Hydration of oil well cement containing sugarcane biomass waste as a function of curing temperature and pressure

• Autor(a) principal: Martinelli, Antonio Eduardo
• Data de Publicação: 2013
• Outros Autores: Anjos, Marcos Alyssandro Soares dos, Melo, Dulce Maria de Araújo, Renovato, Tiago, Souza, Pablo Daniel Pereira, Freitas, Júlio Cézar de Oliveira
• Tipo de documento: Artigo
• Idioma: eng
• Título da fonte: Repositório Institucional da UFRN
• Texto Completo: https://repositorio.ufrn.br/handle/123456789/33403
• topic: Hydration; Oil well cement; Sugarcane biomass waste; Retrogression; Thermogravimetry; X-ray diffraction

The present study evaluates hydration of oil well cement containing sugarcane biomass waste. Thus slurries were cured at low temperature (22 1C) and ambient pressure for 28 days. Additional curing at high temperature (280 1C) and high pressure (17.2 MPa) for 3 days was evaluated. Slurries containing 10–40% by weight of cement were evaluated by thermogravimetry, X-ray diffraction, compressive strength and permeability. The results revealed that sugarcane biomass waste reacts with calcium hydroxide present in cement slurries. Slurries containing 20% of the residue and cured at 22 1C for 28 days depicted the reduction of 49.9% of the calcium hydroxide content. The addition of 40% SBW and curing at 22 1C for 28 days and 280 1C/17.2 MPa for 3 days yielded the transformation of common C–S–H into silica-rich C–S–H. Sugarcane biomass waste can replace the silica flour as an additive for oil well cement, resulting in improved compressive strength and permeability of the slurries