Method and system for correcting a natural gamma-ray measurement performed in a wellbore
US10317568B2 · kind B2 · utility
2Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2016 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Jun 15, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V5/101
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The disclosure relates to a method for correcting a downhole natural gamma-ray measurement performed in a wellbore. A gamma-ray measurement including at least a gamma-ray count rate is obtained by a gamma-ray detector disposed in a bottom hole assembly having a mud channel inside of the assembly, such that mud flows downwards in the mud channel and upwards outside of the assembly and a neutron source situated above the gamma-ray detector and activating the mud. The method includes:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.