Synthesis, Performance, Mechanism: A Hyperbranched Phase Reverse Nano-Demulsifier for Condensate Emulsion
Lei Liang1, Chao Su1,2, Yujia Xiong1,2
1CCDC Geological Exploration and Development Research Institute, Chengdu 610051, China.
Molecules (Basel, Switzerland)
|December 9, 2023
Summary
A novel nano-demulsifier, combining organic amine and nanosilica, effectively separates condensate emulsions, achieving over 95% dehydration. This innovation significantly boosts efficiency and reduces costs in gas well production.
Area of Science:
- Materials Science
- Chemical Engineering
- Petroleum Engineering
Background:
- Condensate emulsions pose challenges in oil-water separation.
- Traditional demulsifiers can be inefficient and costly.
- Optimizing demulsification is crucial for efficient gas well production.
Purpose of the Study:
- To develop and evaluate a novel nano-demulsifier for condensate emulsion treatment.
- To investigate the demulsification performance and mechanism of the new material.
- To assess the economic and operational benefits in gas gathering stations.
Main Methods:
- Synthesis of a nano-demulsifier by combining organic amine and nanosilica.
- Structural characterization of the hyperbranched nano-demulsifier.
- Evaluation of demulsification efficiency in condensate emulsions at various concentrations.
- Analysis of the demulsification mechanism.
Main Results:
- The nano-demulsifier achieved over 95% dehydration rate at a low concentration (1.0 wt.%).
- Demonstrated synergistic demulsification effects from organic amine polymers and nanomaterials.
- Significantly improved oil-water separation efficiency and condensate oil quality.
- Identified the demulsifier's mechanism as phase inversion.
Conclusions:
- The developed nano-demulsifier offers a highly efficient solution for condensate emulsion separation.
- Its application leads to substantial cost reduction and improved operational efficiency in gas production.
- The material shows great potential for widespread use in the oil and gas industry.
