Unlocking the potential of graphene oxide as an early strength enhancer for geopolymer well cement in extreme downhole environment

Geopolymer cement is being viewed as an environmentally sustainable substitute for Ordinary Portland Cement (OPC) in oilwell cement. The study examines the impact of varying graphene oxide (GO) concentrations on the mechanical properties of the geopolymer cement. The optimal sodium hydroxide molarit...

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Bibliographic Details
Published in:Cogent engineering Vol. 11; no. 1
Main Authors: Habarudin, Mohd Firdaus, Shafiq, Nasir, Zulkarnain, Nurul Nazmin, Md Yusof, Muhammad Aslam, A Razak, Ahmad Amirhilmi, Sazali, Yon Azwa, A Rahman, Siti Humairah, Riyanto, Latief, Abd Hamid, Afif Izwan
Format: Journal Article
Language:English
Published: Abingdon Cogent 31.12.2024
Taylor & Francis Ltd
Taylor & Francis Group
Subjects:
Caustic soda
CCUS
Cement
Civil engineering
Civil, Environmental and Geotechnical Engineering
Compressive strength
Concrete
Concrete & Cement
Construction industry
fluid loss
Fly ash
Geopolymers
Graphene
Marco Montemurro, Arts et Metiers ParisTech - Centre de Bordeaux-Talence, France
Mechanical properties
Portland cements
Response surface methodology
Rheology
Shear strength
Sodium
Sodium hydroxide
Structural Engineering
sustainability
Waste & Recycling
well cementing
ISSN:2331-1916, 2331-1916
Online Access:Get full text
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Summary:Geopolymer cement is being viewed as an environmentally sustainable substitute for Ordinary Portland Cement (OPC) in oilwell cement. The study examines the impact of varying graphene oxide (GO) concentrations on the mechanical properties of the geopolymer cement. The optimal sodium hydroxide molarity, alkaline activator ratio and GO's concentration were optimized using Response Surface Methodology based on Central Composite Design to obtain maximize compressive strength formulation. The results show that the highest concentration of GO or the highest molarity of sodium hydroxide can yield the highest strength. Besides, the GO concentration of 0.2% by weight of fly ash (bwof) demonstrate a non-settling and time-independent fluid behaviors at the average test temperature. The formulation results in a 22.9% lower filtrate volume compared to the reference design without GO. The study highlights GO as potential sustainable performance enhancer in geopolymer cement for elevated oilwell condition.
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ISSN:2331-1916
2331-1916
DOI:10.1080/23311916.2024.2380021