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Modification Method of High-Efficiency Organic Bentonite for Drilling Fluids: A Review
Yi Pan1, Xinyue Zhang1, Chengcheng Ji2
1Department of Petroleum and Natural Gas Engineering College, Liaoning Petrochemical University, No. 1, West Section of Dandong Road, Wanghua District, Fushun 113001, China.
Molecules (Basel, Switzerland)
|December 9, 2023
Summary
Organically modified bentonites improve drilling fluid performance, reducing costs and environmental impact. This review covers modification methods and their effects for enhanced drilling operations.
Area of Science:
- Materials Science
- Petroleum Engineering
- Chemical Engineering
Background:
- Increasing petroleum demands necessitate advanced drilling fluid technologies.
- Conventional bentonites face performance limitations, leading to safety risks and financial losses.
- Organically modified bentonites offer solutions for reduced consumption, resource conservation, and environmental benefits.
Purpose of the Study:
- To provide a comprehensive overview of organic modification methods for bentonite in drilling fluids.
- To evaluate the characteristics and application impacts of modified bentonites.
- To explore the role of molecular simulation in understanding microconfined bentonite structures.
Main Methods:
- Review of intercalation, coupling, and grafting as primary organic modification techniques.
- Evaluation of bentonite properties and performance in drilling fluid applications.
- Analysis of molecular simulation studies on microconfined organically modified bentonite.
Main Results:
- Organically modified bentonites demonstrate enhanced performance in drilling fluid applications.
- Specific modification methods (intercalation, coupling, grafting) yield distinct characteristics.
- Molecular simulation provides insights into structure-property relationships under confinement.
Conclusions:
- Organic modification is crucial for optimizing bentonite performance in demanding drilling environments.
- Further development through microlearning can lead to superior organically modified bentonites.
- These advancements contribute to more efficient, cost-effective, and environmentally sound petroleum extraction.
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