Full waveform inversion seismic imaging
AssigneeSchlumberger Technology Corporation
InventorsXin CHENG, Denes VIGH, Bing BAI, Mohamed HEGAZY
Life of this patent
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Abstract
A method can include generating synthetic seismic data using a velocity model of a subsurface geologic environment; perturbing the velocity model of the subsurface geologic environment to generate a perturbed velocity model of the subsurface geologic environment; performing an iteration of a full-waveform inversion using the synthetic seismic data and the perturbed velocity model to generate seismic survey source and receiver illumination weights; and generating an image of the subsurface geologic environment using the seismic survey source and receiver illumination weights, where the seismic source and receiver illumination weights act to balance seismic illumination.
Claims20
A method comprising:
- generating synthetic seismic data using a velocity model of a subsurface geologic environment;
- perturbing the velocity model of the subsurface geologic environment to generate a perturbed velocity model of the subsurface geologic environment;
- performing an iteration of a full-waveform inversion using the synthetic seismic data and the perturbed velocity model to generate seismic survey source and receiver illumination weights;
- and
- generating an image of the subsurface geologic environment using the seismic survey source and receiver illumination weights, wherein the seismic source and receiver illumination weights act to balance seismic illumination.
A system comprising:
- a processor;
- memory operatively coupled to the processor;
- and
- processor-executable instructions stored in the memory to instruct the system to:
- generate synthetic seismic data using a velocity model of a subsurface geologic environment;
- perturb the velocity model of the subsurface geologic environment to generate a perturbed velocity model of the subsurface geologic environment;
- perform an iteration of a full-waveform inversion using the synthetic seismic data and the perturbed velocity model to generate seismic survey source and receiver illumination weights;
- and
- generate an image of the subsurface geologic environment using the seismic survey source and receiver illumination weights, wherein the seismic source and receiver illumination weights act to balance seismic illumination.
One or more computer-readable storage media comprising computer-executable instructions executable to instruct a computing system to:
- generate synthetic seismic data using a velocity model of a subsurface geologic environment;
- perturb the velocity model of the subsurface geologic environment to generate a perturbed velocity model of the subsurface geologic environment;
- perform an iteration of a full-waveform inversion using the synthetic seismic data and the perturbed velocity model to generate seismic survey source and receiver illumination weights;
- and
- generate an image of the subsurface geologic environment using the seismic survey source and receiver illumination weights, wherein the seismic source and receiver illumination weights act to balance seismic illumination.
Dependencies are inferred from the claim text.