ZEMENTIERENDE ZUSAMMENSETZUNG UND DEREN ANWENDUNG ZUR ZEMENTIERUNG VON ÖLBOHRLÖCHERN ODER ÄHNLICHEM

摘要

Cementing compositions which are particularly suitable for squeeze cementing operations, comprise an aqueous phase, and a micro-cement, the aqueous phase including an aqueous suspension comprising a vinyl acetate type polymer obtained by chemically cross-linking a polyvinyl compound, a nanolatex and an anionic surfactant with a cloud point of more than 80° C.