发明名称 CEMENT COMPOSITIONS FOR WELLBORE CEMENTING OPERATION
摘要 Cement composition suitable for cementing a well, and method of preparing the cement composition is disclosed. The cement composition comprises cement, water and a seeding additive for forming seeding sites distributed generally homogeneously in the cement composition for promoting growth of fibrous Type I calcium silicate hydrate (C-S-H) binders throughout. The seeding additive may be solid-form fibrous material having charged surface, or may alternatively be liquid-form resin mixed with a suitable hardening agent.
申请公布号 US2016176757(A1) 申请公布日期 2016.06.23
申请号 US201514974337 申请日期 2015.12.18
申请人 Trican Well Service Ltd. 发明人 LUKE Karen;CHAN Kung Pok
分类号 C04B22/00;C04B7/02;C09K8/46;C04B24/30 主分类号 C04B22/00
代理机构 代理人
主权项 1. A method for promoting growth of fibrous calcium silicate hydrates (C-S-H) binders throughout a wellbore cementing composition comprising: combining cement, water and a seeding additive to form a seeded slurry, the seeding additive having a charged surface, and forming seeding sites distributed homogeneously in the seeded slurry for promoting growth of fibrous C-S-H binders therein.
地址 Calgary CA