Patent · US Active

Lost circulation compositions and associated methods

US8741818B2 · kind B2 · utility

8Cited by
343References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 11, 2012
Grant dateJun 3, 2014
Priority date
Expiry dateApr 11, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/91
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An embodiment includes a method of servicing a well bore. The method may comprise introducing a lost circulation composition into a lost circulation zone, the lost circulation composition comprising hydraulic cement, nano-particles, amorphous silica, clay, and water. The method further may comprise allowing the lost circulation composition to set in the lost circulation zone. Another embodiment includes a lost circulation composition. The lost circulation may comprise hydraulic cement, nano-particles, amorphous silica, clay, and water.

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