Identifying hydrocarbon production zones
US11131187B2 · kind B2 · utility
1Cited by
7References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 9, 2018 |
| Grant date | Sep 28, 2021 |
| Priority date | — |
| Expiry date | Jun 19, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01K2213/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A core sample with carbonate veins is obtained from a well formed in the hydrocarbon reservoir. Formation water samples are obtained from the well. Mineralogy of carbonate in the carbonate veins is analyzed. An oxygen isotope ratio between oxygen isotopes in the formation water and an oxygen isotope ratio between oxygen isotopes in the carbonates are determined. A formation paleo-temperature value is determined based on the determined oxygen isotope ratio using a model that relates the formation paleo-temperature value and the oxygen isotope ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.