Patent AT-E401490-T1: [Translated] SELF-ADAPTABLE CEMENT SYSTEMS

A composition for well cementing comprising water, cement and a blend of solid material wherein said material comprises a mixture of at least two additives selected from the list consisting of rubber, poly 2 2 1 bicyclo heptene (polynorbomene), alkylstyrene, crosslinked substituted vinyl acrylate copolymers and diatomaceous earth