1. Federal Institute of Education; Science and Technology of Paraiba; Avenida Tranquilino Coelho Lemos, 671, CEP: 58432-300, Campina Grande PB Brazil
2. Petrobras - Petróleo Brasileiro S.A.; Av. Henrique Valadares, 28, Centro, CEP: 20231-030, Rio De Janeiro RJ Brazil
3. Federal University of Campina Grande; Av. Aprigio Veloso, 882, CEP: 58429-972, Campina Grande PB Brazil