Variable density treatment fluids
US8202824B2 · kind B2 · utility
16Cited by
10References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2008 |
| Grant date | Jun 19, 2012 |
| Priority date | — |
| Expiry date | Mar 8, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides variable density fluid compositions and methods for using such compositions in a subterranean formation. One exemplary embodiment of the variable density fluid compositions of the present invention comprises a variable density fluid comprising: a base fluid, and a portion of variable pressure weighting material particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.