MÉTODO DE SELAGEM DE UM TUBO OU COLUNA DE TUBOS EXPANSÍVEL EM UM FURO DE POÇO

摘要

The present invention provides methods and compressible foamed sealing compositions for sealing expandable pipe in well bores. The compressible sealant compositions for sealing expandable pipe are basically comprised of a hydraulic cement, a rubber latex, a rubber latex stabilizer, a gas and a mixture of foaming and foam stabilizing surfactants.