Patent · US Expired

Process for delaying the formation and/or reducing the agglomeration tendency of hydrates

US4973775A · kind A · utility

48Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 30, 1988
Grant dateNov 27, 1990
Priority date
Expiry dateDec 30, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S585/95
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention concerns a process for delaying the formation and/or reducing the agglomeration tendency of hydrates in conditions under which a hydrate may be formed, these hydrates being formed from water and gas. The process according to the invention wherein, in particular, an additive comprising at least one compound from the group of hydroxycarbylamides of substituted carboxylic acids is used. Application of the process according to the invention to processes using gases and water, which form hydrates between them, in particular in the petroleum or gas industry.

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