Reservoir wellbore fluid
US10280355B2 · kind B2 · utility
0Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2013 |
| Grant date | May 7, 2019 |
| Priority date | — |
| Expiry date | Dec 7, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/085
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In one aspect, embodiments disclosed herein relate to an oil-based wellbore fluid. The oil-based wellbore fluid may include an oleaginous liquid and a surface-modified precipitated silica, wherein the surface-modified precipitated silica comprises a lipophilic coating. In another aspect, embodiments disclosed herein relate to a method of drilling or servicing a well. The method may include circulating a wellbore fluid, such as that described in the paragraph above, into a wellbore, and recovering at least a portion of the wellbore fluid from the wellbore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.