MXPA05014120A - Portland cement resistant to corrosion useful for oil wells. - Google Patents
Portland cement resistant to corrosion useful for oil wells.Info
- Publication number
- MXPA05014120A MXPA05014120A MXPA05014120A MXPA05014120A MX PA05014120 A MXPA05014120 A MX PA05014120A MX PA05014120 A MXPA05014120 A MX PA05014120A MX PA05014120 A MXPA05014120 A MX PA05014120A
- Authority
- MX
- Mexico
- Prior art keywords
- useful
- cement
- portland cement
- oil wells
- corrosion
- Prior art date
Links
Abstract
The invention relates to a highly sulfate-resistant Portland cement useful for oil wells, which have a useful life of up to 20 years in normal service conditions and which contains 4 % molybdenum dioxide. The inventive cement is characterised in that it has a fineness of more than 3700 cm2/g. The invention is also characterised in that the cement has a minimum strength of 740 psi at 100 DEG F for 8 hours from the moment of setting and in that the cement has a minimum strength of 2000 psi at 140 DEG F after 8 hours from setting, without the addition of any additives, which enables the water reduction necessary in order to achieve a pre-determined slump. The purpose of the present invention is to protect chemical technology useful for manufacturing Portland cement, thus not only regarding quarry mechanical problems, materials, machinery projects, or energy or fuel savings.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MXPA05014120 MXPA05014120A (en) | 2005-12-21 | 2005-12-21 | Portland cement resistant to corrosion useful for oil wells. |
US12/084,710 US20090205539A1 (en) | 2005-11-30 | 2006-11-30 | Production method and cement compositions with rapidly acquire good strength and which are resistant to corrosion |
EP06824233A EP1955984A1 (en) | 2005-11-30 | 2006-11-30 | Production method and cement compositions which rapidly acquire good strength and which are resistant to corrosion |
PCT/MX2006/000139 WO2007064186A1 (en) | 2005-11-30 | 2006-11-30 | Production method and cement compositions which rapidly acquire good strength and which are resistant to corrosion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MXPA05014120 MXPA05014120A (en) | 2005-12-21 | 2005-12-21 | Portland cement resistant to corrosion useful for oil wells. |
Publications (1)
Publication Number | Publication Date |
---|---|
MXPA05014120A true MXPA05014120A (en) | 2007-06-20 |
Family
ID=40262812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MXPA05014120 MXPA05014120A (en) | 2005-11-30 | 2005-12-21 | Portland cement resistant to corrosion useful for oil wells. |
Country Status (1)
Country | Link |
---|---|
MX (1) | MXPA05014120A (en) |
-
2005
- 2005-12-21 MX MXPA05014120 patent/MXPA05014120A/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA | Abandonment or withdrawal |