Study of Chemical Sand Consolidation Transition from Polymers to Nanoparticles
DOI:
https://doi.org/10.52171/herald.393Keywords:
chemical sand consolidation, polymer resins, nanoparticles, permeability retention, uniaxial compressive strength, wellbore stabilityAbstract
The article presents a study on chemical sand consolidation to address sand production issues in hydrocarbon extraction. The study aims to transform sand grains in formations with low geomechanical stability into a strong yet permeable matrix, thereby protecting equipment from erosion and maintaining well productivity. Both conventional polymer resins (epoxy, furan, phenol-formaldehyde) and nanoparticle-based systems were used in the study, and their mechanical strength, permeability loss, and thermal durability (up to 195°C) were comparatively evaluated. Results indicate that nanoparticles preserve reservoir connectivity and limit permeability loss to approximately 11.8%, whereas polymer resins provide high uniaxial compressive strength but reduce permeability by about 52.5%. The study also analyzes the applicability of these methods under various reservoir conditions, including deepwater and mature fields.
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