Patent · US Expired

Encapsulated breaker for cross-linked acid gel, fracture acidizing fluid containing same and method of use thereof

US4770796A · kind A · utility

70Cited by
9References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 12, 1987
Grant dateSep 13, 1988
Priority date
Expiry dateJan 12, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S507/923
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Fracture acidizing fluids are provided containing an encapsulated breaker which releases breaker at a regulated rate over time.

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