Automatic cement mixing and density simulator and control system and equipment for oil well cementing
US5571281A · kind A · utility
78Cited by
20References
18Claims
0Family size
Inventor
Key dates
| Filing date | Feb 9, 1996 |
| Grant date | Nov 5, 1996 |
| Priority date | — |
| Expiry date | Feb 9, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F35/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cement mixing and slurry density control system utilizes an improved eductor mixer for particular use in a cementing process for an oil or gas well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.