Patent · US Active

Cement compositions comprising sub-micron alumina and associated methods

US8940670B2 · kind B2 · utility

10Cited by
329References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 2012
Grant dateJan 27, 2015
Priority date
Expiry dateMar 30, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/91
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Methods and compositions that comprise sub-micron alumina for accelerating setting of a cement composition. An embodiment includes a method of cementing in a subterranean formation. The method may comprise introducing a cement composition into the subterranean formation, wherein the cement composition comprises hydraulic cement, sub-micron alumina, and water. The method further may comprise allowing the cement composition to set in the subterranean formation. Another embodiment includes a cement composition that may comprise hydraulic cement, sub-micron alumina, and water.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.