Surveying a subterranean structure using electromagnetic measurements and microorganism content data
US8120362B2 · kind B2 · utility
11Cited by
6References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 5, 2008 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Dec 15, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A survey apparatus for surveying a subterranean structure includes an electromagnetic (EM) sensing element to measure an EM field received from the subterranean structure, and a sample collector activatable to collect a sample of soil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.