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Reinforcing matrial effects on hardened cement paste microstructures
Cements designed for use in multilateral wells, or in wells where hydraulic fracture is to be performed, are usually subjected to high dynamic loads and high temperature variations. These stresses may cause loss of wellbore zonal isolation if the cement sheath cannot withstand them. Selection of the correct type of cementitious materials, or additives, to reinforce the seal and mechanical properties is very important in order to obtain 'a strong' cement that will support mechanical stresses that occur throughout the well productive life. In this study, mechanical properties and microstructure of reinforced hardened cement pastes containing fibers, latex, and/or resins are evaluated at different curing temperatures and pressure. The effects of adding reinforcing additives as part of the cement pastes in the change of the morphology and microstructure of hydrates formed, as well as the resulting mechanical properties of the cement pastes are discussed.
Reinforcing matrial effects on hardened cement paste microstructures
Cements designed for use in multilateral wells, or in wells where hydraulic fracture is to be performed, are usually subjected to high dynamic loads and high temperature variations. These stresses may cause loss of wellbore zonal isolation if the cement sheath cannot withstand them. Selection of the correct type of cementitious materials, or additives, to reinforce the seal and mechanical properties is very important in order to obtain 'a strong' cement that will support mechanical stresses that occur throughout the well productive life. In this study, mechanical properties and microstructure of reinforced hardened cement pastes containing fibers, latex, and/or resins are evaluated at different curing temperatures and pressure. The effects of adding reinforcing additives as part of the cement pastes in the change of the morphology and microstructure of hydrates formed, as well as the resulting mechanical properties of the cement pastes are discussed.
Reinforcing matrial effects on hardened cement paste microstructures
Einflüsse der Armierungsmaterialien auf die Mikrostruktur in erhärteter Zementpaste
Blanco, A. (author) / Trujillo, M. (author) / Cadenas, C. (author)
2002
12 Seiten, 7 Bilder, 2 Tabellen, 12 Quellen
Conference paper
English
Reinforcing Material Effects on Hardened Cement Paste Microstructures
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