Inventor(s)

Baker Hughes Company

Abstract

Rheo-Confocal Microscopy is a cutting-edge technique that integrates rheometer and confocal microscope. This simultaneous measurement technique helps to study the behavior of drilling fluids under dynamic conditions. It’s very important to understand the stability and behavior of drilling the fluid under shear or flow conditions while operation is going on. Rheology is one of the key parameters that dictate the quality of the drilling fluid. While rheological data provides us the information that how the quality of the fluid, it does not tell why rheological behavior is changing. Rheological behavior changes based on how emulsion is formed, and how the different particles, surfactants, and polymers interacting with each other. To understand emulsion better and the interaction between different components, it is imperative to add microscopic data while rheological testing is performed under shear. Simultaneous study of rheological properties of the drilling fluid and structural changes of drilling fluids during flow is crucial for optimizing drilling performance, mitigating challenges, and ensuring wellbore stability.

This paper explains the principles, instrumentational setup, techniques, and applications of Rheo-Confocal Microscopy technique from the perspective of drilling fluids characterization, emphasizing its significance for the drilling fluid industry.

Creative Commons License

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.

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