1. Mechanical Coordination, Federal Institute of Education, Science and Technology of Alagoas, 57230-000 Coruripe, Alagoas, Brazil
2. Oil Well Cementing Technology Center, Institute of Chemistry, Federal University of Rio Grande do Norte, 59078-900 Natal, Rio Grande do Norte, Brazil
3. School of Science and Technology, Federal University of Rio Grande do Norte, 59078-900 Natal, Rio Grande do Norte, Brazil