Utilization of Drilling Wastes in Construction Materials
Summary
Drilling wastes, principally drill cuttings and spent drilling fluids, represent a significant by-product of oil and gas extraction. These materials often contain hydrocarbons, heavy metals and clay minerals, raising concerns over environmental contamination and disposal costs. Recent advances have focused on stabilising and upgrading these wastes for incorporation into construction materials, turning a hazardous liability into a resource. Approaches include chemical stabilisation with cementitious binders, low-temperature geopolymerisation to produce bricks and panels, high-temperature sintering for ceramic-like products, and partial substitution in conventional concrete as fine or coarse aggregate. These routes not only divert large volumes of waste from landfills but also reduce demand for virgin raw materials, lower carbon footprints and offer potential cost savings. Key challenges remain in ensuring leachate safety, achieving target mechanical performance and standardising treatment protocols for diverse waste compositions. Integration of real-time characterisation methods and the tailoring of binder systems continue to expand practical applications, from structural blocks to lightweight panels and even proppants for hydraulic fracturing.
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Utilization of Drilling Wastes in Construction Materials publication trend
The graph below shows the total number of articles in utilization of drilling wastes in construction materials across all publications each year (not limited to Nature Index journals).
Technical terms
Drill cuttings: Rock fragments and fines generated by the drilling bit during borehole advancement, often mixed with drilling fluid and containing hydrocarbons and clay minerals.
Geopolymerisation: An alkali-activation process that converts aluminosilicate-rich waste into a hardened binder through networked Si–O–Al bonds under relatively low temperatures.
Sintering: A high-temperature consolidation method whereby powdered materials fuse into a dense solid without full melting, producing ceramic-like properties.
Proppants: Small, heat- and pressure-resistant particles injected into hydraulic fractures to keep them open and maintain conductivity in reservoir rocks.
Stabilisation/solidification: A treatment combining mechanical and chemical processes, often using cementitious binders, to encapsulate contaminants and improve mechanical integrity of waste materials.
References
- Towards enhancing sustainable reuse of pre-treated drill cuttings for construction purposes by near-infrared analysis: A review. Journal of Civil Engineering and Construction Technology (2018).
- Stabilization/solidification of synthetic Nigerian drill cuttings. African Journal of Environmental Science and Technology (2010).
- Valorization of oil‐based drilling cuttings as a substitute for bauxite in fracturing proppants application. Energy Science & Engineering (2024).
- Fabrication of Low-Temperature Sintering Building Bricks Using Drilling Cutting and Geopolymeric Technology. Materials (2021).
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