Process and apparatus for improving flow properties of crude petroleum
US8888992B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2005 |
| Grant date | Nov 18, 2014 |
| Priority date | — |
| Expiry date | Jun 27, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for improving flow properties of crude may include processing a first crude stream, which may in turn include cracking the first crude stream with fresh catalyst to form a cracked stream and spent catalyst, and then mixed with an unprocessed second stream. The spent catalyst may be regenerated to form fresh catalyst, which may then be recycled. At least part of the cracked stream may be mixed with a second crude stream. A ratio of the second crude stream to the first crude stream may be between about 0.5:1 and about 9:1. A ratio of part of the cracked stream to add to the second crude stream may be selected to achieve a API gravity of at least about 18. The first crude stream may be heated and stripped before being cracked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.