Determination of expandable clay minerals at well sites
US4495292A · kind A · utility
6Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1982 |
| Grant date | Jan 22, 1985 |
| Priority date | — |
| Expiry date | Sep 16, 2002 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/006
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A dye adsorption procedure for determining clay type and amount in subterranean formation. The procedure can be carried out at a well-site, providing rapid, accurate information for treatment of the well penetrating the formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.