Nonlinear Acoustic Methods for the Detection and Monitoring of CO2/Brine Leakage Pathways in Wellbore Systems Email Page
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Performer: LANL - Los Alamos National Laboratory
Figure 1: Reciprocal time reversal (TR) in a solid.<br/>(a) A signal is emitted from the input source, scatters<br/>around the sample, and is recorded using a laser<br/>Doppler vibrometer that records out-of-plane<br/>displacement. The signal is then time-reversed, and<br/>as shown in (b), is emitted from the original source<br/>transducer. The signal then focuses at the laser<br/>detector. This process, known as reciprocal TR, offers<br/>tremendous power for imaging. In a borehole, the<br/>laser will be replaced by a downhole accelerometer.
Figure 1: Reciprocal time reversal (TR) in a solid.
(a) A signal is emitted from the input source, scatters
around the sample, and is recorded using a laser
Doppler vibrometer that records out-of-plane
displacement. The signal is then time-reversed, and
as shown in (b), is emitted from the original source
transducer. The signal then focuses at the laser
detector. This process, known as reciprocal TR, offers
tremendous power for imaging. In a borehole, the
laser will be replaced by a downhole accelerometer.
Website: Los Alamos National Laboratory
Award Number: FWP-FE-634-15-FY15
Project Duration: 10/01/2015 – 09/30/2018
Total Award Value: $1,253,866
DOE Share: $986,866
Performer Share: $267,000
Technology Area: Geologic Storage
Key Technology:
Location: Los Alamos, New Mexico

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