Method and apparatus for determining silicon content of the earth formations in cased well bores
US7554081B2 · kind B2 · utility
8Cited by
6References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2007 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | Apr 12, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V5/101
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Measurements made with a pulsed neutron source and three or more gamma ray detectors are used to estimate the silicon and oxygen content of earth formations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.