Wellbore servicing compositions and methods of using same
US8685901B2 · kind B2 · utility
2Cited by
38References
25Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 30, 2007 |
| Grant date | Apr 1, 2014 |
| Priority date | — |
| Expiry date | Aug 14, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of servicing a wellbore in contact with a subterranean formation, comprising placing into a wellbore a composition comprising a calcium aluminate cement and a polyvalent cation-containing compound, and allowing the composition to set. A method of increasing the thickening time of a calcium aluminate cement comprising contacting the calcium aluminate cement with a polyvalent cation-containing compound. A method of adjusting the thickening time of a calcium aluminate cement comprising contacting the calcium aluminate cement with a polyvalent cation-containing compound and at least one other set modifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.