System and method for investigating sub-surface features of a rock formation with acoustic sources generating conical broadcast signals
Patent
·
OSTI ID:1210680
A method of interrogating a formation includes generating a conical acoustic signal, at a first frequency--a second conical acoustic signal at a second frequency each in the between approximately 500 Hz and 500 kHz such that the signals intersect in a desired intersection volume outside the borehole. The method further includes receiving, a difference signal returning to the borehole resulting from a non-linear mixing of the signals in a mixing zone within the intersection volume.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC52-06NA25396
- Assignee:
- Los Alamos National Security, LLC (Los Alamos, NM)
- Patent Number(s):
- 9,110,178
- Application Number:
- 13/292,935
- OSTI ID:
- 1210680
- Resource Relation:
- Patent File Date: 2011 Nov 09
- Country of Publication:
- United States
- Language:
- English
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