Patent · US Active

Methods for strengthening fractures in subterranean formations

US8371384B2 · kind B2 · utility

4Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 2010
Grant dateFeb 12, 2013
Priority date
Expiry dateFeb 26, 2031

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K8/68
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Of the many methods provided herein, one method comprises: providing at least one fracture in a subterranean formation that comprises tight gas, a shale, a clay, and/or a coal bed; providing a plasticity modification fluid that comprises an aqueous fluid and an alkaline embrittlement modification agent; placing the plasticity modification fluid into the fracture in the subterranean formation; and embrittling at least one fracture face of the fracture to form an embrittled fracture face.

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