Patent · US Active

Well treatment fluids containing an ylide or a vitamin B and methods of using the same

US9090814B2 · kind B2 · utility

4Cited by
10References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 2012
Grant dateJul 28, 2015
Priority date
Expiry dateJul 6, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2208/26
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Viscosifying polymers are effectively degraded during a well treatment operation with an ylide breaker or a vitamin B cofactor. The vitamin B cofactor is an ylide, vitamin B1, vitamin B2, vitamin B3, vitamin B6, vitamin B9 or vitamin B12 or mixtures thereof. Such breakers are effective at room and elevated temperatures and high pH environments.

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