Process for the downhole upgrading of extra heavy crude oil
US5891829A · kind A · utility
65Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1997 |
| Grant date | Apr 6, 1999 |
| Priority date | — |
| Expiry date | Aug 12, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/24
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A down hole hydroconversion process improves the viscosity, API gravity, and distillate proportions of heavy crude oils by employing a hydrogen donor, methane and steam down hole wherein the mineral formation down hole acts as a catalyst for the hydroconversion process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.