages in high-torque, medium-stroke working conditions, suitable for:
- Deep wells (>1000m);
- High-viscosity crude oil (heavy oil);
- Secondary development after casing-damaged well sidetracking.
- This equipment is an ideal choice for old well potential tapping and energy-saving transformation, aligning with the national "dual carbon" policy for oilfield energy reduction and efficiency enhancement.
