masterThesis
Avaliação de aditivos químicos alternativos para aplicação em cimentações de poços de petróleo HPHT
Fecha
2016-10-04Registro en:
DANTAS, Tancredo. Avaliação de aditivos químicos alternativos para aplicação em cimentações de poços de petróleo HPHT. 2016. 57f. Dissertação (Mestrado em Ciência e Engenharia de Petróleo) - Centro de Ciências Exatas e da Terra, Universidade Federal do Rio Grande do Norte, Natal, 2016.
Autor
Dantas, Tancredo
Resumen
The civil construction industry employs a wide diversity of admixtures developed to
use in concrete and mortars, but that exhibits excellent performance for oilwell slurries. Some
properties meet analogous functions, for example, antifoam, dispersants or friction reducers,
fluid loss control agent and set retarders. This study was developed with the objective to
evaluate and specify alternative chemical products to be used as admixtures for the
formulation of cement slurries for application in onshore oil wells, characterized by
temperatures of 180°F (82°C), mature wells and wells subjected to steam injection. During
the study, chemical products were selected according its functions. These additives were
specified according to PETROBRAS internal standards and the tests were realized according
to API RP 10B standards. Some additives presented great potential for application in cement
slurries for high temperatures, including antifoams, fluid loss control agents, dispersants and
setting retarders.