Search Results - "Gomes da Silva Araújo, Romero"

Study of carbonation in a class G Portland cement matrix at supercritical and saturated environments by de Sena Costa, Bruno Leonardo, de Oliveira Freitas, Julio Cezar, Silva Santos, Paulo Henrique, Gomes da Silva Araújo, Romero, dos Santos Oliveira, Juan Fábio, de Araújo Melo, Dulce Maria

“…[Display omitted] •CO2 in a same pressure vessel in supercritical condition and dissolved in water.•Effects of supercritical CO2 and saturated CO2 in water in…”
Get full text

Lightweight oil well cement slurry modified with vermiculite and colloidal silicon by da Silva Araujo Filho, Romero Gomes, de Oliveira Freitas, Julio Cesar, de Freitas Melo, Marcus Antônio, Braga, Renata Martins

“…•Cements with vermiculite can be used in oil wells in zones with low pressures.•With vermiculite, cements with high water/cement factors can be…”
Get full text

Study of cement blend containing rice husk ash for oil well plug and abandonment operations by Gomes da Silva Araujo, Romero, Pereira Feitoza da Silva, Fabrício, Leonardo de Sena Costa, Bruno, Henrique Silva Santos Moreira, Paulo, Allyson Felipe Rodrigues, Marcos, Cezar de Oliveira Freitas, Julio

“…[Display omitted] •RHA blends showed competitive performance according to UK guidelines.•Unreported cristobalite silica with anti retrogression activity in…”
Get full text

Carbonation in oil well Portland cement: Influence of hydration time prior to contact with CO2 by Costa, Bruno Leonardo de Sena, Freitas, Julio Cezar de Oliveira, Santos, Paulo Henrique Silva, Melo, Dulce Maria de Araújo, Araujo, Romero Gomes da Silva, Oliveira, Yvis Henrique de

“…[Display omitted] •Different scenarios: CO2 naturally present in rock or artificially injected.•Exposure to CO2 and analysis of influence on the cement…”
Get full text

Silica content influence on cement compressive strength in wells subjected to steam injection by Costa, Bruno Leonardo de Sena, Souza, Gullyty Gomes de, Freitas, Julio Cezar de Oliveira, Araujo, Romero Gomes da Silva, Santos, Paulo Henrique Silva

“…High temperatures cause deleterious changes in hydrated products of Portland cement, compromising its physical properties, mainly, the compressive strength…”
Get full text

Carbonation in oil well Portland cement: Influence of hydration time prior to contact with C by Costa, Bruno Leonardo de Sena, Freitas, Julio Cezar de Oliveira, Santos, Paulo Henrique Silva, Melo, Dulce Maria de Araujo, Araujo, Romero Gomes da Silva, de Oliveira, Yvis Henrique

Get full text