Cementing methods using compressible cement compositions
US7270183B2 · kind B2 · utility
6Cited by
107References
46Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 16, 2004 |
| Grant date | Sep 18, 2007 |
| Priority date | — |
| Expiry date | Jul 30, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/50
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of cementing at least two casing strings in a well bore, the method having steps as follows: filling the well bore and the inner diameters of the at least two casing strings with a cement composition, wherein at least a portion of the cement composition is a compressible cement composition; pumping the cement composition from the inner diameters of the at least two casing strings into the annulus, wherein the compressible portion of the cement composition is compressed by the pumping; and permitting the cement composition to set within the annulus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.