Patent · US Active

Controlled release solid scale inhibitors

US10081758B2 · kind B2 · utility

1Cited by
91References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 2015
Grant dateSep 25, 2018
Priority date—
Expiry dateDec 4, 2035

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B43/267
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Compositions and methods of preparation and use for controlled release scale inhibitors used in hydraulic fracturing operations in oil and gas wells. The controlled release scale inhibitors comprise modified polyphosphate glasses having predetermined dissolution rates for controlled release of chemical inhibitors in induced hydraulic fractures in hydraulic fracturing treatment of oil and/or gas wells.

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