申请日期 | 2025-06-27 | 申请号 | BRPI0718398 |
公开(公告)号 | BRPI0718398A2 | 公开(公告)日 | 2013-11-26 |
公开国别 | BR | 申请人省市代码 | 全国 |
申请人 | AKZO NOBEL NV | ||
简介 | Dry cement formulation for cementing holes in the earth, preferably oil-, gas- and/or natural heat of the earth holes, comprises (a) 20-99.9 wt.% of cement, (b) 0-65 wt.% of quartz powder and/or quartz dust, (c) 0.1-30 wt.% of dispersion powder redispersible in water and (d) 0-20 wt.% of further additives. |
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