| 发明名称 |
ADDITIVE FOR WELL CEMENTING APPLICATIONS |
| 摘要 |
<p>An additive for Portland-cement slurries comprises an alkanolamine polyborate. When added in concert with a set retarder, the alkanolamine polyborate minimizes or prevents premature gelation during placement in a subterranean well. The additive is particularly useful for highly reactive cements, and may reduce the amount of set retarder required to achieve a given placement time.</p> |
| 申请公布号 |
WO2014088915(A1) |
申请公布日期 |
2014.06.12 |
| 申请号 |
WO2013US72453 |
申请日期 |
2013.11.29 |
| 申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER TECHNOLOGY B.V.;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER CANADA LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
PIOT, BERNARD;FINN, NARMINA |
| 分类号 |
E21B33/13 |
主分类号 |
E21B33/13 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
