Wellbore servicing materials and methods of making and using same
US9399729B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2013 |
| Grant date | Jul 26, 2016 |
| Priority date | — |
| Expiry date | May 29, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of servicing a wellbore in a subterranean formation comprising placing a wellbore servicing fluid in the wellbore and/or subterranean formation, wherein the wellbore servicing fluid comprises a viscosifying polymeric material, a breaking agent comprising an inorganic peroxide of a divalent metal M(II) characterized by the general formula MO2, and a break rate controlling additive comprising a M(II) soluble salt, a M(II) precipitating salt, a M(II) surface precipitating salt, a M(II) solution precipitating salt, or combinations thereof, allowing the wellbore servicing fluid to break, and flowing back to the surface at least a portion of the broken wellbore servicing fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.