| 发明名称 |
HIGH DENSITY BRINES FOR USE IN WELLBORE FLUIDS |
| 摘要 |
A composition and method for use in drilling or completing a subterranean well comprising a solids~free, high-density brine composed of alkali metal polytungstate and blends thereof. These high-density brines are also useful as wellbore fluids and other non-oilfield fluids requiring high density properties. |
| 申请公布号 |
CA2602004(C) |
申请公布日期 |
2013.12.10 |
| 申请号 |
CA20052602004 |
申请日期 |
2005.12.14 |
| 申请人 |
M-I L.L.C. |
发明人 |
ZHANG, HUI;HORTON, ROBERT L.;PRASEK, BETHICIA B.;DIMATARIS, MARY, L.K. |
| 分类号 |
C09K8/06;E21B43/00 |
主分类号 |
C09K8/06 |
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