Methods for predicting dynamic sag using viscometer/rheometer data
US9513203B2 · kind B2 · utility
5Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2012 |
| Grant date | Dec 6, 2016 |
| Priority date | — |
| Expiry date | Jul 23, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N11/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for quantitatively determining dynamic barite sag in drilling fluids includes measuring rheological properties with viscometers and/or rheometers, and introducing the parameters into an equation to obtain the sag rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.