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Customized API 11AX Pump Barrels and Plungers Solution for South American Oilfield Project

1. Project Background 

Our client, a prominent oilfield service company in South America, required a reliable supply of high-precision downhole pump components to withstand challenging well conditions. The project demanded strict adherence to API 11AX standards, focusing on extended run life and high volumetric efficiency to reduce lifting costs.


Pump Barrels


2. Customer Challenges

The client faced two main challenges:

Corrosive Environments: The wells in the region contain high levels of corrosive fluids, requiring specialized surface treatments for pump parts.

Logistics & Safety: Given the long-distance sea freight to South America, the products needed exceptional packaging to prevent any surface damage or rust during transit.


Pump Barrels


3. Our Solution

After technical consultations, Dongsheng Rod Pump provided a customized manufacturing plan:

High-Grade Materials: We utilized premium carbon steel with heavy-duty chrome plating for the pump barrels and spray-metal coating for the plungers to ensure maximum wear and corrosion resistance.

Precision Engineering: Every barrel underwent rigorous honing and internal diameter testing to ensure perfect clearance with the plungers, optimizing pump efficiency.

Comprehensive Accessories: We supplied a full set of matched valves, cages, and fittings to ensure a seamless "plug-and-play" experience for the field operators.


4. Quality Control & Packaging

As shown in the project photos, we implemented a multi-stage QC process:

Final Inspection: Each component was verified against API tolerances.

Protective Coating: All parts were treated with anti-rust oil before packing.

Reinforced Export Packaging: We utilized custom-built, heat-treated wooden crates with internal padding and heavy-duty steel strapping. This ensures that the precision-finished barrels and plungers arrive in South America in pristine condition, regardless of the maritime environment.


Pump Barrels


5. Results

This batch of pump components is now en route to South America. By choosing DS Rod Pump, the client secured a durable solution that promises to reduce well intervention frequency and enhance overall production stability. This shipment marks another milestone in our growing presence in the Latin American energy market.