Patent · US Expired

Subterranean fluids and methods of using these fluids in subterranean formations

US7147056B2 · kind B2 · utility

5Cited by
31References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 12, 2003
Grant dateDec 12, 2006
Priority date
Expiry dateApr 26, 2024

Classification

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

Abstract

The present invention provides subterranean fluids comprising a hydraulic cement in an invert emulsion, and methods of using such fluids in subterranean well cementing operations. The fluids comprise a hydraulic cement and an invert emulsion of oil, water, and a surfactant. Optionally, other ingredients may be included in the fluids.

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