Downhole nonlinear acoustics measurements in rock formations using dynamic acoustic elasticity and time reversal
Abstract
Apparatus and methods for measurement of pore pressure in rock formations through an open, or cemented and/or cased, borehole are described. Such measurements are achieved using the Dynamic Acoustic Elasticity (DAE) method for characterizing nonlinear parameters by perturbing a selected rock formation volume with a High Amplitude, Low Frequency (HALF) acoustic strain wave, and probing this volume using a Low Amplitude, High Frequency (LAHF) acoustic wave. Time reversal techniques may be employed for focusing acoustic energy Into the formation in the vicinity of the pipe or open hole.
- Inventors:
- Issue Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Chevron USA, Inc., San Ramon, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1824056
- Patent Number(s):
- 11029435
- Application Number:
- 16/343,969
- Assignee:
- Triad National Security, LLC (Los Alamos, NM); Chevron U.S.A. Inc. (San Ramon, CA)
- Patent Classifications (CPCs):
-
E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- DOE Contract Number:
- AC52-06NA25396
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 10/24/2017
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Goodman, Harvey Edwin, Ulrich, II, Timothy James, Roberts, Peter, Remillieux, Marcel C., Johnson, Paul Bryan, Le Bas, Pierre-Yves, and Guyer, Robert A. Downhole nonlinear acoustics measurements in rock formations using dynamic acoustic elasticity and time reversal. United States: N. p., 2021.
Web.
Goodman, Harvey Edwin, Ulrich, II, Timothy James, Roberts, Peter, Remillieux, Marcel C., Johnson, Paul Bryan, Le Bas, Pierre-Yves, & Guyer, Robert A. Downhole nonlinear acoustics measurements in rock formations using dynamic acoustic elasticity and time reversal. United States.
Goodman, Harvey Edwin, Ulrich, II, Timothy James, Roberts, Peter, Remillieux, Marcel C., Johnson, Paul Bryan, Le Bas, Pierre-Yves, and Guyer, Robert A. Tue .
"Downhole nonlinear acoustics measurements in rock formations using dynamic acoustic elasticity and time reversal". United States. https://www.osti.gov/servlets/purl/1824056.
@article{osti_1824056,
title = {Downhole nonlinear acoustics measurements in rock formations using dynamic acoustic elasticity and time reversal},
author = {Goodman, Harvey Edwin and Ulrich, II, Timothy James and Roberts, Peter and Remillieux, Marcel C. and Johnson, Paul Bryan and Le Bas, Pierre-Yves and Guyer, Robert A.},
abstractNote = {Apparatus and methods for measurement of pore pressure in rock formations through an open, or cemented and/or cased, borehole are described. Such measurements are achieved using the Dynamic Acoustic Elasticity (DAE) method for characterizing nonlinear parameters by perturbing a selected rock formation volume with a High Amplitude, Low Frequency (HALF) acoustic strain wave, and probing this volume using a Low Amplitude, High Frequency (LAHF) acoustic wave. Time reversal techniques may be employed for focusing acoustic energy Into the formation in the vicinity of the pipe or open hole.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {6}
}
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