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Related Experiment Video

Updated: Jan 21, 2026

In Situ High Pressure Hydrogen Tribological Testing of Common Polymer Materials Used in the Hydrogen Delivery Infrastructure

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Published on: March 31, 2018

Tribology Performance of Surface Texturing Plunger.

Songbo Wei¹, Hongfei Shang², Chenglong Liao³

¹PetroChina Research Institute of Petroleum Exploration and Development, Beijing 100083, China. wsbthu@163.com.

Biomimetics (Basel, Switzerland)

|August 8, 2019

Summary

Surface texturing plungers with dimples reduce friction and wear in oil pumping units. This laser-based technology improves the tribology performance of stainless steel plungers, even with decreasing wellbore lubrication.

Keywords:

non-smooth surface plunger pumping unit surface texturing tribology performance

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Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

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Characterization of Surface Modifications by White Light Interferometry: Applications in Ion Sputtering, Laser Ablation, and Tribology Experiments

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Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

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Published on: March 27, 2019

Area of Science:

Tribology
Materials Science
Mechanical Engineering

Background:

Plunger pumps are crucial in global oil extraction.
Increasing water content in wellbores reduces fluid lubrication for plungers and barrels.
Stainless steel plungers with nickel-based coatings suffer from wear due to poor lubrication.

Purpose of the Study:

To investigate the impact of surface texturing on plunger and barrel tribology.
To assess the effectiveness of laser surface texturing in improving plunger performance under reduced lubrication.

Main Methods:

Laser surface texturing was used to create dimples on plunger surfaces.
Morphological analysis characterized the surface texture.
Tribology tests evaluated friction and wear using oil and water lubrication.

Main Results:

Surface texturing significantly reduced the coefficient of friction.
Wear resistance of the textured plungers showed improvement.
The dimpled surface enhanced tribological performance.

Conclusions:

Laser surface texturing is a viable method to improve plunger pump performance.
Textured surfaces mitigate issues caused by poor lubrication in wellbores.
This technology offers enhanced durability for plungers in demanding oilfield applications.